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Bogen CHB-100 Tweak Suggestions?

Posted by Thrifty Audiophile on November 5, 2002 at 16:22:27:
While considering changing my system to a biamped system, using a
Phase Linear 400 for the lower frequencies and a pair of Bogen CHB-100
amplifiers for the higher frequencies, I'm wondering if anyone has
any suggestions for modifying the CHB-100s. For those not familiar
with these, they each use four 7868 tubes in the output stage and
are rated at 100W (not sure if this is peak or RMS).