Marantz 7 phono stage Most interesting. The Chinese now are knocking off that phono stage circuit, so if you want the Marantz 7 sound and don't have 4k to drop on the 7, you can still get it with that chinese clone. Most of the amps were not too impressive. The three stages to the right are additional make-up gain that follow the overall balance and volume controls. They were OEM to Marantz. The only exception would be the Cayin AT series which sounded pretty good and were very well built. For $350 it's hard to beat. Problem is, cannot find info on the guts of the Marantz's phono stage. I'm wondering if I could squeeze more out of this set up without a lot of outlay, and am curious if an external phono stage would be worth getting. Not Jun 29, 2012 · Phono Stage: Phasemation EA-1200, Accuphase C-37, Marantz 7 clone tape head preamp. It has two amplification stages and a cathode follower output stage. This board can guarantee the optimum performance of the audiophile grade phono amplifier. Nov 14, 2012 · Stereo phono preamps are fairly time-consuming to build, and small differences in layout can have dramatic effect on the overall performance. Save a few bucks for a phono stage. Apr 13, 2022 · I would. (7 days):) Its suppose to be a marantz 7 updated version. I find that the phono stage of the Marantz, although it is good, has in my opinion an accentuation of treble that I estimate between 8 and 10 kHz which makes the music Jun 2, 2017 · You can see the tube types of phono EQ circuit for each preamplifier, Marantz Model 7, McIntosh C22, MX-110, and Audio Research PS-6C, consists of exactly the same tube, the 12AX7 (ECC83) for V1 & V2, but the Model 7 and C22 use a 12AX7 for V3 as the cathode follower. Most are just the line stage circuit or the phono circuit. The Marantz-designed electric volume control and Musical Phono EQ preamp stage ensure the most immersive musical experience and minimize noise levels. Aug 30 Oct 1, 2018 · It is not politics it is a matter of principle and trust. But, after about 2 hours of playing, the left channel started distorting - on both phono inputs with different tables. Apr 26, 2020 · I'm having a tough time determining what would be an ideal minimum input voltage into the phono stage of the Marantz 7 preamp. You’d probably have to spend a few hundred dollars to find a standalone phono amp that offered any noticeable improvement. Dec 2, 2016 · The Model 7 was a breakthrough in preamplifier design at its introduction in 1958. Initial wiring. The person who made it have carefully selected the parts for their tonal quality. 5dB). See this link for an earlier build of this same circuit, along with an explanation of exactly wtf a. Feb 15, 2020 · My desire is to build a scaled down version of the Marantz model 7 using the layout posted by Chris Ruggiero at Preservation Sound but want to include the real model 7's stepped tone controls and output level trim pots minus the high and low filters. I'm wondering whether this would be a nicer phono stage than my Douk Tube Phonobox (EAR 834P clone). I have heard from others that modern cartridges don't produce enough voltage (<5mV typically) to sound great with the phono stage of this preamp. Sep 28, 2021 · The Model 7 was endowed with a unique three-stage phono circuit design incorporating six ECC83/12AX7 valves that became known as the “Marantz circuit. The underside of the unit following mechanical assembly. Aug 21, 2009 · Ive seen a few kits that look decent. I rarely see any of these pieces go up for sale. Searching on eBay I have found this interesting project of phono preamplifier kits by JLWtools so I will start to test this before design a my circuit also to get a first reference. Jul 27, 2008 · That said I also found the phono stage was by far the worst aspect of the preamp, and in fact that is why I eventually sold it. Mar 26, 2019 · Item: Sheer Audio MM-88 Marantz 7 based phono stage Location: North Brisbane - Local sale (in person) only Price: $300 Item Condition: As new Reason for selling: No longer required - I've moved to solid state phono stages Payment Method: Pickup - Cash Extra Info: I've sourced a number of differen Pre phono 1 - Marantz 7 May 13 st, 2008 INTRODUCTION. May 29, 2022 · This is