This is an absolutely original, USA made, Harmon Kardon Tube Amplifier Receiver. Probably mid-60's era, Coronet. It belonged to grandma and sat in a beautiful oak console for decades. Has been safely

 

I purchased this tube just a few days ago as I went through a process of trying out different tubes in my microphone. I left the tube in my microphone for about 36 hours with the power on to "burn in"

 

sun_mart Store 6in1 pH °C ORP EC CF TDS Monitor (LED) Descriptions This Newest All-in-One multi-function water quality tester(PHT-028) is the succeeding version of PHT-026. PHT-028 can simultaneously

 

Sounds a little fuzzy when played maybe a tube needs replaced??? Not sure .... Measures approx 12 1/4" x 10 3/8" x 6 1/4" needle intact handle is broken leather Posted with eBay Mobile

 

Vintage Granco Tube Clock Radio For Parts/Repair Up for your consideration is this Vintage Granco Tube Clock Radio Model 605U. When plugged in it does not do anything so it is for parts/repair. It mea

 

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

 

1967 KPFA STUDIO CONCERT BERG BRAHMS SCHONBERG SOHUMANN RADIO MASTER TAPE Size: 10 1/2" from Radio Station Station KPFA FM 94.1 Berkeley CALIF also WBAI & KPFK We recently purchased huge archive o

 

This estate find looks like it was never used, I found it in its original box with paperwork. Comes with all that you see, all of it apoears mint to me. The box, however does not look mint, it has a t

 

Tested. Powers on. FF, Rewind, Play, Stop & Zero Return and VU Meters + luminance All seem to function ok but we weren't able to get any audio sound from it so maybe we just don't know how to get

 

New BH-503 Stereo Bluetooth Headset Headphone Earphone with EU Plug Adapter 100% BRAND NEW! The BH503 - for excellent audio quality, great wearability and laid-back design, lets you lose yourself in t