Experience the ultimate vintage HiFi sound with this Pioneer QD-240 CD-4 Demodulator Quadraphonic decoder. This rare piece of audio equipment delivers a surround sound experience with four channels of audio output. It comes with a manual for easy setup and is adorned in a sleek silver color that will perfectly complement your home audio setup. Perfect for audiophiles and music lovers alike, this quadrophonic decoder by Pioneer is a must-have addition to your collection. Not Tested 1/25/2024 Device does power up and the meter lights up when the buttons are pressed.

Up for sale is this Marantz CD-400, CD-4 Disc Demodulator Quadraphonic This is a nice clean specimen. Will be professionally packaged for safe delivery in the advertised condition.

In good working and cosmetic condition. I was using this with a 451c Strain Gauge cartridge until I obtained a dedicated strain gauge preamp. A few dings here and there but quite nice. Controls could perhaps use some cleaning.

Marantz CD-400B, CD-4 Disc Demodulator Quadraphonic Tested & Working Well.

Panasonic SE-405 CD-4 System Disc Demodulator 4 Channel Radar UNIT POWERS ON UNTESTED CAME OUT OF A ESTATE SALE SOLD AS IS NO RETURNS

JVC 4DD-5CD-4 SYSTEM DISC DEMODULATOR 220v 50Hz 8WSERIAL NO. 16500583Made in JAPAN This item is used but looks like new.No trace of scratches or dirtLooks like its box was just opened.See the pictures well.

Technics CD-4 System Disc Demodulator SH-400geprüfte Ware vom Händler mit einem Jahr Gewährleistunges ist alles voll funktionstüchtig - guter Gesamteindruck - es gibt keine Beschädigungdie bereitgestellten Fotos zeigen den angebotenen Artikelaußerdem zeigen sie die Bestandteile der Lieferungweitere Artikel finden Sie in meinem Shop

Fantastic piece, as with any vintage guaranteed working on arrival, after verification it works, thats as far as it goes as a warranty as this is a vintage piece.. See the other vintage pieces I have listed and thanks for looking!

Fantastic piece, as with any vintage guaranteed working on arrival, after verification it works, thats as far as it goes as a warranty as this is a vintage piece.. See the other vintage pieces I have listed and thanks for looking!

Came with a new stereo I purchased in early 80s. Never used it. Some cabinet deterioration at rear from storage

Panasonic CD-4 System Disc Demodulator. P/N SE-405. Vintage 70s/80s Japanese. I popped the lid, it looks well preserved inside. There is a strong electrical smell to the unit. The power cord is broken, I havent done any repairs. Sold as shown. Condition: Sold as shown. Bad power cord. Electrical offgassing smell. Please email with any questions!

Unit powers on but unable to fully test! Cosmetically unit is in excellent shape and has multi voltage switch so unit can be used in the US or Internationally. Sold AS-IS!

This item is being auctioned AS IS FOR PARTS ONLY! I have not tested it or even plugged it in. I am selling this item as I received it. Take a good look at all pictures. I will try to highlight any scuffs or scratches if they are present. If you have any questions please email. About Us: We are electronic recycling company specializing in Information Technology recycling and re-marketing. We scrap electronics. Once in a while we find items worth selling; thats what you will see here. We do our best to re-market items that you will enjoy without spending a lot of money. We strive for customer satisfaction. If you have any problems with your purchase, contact us directly. Opening an eBay claim is a last resort option intended for sellers who are uncooperative. We work with all of our buyers to achieve the best outcome for every purchase. That is the extent of our testing before an item is resold. Feel free to email us if you would like something evaluated before purchasing it. Please ask all questions before the eBay cut-off time on questions, usually 12 hours before close. We respond to questions Monday through Friday 9:00AM - 4:00PM EST & Saturday 9:00AM -12:00PM EST Returns and Refunds: No returns on AS IS FOR PARTS ONLY items! Compatibility (Hardware & Software): It is the responsibility of the buyer to determine if this item is suitable and compatible with the environment it will be used in. We do not support these items once sold, and do not issue refunds for reasons such as software incompatibility, or other issues that arise with older systems. As with any purchase, please do your homework to make sure its going to work for you. Shipping: We usually ship within 1 business day after receiving cleared payment for domestic orders. USPS / FedEx and/or UPS tracking number(s) will be sent to your eBay contact upon shipment. International Buyers ? Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying. Payment: If auctioned, payment is due no more than 3 days after you agree to purchase otherwise a non-paying bidder dispute will be filed. Thanks for looking!

Marantz CD-400B Demodulator.1976-1977 Very rare device for sale, especially in this superb condition. Will delight Marantz model collectors. Works perfectlyShipping worldwide, ask the cost before biding. The Marantz model CD-400B is a simple to operate demodulator for obtaining four discrete channels from CD-4 records. The unit incorporates an automatic noise reduction circuit to minimize record noise without affecting frequency response, and an automatic 30Hz carrier level control which selects the optimum carrier level for the cartridge being used. Non CD-4 records may also be played through the CD-400B without affecting their performance. The controls do not have to be adjusted to play non CD-4 records; when they are played and the mode switch is in the 4 CH Auto position, the Radar indicator will illuminate and the record will automatically be demodulated into four discrete channels.

Heathkit AD-1507 CD-4 Demodulator module kit FACTORY SEALED New Old Stock NOS Here is a factory sealed Heathkit AD-1507 CD-4 Demodulator module kit that has been sitting in a closet since ordered new 43 years ago. This is sold strictly as is. This unopened box will be shipped in another box to protect the original box from shipping damage. Bidding starts at $1 and there is no reserve. Shipping, and insurance will be $17.10 to anywhere in the Cont US.

Marantz CD-400B CD-4 Disc Demodulator. In Storage for forty one years. Powers up. Original box owners manual and calibrating record. The CD-400B provides 4 discrete channels from CD-4 records. Sold AS IS NO RETURNS

Marantz CD-400B Demodulator.1976-1977 Very rare device for sale, especially in this superb condition. Will delight Marantz model collectors. Works perfectlyShipping worldwide, ask the cost before biding. The Marantz model CD-400B is a simple to operate demodulator for obtaining four discrete channels from CD-4 records. The unit incorporates an automatic noise reduction circuit to minimize record noise without affecting frequency response, and an automatic 30Hz carrier level control which selects the optimum carrier level for the cartridge being used. Non CD-4 records may also be played through the CD-400B without affecting their performance. The controls do not have to be adjusted to play non CD-4 records; when they are played and the mode switch is in the 4 CH Auto position, the Radar indicator will illuminate and the record will automatically be demodulated into four discrete channels.