Vintage Tube Amp

Conrad Johnson MV75/MV75A1 Vacuum Tube Power Amplifier. A vintage Conrad Johnson MV75/MV75A1 Vacuum Tube Power Amplifier (1979-85). In VG, if not EX cosmetic condition. For a detailed look of the unit up close ” View listing photos & YouTube DEMO link “. Serviced + new tubes installed in preamp section. The output tubes all tested good. Previously upgraded with modern speaker terminals, power inlet and RCA jacks. All service adjustments performed by a professional tech semi-retired with 45 years experience in high-end audio repairs to bring unit back to original factory specifications if not better. All products are fully tested. Faulty or under-spec components are replaced with modern high grade equivalents. Any known issues or potential weak points are rectified up-front to ensure these products continue to’sing’ for many years to come. Looks, sounds & performs beautifully. The unit shows signs of use, and is clean and working properly. That being said, due to the age of this device & the uncertain nature of vintage electronics. Vacuum Tube Power Amplifier. MV75: Power: stereo: 75 watts per channel, minimum RMS at 4, 8 ohms from 30Hz to 15kHz, with no more than 1% total harmonic distortion or intermodulation distortion. Monaural: 150 watts minimum RMS at 4 or 8 ohms from 30Hz to 1kHz, with no more than 1% total harmonic distortion or intermodulation distortion. Frequency Response: 20Hz to 20kHz to. 5db. Signal to noise ratio: 90 db. Tube complement:1 5751, 2 6CG7, 4 6550. Vintage Denon DP-2000/DP-2500 Servo Controlled DD Turntable with Quartz Control #. Turntable is exactly what was presented. Vintage Pioneer PL-530 2-Speed Fully-Automatic Direct-Drive Turntable (110/240V) #. Yesteryeryear_audio thank you so much! Integrated amplifier plays wonderfully and is in pristine cosmetic condition! Communication was clear, helpful and very responsive. Vintage Sansui AU-717 Stereo Integrated Amplifier #. Order arrived fast and was packaged with impeccable care. The turntable plays beautifully and is a joy. Vintage Pioneer PL-550 Quartz PLL Direct-Drive Turntable #. Item was meticulously packed and arrived safely. Couldn’t be happier with the turntable. Vintage Pioneer PL-570 Quartz PLL Direct-Drive Motor Fully-Automatic Turntable #. Item extremely well packed. Vintage Pioneer PL-560 Direct-Drive Automatic Turntable #. B&K Precision Dyna Jet 747B Solid State Dynamic Mutual Conductance Tube Tester #. Vintage Technics SL-1900 Fully-Automatic Direct Drive Turntable #. Outstanding in every respect! Terrific product, exactly as described, great communication, meticulous care and attention to detail, and fast service! Vintage Thorens TD160 Turntable S/N 100706 #. I couldn’t be more satisfied! Vintage Technics SL-1301 Quartz-Locked Direct-Drive Automatic Turntable #. I was very impressed with the professional packing. The 6300 is in excellent condition. Not a mark or scratch anywhere. Lid opens easily and stays open. I haven’t tried it yet. It’s going to Vintage Audio for bench testing and refreshing. But I’m positive it will just need a quick clean inside. Vintage Marantz 6300 Turntable