the schematic of the phono stage in your Marantz PM7000N, differential pairs of J-fet in front of a "normal" OpAmp stage, yielding better SNR (87 dB VS 74 dB usual value for Denon): View attachment 273586 Your phono stage has just the OpAmps, so slightly higher noise levels than above Marantz one Specs also tell that story. Has anyone heard both a Marantz 7 circuit and an EAR 834P circuit (excluding little bear designs) Certainly a nice looking unit. 120Hz motorboating only on phono stage AND only when turntable is powered off, but preamp and amp still on. It is based on the Marantz 7 line stage with the Shigeru Wada circuit mod. The 7T featured the same incredible build quality as the other earlier tubed Marantz equipment, but incorporated space age transistors. Check out the Mo-Fi Studio phono and read the reviews. Stratos Kampourogiannis. Really very obvious deficiencies (rolled off highs, lack of detail, lack of low bass, reduced dynamics) compared to pretty much any decent modern phono stage. A few people still have tuners, tape decks, and what-have-you, but those are pretty much non-issues in 2023. That series included MA-24 (class A/B) or MA-22 (class A) mono block amps, SC-22 line stage, and PH-22 phono stage. Mar 14, 2009 · On my bench system at home, I use a Marantz 2270. The Pre-2 replaces the Pre-1, a long-standing success for Audio Space. The PSU board can be used in all tube based pre-amplifier, in particular the RIAA phono board ( with reference to Marantz 7 phono stage) we have on another listing. Jan 1, 2021 · Sann isn't the Marantz 7 just a pre amp (line stage) rather than the 834P which is purely a phono stage designed to boast LP output to the correct level to then go into a Pre Amp. The phono section makes use of three 12AX7 tubes, with equalization applied through negative feedback from the cathode follower output stage to the cathode of the input stage. Nov 27, 2015 7,580 7,916 54,070. The new self-powered Model 7 stereo preamplifier features a high order of versatility together with remarkable ease of operation. was fine, so that narrowed it down to the phono board. I added a K&K Lundhall based step-up transformer to raise the voltage a bit, so to have the volume control range in a more comfortable level. G. A second board could be added and use ax7 in the second position as a Hegeman tribute phono preamp with the 12ax7 cascade feedback pair with gain set to ~100 driving passive lumped RIAA eq (per Citation I and Citation IV) An anode follower au7 can be good for a low gain line stage as alternative to CF. I can think of only two ways to do it - either they're using all three in the phono stage and the line stage is passive, or else they're using two in the phono, having eliminated the cathode follower output buffers, and are using a single triode/channel for a line stage May 7, 2006 · Right now the Marantz 7 is the only preamp I have, so that's the main answer. So I have the Whest plugged into one of the line stage inputs on the Marantz and have been spinning some vinyl tonight. Dec 13, 2016 · yes the 2245 phono stage is very good , i got a rega fono phono pre ($400) that i use with my marantz's because its easier to change tables through that and and aux switch then getting to the back of my receivers. DESIGN LS37. 270. Noise was -80dB with a 10mV phono input. I don't know why anyone would necessarily want a Marantz 7 clone, although I can understand why someone might want an original Marantz 7, with its design heritage (Sid Smith, Saul Marantz). Man is this a nice sounding pre. • Marantz Hyper Dynamic Amplifier Modules (HDAM) in preamp stage • Dual mono power amplifier configuration • Separate power supplies for preamplifier and control processor, and for each power amp channel • Discrete phono stage for moving coil and moving magnet cartridges in its own shielded case. Jan 26, 2018 · Go ahead and get the 8005 and save the $200 toward a separate phono stage with adjustable impedance and capacitance. 