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Old 03-26-2015, 12:53 PM
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DavGoodlin DavGoodlin is offline
Motorola Minion
 
Join Date: Aug 2011
Location: near Strasburg PA
Posts: 3,504
I have a Radiola 100 speaker on my AK30, its one of those high-impedance paper cone types.
I was able to improve the HF response by varying the C-voltage and grid leak resistor.
Changing tubes did not seem to make much difference in mine either.

What is in your Peerless speaker?
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