S/N 600960 #. Item arrived quickly and as described. Century Fast Check Tube Tester – Model FC-1 #. «:::E:::» «:::C:::» «:::S:::» «:::T:::» «:::A:::» «:::S:::» «:::Y:::». Vintage McIntosh MPI4 Tuner Maximum Performance Indicator (Serviced & Re-capped) #. Arrived undamaged and was as good or even better than described, totally satisfied. Vintage Pioneer RT-1020H Reel to Reel Tape Deck + Extras (READ DESCRIPTION) #. Beautiful and everything I thought it would be! Vintage McIntosh MI-3 Maximum Performance Indicator (Serviced & Re-capped) #. Vintage KEF 104 Reference Series Speakers #. As described, in beautiful condition. Thank you very much! Vintage VPI HW-19 MK-2 Turntable (1983) W/O Tonearm #. Vintage Marantz 6300 Turntable S/N 600514 #. Superior product, with packing like a brand new piece from the factory. Vintage Onkyo Integra M-504 Dual Mono Power Amplifier #. Item just as described. Packing was amazing item arrived undamaged. Vintage Marantz 6300 Turntable S/N C110139 #. Vintage Technics SL-1350 Direct Drive Automatic Turntable. Thrilled to have this rare item at a great price. Vintage KEF KUBE 107/2 Loudspeaker Active Equalizer (SP2163) #. Item packaged extremely well. Vintage McIntosh MC2105 Power Amplifier (Serviced & Recapped) #. Great packing for a fragile product. Vintage Conrad-Johnson MF-200 Power Amplifier (Serviced & Recapped) #. Vintage Nakamichi 700 ZXL Computing Cassette Deck #. Condition was better than expected. Vintage Pioneer PL-518 Auto Return 2-Speed Direct-Drive Turntable #. Item as described a true icon of audio history. Vintage McIntosh C33 Solid State Stereo Preamplifier (Serviced & Recapped) #. KEF 107/2 Reference Series Speakers Midrange/Tweeter HEADS #. The turntable was exactly as described and beautiful. You can tell it was packed with much care when I opened the box. I wish new products were packed with as much care and precision. Vintage Thorens TD160 Turntable in Original Box (Serial #252928) #. Awesome reel to reel player, just as described. Vintage Technics RS-1500US Limited Edition Carbon Fiber R2R By J-Corder #. Audioquest Anaconda XLR 2M Audio Interconnects #. Vintage Marantz 6300 Turntable w Empire 2000Z #. Vintage Thorens TD160 Turntable #. Very Nice B4 TT Packed Perfect. Vintage Yamaha YP-B4 Fully Automatic Turntable w Ortofon M20FL Super Cartridge #. A dream come true, better than new! Secure packaging, works perfectly! From the best electronic packing I have ever received to the unit. Vintage McIntosh MA6100 Integrated Amplifier Serial #P8346 (Serviced & Recapped) #. A Great Vintage McIntosh MA6100! Vintage McIntosh MA6100 Integrated Amplifier Serial #AE492 (Serviced & Recapped) #. A Great Vintage McIntosh MR78! Vintage McIntosh MR78 Stereo Tuner (Serviced & Recapped) #. Vintage Marantz WC-9 NOS (New Old Stock) UNSEALED IN BOX Wood Cabinet/Case #. Item arrived as described thank you. Vintage NOS (New Old Stock) Marantz WC-43 Wood Cabinet/Case (#303506472888). Vintage Bell Carillon 6060 Tube Amp (Professionally Serviced/Recapped/Re-tubed) (#303528395961). Perfect in every way!! Vintage Marantz 4270 Receiver Pro/Serviced & Recapped + LED