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

 

Bid is for a single EL84 vintage tube from Philips Miniwatt, produced by Philips Sittard, Netherlandsdate code: rX3/X0BD-getter New NOS in original box never used Tested by Neuberger RPM 370, Ua=250V,

 

Bose 301 Series IV Right Speaker Single. Tested with receiver -- working. Minor scuffs and scratches, some edge wear, would benefit from cleaning. Please see photos for additional details and feel fre

 

Apogee Centaur Speaker Crossover With ASC 20 uf film capacitrors Ohmite Resistors 12 Ga Air core Inductor etc. Up for auction is a very nice collection of quality crossover parts from Apogee Centaur (

 

Hello friends. These original Amperex made by Philips EL34 tubes tested well and matched on a Hickok 800A as seen in pics with results. One tube has a broken locator pin. They sounded sweet in my 1969

 

Please check out my other auctions for more audio gear I'm clearing out.  This auction is for a pair of 1930s RCA MI-4466 field-coil full-range speakers.  Both have good field-coils, but have cone i

 

ECC33 Mullard - 6SN7. A vintage audio tube. Black base, D getter at the side, gray plates. Logo is 85%. Tested on my AVO CT160 tubetester. New value in the AVO manual for this tube is Ia= 9mA and Gm =

 

Return to top | Bid on auction Packages are usually shipped within 3 to 5 business days of payment receipt (excluding Saturday/Sunday/Holidays). Shipping costs for all orders can be determined by the

 

This is the manual for a Heathkit Williamson Type WA-1 amplifier. It is old, stained, and yellowed, but it is still in decent shape. No rip or tears. 32 pages with schematics, parts list, and step by

 

2 Tubes Telefunken EL 84 Tube tested 1 Pentode no <> Mark between Pins _________________________________________________________ All this Tubes are slightly used with Siemens Trademark and teste