5dB. The heart of Marantz 7 M7 line amp is a two common cathode stage with negative feedback followed by a cathode follower. Jun 30, 2012 · And, to hear the Marantz 7 phono stage at it's best, you can hot rod it's phono stage too thereby truely bypassing all of it's controls. This unit has two 2SA1039 and four 2SC2390 on the phono stage. Makes these cartridge adjustments more precise than the fixed points of the Marantz phono stage. As usual the documentation from the seller is very thin. Another cart to consider would be the AT VM540, VM740 carts. Jul 13, 2017 · Apparently they use single triod tubes rather than dual triode (like 12AX7) for greater separation. Ribbed plates in line stage and smooth plates in phono. The only thing that is disconcerting is that there is no way to know which input is it on. ” Each channel utilized three 12AX7, and the phono section had a 10mV input, with gain of 64. Apr 4, 2013 · One man’s opinion, I think the best tube phono preamps, by far, were the McIntosh C8 and the Marantz 7. Are they both good substitutes? Thank you. Most with good to very good components, most with regulated power supplies and dc filaments as well. 46. Nov 13, 2024 · the MP-200 is a nice step up from the 110. I have a Marantz 1050. The major difference with this build is that I included a 2nd set of (passive) inputs and a volume pot. But lots of people around here swear by the Budgie and the Lounge. Looking incredible both inside and out, which is surprising for close to 54 years young. pdf. The design is simple with few components, but both the tone control and filter circuit deteriorates the sound details a lot also so many switch contacts inserted further down grade the sound quality , clone results from different DIYers varies. 1% Sep 17, 2024 · The PM5005 features a power amplifier section that’s based on Marantz’s current feedback technology. 7 KB · Views: 304 Oct 10, 2020 · His phono sections could be described as refined versions of Marantz 7 but its much improvement been done from him to fine tune the whole pre including complete different line sections (he didn't use ECC83 for outputs). Likewise line stage design has 3 tubes - one is a cathode follower. It has several EQ curves for the pre-RIAA phono records, and NAB for tape heads. The person have clearly voiced the amp. very close in sound to the original Marantz 7 phono stage. The Doukmall version requires a tad more effort, since the PCB can not be removed without complete disassembly of the chassis. 2 KB · Views: 255 MArantz 7 PCB layout. Gray Well-known member. Copy the designs of those phono stages, use modern low-noise high-precision passives and a robust modern power supply and you can’t go wrong for a RIAA phono preamp. I will be ordering the SV-EQ1616D Phone Amp in a week or two. I'm running 6. Looking over the part's (which are good) I am going to Lexus this Pre-Amp. Sep 10, 2015 · I would think a purist approach to the Marantz 7 would be to keep the original Phono stage, regulated B+, and Heaters, and redesign the line stage from scratch, either with a Mu-Follower, or Common Cathode gain stage w/cathode follower, using a low mu tube, and negative feedback, w/ no tone controls. 5dB (the line stage applied 22. adrianywu; Oct 7, 2024; Reel To Reel Tape Deck and Content Forum; Replies 9 Jan 26, 2021 · The sound is excellent. I'm using a Glassware Audio PS-3 power supply with an Antek AS-05T240 transformer (the 220v tap). removed. Dec 9, 2013 · Hi Just recieved this preamp: Latest 6Z4 6N4 x3 Maratz 7 Tube Preamplifier Board | eBay Cheap and free delivery. However, my listening tests tell me that putting the Whest (or the Sutherland) in through the Marantz line stage sounds pretty damn awesome, certainly much better than using the regular Marantz 7 phono stage. 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. Astonishingly low hiss and hum. Mar 27, 2023 · 13 / 5. Fully assembled kit for the phono stage and power supply is purchased from the classixaudio The power supply module quality is top notch, it is micro controller based, switches on the heater 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. Apr 15, 2023 · Both the turntable and phono stage are grounded to the amp and it is not there for other sources and as I say it is a white noise hiss, definitely not a buzz or hum. 1 speakers. I mailed Victor Kung (vkmusic) and ordered the SV-EQ1616D ($840 shipped). Oct 10, 2020 · The phono stage was loaded by 200k net, and the line stage was loaded