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

 

This auction is for one 16 ohm , JBL 2441 compression driver. The serial number is 21814. I bench tested it with a sine sweep and amplifier and it is perfect functionally. It was painted brown to matc

 

Pair NOS TUNG-SOL 6J7GT VT-91A (=348A) Metal Base Audio Tubes Made in USA by TUNG-SOL You are bidding on a Pair NOS TUNG-SOL 6J7GT VT-91A (=348A) Metal Base Audio Tubes in excellent working condition.

 

NO SHIPPING TO GERMANY !!!KEIN VERSAND NACH DEUTSCHLAND !!!EXCUSE ME PLEASE GERMANY CUSTOMERs,BUT WE HAD TOO MUCH PROBLEMs with GERMANY DELIVERY in last 6 Month !!!We have DELIVERY TIME PROBLEMs --- G

 

USED TESTED 27b TWO 6SN7 G.E. TUBES BLACK PLATE BOTTOM RECTANGULAR D GETTER MADE IN CANADA TUBES HAVE BEEN TESTED ON A B&K 707 !THANKS FOR LOOKING! WE WILL COMBINE SHIPPING,THE ONLY EXTRA CHARGE W

 

This auction is for a lot of 182 vintage cell phones (mostly Motorola IDEN cell phones). Most of these phones are ether brand new or factory refurbished. Perfect for a collection because they don’t

 

Description Buy-It-Now items please click here. Double-Side Prototype Board, Lot of 20 PCS( 4 types, each 5 PCS ).Grid : 0.1" (2.54mm). Thickness : 1.6mm.Hole diameter : 0.9mm.Material : FR-4 (glass f

 

Radofin Model 1710 Calculator I am selling a Radofin Model 1710. The calculator is in good shape. The pen does write. It takes 6 AAA batteries not included to operate.The calculator shown is the one y

 

PUCKHOGGER85 Store HUGE LOT OF 50 PLUS RADIO VACUUM TUBES NO. 44,35/51 6BY5 MANY MORE PART OF A LARGE COLLECTION OF ANTIQUE RADIO TUBES AND RADIOS WE ARE SELLING THIS MONTH THESE ARE PART OF AN ESTATE

 

DESCRIPTION: Up for selling is NOS EL34 - 6CA7 power pentode tube. This "RFT" is made in Germany in the early 60's - the so-called "coin" base (short) which is very early production. Actually these ar