From TekWiki
Jump to navigation Jump to search
6ak5 base.gif

The 6AK5 (European equivalent EF95, Russian equivalent 6Ж1П) is an RF pentode with a miniature B7G 7-pin base.

The high-rel version is the 5654/E95F.

It is used in the vertical preamplifier of the 517, 53/54C, CA, G, K, L and Z.

  • Heater: 6.3 V, 0.175 A, indirect

Tek part numbers:

  • 6AK5: 154-0014-00
  • 5654/6AK5W: 154-0206-00
  • 5654/6AK5W: 154-0084-00
Aged/Checked/Matched Pair Details
Used in Tek Part# S/N Range
517 (V102-104 & V501-V512) 157-0002-00 All
? 157-0026-00 N/A
? 157-0027-00 N/A
Type G Plug-in 157-0054-00 All
MPD Scope 157-0058-00 All
Type Z Plug-in 157-0063-00 All
Type CA, K, B, D and S Plug-ins 157-0117-00 All

157-0058-00 is identical to 157-0054-00.

  • 157-0063 - 6AK5 matched for Z at 210V plate, 110V screen, 6.8mA cathode current


Tube aging procedure / Selection and checking procedure