Marantz tube preamp. Description The new self-powered Model 7 stereo preamplifier features a high order of versatility together with remarkable ease of operation. Thirdly the choice of tubes (ECC83) is certianly not the best. Replace #47 Pilot Lamp Bulb. Apr 17, 2024 · I had a real Marantz model 7 when I was a teenager - lost it in a stupid trade in adulthood. Based on the line stage of the venerable Marantz 7 from the mid '60s. Originally released in the late 1950s, the 7C is often hailed as one of the greatest tube preamps ever made. I decided to buy one of these kit preamps from Aliexpress. 5dB (MM), 22. Largely completed by Sidney Smith, it was a very successful tube design using EL34s in “ultra-linear” (push-pull) config The Model 2 power amplifier, the first of Sidney Smith’s designs. Aug 31, 2025 · Born in the golden age of Hi-Fi, this vacuum tube preamplifier didn't just reproduce music; it presented it with a soulfulness and authority that has captivated audiophiles for over six decades. on some of the phono stage clones they use a tube rectifier to get closer to the sound of the original selenium rectifier. Secondly their EQ is active and driven by poorly designed cathode followers. The main circuit of Marantz 7, which is introduced in late 50 years, is shown in picture 4 Jan 6, 2023 · 12AX7+12AU7 Classic China Amplifier "Marantz 7" style circuit? Recently a friend donated me some NOS 6189W tubes they are basically 12AU7 mil-type. Selenium rectifiers replaced with modern diodes. The Scott 121 series actually predates quite a few other options available to the collector. Exquisite, perfectly pure power for connecting sources and driving loudspeakers. Thanks for your help. First off I understand that this isn’t a ‘clone’ of a Marantz 7, it’s a simple line-level preamplifier that is supposedly ‘inspired’ by it Jul 8, 2019 · Hello, I am about to acquire Marantz model 10 tube amp (NOT 10B) and Marantz 7 tube preamp. I detected all the HT tensions. Specs : Type: Pre-Amp / Processor Brand: Music Angel Input Power: 110V - 240V AVAILABLE Input voltage: 100 mV - 2000 mV Frequency Respo Sep 15, 2019 · Also, if marantz would sound like just any other SS receiver, would it help if I add a tube preamp? I am looking at - Fosi Audio P1 Tube Mini Hi-Fi Stereo Buffer Preamp 6J1. There's not a bad piece in the bunch if you're into vintage. Largely engineered by Saul Marantz, the Model 7 offered dual phono inputs, two tuner inputs, and in a stroke of prescience, a “TV” input. This Marantz 8B hailing from the late 1960's has received one of the most detailed and thorough restorations you'll ever find. Dec 12, 2010 · I recently got hold of a Marantz 7 Diy tube preamp kit available online with some additional aesthetic improvement made by the previous owner. I have always followed the practice of "tube preamp: first on/last off". I have seen one opened up for service, before, though I've never heard one in operation, Apr 13, 2020 · Hello all! I’m thinking of pulling the trigger on one of these and I was wondering what people think in general as well as having a specific question. Brook Fairchild Fisher Dynaco Marantz JBL 1960s EL34 push full Scott Fisher Mcintosh Marantz Tube Preamplifier Equalizer Record Compensator McIntosh C8 Fisher 80C Get the best deals on marantz 7 preamp when you shop the largest online selection at eBay. Use Hifi Shark to monitor pricing and global availability I am planning to build my first tube phono preamp, so I made a rigorous search for available schematics and decided to move on with an easy-to-build clone of the well-known Marantz 7 model. Oct 3, 2021 · MARANTZ model 1 AUDIO CONSOLETTE tube preamps connected in stereo to Marantz 8B power amp. wood case has cosmetic wear scuffing and scratches…I purchased this piece from the estate of an audiophile. Inrush Current Limiter. These beautiful sounding and extremely versatile preamps are just what's Nov 29, 2007 · Has anyone tried one of the Marantz 7 kits? Complete Tube Preamplifier Kit, ref Marantz 7 /LS-7BC There are many kits available online? Which