OK now that I have the correct pictures! Cleaning out the old parts bin and we have a new, never installed 520 PCB part number Q52FSSL. These items are listed in the circuit diagrams as "optional supp

 

For sale is a beautiful and matching quad of Siemens NIB and unused F2A power tubes. All are brand new, with original, older Siemens & Halske boxes and were tested on my Neuberger RPM370 tester wi

 

NEW OLD STOCK RCA OD3 TUBES.These 5 tubes were in my father's basement for years. I don't have a way of testing them, but they sure look brand new. One is in an older box. I give you 14 days to be sur

 

Flagshipaudio store BRAND: Technics MODEL: RS-1500US VOLTAGE: 120 VAC 50-60Hz 160 Watts CONDITION: Used unit has small rub mark from out of round reels on the left side SERIAL #: RG700925 SPECS: 2 Tra

 

BOX IN ORIGINAL RE-SEALABLE PLASTIC SLEEVE. TAPE IN ORIGINAL PLASTIC BAG LABELS UNUSED AS WELL AS BOX. 2500 FT. LENGH - 120 MINUTES BOTH DIRECTIONS AT 7 1/2 IPS. 10 1/2" BLANK TAPE WITH METAL REEL BAC

 

PAIR 6V6GTY Vacuum Tube RAYTHEON Radio Ham audio Amp USA 6v6 GT D Getter Tested RYANMD79 Store

 

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

 

RARE HALLICRAFTERS SX-110 COMMUNICATIONS SHORTWAVE RECEIVER WITH ORIGINAL SPEAKER WORKS FINE ALL ORIGINAL WITH HALICRAFTERS TUBES YOUR ALSO WELCOME TO PICK UP

 

<<<< Click on the pictures to ENLARGE 2 12AT7 VACUUM TUBES 1 GE 1 RCA TEST GOOD NEAR FULL SCALE Up for bid is a LOT OF 2 12AT7 VACUUM TUBES. One GE and 1 RCA. These TESTED GOOD on both sid

 

These have not even been wiped by me. as you can see, the old fella I got them from took pride and care of them. You are Looking at a pair of Heatkit Ua-1 mono tube power amps. these were known to be