-40%
General Electric 6550 /KT88 Power Tetrodes x 2, - Made in the USA, NOS RARE

General Electric 6550 /KT88 Power Tetrodes x 2, - Made in the USA, NOS RARE

$ 89.76

  • Brand: General Electric
  • Country/Region of Manufacture: United States
  • MPN: Does not apply
  • Model: 6550A
  • Seller Notes: “New Old Stock, JAN specification, Tested, Closely matched.”
  • Type: Power Tubes
  • UPC: Does not apply
  • gtin13: Does not apply

Description

General Electric 6550 /KT88 Power Tetrodes x 2, - Made in the USA, NOS RARE General Electric 6550 /KT88 Power Tetrodes x 2, - Made in the USA, NOS RARE Click images to enlarge Description General Electric 6550 Power Tetrodes- NOS Closely matched. QUAD SET General Electric Audio Output Power Tetrodes -USED Test strong Your bidding on x 2, General Electric, Military Spec JAN 6550 Power Tetrodes - New Old Stock. Made in USA the 6550 Power Tetrodes. Dated 10 month, 82, Both have three-getters. The 6550A can be considered ( in my way of thinking ) the little brother of the KT88, in many cases a direct replacement. Both have been tested on my AVO 163 under the following conditions Vf=6.3v, Vg=-16.5v, Va=400v, Vs=225v, Tube1) Ip=100mA, gm=9.5mA/V, Tube2) Ip=98mA, gm=9.0mA/V. A new tube should measure around Ip= 87mA, gm 9.0mA/V. Will ship anywhere in the world at buyer's expense. Please check out my other auctions for early vintage quality audio tubes. NO RESERVE-small starting bid Images sell! Get Supersized Images & Free Image Hosting Create your brand with Auctiva's Customizable Templates. Attention Sellers - Get Templates Image Hosting, Scheduling at Auctiva.com. Track Page Views With Auctiva's Counter