Adcom GFA 555 power amp plus GFP 565 Preamp. Ran the amp and preamp hard for the last week. I did not test the GFS-6 speaker switch. Used my Lab 400 direct drive to test phono input and played all 4 s

 

Up for auction ONLY is a CROWN PRO 800 Series REEL TO REEL MODEL SX 824 TAPE RECORDER STUDIO EQUIPMENT.  In excellent vintage condition and comes with everything you see in pictures.  One small dam

 

MATCHED QUAD RCA 12AU7A CLEAR TOP vintage electron tubes made in USA. THESE TUBES TEST WELL AT OVER 100% OF NOS, AND WERE CHECKED ON TWO SEPARATE TESTERS FOR VERIFICATION. EACH TUBE TEST WITHIN 2% OF

 

Up for auction is a like new quad of the latest re-issue Mullard EL34 power tubes. I bought these tubes and used them for about 2 weeks in my amp, but decided to go with a different set as these just

 

TUNG-SOL 5881 TUBE DATE CODE: 3226217-3 DARK BROWN BASE 6 PIN MADE IN U.S.A. Condition is unknown. Used? Un-Tested.Check out my other items!THANK YOU & HAVE A GREAT DAY!!!

 

3 GE 5670 vacuum tubes test really strongThey all have 2 mica insulators and black plates.They all have 50's date codes. I got these tubes from an engineering friend. He was very picky about marking t

 

excellent + condition will ship worldwide Paypal email with questions

 

0 0 0 0 0 0 This amplifier was built into a homemade walnut plywood cabinet (9”x9”x17”) It has been stored in a garage for years. Since I am not very knowledgeable about electronics all I have d

 

3 7025 NOS TUBES WITH MATCHING CODES. 2 NON MATCHING SOLD AS IS I HAVE NO WAY TO TEST THEM.

 

Rare ELAC Miraphon 10 Elac turntable in a wooden cabinet with tonearm works This auction is for a vintage ELAC Miraphone in perfect working condition, the wood cabinet have some using points of the ag