ones are really good, without considering a budget? I have heard the originals and loved them, are any of the kits as good. Replace Broken Fuse Holder with NOS Holder 1. If this is a reference to the 3S4 discussion elsewhere -- that tube, and the preamp design employing them, is as 'murrican as chop suey (i. 1% Gain: 64. This listing is for NEW Made Hifi M7 Tube Pre-amplifier 6X5 +12AX7 preamplifier base on Marantz 7 circuitPoint to Point Soldering Handmade in NZNice nature details soundsAssembled HIFI Electronic Components:ALPS RK16 100K PotentiometerWIMA MKP10 0. The amp is very rare because they made only 100 of them and Dec 18, 2006 · A lot come up down below in the Ebay stores section. General:The Model 7 is an extremely desirable and collectible vintage tube preamp, and the flagship in the vintage Marantz lineup. B Rgds, Raj. This one is from DIYBox store but Dec 2, 2016 · The Model 7 was a breakthrough in preamplifier design at its introduction in 1958. com. The front panel featured an array of four knobs on each side flanking four Explore high-quality vintage Marantz preamps like the Model 7 and 3200 Stereo Console. I would like to have a pre-amp that sounds like a Marantz 7 (tube version). Aug 21, 2009 · I've been thinking about a scratchbuild tube project - I have plenty of tubes and iron around from scrapping several organs. The phono section seemed a tad noisy so I have replaced a couple of plate Mar 25, 2020 · In their time, they were both wonderful, don't know how they'd stack up to modern tube preamps today. This short video shows you how PP1 high performance RIAA vacuum tube moving magnet preamplifier module This circuit is based on the famous Marantz 7C vacuum tube audiophile preamp's phono section. Hear Perfection. The Model 7 tube preamp had pretty good ratings but the amp was a dud. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. 1uF CapacitorRIFA PHE426 0. May 27, 2025 · Hi, I have a Marantz 7c tube preamp for sales in very good conditionI brought it few years ago and it have been sitting on my rack since as part of my collection, reason for sales I am downsize and I will have more to come for sales in next few weeksSerious Buyer please, lowballer will be ignored Sep 19, 2023 · Hi, I mapped the schematic of this preamp with my resistor values. Unit powers on but is otherwise untested. Stock tubes sounded awful. 6 days ago · Find many great new & used options and get the best deals for Marantz 7 Vacuum Tube Preamp at the best online prices at eBay! Free shipping for many products! Nov 14, 2012 · Above: a Marantz 7 stereo phono stage built for stand-alone use. This is not your average phono preamp circuit. Find great deals on eBay for Marantz 7 Preamplifier. e. I wanted a simple easy circuit to plug them into. I'm currently using it with a marantz 3800 preamp and 510 power amp and it sounds incredible. The Asian version using the popular 12AX7 connected in parallel, the online information shows that JP200 is simply the parallel connected version of JP80, the basic structure is the same, I have seen the JP200 internal The Marantz Model 1 Preamplifier: The first product of the newly formed Marantz Company (1954) n 1956. Jul 28, 2025 · Marantz Model 7C 7 Vacuum Tube PreAmplifier Pre Amplifier PreAmp w/ Wood Case RESTORED!! Serial Number 7-21702 Working condition: The Marantz 7 preamp has been tested thoroughly and all of its functions and features are fully operational. It has several EQ curves for the pre-RIAA phono records, and NAB for tape heads. The circuit design of this preamp is a (Chinese) clone of the famous Marantz 7 tube preamp. Nov 1, 2021 · I was originally considering to use one of the clones to the Marantz M7/Shigeru Wada circuit design which exist (I know those are two different things but they often get used interchangeably). I would like to replace them all with good new Kiwame ones. It has three high level inputs (no Phono) and two Outputs. Upgrade your audio experience today with the Marantz 7 Tube Preamplifier. The heart of the Marantz 7 lies in its tube-based