This Sony SQD 2050 can be hooked up to a number of component stereo systems to give quadraphonic sound. I did some limited testing. The unit powers up. I then set it up with a Heathkit AP1800 preamp r

 

ECC83 TUNGSRAM TUBES FOIL - GETTER / Dual Support TESTED PAIR Ia1 Ia2 S1 S2 mA mA mA/V mA/V ECC83 1.3 1.3 1.4 1.4 ECC83 1.2 1.2 1.6 1.7 Measured at catalogue parameters Ua = 250V & Ug1 = -2V where

 

AUCTION VINTAGE H.H. SCOTT STEREO MASTER TYPE 222C LABORATORY TUBE AMPLIFIER POWER ON MISSING 2 TUBE SOLD FOR PARTS OR REPAIR DENT ON TOP THE SIDE THE AMPLIFIER POWER ON BUT MISSING TUBE IT SOLD AS IS

 

Vintage PAIR JBL 035ti Titanium Tweeters Vintage PAIR of 8ohm JBL 035ti tweeters.DCR: 4.2/4.4 ohms Both of these examples are GEM MINT UNTOUCHED ORIGINALS! NO DEFECTS - AS NEW/GEM MINT PERFECT! These

 

Wow , what a cool find! Vintage Sanyo Mini B/W TV, Radio, Clock, Model TPM 2770. Has the original box - a few tears here and there, the original manual, original unopened ear plug and case, unopened a

 

At auction is one used DBX 14/10 "computerized equalizer/analizer" with original instruction manual. Anyone considering bidding on this unit probably knows what it does. I tested this unit to the best

 

Normal 0 false false false EN-US X-NONE X-NONE My General Policies: I want both you and I to have a good experience buying and selling on eBay. Bad auction experiences are no good for anybody. I've fo

 

Really clean monster SA 5560 receiver out of the closet and back in clean air again. Selling as parts only because the knobs crackle when they are turned and the music goes in and out when you turn th

 

VINTAGE SONY PS-X60 PSX60 RCA HIGH END HI-FI TURNTABLE RECORD AUDIO PLAYER . 'Most items ship within 24 hours after confirmed payment is received!' SearchBy9 - 44430 | Location: Z05 | Lister: Andy | T

 

A pair of vintage 12" Cleveland speakers pulled from a vintage Conn organ. In good working order, good cosmetic condition. Tested at 8 ohms on my meter. I had these speakers in a 2x12 cab and they sou