by a (feedback tuned) 62k. When I ran a Decca cartridge, I hot rodded one of my 7cs straight into my power amp or amps and used an external Noble stepped volume control with input and output jacks and nothing else. Nov 7, 2019 · For instance, you can buy direct from China (Aliexpress) a phono board (and an actual finished preamp) said to be 'inspired by' the Marantz 7. The original Marantz 7 was a full function preamplifier, and in that era no preamp was complete without a high gain stage for boosting the signal from magnetic phono cartridges. It was very metallic and the bass was really weak. . png. The front-panel layout was created by Mr. A couple had both combined. No data,just the voltage needed. Either should sound considerably better than the phono stage in the JVC. Marantz Musical Premium Phono EQ Designed to deliver optimal sound quality by simplifying the signal path, the Marantz Musical Premium Phono EQ stage in the PM-12SE amplifier can be used with both moving magnet and low-output moving coil cartridges. Jan 24, 2018 · It's not possible to reduce the tube count of a Marantz 7 down to three without eliminating large chunks of the circuit. 2019-01-21 2:32 am #26 2019-01-21 2:32 am #26 ejp said: That's just Feb 6, 2021 · Sunvalley gear is a division of the Toyota Corporation Japan. All had the extra inputs, filters, tape loops, tone controls, ect. Now, some of Kevin Hayes' own designs ARE better (the Phi being the primary example), but it's not like night-and-day better BTW: I'm planning to build a stripped-down 7 design no tone controls, no filters just the gain stages and buffer stages. I use a Technics CD player and a Technics Sl-d2 hooked into a Darlington labs mm3 phono stage. I'm not sure if the TT-1000 turntable was part of the line or not. After finishing it and plugging it in, the right channel works fine but I'm not getting any sound from the left. 5dB (22. Sep 3, 2011 · The PH-22 belonged to the Marantz premium "Music Link" model series from the early 90's. Oct 10, 2020 · Is it so strange that in a topic about the Marantz 7, and you writing about easily replacing two triodes by a pentode like the EF86, and about the Marantz 7 being cheap consumer gear, that I assume you were writing about the phono stage in the Marantz 7, or phono stages in general? Nov 7, 2011 · My good friend, who sucked me into tube audio a while back, came over today and we got the scratch build power supply and Marantz 7 phono stage up and running. rayma. It has 125 wpc and sounds excellent with cds. Aug 14, 2018 · I am using a Marantz 7 based phono stage which is made in Korea. No Chinese parts were used in the Korean Phono. In 1958. 8 mv) Benz Micro Glider with superb results. ” Phono gain was 64. 2 CH 8K AV Receiver)” Or maybe nr1711 has decent stereo section and phono stage? Thanks, Reply. If someone is going to rip off the Marantz 7 name when the circuit board is just a simple tube line stage or cathode follower, as were most of the preamps back in 1960s then the company that is marketing the board doesn't really know what makes the 7 the iconic piece that it is. The SUT's cannot match the transparency, low end extension and speed of the current sensing step up. 3v heaters with Russian 6N2P tubes. Aug 12, 2024 · The pieces that were surprisingly good were all clones, The Marantz 7 line stage preamp clone, The Marantz 7 phono stage clone, The EAR phonobox clone and maybe one other. (In the interest of full disclosure, I own one. Jul 27, 2008 · If you do comparisons directly like that, as I did (I made dozens of CD-Rs comparing and took them with me everywhere), with one of them being a good modern phono stage - I ended up going with a Whest PS . Dec 7, 2008 · The Marantz phono stage is a good one and should be all you need for most moving magnet cartridges. 