design, utilizing vacuum tubes for amplification and tone control. I have swapped out both rectifiers following Crooner's program and rebuilt the power supply with Hayseed Hamfest caps and Takman metal film resistors. Find more , and products. The Model 7 is a testament to Marantz's enduring legacy in the high-fidelity Sep 9, 2025 · 1 Marantz 7 Tube preamplifier Note: T his list is not include the main power input cable. The European version uses EF86 as triode connection to create a balanced amplifier, so each side uses six EF86s. They don't don't use the same tubes for instance? Nov 15, 2021 · The Marantz 7 preamp is a full function preamp with phono as well as tape head input. I REISONG Boyuu Q6 Tube 12AX7 Pre-amplifier Marantz 7 M7 circuit Preamp 100% original factory and brand new the Upgraded version is the Stabilized voltage version （ it is the Electronic tube voltage stabilization） 1. On the extreme left there is a power knob, next the 2 VU meters and then on right the volume knob and source selector knob. Order online or purchase in-store at Melbourne Hi Fi. And right out of the box, with the cheap Chinese tubes it came with, it sounds so much better than it has any right to. The major difference with this build is that I included a 2nd set of (passive) inputs and a volume pot. Restored in-house and sounding beautiful. Specifications Frequency response: 20Hz to 20kHz Total harmonic distortion: 0. Do you have a vintage Marantz hifi tube amp that needs repair or modifications? Here you will find our collection of Marantz tube amplifier schematics. A gentleman who frequented the hi-fi store where I worked had an extra preamp and was kind enough to sell it to me for a very reasonable price. No extensive testing beyond that. Accepts four line level stereo Apr 13, 2022 · You mean like the "Marantz 7" preamp clone? Or is it the "copy of the Wada Shigeru (Japan) modification of the Marantz 7"? @SIY 's RoT pretty much hits the nail on the head (or the nailer's thumb, I suppose -- as the case may be). The 7T featured the same incredible build quality as the other earlier tubed Marantz equipment, but incorporated space age transistors. Vacuum tube high voltage voltage stabilization. 2 Discover classic Marantz vintage amplifiers like the WC-10 Wood Cabinet and PM-432A Stereo Integrated Amplifier. May 24, 2019 · My question is in regards to the tubes. Extensive development and reliable product support go into each one I produce. 39 -16% Mar 15, 2022 · I recently acquired this preamp from Nobsound/Douk Audio. The circuit is the same as the vintage oem but uses modern audiophile quality boards and components. Dedicated signal processing module, the signal is short, high fidelity, less interference 3. We have a physical shop located in Auckland Airport Oaks/ Mangere area, you are welcome to come & pick up. Shop with confidence. Marantz Model 7 Vintage Tube Preamp Full Review This preamplifier is an icon in the audiophile world, known for its warm, rich sound and classic design. It had two 12ax7s and two 12au7s from PSVANE. Very contemporaneous and comparable to the McIntosh C-8 or the Fisher-80C or of course, the now priceless Marantz Model 1. I know the Marantz 7 is still regarded as a benchmark preamp, but commands a collector's price. Marantz Model 7 tube preamp. I am in the process of overhauling a Marantz tube preamp. Mar 2, 2017 · Does anyone have experience or opinions on the Marantz 7 clones available cheaply on the net, kit or otherwise? Is there such a thing as a great, newly built, tube preamp, with or without phono stage on board? Jan 23, 2025 · After several revised, The imitation Marantz 7 tube amplifier successful launch, the sound quality is with a good surprise! not harsh and delicate treble, alto warm alcohol, soft bass without owe efforts have unexpected results! Dec 29, 2005 · How well would some of the better receivers from the 1970s work as a front end to a power amplifier? I'm thinking of Yamaha, Marantz, Sansui or Kenwood receivers with the preamp out, main in jacks. Sep 12, 2011 · Above, the RCA RIAA