isochronism....i have chalice audio 'grail' SET monoblocks...chaliceaudio.com...the 300B tubes..1 each amp..are the driver tubes in this configuration...( see pic in my 'system' area)..the 'royal princess' tubes are not cheap...~ $ 1200 / matched pair...but they are much better then the sophia 'princess' tubes they replaced and worth the price..hope this helps..dave
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- 14 posts total
- 14 posts total