harv4914 Store Canon Pocketronic 1971 1st hand held battery calculator with CORD Power source lights up, but could not test further without tape. Sold as is. Looks in great condition. Every buyer gets

 

This auction is for a Ross Mark-400 battery operated reel to reel tape recorder from the 1960's or 70's. This recorder is portable and lightweight (about 3 pounds). It is made to run off (2) C & (

 

Vintage Quad 44 Control Unit Preamp Original Quad 44 "control unit" (preamp), circa 1970s. It powers on and operates, but with a loud hum in the left channel. Otherwise in good working condition, very

 

This Auction is for a pair og Altec Lansing Genuine diaphragms. They measure 7.1 and 7.2 ohm. The diaphragms is perfect without dent or any other damage. They fit on 288, 291 and any 2" Altec driver.

 

Both the Owner's Manual and the Advanced Functions Handbook for the HP 15C in the preferred spiral-bound format. The covers show discoloration that I think is mainly from age. Please look at the pictu

 

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

 

Up for auction is the 1971 50th anniversary edition Lafayette Catalog. Very good condition for 40+ year old catalog.

 

tablecloth_etc store SYLVANIA 5Z3 TUBE I list my items on Sundays, Tuesdays, Wednesdays and Thursdays. Check my auctions often and I am sure you will find what you are looking for. Tubes are tested on

 

This auction is for a pair of used good Taylor type 810 triode transmitting tubes. These tubes test good emission as compared to a new 810 on my home made emission tester. Shipping within the US and o

 

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