2 new in the box 1950-60's Telefunken ECC801S. These are the highest grade best sounding 10,000 hour 12At7s. The "Holy-Grail" of all 12At7/ECC81 tubes. NOS, NIB, low-noise and closely matched valves,

 

This is the manual for a Heathkit Williamson Type WA-1 amplifier. It is old, stained, and yellowed, but it is still in decent shape. No rip or tears. 32 pages with schematics, parts list, and step by

 

Welcome to The Technology Surplus Depot Vintage WORKING 1970's Panasonic RF-888 FM AM PSB Radio TESTED & GUARANTEED This radio was tested to power on with an AC power supply, and tune AM, FM, and

 

Pack in good shape, could use a cleaning, 16 crystals are missing. Had a questoin how many are missing, so updated picture and number. Numbers on inside are worn. Please pay ASAP I will be leaving the

 

RARE SIEMENS E188CC VALVES X 2 BOXED NEW OLD STOCK MADE IN GERMANY POST WORLDWIDE

 

These are a pair of Amperex made EBL1 Tubes. These have "P" Bases   .   .$18 postage and packing to mail anywhere. .

 

HERE IS A NICE PIONEER model SA-9100 INTEGRATED AMPLIFIER IN GOOD WORKING CONDITION Both CHANELS are working ,ALL THE SWITCHES AND CONTROLS HAVE BEEN CLEANED AND ARE WORKING CORECTLY, THERE ARE NO PRO

 

These crossovers were removed from the same system as the EV speakers in my other listings They have been tested and are working well Please look at all the photos and ack any questions before you bid

 

Up for auction is this used B&K Model 600 Dyna-Quick tube tester. It comes with three B&K tube adapters. One is a TC-75; one is a TC-62A, and one is a TC-62B. All three adapters have B&K o

 

HEATHKIT AA-1506 VINTAGE TRANSISTOR STEREO AMP, WORKING & ORIGINAL, MADE IN USA. This amp has some scuffs but appears all original and it works. This amplifier is nice and quiet and rear L&R p