Vintage Harman Kardon HK-17 preamplifier in good cosmetic condition, serviced, cleaned and ready to sing for your ears. Zero static, scratchy sounds and no issues with either channels. Some controls c

 

TELEFUNKEN VACUUM TUBE TYPE ECC-83 / 12AX7 RIBBED PLATES IN BOX TEST GOOD MADE IN GERMANY .MAY BE NOS

 

Good Day to you and thanks for stopping by. Please read description carefully. Up for auction today we have a vintage HH Scott LK48 Integrated Stereo Amplifier. Amp is in good working order and is unt

 

This auction is for one Ken Rad 6SN7GT tube, but you will receive two tubes. Both tubes test more than 80% output on both triodes on my tube tester, but the second tube has a rattle inside the envelop

 

Pioneer CT-F950 In very good working and cosmetic condition. Near perfect OEM operating instructions included. On Feb-10-13 at 08:49:48 PST, seller added the following information: NO RESERVE!

 

The auction is for a Russian triode GM-70 with copper plate. Manufactured in 1981. The tube looks in new condition like never used. . Airmail shipping worldwide usually takes 7 to 10 days if not delay

 

Here is a quad of used Amperex Bugle Boy 12AU7 tubes. They test good on my on my B&K 707 tube tester with no gas or shorts..Due to past experiences with buyers plugging new tubes into broken ampli

 

You are buying on 2 NOS 1955 RAYTHEON CK761 2N113...CK760 2N112 RF amplifiers germanium PNP transistor. Guarantee there performance, Long legs..Never soldered extremely rare, and very collectible. Che

 

Pioneer Stereo Amplifier - Model SA- 9500 II Came from working environment church sound system Pleasenot the knob is missing from the Mode control and the spindle is broken otherwise functional.

 

Factory assembled. Works beautifully. I am not sure the attenuation knob on the end is factory. At one time someone poorly mounted some RCA jacks on the housing so there light damage to the metal scre