Upgrade & WC-22 (#303400740547). Vintage Pioneer PL-560 Turntable with Stanton 680EE Cartridge & NEW Stylus (#303382638216). Nice clean unit, works great so far. Vintage Pioneer SPEC-2 Rack Mount Stereo Power Amplifier (3 Line Voltage Model) (#303423883114). Symposium Acoustics ULTRA Energy Absorption Platforms 19″ x 14″ (#303373067498). Exactly as described, well packed, insured, A+ follow-through! Vintage Pioneer SX-1010 Stereo Receiver (Serviced & Recapped + LED) #. The Amp is beautiful–pristine. Packing was beyond excellent. Vintage McIntosh MC 250 Solid State Stereo Power Amplifier (Serviced & Recapped) #. Knows how to pack stereo equipment. Vintage Mcintosh MA5100 Solid State Stereo Integrated Amplifier w Case & Panloc #. Vintage Thorens TD160 Turntable with Stanton Cartridge in Original Box #. Very happy with the record player. Vintage Thorens TD160 Turntable with Ortofon Cartridge #. Vintage Pioneer PL-530 Turntable with Audio Technica AT14Sa Cartridge #. Super helpful when I asked questions. Vintage Thorens TD160 Turntable with Grado Cartridge (#303581989275). Conrad-Johnson PV10A Stereo Tube Preamplifier With Phono Stage (#303562482278). Vintage McIntosh MAC 1700 Stereo Receiver w Wood Case (Serviced & Recapped) #. Vintage Pioneer SPEC-1 Rack Mount Stereo Preamplifier (3 Line Voltage Model) (#303423834381). I’m now in heaven with my new vintage receiver! Vintage Marantz 2270 Stereophonic Receiver (Serviced & Recapped + LED Upgrade) #. Turntable packaged with detail and care. It works and sounds great. Scott PS-87A Direct Drive Fully Automatic Turntable in Original Box (#303551572059). Item was as described. Vintage Marantz Model 6350Q w Shure V15 Type IV & NEW Jico VN-45HE Stylus (#303401938187). Vintage Sony CDP-X555ES Compact Disc Player (#303581875203). Always a pleasure to deal with. Vintage Marantz 2440 Quadradial 4 Adaptor Amplifier (#303581923887). Exactly as described, very professional packing. Vintage Technics SL-1900 Fully-Automatic Direct-Drive Turntable NO CARTRIDGE (#303533649155). Tannoy 12 Monitor HPD 315 Dual Concentric Drivers & Crossovers (#303546057249). The packing job was exceptional! My turntable was even better than described. Klyne SK-2A Moving Coil Preamp Step Up MC Preamplifier Head Amp + Manual (#303531778704). Vintage Marantz 2325 Pro Serviced & Recapped + LED Upgrade & Original Boxes (#303508296342). Vintage Technics SL-1900 Turntable w Pickering XSV-3000 & D3000 (#303370403737). Vintage Luxman SQ-707 Solid State Stereo Integrated Amplifier (#303552358482). Expert packing and great communication. Vintage McIntosh MA6100 Integrated Amplifier (Professionaly Serviced & Recapped) (#303538133604). Arrived quickly, items packed and padded perfectly. Vintage Technics SL-1301 Quartz Lock Direct Drive Automatic 120V/240V Turntable (#303356004338). Well packaged and as described – thank you. Vintage Nakamichi DR-3 Audiophile Professional Cassette Deck (#303274442807). A+++ all the way. Vintage AIMS VTB-120 1970s Bass/Guitar Tube Amp – 120 watts – Made in the USA (#303515606026). Vintage McIntosh MC2100 Stereo Power Amplifier (Serviced/Recapped) (#303514585192).

