[ARC5] 6AC7 tubes?

Scott Robinson spr at earthlink.net
Tue Oct 22 11:33:27 EDT 2019


Well, the Hallicrafters SX-28 uses 6AB7 as an RF amp; 6AB7 is remote 
cutoff for use with AVC; 6AC7 is sharp cutoff and has a Gm of 9,000 
uMhos and so will have low self-noise.

FWIW,

/scott


On 10/21/19 10:12 PM, hwhall at compuserve.com wrote:
> Is there any interest in 6AC7 tubes? I keep passing up a bunch that are 
> probably old stock in boxes because they don't seem to get any interest 
> at Ebay or elsewhere.  Should I buy some of these for anyone in the 
> Mailman radio groups?
> 
> Thanks,
> 
> Wayne
> WB4OGM
> 
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