DATAMATH CALCULATOR MUSEUM sells on eBay MBO FN-8D MBO introduced with the FN-8D one of the most unusual calculator ever manufactured! With only 20 keys - less than some "four bangers" - performs it m

 

Here's a very nice early 1970s Sansui AU-6900 integrated amplifier. 2 phono inputs, 2 tape, tuner, etc. All functions work exactly as expected. All controls and switches (and the pre/power amp switch)

 

BK 6J1 x2 HiFi tube valve Preamp Preamplifier amplifier incl transfor 110V/220VImportant TIPs:about the tube.please do not deep plug it in socket.just plug it in half deep is OK.because the tube easy

 

At auction is one used DBX 14/10 "computerized equalizer/analizer" with original instruction manual. Anyone considering bidding on this unit probably knows what it does. I tested this unit to the best

 

This is a Thorens-manufactured tripping device to add automatic lift of a manual turntable's tonearm at the end of play. Pretty simple really--stick on the base of the turntable (the adhesive backed t

 

UP FOR BID IS A TUBE AMPLIFIER. ITEM IS NOT MARKED. ITEM HAS LINE CORD INTACT, BUT IS UNTESTED. TUBES SHOWN IN PHOTOS ARE INCLUDED. (GENERAL ELECTRIC 12AX7 INCLUDED) PLEASE SEE ALL PHOTOS. ITEM SOLD A

 

Nice chassis for DIY tube amp, has tube sockets and some resistors in place, has cage as well Posted with eBay Mobile

 

Teac X1000R,auto reverse,DBX,excellent condition ,just serviced with new belt,pinch roller & capstan were taken completely apart & cleaned & relubed with silicone grease,heads cleaned &

 

6 pcs Philips EL509 and EL519 high power pentodes This auction is for 3pcs EL509 and 3pcs EL519, all made by Philips. (Yes, Pope is also Philips) -2x EL509 NOS in the box -2x EL519 NOS in the box -1x

 

Nakamichi BX-300 Stereo Cassette Deck As-Is For Parts Or Repair This auction is for a Nakamichi BX-300 stereo cassette deck This high quality deck is loaded with features including a discrete 3 head d