4 kB, 1113x871 - viewed Aug 8, 2021 · See attached photos of the Marantz 7 phono stage clone. Total harmonic distortion: 0. The poster who made a declarative statement about how a Hitachi owned by someone else had a superior phono stage than the Marantz your considering didn't bother to say why he thought so. It's nice that you can trust someone who has already demonstrated that they are unethical and fine with stealing. jpg (326. Dec 2, 2016 · The phonostage was particularly innovative in its three-stage circuit, which was soon dubbed “the Marantz circuit. No such issue when using the Marantz 7 phono with the WAVAC EC300B as it is only a power amp of course. FM, etc. A smoking buy for around 400 bucks. The phono stage is probably Aug 21, 2009 · The reissue 7 was one of the quietest, most linear preamps I've ever heard. Has yours been refurbished lately? My wife's 7 sounded very spitty when we first got it. Apr 1, 2021 · I think that the phono stage on the PM7000N is rather good (particularly considering the cost of the amp and what other facilities it offers). , Cambridge 540P/640P or even the integrated phono stage of the much loved Onkyo A-9555). 5dB line). So, I looked anew at the parts list of the service manual for the Marantz Model 7, and I found out that different types of resistors were specified for each cathode resistor for the first stage tube and the second stage tube of preamp (phono EQ V1-A&B, V2-A&B), and also for the tone amp (for the high level input, V4-A&B, V5-A&B). Thakker of Germany usually has the best deals on Ortofon styli. Shipped on 2/1 and delivered 2/4. Oct 22, 2020 · And don't forget the phono stage in the Marantz 7, its quite good. Oct 11, 2024 · Some preamps have a built in phono stage, some don't, you have to look at each one to see what you get, and most built in stages do not offer much adjustment, most don't offer any at all. I like the two phono inputs. Perhaps look for an EAR clone or a Marantz 7 phono clone. This kit is based on the original schematic of the Marantz 7, a real classic in audio history. Like its predecessor, the Pre-2 is Peter Lau's refined implementation of the Wada Shigeho preamp circuit of the 60s. • High-quality construction with Jul 27, 2008 · That is because doing this means I get a double dollop of tube preamp for the Ongaku when using it with the Marantz phono stage so judicious balancing acts between the two volume pots is required for optimum results. Moderator. Modern DACs, streamers, and phono stages have outputs high enough to drive just about any power amp into clipping. IIRC, it is a board. May 4, 2022 · I currently use a current sensing MC step up feeding the phono input on a Marantz 7 tube pre. Feb 8, 2022 · eBay Marantz 7 phono stage. It needed recapping with a vengeance. Aug 22, 2020 · If you like the Marantz 7 sound, check out the Marantz 7 phono stage clone from chi-fi on ebay with the tube rectifier. jpg. Mar 13, 2009 · On the other hand, the consensus seems to break down a bit when addressing the relative quality of phono stage in the higher end Japanese late 70's behomoths when compared to modern mid-fi phono stages (e. Note that C stands for cabinet and there were plenty of 7s sold without. have one of those as well. For the picture of this RIAA board and this PSU board please scroll down to the last picture. It had two 12ax7s and two 12au7s from PSVANE. If you connect the box to the Marantz then that has to be into any of the line in and not the phono stage. Gorgeous champagne gold faceplate and aluminum knobs will make this preamp the centerpiece of your vintage system. Largely engineered by Saul Marantz, the Model 7 offered dual phono inputs, two tuner inputs, and in a stroke of prescience, a “TV” input. i dont hear any improvement with the rega it sounds very close to the marantz. 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? Sep 10, 2013 · Whereas in case of the aforementioned Marantz amps the integrated phono sections already are pretty decent implementations, so that "de-crippling" these for a couple of Euro is a good idea, as many of the available separate phono stages up to roundabout 150 Euro wouldn't provide a significant improvement Nov 9, 2020 · My good friend, Kajiwara-san, was also much excited by the result of this modification on his original Model 7, and he said to me that this improvement deepened his conviction that the Model 7's phono EQ would be the only way to reach and bring out the full potential of the excellent MM cartridge, the Shure V15 Type 3 with VN35MR stylus, which Jan 3, 2019 · The original claim was for the Marantz 7, not just the phono stage. Dec 8, 2019 · SunValley unabashedly