Rare Vintage 1940s Johnson Junior Guitar Amplifier. Made by Johnson Sound Systems of Brandon Manitoba. Did I say Rare? I meant Super Rare. I know of only a handful of amplifiers existing from Johnsons in Brandon, of any model. And only 1 Junior. And this Junior is in “like new” original condition. Cosmetically excellent, and is working nice and clean. All parts and components are original. A rare chance to own a rare Amplifier from an iconic Canadian music/guitar shop from the past. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps”. The seller is “famfra47″ and is located in this country: US. This item can be shipped to United States.

• Model: Johnson Junior
• Brand: Johnson Sound Systems
• Type: Tube Amplifier
• Country/Region of Manufacture: Canada

For sale a vintage Conrad Johnson PV-1 tube preamplifier in good conditions for this age. Beautiful vintage sound for one of the best brands of tube electronics on the market. Introduced in 1977 by Bill Conrad and Lew Johnson was emphasizing the critical importance of the quality components parts and tubes in the natural sound. For more details see the pictures. Runs on 117V AC. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps”. The seller is “tubefive” and is located in this country: ES. This item can be shipped worldwide.

• Model: Conrad Johnson PV-1
• Country/Region of Manufacture: United States
• Brand: Conrad Johnson
• Type: Tube Pre Amplifier

No mid-fi, no gimmicks, no junk. Each piece of equipment is cosmetically restored and fully tested in our well-equipped lab by an engineer with 30+ years of experience in the HiFi world. Through our sister company, which is an authorized dealer for McIntosh, Audio Research, Sonus Faber, ClearAudio, Project, and Sony ES, we have access to OEM parts, service, and support. The MV50 is one of our most beloved and versatile tube amplifiers from CJ. The MV52 takes it to the next leveI. Our in-house tube expert went through this amplifier carefully to ensure it meets full and original factory performance. PLUS this example was factory upgraded from an MV50 to MV52 in August 1993. Tube Notes: (4) Matched Quad New Svetlana EL34 (2) Philips ECG 6CG7 (2) GR 5751. Cosmetic Notes. Right channel terminal block has some minor damage. Left handle slightly bent but barely noticeable. Great bit of info from CJ: CIRCUIT DESIGN It has been our experience that simple designs with few active stages when executed with care and great attention to detail will be both more musical and more reliable than overcomplicated alternatives. Accordingly, the audio circuit of the MV52 is remarkably straightforward. A triode input amplifier comprised of paralleled sections of a 5751 is direct coupled to a cathode coupled differential phase inverter using high current triodes to provide balanced, low impedance drive to the pushpull output stage. The output stage features ultralinear operation which permits high power levels while greatly reducing the source impedance of the stage. As a result, the amplifier is capable of supplying the large current demands of high amplitude musical transients driven into reactive speaker loads. A substantial main power supply of massive polypropylene capacitors enables the MV52 to easily meet these extraordinary current demands. Voltage regulators for the voltage amplifiers and phase inverters provide nearly absolute isolation of these sensitive stages from the output stages. 45 watts per channel RMS both channels driven into 8 ohms from 30Hz to 15KHz at no more than 1% total harmonic distortion or intermodulation distortion. 750 mv to full power. 20Hz to 20KHz +0.5dB. 90dB below full power output. 11.5D x 19W x 9H inches. The SkyFi Testing Process for Tube Amplifiers. We start with a visual inspection of all internal components to make sure there are no signs of stress or aging. Capacitors are checked for telltale sings of bulging or leaking, resistors are checked for signs of overheating or cracking, and tubes are inspected for signs of stress overheating or cracking. We then power up the unit carefully and run a simple 1k sine wave while monitoring the output on an oscilloscope for signs of distortion or noise. Finally we run the amplifier to its full rated power into the appropriate resistive load provided by our Sencore amplifier tester. If there is an issue, it will usually be noticeable at this point. If it all looks clean we will often test for THD (Total Harmonic Distortion) measured by our Keithley distortion meter, and compare it against the original manufacturers specifications. The amplifier the remains powered on to “burn in” on our test bench for a few hours to make sure there are no heat related issues. If there are balanced inputs available they will also be tested. We also test all tubes for output gain and leakage on our modern and professional tester against the original manufacturers specifications. If needed, the tubes will be replaced from our vast NOS (New Old Stock) vintage or modern inventory. Final testing involves pushing actual music thorough the amplifier. We’ve learned over time that some issues are only noticeable to a trained ear while listening to familiar source material. Our test bench has reference vintage KEF speakers that we’re very familiar with which quickly reveal any discrepancies. Some amplifiers will then move into our listening room where they are tested with our in-house reference speakers of choice. We have too many items for sale and it’s nearly impossible to keep track of offers outside of the official system. We accept trade-ins of equal or lesser value under certain conditions. Please visit our website to submit your gear for full consideration. We will only consider high-end equipment from mainstream manufacturers such as McIntosh, Mark Levinson, Audio Research, Krell, etc. And will typically pass on displays, projectors, receivers, dated surround processors, and mid-fi equipment of any type. We will offer a fair value for your equipment, but keep in mind we’re running a business and will need to be able to resell the equipment at a profit after investing a great deal of time and resources in testing, certifying, repairing, cleaning, and packaging the incoming equipment. SELL US YOUR GEAR (Working or Broken). Simply visit our website to submit your gear for full consideration. We are currently operating from our shop inside our dedicated building in Glen Rock, NJ. We have several well-equipped and dedicated listening areas, plus a dedicated listening studio with tons of equipment of all makes and models. We’re not a store, so please don’t make an appointment if you’re just curious as to how a speaker or piece of equipment sounds. In essence – no tire kickers please. This is super useful when purchasing large speakers or heavy amplifiers. It’s also great for ensuring your new turntable is setup correctly in its final resting place. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps”. The seller is “skyfiaudio” and is located in this country: US. This item can be shipped to United States, Canada.

