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Quadraphonic in Electronics For Sale

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$60.00   2 months ago
koss quadraphonic headphones - $60 (kent)

I think they work. Been sitting. Very cool if you have a quadraphonic system.

$120.00   4 months ago
1970's Pioneer QX-646 4-channel Quadraphonic Receiver - $120 (Albany)

Text or call: five 4 1 seven 4 zero five 6 five zeroOnly $120, or best reasonable offer. Has been cleaned, and lubed. Works great, and has really good AM/FM reception and more! Hooked up in Albany; and ready to demonstrate today. Note: the Fisher tape deck under the Pioneer, is NOT for sale. However the Boston Acoustic speakers, on top, ARE for sale too. Take a look at MY OTHER ads, for more home

$400.00   4 months ago
Akai Vintage Hi-Fi - Quadraphonic Receiver, Turntable, Reel-to-Reel - $400 (Olympia)

Need to clean out some of my collection, so I'm selling this great set of Akai electronics and speakers from the early 70s.The set includes:- Stereo/quadraphonic receiver- 4 Akai speakers- Reel-to-reel and 8 track tape machine (will throw in NOS blank tapes for your vintage mixes)- Turntable- all original 1/4" and DIN cables for connecting everything up- Original boxes for most components/speakers

$50.00   5 months ago
VINTAGE! Panasonic RE-8840 Quadraphonic 8-track receiver. best offer - $50 (e medford)

MOVING-MUST SELL! VINTAGE! Very Rare Panasonic RE-8840 Quadraphonic Convertible 2 or 4 Channel 8-track Player w/ AM-FM-FM Stereo Receiver 50.00 OBOFrom Audio Magazine 1972For the person who demands high quality sound with a surround sound system. Quadraphonic system unlike no other system in the world with different sound expanding out individually from each speaker. It will make you feel as if yo

$335.00   6 months ago

VINTAGE PANASONIC RD-2900 DIRECT DRIVE QUADRAPHONIC/STEREO TURNTABLE RECORD PLAYERFor is my Panasonic RD-2900 Quadraphonic Turntable with accessories, the original Owners Operating Manual and the original packaging.This is the only Panasonic RD-2900 on ebay at the moment and precision equipment like this is hard to come by these days and especially in this good of shape!It is being sold with 7 eac

$125.00   6 months ago
Vintage Lafayette LA74 Quadraphonic Quad Int.Amplifier - Made in Japan - $125 (Manchester)

Moving soon and need to get rid of some of my toys. Up for grabs is an excellent condition, vintage Lafayette LA74 quadraphonic integrated amplifier. This receiver dates back to the early to mid-70s when the quad format was at its peak. Lafayette quad gear is highly regarded in the quad community. They had advanced SQ decoders in their amps and receivers - full logic with gain riding in the later

$100.00   6 months ago
Realistic QTA-770 Quadraphonic Receiver Part/Repair - $100 (Tyler)

For your consideration is a Realistic QTA-770 Quad Audio Receiver from 1975. These were the TOTL receivers that Radio Shack was offering. It has an all wood top with the real wood veneer. It has front and rear channels that are rated @ 25 watts per channel in quadraphonic mode and 60 watts per channel in Stereo Max mode. It also features the AutoMagic tuning feature. It has 8 Sanyo Output Transist

$40.00   7 months ago
Kenwood KA-9340 Quadraphonic Receiver - $40 (Lake Placid)

This receiver powers up and the tuner needle appears to pick up signal. I did not get any sound out though. This thing weighs 50 lbs. The transformers alone have to be worth more than I'm asking. NO TEXT OR EMAIL!. Cash and Carry.