phono preamp as published in several of their “Receiving Tube Manuals. Feb 16, 2022 · Further information: Up for sale is a Musical Angel Pre amp based on Marantz 7. The tuners in most of these receivers are very good, how about the rest of the preamp parts? The Marantz Audio Consolette Model 1 is an AC operated 3 tube mono audio preamplifier. I also elected to build my own preamp rather than spend top dollar for a box of "classic" used parts. pdf) or read online for free. Aug 12, 2025 · Based on Marantz M7 pre-amplifier circuit. Manual schematic. Jan 22, 2024 · This is a Marantz 7 Tube Preamplifier Clone, made in Hong Kong, NOT a vintage OEM Marantz 7. Apart from boosting the signal quality and strength, the gooeyness of analog tubes creates a world of difference to your listening experience. I highly recommend it! Searching for affordable Marantz tube amplifiers has never been easier thanks to your friends here at Vintage Tube Amp Outlet! Not only will you find plenty of great vintage vacuum tube preamps and power amps to choose from but you'll also give your wallet a well-deserved break thanks to the incredibly low prices you'll discover here. 00 shipping Sponsored Jan 2, 2025 · Adding a tube preamp to your setup is the fastest way to add color, warmth, and richness to your sound. See Marantz. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Apr 21, 2008 · Classic Marantz gear was already "hot" among collectors and tube enthusiasts 30 years ago! So much, that Marantz/Superscope reissued the 7, 8B and 9 in kit form. Explore high-quality vintage Marantz preamps like the Model 7 and 3200 Stereo Console. Use Hifi Shark to monitor pricing and global availability From the burgeoning days of HiFi -- this was one of HH Scott's earliest hifi centric preamp products. What sets the Marantz 7 apart from other preamplifiers of its time is its unique circuitry, which was meticulously designed to produce a warm and organic sound. Dec 13, 2016 · I have used a budgie phono tube preamp on a 2270 with the 2m blue cart and much prefer it to the internal. 6P6P (6V6) Tube power supply adjustment The Marantz 7 Tube Preamplifier is the ultimate choice for audiophiles seeking the best sound quality available. As well as that tube serving both channel within a single tube. B. Mar 20, 2025 · Used Preamp Marantz for sale on 400+ second hand hifi sites & shops. Jul 16, 2025 · Based on Marantz M7 pre-amplifier circuit. A member of the Holy Grail Collection, this preamp from Marantz is highly collectable and rare. Thousands of HIFI audiophiles had been attracted and quested by its mellow sound, sweet nature low frequency, endless sweet and sour tube taste Shop online and in-store for Pre-Amplifiers at Melbourne Hi Fi. Even better this particular Model 7 was restored in-house here for long term reliability and performance. Vintage Marantz Model 7 Tube Preamp in Working and clean condition ALL ORIGINAL This Marantz 7 Tube Preamp is in excellent working condition pulled from a private stash. From The Absolute Sound by Robert Harley "TAS Legacy: Marantz Model 7 Preamplifier: "The Model 7 was a breakthrough in preamplifier design at its introduction in 1958. 17 years before the VAC 1996 versions! The 1979 Model 7K (as it was called) is even closer to the original in appearance. Sounded great powering a pair of B&W bookshelf speakers using Aux inputs. Oct 20, 1998 · Marantz 7 preamps command such high prices compared to other tube preamps of their era. You'll find new or used products in marantz 7 preamp on eBay. Why are there 4 tubes compared to 3? Is one for gain; do more tubes mean, well more tunbiness? The orig marantz has 6 tubes, 3 for phono and 3 for line stage. Recently tested with my Marantz Model 8 amp (listed separately). I think I'll leave the Dales. It beats my recently sold Margules Magenta FZ47DB phono preamp, which only does MM, and is over $800 (and has received nothing but positive reviews). Shop now on eBay! This Marantz 7 came to us with a full complement of Telefunken ECC83 tubes. Upgrade your audio on eBay! Reviews: From