• Brand: Conrad Johnson
• Type: Tube Amplifier
• MPN: MV52
• Model: MV52
• Country/Region of Manufacture: United States

Working perfectly have dent on top right corner. Please view all photos. 6442 sunside ave Westminster California 93683. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps”. The seller is “thecalvintage” and is located in this country: US. This item can be shipped to United States.

• Brand: Conrad Johnson
• Type: Tube Amplifier
• Model: MV52
• MPN: MV52
• Country/Region of Manufacture: United States

This rare, limited edition Conrad Johnson Preamp is in Excellent physical condition. Very hard to find and it sounds superb! Legendary quality, supremely well-made. Will be completely wrapped in thick bubble with extra padding inside the box. Thank you for viewing! The item “Vintage Conrad Johnson PV2A Tube Preamplifier. Excellent condition working well” is in sale since Thursday, July 30, 2020. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Preamps & Tube Preamps”. The seller is “quyenvintage” and is located in Westminster, California. This item can be shipped to United States.

• Type: Tube Amplifier
• Model: PV2
• Brand: Conrad Johnson

JOHNSON MILLENIUM ONE-FIFTY GUITAR AMPLIFER. 2×12 Inch CELESTION Speakers. Serial number A1 04420 / JANUARY 1998. TWO (2) 12AX7 TUBES IN THE PRE-AMP SECTION. Manufactured in Salt Lake City, USA. Masking or duct tape remains on top face manual surface. Some aged storage wear dust and grime on front face panel. NO EFFECT PEDALS / NO PATCHCORDS / NO PAPERWORK. GOOD FORMALLY USED CONDITION recently pulled from the closet where it has been stored. For the last six or more years, never been used by a. Metal band or been out on tour, appears to be unmolested original. Usage scuffs and light scrapes on outer surface along with. Years of dry clean closet storage. Please examine the many pictures and photographs. The item “VTG Johnson Millenium OneFifty Guitar Tube Pre Amp 2×12 Celestion SEATTLE PICKUP” is in sale since Sunday, August 18, 2019. This item is in the category “Musical Instruments & Gear\Guitars & Basses\Guitar Amplifiers”. The seller is “goodstufff” and is located in Seattle, Washington. This item can’t be shipped, the buyer must pick up the item.

• MPN: Does Not Apply
• Brand: Johnson

Up for grabs. My incredibly clean, highly sought after, Conrad Johnson Stereo Tube Amplifier and. An amazing combo, perfectly matched together. Comes with original owners manuals. Both units are in perfect working and cosmetic order. If you know, you know… Premier Eleven Specs : Description: Tubed stereo power amplifier. Frequency response: 20Hz-20kHz, +0/-0.5dB. The item “Vintage Conrad Johnson Premier Eleven Tube Amplifier and PV12a Preamp hifi” is in sale since Monday, February 17, 2020. This item is in the category “Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps”. The seller is “ohgoditsvinyl” and is located in Venice, California. This item can be shipped to United States.

