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6BQ6-GTB as cheap EL34 sub
On Dec 6, 5:27*pm, Fu Knee wrote:
Hi Rats! I did it *Had to wire the top cap to Pin 3, and add 250R to each cathode bias, as the plates glowed dull red, before. Gee, Al, that's the sweetest sound, when the plates grow dull red, shading over to bright orange. It's just dull engineers who worry about MTBF. The ultrafidelista run 'em high and hot. What a hobby! Seriously, some of the best balanced sound I ever heard came out of Svetlana SV572-3 and -10, whose *natural* state of operation is white- hot. Happy Ears! Al Marcy Happy memories. Andre Jute Visit Jute on Amps at http://www.audio-talk.co.uk/fiultra/ "wonderfully well written and reasoned information for the tube audio constructor" John Broskie TubeCAD & GlassWare "an unbelievably comprehensive web site containing vital gems of wisdom" Stuart Perry Hi-Fi News & Record Review |
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