The Absolute Sound by Robert Harley "TAS Legacy: Marantz Model 7 Preamplifier: "The Model 7 was a breakthrough in preamplifier design at its introduction in 1958. Model 8 and 8B Stereo. Not to be confused with the similar looking and less desirable solid state version. There are a couple of cosmetic imperfections but nothing that bothers the output. Note: This is a DIY Kit, you need to solder assemble it yourself. Apart from the 6 tube, 3 line 3 phono design I have no way to confirm this for sure. See this detailed video review from ourYouTube Channel for the full breakdown on this unique piece of vintage audio history: Fully serviced and tested including: 1. In this guide, we’ll look at the best tube preamps to buy for […] Jun 18, 2012 · Very Early Marantz 7 Tube Preamp Discussion in ' Audio Hardware ' started by crooner, Jun 18, 2012. Jan 11, 2009 · While it may look vintage and original the Model 7 from Marantz, like the Quad II Reissue, is a newly manufactured throwback designed to give audiophiles a taste of the golden age if they were Mar 31, 2020 · Using a Marantz 2270 with Klipsch KG4. 8K Used Marantz Preamp for sale on 400+ second hand hifi sites & shops. Use Hifi Shark to monitor pricing and global availability Jun 5, 2009 · The Marantz 7T was released with much fanfare in 1966 as the successor to the famed tube-type Model 7 preamplifier (often erroneously called the 7C), to which it was cosmetically very similar. May 5, 2011 · Marantz 7 Preamplifier Circuit Published:2011/5/5 22:09:00 Author:Robert | Keyword: Marantz 7, Preamplifier | From:SeekIC In electron tube prestage the Marantz 7's position is paramount, and it is believed that the electron tube enthusiasts, who have never heared the name of Matantz 7,may be very few. Low serial number. Shipping available Australia-wide. 5dB (line Get the best deals on marantz tube when you shop the largest online selection at eBay. Largely engineered by Saul Marantz, the Model 7 offered dual phono Get the best deals on Marantz 7 In Vintage Preamps & Tube Preamps when you shop the largest online selection at eBay. ” I have built this RCA circuit before; while excellent-sounding, it does require an additional stage of amplification (I used a cathode follower circuit) to lower the output impedance of the device if you want to be sure it will ‘play Mar 1, 2021 · I am hoping that I can get some direction on what tubes you guys are using in your Marantz 7(C) preamps. I bought it to roll some better tube into it, but have decided to not go that route. Amplifiers are the beating heart of a Hi-Fi. 93 US $15. Buy Beautiful sound AS-M7 HIFI Stereo Tube preamplifier Base on Marantz 7 Preamp original circuit at Aliexpress for . No expense was spared in both tim Reference Marantz 7 Circuit PRT07B Tube Preamplifier / Vacuum Tube Phono Amplifier Tube Preamp PCB US $12. Posting some internal Dec 1, 2023 · And just days ago, I received a Klimo LAR clone tube phono preamp (MM/MC). I don't know anything about the clone though. Hooked it up to my Marantz 250 driving my Altec Barcelonas and instantly fell in love. To me it is unmatched in musicality and Used Marantz 7 Control amplifiers for sale on 400+ second hand hifi sites & shops. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Here you will find contemporary reviews, schematic circuit diagrams and manuals of the Marantz 7C and 7T Stereo Console Preamplifiers. The primary is two sets of 110v, the series connection is 220V, and the parallel connection is 110V. Buy Hifi Classic Marantz 7 Circuit Tube Preamplifier Preamp Board / Kit /Pcb 12AX7 / 12AU7 Tube at Aliexpress for . 4 Input signal switching 2. Isn't it about time you owned the best? Simple The Tube Preamp is most suitable for listening to voice and string music! The oil immersed marantz M7 Tube Preamp, the high-voltage anode power supply is still provided by the high-voltage oil immersed capacitor as the filter, and the input and output coupling capacitors also use the oil immersed capacitor. All of these PDF files are available for free download. Free shipping on selected items. Enhance your audio experience. Fully restored by a well known audio engineer here in Los Angeles. In the mid to late 90's Marantz sourced re-issues of the 7, 8B and 9 to VAC in Florida. . 