$149.00   7 months ago
Vintage Pioneer RX-8000 Quadraphonic Reciever - $149 (Overland Park)

Thanks for viewing our listing. For sale is this sick Pioneer receiver that is in great condition. The reciever has been tested and it works just fine except for one of the outputs doesn't work. Also we only have 1 speaker dongle to actually hook up a speaker to. If your interested please stop by and check us out. Heartland Pawn9501 W 87th StOverland Park, KS 66212 We are open:M-F 9am-6pmSaturday

$160.00   7 months ago
PRICE DROP! Vintage Sansui Quadraphonic stereo amplifier & reverb amp - $160 (Corvallis)

Top unit: a Sansui RA-500; a unique component to add a new thrilling pleasure; to your stereo enjoyment. It can provide reverberation effects--to all the program sources set up on your existing stereo control amplifier, including the playback from, and recording to, a tape deck. The continuously controllable reverberation time, and multicolored reverberation indicator round out the innovations of

$50.00   8 months ago
vintage Lafayette Quadraphonic Receiver - $50 (Jackson)

Really cool vintage receiver! Sounds nice at all volumes, looks really cool. Needs some repair but works fine as a stereo. With some fixing it could play all of those old Who albums in quadraphic! Groovy! Make me an offer.*The attached picture is not mine, will update ad when I have a chance*

$150.00   9 months ago
Technics SA-8000X 4 Channel Quadraphonic Receiver - $150 (Milwaukee)

Technics SA-8000X 4 Channel Quadraphonic Receiver. NOT WORKING. Works when turned on then shuts off

$185.00   1 year ago
Rare Vintage JVC 4VR-5445 Quadraphonic Stereo - $185 (North Port)

Very rare early 70's JVC 4VR-5445 quadraphonic stereo in excellent condition. I have had this stereo for 45 years and have never had any issues with it. Walnut veneer cabinet is still in excellent shape considering it's age. Lost the owners manual decades ago. Ran many turntables on it over the years and it performed flawlessly. Most recently ran my iPod with it. No speakers or turntable (sold). 2

$150.00   1 year ago
Vintage Pioneer Quadraphonic Receiver QX-8000 - $150 (SPRINGHILL)

I have vintage pioneer quadraphonic receiver qx-8000 for sale in excellent shape. works great. comes with 4 speakers.

$369.00   1 year ago
Serviced Vintage Marantz 4230 Quadraphonic Receiver LED Upgrade - $369 (Sacramento)

Now at Delta Breeze Records1049 Jefferson Blvd West Sacramento 9569130 DAY WARRANTYFully serviced Marantz 4230 Quadraphonic receiver - use at 30 or 60 watts per channel. Some transistors replaced. All pots/switches/inputs have been flushed and protected. DC offset + bias/idle current adjusted. Face and knobs polished. All lamps have been replaced with 8v 40ma LEDS and Stereo Beacon/selector lamps

$120.00   1 year ago
Vintage Technics Quadraphonic receiver - $120 (cleveland)

Model SA 6400x 1974 vintage list priced back then at $425 dollars, when those dollars where worth about 6 are today, inflation adjusted. Runs four speakers, and can run , a speakers, b, or a and b together. 14 watts rms per channel(the older bigger watts) at 8 ohms. Controls all clean, not scratchy and unit tunes and sound great. Good volume.

$300.00   1 year ago
Akai AS-980 Quadraphonic Receiver TOTL - $300 (Louisville)

Vintage Top of the Line (TOTL) Quadraphonic and or Stereo in fantastic working condition. Handles two Turntables and two Tape decks with Auxiliary input, along with AM/FM. Matrix decoding too. The ability to play three pairs of speakers. Back from a check up and control cleaning by a local tech and now ready for you to enjoy!This thing is over two feet wide! Four analog power meters. Copper chassi

$360.00   1 year ago
Sansui QRX 3500 Quadraphonic Receiver, Restored - $360 (truman)

Item for Sale: One(1) Sansui QRX 3500 Quadraphonic AM/FM Receiver in Excellent Condition!Serviced by Alex Audio & Video of New Hope, Mn.Equipped with QS Barrio Matrix to Decode 4 Channel SQ RecordsVery Flexible Setup with 3 Tape Monitors, 2 Auxiliary Inputs, & Great Phonograph Preamp SectionSeparate Bass & Treble Controls for all Four ChannelsHigh & Low FiltersQuad Headphone OutputsBeautiful Well-


Last Updated on: January 23, 2018