• Number of Channels: 2
• Model: Premier Eleven & PV12a
• Type: Tube Amplifier
• Features: Analog
• Brand: Conrad Johnson

For sale is an excellent Conrad Johnson Premier Four power amplifier. 100 Watts per channel. This amp is massive and extremely well built. Giant filter and power capacitors. Weighs 80lbs on its own. I hate to part with this unit, but it needs to be played and not sit on a shelf. This unit has been well cared for and recently underwent pro servicing and tube upgrade including. Matched set of Mullard EL34 (x8). Here’s what is included. Tubes should be re-biased when you receive the unit. Very easy to do with instructions right on the chassis. Warm-up cycle is about 60 seconds from power on. Amp keeps sounding better the longer you play it. Additional description and specifications courtesy of Conrad Johnson. The Premiere Four vacuum-tube power amplifier used two pair of EL34 output tubes per channel to produce 100 watts per channel. It featured extensive use of conrad-johnsons proprietary CJD polystyrene capacitors throughout the audio circuit and in the regulated power supplies for the voltage amplification stages. The Premier Four achieved silky highs, and a remarkable three-dimensional soundstage. 4, 8, 16 ohm speaker taps (screw type). One pair of input. Built in bias indicators. Power Output: 100 watts per channel, minimum RMS, at 4, 8, or16 ohms both channels driven from 30Hz to 15kHz with no more than 1% THD or IM Distortion. Response: 20Hz to 20kHz, +0.5dB. Input Sensitivity: 1.0 volts to full power. Input Sensitivity: 0.875 volts Hum & Noise: 96 dB below rated power. The item “Vintage Conrad Johnson Premier Four Tube Amplifier Pro Serviced Upgrades” is in sale since Tuesday, October 8, 2019. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Preamps & Tube Preamps”. The seller is “gregbeastaurora” and is located in East Aurora, New York. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, South africa, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Bermuda, Brunei darussalam, Guadeloupe, Uruguay.

• Model: Premier Four
• Country/Region of Manufacture: United States
• Brand: Conrad Johnson

For sale is an excellent Conrad Johnson Premier Four power amplifier. 100 Watts per channel. This amp is massive and extremely well built. Giant filter and power capacitors. Weighs 80lbs on its own. I hate to part with this unit, but it needs to be played and not sit on a shelf. This unit has been well cared for and recently underwent pro servicing and tube upgrade including. Matched set of Mullard EL34 (x8). Here’s what is included. Tubes should be re-biased when you receive the unit. Very easy to do with instructions right on the chassis. Warm-up cycle is about 60 seconds from power on. Amp keeps sounding better the longer you play it. Additional description and specifications courtesy of Conrad Johnson. The Premiere Four vacuum-tube power amplifier used two pair of EL34 output tubes per channel to produce 100 watts per channel. It featured extensive use of conrad-johnsons proprietary CJD polystyrene capacitors throughout the audio circuit and in the regulated power supplies for the voltage amplification stages. The Premier Four achieved silky highs, and a remarkable three-dimensional soundstage. 4, 8, 16 ohm speaker taps (screw type). One pair of input. Built in bias indicators. Power Output: 100 watts per channel, minimum RMS, at 4, 8, or16 ohms both channels driven from 30Hz to 15kHz with no more than 1% THD or IM Distortion. Response: 20Hz to 20kHz, +0.5dB. Input Sensitivity: 1.0 volts to full power. Input Sensitivity: 0.875 volts Hum & Noise: 96 dB below rated power. The item “Vintage Conrad Johnson Premier Four Tube Amplifier Pro Serviced Upgrades” is in sale since Friday, September 20, 2019. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Preamps & Tube Preamps”. The seller is “gregbeastaurora” and is located in East Aurora, New York. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, South africa, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Bermuda, Brunei darussalam, Guadeloupe, Uruguay.

• Model: Premier Four
• Country/Region of Manufacture: United States
• Brand: Conrad Johnson