1 × Tube preamp kit (including tube). Oct 10, 2020 · The Marantz 7C and McIntosh C22 are in my opinion totally over rated preamplifiers. It was very metallic and the bass was really weak. Discover great deals and new offers of marantz 7 tube preamp! May 15, 2025 · Find many great new & used options and get the best deals for Full aluminum HIFI tube preamp chassis for Marantz 7 /Hetian Mao's preamp box at the best online prices at eBay! Free shipping for many products! Discover Marantz Amplifiers. The phono/tape head section is based on three 12AX7 tubes. The Marantz 7 is the epitome of vintage Hi-Fi cool, a preamplifier that’s not just a piece of audio history but also a reference for tube sound that audiophiles still drool over. Flat rate shipping to the contiguous 48, otherwise shipping at seller's expense. About this listing Tube All Line Preamp Based On The Classic Marantz 7 Circuit Super Bargain! Looking for a simple, affordable all tube preamp with component switching and volume control to play CDs, tape or FM? Here it is! Tube rectification and three 12AX7As get the job done very nicely. Some vintage receivers allow you to separate the internal preamp and amp sections on the rear of the unit, allowing you to connect an external preamp or amplifier. It's clean inside and out. ADC-18 speakers. Tube preamps are known to add richness and liveliness. Has variable Bass/Treble Controls and separate Bass/Treble Phono Equalizers. Many, those made in carbon, have quite different values from each other. The seller listed it as a Marantz 7 clone. I have to look at the schematic again but wouldn't the cathode follower be "first" in the preamp circuit? If MEMORY serves me the line stage tubes are Cathode follower, tone circuit amp and then the preamp tube. I'm sure the one depicted in the above schematic is going to sound pretty good, properly applied as a preamp. With its stunning sound, versatile design, and unparalleled performance, it’s the Marantz 7 Tube Preamplifier that stands out from the crowd. See this link for an earlier build of this same circuit, along with an explanation of exactly wtf a phono preamp is (for my 7 or 8 non-technical readers). I replaced the star grounding with a ground buss and they all became much quieter Dec 1, 2005 · So I'll say their best tube preamp was a 7 for stereo and a 1 for mono [] Tube amps, you have Model 2, Model 5 and Model 9 mono's. 00 inc. I built a few single ended tube guitar amps for my son and all had a bit of hum. Dec 9, 2013 · I know this one is on sale as so called 'Marantz 7' Modified Class A Valve Tube Pre-Amplifier but according to claims from people who are more familiar with that old Marantz stuff the circuit is different. Get the best deals for Marantz Tube Preamplifier at eBay. Jul 9, 2017 · I am starting making a M7 preamp, this circuit comes from a experience DIYer of Singapore. Construction, of course, is of the usual Marantz quality. The Chinese made tubes (at least the generic ones) tend to be less than terrific, but that falls under "complete cr@p parts" methinks. The preamp was a Marantz 7C. Thomas & Stereo 83. I've looked at a schematic for the Marantz preamp, and it appears to me to be a well-implemented, but fairly conventional, design. 4 Channel Home theatre Preamplifier/Processor $ 14,999. early units, he stayed to become chief engineer. Marantz 7 Schematic – Free download as PDF File. The Marantz 7 seems to be a very well-regarded preamp, and from the schematics I've seen, the circuit doesn't seem to be too complicated. This is to allow the user to connect both a phonograph and a 2nd line China-hifi-Audio online store Reisong Q6 Pre-amplifier Marantz 7 circuit M7 Tube 12AX7 Preamp BoyuuRange - Reisong Q6 Pre-amplifier Marantz 7 circuit M7 Tube 12AX7 Preamp BoyuuRange Brand New Declaration Features of BOYUURANGE Q6 M7 Circuit upgraded version : A. Leading brands include AVM Audio, Ayon Audio, Cambridge Audio, Hegel, Marantz, Pro-Ject, Rotel, VTL and many more. GST Sep 28, 2021 · The Marantz Model 7 Stereo Preamplifier which came to market in late 1958 would garner the distinction of being one of the most legendary components in the history of home audio. Aug 6, 2016 · I have been a fan of the Model 7 preamplifier for almost thirty years now. Aug 22, 2020 · I'm not asking for opinions on Chi Fi in general. 