[Boatanchors] 6146 folklore

AI2Q ai2q at adelphia.net
Thu Jul 15 09:49:20 EDT 2004


For your reference, the 1959 ARRL Handbook shows a 6146 modulator on page
277. The article shows three points of operation at 75-W, 95-W, and 120-W,
with plate voltage and load resistance specs for each.

Vy 73, AI2Q, Alex in Kennebunk, Maine
http://users.adelphia.net/~alexmm/ai2q.htm

 .-.-.



-----Original Message-----
From: boatanchors-bounces at mailman.qth.net
[mailto:boatanchors-bounces at mailman.qth.net]On Behalf Of Brian Clarke
Sent: Thursday, July 15, 2004 6:21 AM
To: CLIVE COLLINS
Cc: boatanchors at qth.net
Subject: Re: [Boatanchors] 6146 folklore


Evenin' Clive,

I should have been more direct.

I recall that RCA put out many App Notes re use of 6L6s and 6CA7s in various
amplifiers and GE did the same for the KT family; not sure whether Philips
did for EL34s, but Fender, Marshall and Peavey certainly use many of them in
their stage stuff. What I was REALLY hoping to squeeze out of the woodwork
was some app notes on the 6146 family, eg, distortion vs bias and bias
mentality; Raa vs Vcc, Vg1 and Vg2; use in ultra-linear designs; performance
under different levels of feedback; problems with pp parallel designs; need
for grid and anode stoppers; hum bleed-through from heaters; etc.

Yes, I've used 6080s, 807s and 1625s in audio amplifiers for stage work,
too, but not 6146s.

Any links gratefully recieved.

73 de Brian, VK2GCE.



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