state that the SV-Pre1616D is a “marantz #7type Pre AMPLIFIER”. Mar 15, 2022 · I recently acquired this preamp from Nobsound/Douk Audio. Nov 13, 2020 · 36 thoughts on “Marantz NR1711 Review (7. Does anyone know whether the phono preamp in vintage Marantz receivers were any good? Jan 5, 2014 · Technics 1800 MKII and Ortofon 2M Red. The seller doesn't have a turntable so I can't audition its phono stage. What he came up first was his phono versions of famous studio tube preamps. Still, even without the transformer the Marantz 7's phono stage is amazing. Way lusher sounding and more detailed than the Bellari VP 130 I was using. It's the same conundrum that faces those that wish to connect a streamer or CD player when deciding which has the best DAC, player or amp. Depth is excellent and it is ultra quiet. Wada Shigeho was ahead of his time and dared to challenge the Marantz 7 by improving on its shortcomings. SV-EQ1616D is base on Marantz 7 circuit. 8 KB · Views: 467 M7-PHONO-RIAA. It is vastly more transparent than using SUT's in a direct comparison. Apr 22, 2018 · The circuitry was basically different from most preamplifiers of the day as the Model 7 used a unique three-stage phono preamp/equalizer that later became as “Marantz Circuit””. My Parasound P6 preamp used in my office has an okay phono stage, while my Schiit Freya+ preamp used in the main living room stereo does not have one. My intention is to replace the originals with KSA992 (for 2SA1039) and KSC1845 (for 2SC2390). Sadly there is no way to verify that it is the same circuit as the Marantz 7's linestage. Construction, of course, is of the usual Marantz quality. Oct 16, 2018 · I think, given my respect for the Marantz internal, your budget is the bare minimum to improve on the phono stage. Web, Above a Marantz 7 stereo phono stage built for stand-alone use. The circuit was based on three 12AX7s per channel. Feb 14, 2006 · The Marantz 7 has an excellent phono stage. Jun 18, 2012 · I've just obtained a very early example of the Marantz 7 in the 10200 serial number range, making it among the first ever produced. Jun 5, 2023 · Hi all, I have a Marantz PM6004, a Rega Planar Two with RB220 tonearm and an Audio Technica AT-VM95SH cart, with Wharfedale 12. Stock tubes sounded awful. Logged Garrard 401 & Jelco 750L Ortofon Classic GMII E SPU, MusicMaster GE VRII,Kerr McCosh System, Squeezebox, Beresford Caiman and JBL 4425 speakers Nov 21, 2017 · The PM8006 offers a powerful 2x 70W into 8 ohm build, while the symmetrical circuits provide optimal imaging. Marantz 7C Stereo Console Service Manual WebFind many great new & used options and get the best deals for Marantz SM-7 Amplifier SC-7 Stereo Control Console OWNERS & SERVICE Jan 6, 2023 · cool - should "sound good". The frequency response was 20Hz–20kHz +/- 0. Suspect, though, that with tweaking of the preamp, which has adjustments for capacitance, etc, would be an improvement over stock phono stage of the Marantz Just read the Emotiva thread. Simply copying the circuit like the Chinese ones may not be ideal. I don't like it with most high output MC cartridges though. The unit weighed 20 pounds. Above: a Marantz 7 stereo phono stage built for stand-alone use. g. Plus unique separate left and right t Slimline 7. Here are a few snapshots of the process. Sep 12, 2011 · The phono pre-amp section consists of the three triode stages that you see at the left. It is missing tubes, chassis and a power supply all the way back to the power cord. May 16, 2019 · But, if you liked the sound of the Silver through the Marantz phono stage, and have no problem going back to the MM cart and keep using the Marantz, you might want to consider getting a 2M Blue stylus to put on your Silver body - it will be a worthy upgrade for not a lot of money. High-current discrete power output devices mounted on a generously-sized aluminum heat sink to provide high instantaneous peak current capability, and are able to handle dynamic bursts into lower impedance 4 ohm speaker loads. Sep 7, 2016 · I am using Telefunkens in all positions. Hammond steel chassis, punched-out using Greenlee hand-punches. His job was to debug things, and mine is to make it pretty. I am tempted about trying some Telefunken ECC803S, but these would require a second mortgage! Jun 12, 2020 · Marantz 7 phono has 3 tubes - one is a cathode follower. 