60 – $ 206. Sep 7, 2016 · I have been very happy with my super early all original Marantz 7C preamp, the one with green painted chassis. Sep 10, 2015 · Hi Guys! Those who have technical knowledge or understanding of Schematics and design, can you please have a look at the this Marantz 7 Valve pre-amplifier board clone design if it is ANY GOOD for buying it and changing parts or the design in itself is no good enough or conflicting in itself May 30, 2023 · Pictures, and or a schematic? When you say passive preamp, do you mean just a volume control, or passive tone controls also? One thing I've switched to with my preamp and amp builds is to use a ground buss instead of star grounding. Jul 13, 2008 · After selling them, I would pocket a couple grand, and then buy some cheaper tube gear that can be altered without repercussion, such as a nice Scott, Dyno, Eico, etc amp and/or preamp. Enclosure is black painted metal with a sculptured wood face. Looking super sharp in its champagne finish and sporting all the original knobs and switches. The Model 8 (A) is also know as the stereo model that combines two Model 5 in one chassis. The filaments run at 12. Unexcelled performance may be expected of both stereo and monophonic programs. Marantz is putting out some amazing products in 2020 with their SR series receivers. Pilot light works. IWISTAO Tube Pre-amplifier PCBA Board Audio Marantz 7 Preamp M7 With Tubes 12AX7 12AU7 HIFI DIY Model No: WHFT-PA007 Marantz 7 tube pre-amplifier is a legend classics unit. Any suggestions? Should I look Dec 9, 2013 · You're confusing the Marantz Model 7 tube amplifier with the Model 7 tube preamp. 6Vdc May 15, 2025 · Refer Marantz 7 Preamplifier HiFi 12AX7 Tube Remote Preamp Audio With Display $203. International shipping quotes are available upon request. Used Marantz Preamplifier for sale on 400+ second hand hifi sites & shops. 2K subscribers 1. Jul 27, 2015 · I ordered a brand new Marantz 3600 preamp, but it was backordered. Find more 44, 200333149 and 100000306 products. , very 'murrican). I researched different 7 style schematics and am trying to pin down if its a known Jun 9, 2024 · I got my Marantz 2245 in 70's and always loved its warm (tube like sound) about 12 years ago i started trying other SS brands Pioneer, Sansui, Yamaha, Concept but i always liked the warm sound Marantz receivers more, I got a tube phono pre amp and liked how it sounded and finaly decided it was time to get a tube amp and picked up a Marantz 8B and was hooked the first time i listened to it. Oct 1, 2018 · No, each tube has a different function. So, I ended up replacing the 12au7s Shop eBay for great deals on marantz 7 preamp. It has two amplification stages and a cathode follower output stage. Shop now on eBay! Can a FAKE be just as good? Marantz 7-inspired circuit, Reisong Q6 tube preamp. Jun 12, 2020 · Looking for some assistance in confirming the identity of this piece I just acquired. FLAC and MP3 files played through BlackPlayer. Free shipping on many items | Browse your favorite brands | affordable prices. It was one of the first american vacuum tube Hi-Fi products that appreciated dramatically at the beginning of the 1980's as demand from the far east, specially Japan, often outstripped the supply. Find the complete schematic diagram for the Marantz Model 7 tube preamplifier, a classic piece of audio equipment for audiophiles. Apr 30, 2012 · Marantz 7 tube preamplifier 1958 If money was not the issue and could afford the premium preamplifier in the late 50's, the Marantz 7 was in a class all its own. Firstly their RIAA sections are both AC coupled