We have collected the most relevant information on Vintage Quadraphonic Audio. Open the URLs, which are collected below, and you will find all the info you are interested in.
						
						
						
						
						
						Vintage / Used Stereo / Quadraphonic Headphones.
						https://www.oaktreevintage.com/Stereo_Headphones.htm
						Vintage / Used "Old School" Stereo & Quadraphonic / Quad Headphones. Most come completely tested / refurbished w/ 90 day warranty! 2-Channel Stereo & 4-Channel Quadraphonic Headphones by Pioneer, Kenwood, Sansui, Craig, …
						 
						
						
						
						Quad Receivers | 4 Channel - Vintage Stereo | Audio Systems
						https://soundsclassic.com/quadraphonic.html
						Super Clean Vintage 70's Marantz 2440 Silver Faced Quad Receiver w/ Quadradial Adaptor. Conservatively Rated at 20 x2 watts rms/ch into 8 ohms. Phono (mm), Aux, Tape in/out, AM/FM Tuner. Fully Restored New Caps, LED …
						 
						
						
						
						Quadraphonic: The forgotten surround sound of the 70s
						https://www.currybet.net/cbet_blog/2008/01/quadraphonic-the-forgotten-sur.php
						Quadraphonic is the forgotten surround sound system of the 1970s. It was never a huge commercial success, in part because the required equipment was expensive, in part because of myriad conflicting formats, and in part because of the limited availability of any albums apart from those by the Allman Brothers Band in the format .
						 
						
						
						
						Sansui Quadraphonic Receiver - Vintage Audio Exchange
						https://www.vintageaudioexchange.com/product/sansui-quadraphonic-receiver-model-qrx-7001
						Description Description Sansui Quadraphonic Receiver Model: QRX-7001 35 watts per channel x 4 at 8 ohms Can be used for both 2 channel or 4 channel applications Wood cabinet Glass and chrome face Made in Japan 1974 – 1977 Professionally Serviced
						 
						
						
						
						Vintage Quadraphonic Equipment Gallery | QuadraphonicQuad ...
						https://www.quadraphonicquad.com/forums/forums/vintage-quadraphonic-equipment-gallery.80/
						Vintage Quadraphonic Equipment Gallery A place to collect information and pictures of Quadraphonic Hardware from the 1970's Help Support QuadraphonicQuad: 1 2 3 … 10 Next Filters Rules of this Section - Please Read JonUrban Jan 18, 2011 Replies 1 Views 6K Feb 19, 2011 Quadrockasaurus Rarity Guide & Average Sale Price Explained eyg2181 Jan 24, 2011
						 
						
						
						
						Vintage HIFI Audio From Around The World - Audio Classic
						http://www.audioclassic.org/vintage-hifi-audio-from-around-the-world.html
						Marantz 4240 Quadrophonic Receiver 1974 The Marantz 4230 is created for stereo and 4 channel (Quadraphonic) sources. Marantz called the concept sonorous "Stereo 2 + Quadradial 4". Some quadro decoder systems are on board. For an optional SQ decoder, there is a recess in the base plate, it can simply docked.
						 
						
						
							
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