20 right after the Marantz 7 - even with the modern stage running into the Marantz' line stage (which means you lose some of the detail), I Apr 1, 2021 · I have 3 Marantz integrateds (8004, 6004, 5005) and a 1995ish Yamaha AV receiver (RX-V990) and the phono stages in all of them are very good for my needs/ears. Joined 2011. Marantz, who had a background in drafting, graphic arts, and industrial design. marantz-7-schematic. Both The Marantz 7 and EAR clones are fairly easy to work on and very Hot-roddable if that is in your wheelhouse. Dec 18, 2006 · There are several Kits of parts based on the line amp circuit of the Marantz 7 line stage available from either Hong Kong or China. The question I asked myself when buying a $1000+ phono stage was whether I was taking too much of a leap ahead of my amp and speakers. 2 Channel AV Receiver with 50W, 4K and 6 HDMI Inputs MODEL 10 Reference Integrated Amplifier with 250W and All-New Marantz SMPS; Number of Speaker May 6, 2006 · The phono stage in my old Marantz 7 is a workhorse and quite solid, but I think that's one element of my vintage system that can use an upgrade. 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. Dec 1, 2016 · Although the Marantz integrated amplifier has a phono stage, I am using the VSPS400 kit (for building the Emerald kit) It's that its sound is more pleasant, less fatiguing. Unexcelled performance may be expected of both stereo and monophonic programs. According to our host, similar quality tubes should be used in all positions even if not regularly using the phono stage. 54. Since I don't use tone controls much I have thought about building one of the stripped down clones with the phono stage. 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 May 21, 2013 · I've just finished building a Marantz 7 phono pre with a pcb I found on ebay. The phonostage was particularly innovative in its three-stage circuit, which was soon dubbed “the Marantz circuit. The Pre1616D is essentially the line stage section of a Marantz 7. In Japan, I remember well, there was so much argument about the superiority of RIAA equalizer circuitries, between McIntosh C22 and Marantz Model 7 throughout the Nov 15, 2021 · The Marantz 7 preamp is a full function preamp with phono as well as tape head input. I talked with Glenn (Echowars) and he thought it was the transistors. Frequency response: 20Hz to 20kHz. Their power amplifiers had 470k input impedance. The front panel featured an array of four knobs on each side flanking four toggle switches. Oct 16, 2003 · I'm considering buying a vintage Marantz 2325 receiver. I tried just direct to the phono socket on the the PM6007 and a similar but slightly different noise is there so it may or may not be the phono stage. To me it sounds accurate, not syrupy. So, I ended up replacing the 12au7s General: Same look and features as the Marantz 7 but at a fraction of the cost. Anyone got some info,experience on Aug 11, 2014 · If you have the box and the Marantz in place then try them both and find the one which you prefer. Surely it doesn't have the tone controls and phono stage the the 7 had. Aug 22, 2020 · Of all the chi-fi gear I have bought, the most impressive are the EAR 834 phono stage clone (sounds nearly identical to the real McCoy), and the Marantz 7 phono stage clone (also sounds so close to the real thing I don't think I could tell one from the other). Dec 17, 2006 · I have seen several of these from one supplier. 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). Specifications. May 24, 2016 · I built this valve phono stage, based on the classic (1950's) Marantz 7 phono section last week. The phono/tape head section is based on three 12AX7 tubes. 000 Resultados de traducción Resultado de traducción Hello everyone. Apr 20, 2008 · I am using my Marantz 7 with medium output (0. Would also agree with @Rolls-Royce to add a KAB arm dampener to the table Dec 2, 2024 · An original Marantz Model 7 preamplifier in good condition can fetch at least $5,000, 22 times its original price in 1958. hyxhxmm chgil dbhms waf sjgyn gkiylq exptj evsu qfv faos mywoqu qhqpq vlmxnn zphb uinjv