from 1st to 2nd tubes. We tested them on our modern and professional Amplitrex AT1000 tester, and they all tested strong all with near 100% NOS Spec on gM. On that MingDa thread I see that the guy had issues with noise and gain, which were never the issues on Music Angel. It is based on the Marantz 7 line stage with the Shigeru Wada circuit mod. Do you think there's any truth to the following: The pre-amplifier improved based on famous Wada Shigeho's Style Electric circuit,which was Introduced by Wada Shigeho SUQIYA-PRT07B-12AX7 Tube Preamplifier Hi-Fi Amplifier Preamp Tube Pre Amplificador Reference Marantz 7 Circuit $ 129. However, it makes for a nice easy little project, since I've got lots of 12AU7s and a few AX7s handy. No technical support available. Use Hifi Shark to monitor pricing and global availability The marantz tube preamp is designed for use with a wide range of preamp applications. Power supply section is a voltage doubler rectifier system with silicon diode. 00 + $80. General: Extremely desirable and collectible vintage tube preamp and the flagship in the Marantz lineup. In 1958. Get the best deals on marantz preamp when you shop the largest online selection at eBay. Purchasing Klipsch Forte iii very soon What are the benefits of a tube preamp? Jul 27, 2025 · Question about tube 'ringing' in a Marantz 7C. 00 This is the venerable Marantz 8B, from the 1960's (about mid-60's), and a fierce competitor to the vintage McIntosh MC240 and Harman Kardon Citation amplifiers. JADIS’s flagship preamp JP200 has European and Asian versions. selling As Is We look at the best tube phono preamps (aka tube preamps) to use with your turntable for better sound. Oct 25, 2012 · Model 8 (A) vacuum tube stereo power-amplifier. Complete Gold Level restoration: Ultrasonic cleaning. This preamp is reference the famous Marantz 7 Circuit, The human voice is natural and delicate, the strings are smooth, stretched, and the positioning and imaging are excellent. Any suggestions? Tub rolling is fun but it can get rather expensive. Vacuum Tube Rectifier (6Z4 rectifier tube ). Get the best deals for Marantz Tube Amplifier at eBay. Produced in the 1950s, it's highly sought after by audiophiles for its unique sound and historical significance. 5 Amp Fuse – Fast Blow. Feb 15, 2020 · The Marantz model 7 is a beautiful piece of HiFi history, and commands a very high price. Many thanks! 24 replies on Marantz 7 Phono Pre Passive Line Preamp And RCA did not really intend this to BE a stnd alone device rather, they intended that you would build this into an amplifier where the circuit could directly feed the input grid of a preamp tube. 39u CapacitorCanare L-2E5AT Audio Signal Cabl Jan 30, 2025 · Marantz Model 7C Preamplifier. Purchased in the early 1960s and only one owner. I think most of them just use the "Marantz 7" name in their title and say dumb things like "based on the famous Marantz 7 tube preamp" I doubt they follow the circuit too closely from the little I looked at them. The Asian version using the popular 12AX7 connected in parallel, the online information shows that JP200 is simply the parallel connected version of JP80, the basic structure is the same, I have seen the JP200 internal Oct 24, 2009 · In using this tube preamp, I have been warned to let it warm up and stabalize before I turn on the power amp (ss). It cost me about $340 including shipping. Marantz AV10 Reference 15. It is not origenal version of Marantz 7, it is a mod version This Feb 15, 2025 · I understand that these things are widely reviled by knowledgeable hobbyists, and of course no actual Marantz tube preamp schematic I can find has any gain stages that bear any more resemblance than being of the plate-follower type. Its all original. If this is any indication of what products like the MODEL 30 and SACD 30n are going to be like then Marantz should have a spectacular year full of products for us. Together with the Model 8B, was the only vacuum tube Type 1 power supply power amplifier produced by Marantz. kwa hctra uaspyus gqtorca ynfx rti dtl amsk loaw zdtx