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

 

Vintage direct drive linear tracking turntable in excellent condition. Used very little; cosmetically excellent. Includes attached dustcover and user's manual. In original packing box.

 

You are looking at a Like-New Panasonic 8-Track Stereo Record Tape Deck. This deck has been packed away in the closet for many years, along with the other 8-track tapes. I’ve tested all the tapes (w

 

1 NOS Mullard (Great Britan) 6X4 EZ90 rectifier tube tested on a TV7 @ 56/54 min is 40.

 

I don't have a tester to make a GM measurement on these tubes. These were manufactured in May of 42 and were purchased as Military Surplus in the 60's by a friend of mine. These are being sold AS-IS,

 

!!!!!!!GREAT SOUNDING .........RECEIVER...........AMPLIFIER....... very good shape minor scratches on front of inside bazel- not outside (picture #5) marks &scuffs,scrapes on both sides of front s

 

Please be advised that unpaid item cases are automated to open after 3 days without payment. Brand / Model: Mackie M-1400i Power Amplifier Condition: Unit plays sound, however output is staticy. Sold

 

You are looking at special made stereo  amp tube which was manufactured by Sound Explorer, model SL-770. Power tube is RCA VT-62. I include tube RCA VT-62, GE 6SN7, United Electron 76', 5U4G. As you

 

DATAMATH CALCULATOR MUSEUM sells on eBay Texas Instruments TI-54 - NEW-IN-BOX Texas Instruments introduced in 1981 with the TI-54 the first calculator performing complex calculations. The technology i

 

From a lot of recently purchased tubes here are a matched pair of type 6201 JAN 12AT7 tubes made by GE. These tubes test very good on a Sencore TC-162 with readings of 103 & 103 on both tubes.