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[Anatoliy Lisovskiy]

Bob Leonard wrote on Wed, 17 September 2008 07:46

It might have had a place with pro sound in 1965, but in my opinion not now. And let's not kid ourselves. Russian tubes are cheap because the quality is for the most part inferior. You may want to try a home stereo site for your marketing survey.

Probably you mean Russian 6P3S that are clones of American 6L6G: yes, for Fender amps that abused tubes there were made special robust 6L6GC versions, so Russian 6P3S tubes are weak in American guitar amps designed for 6L6GC.

But my amp uses Russian military tubes GU-50 with nickel anodes that are rated for 40W dissipation each (they are highly underpowered in my amp for longer life and lower distortions), and survive even when getting red. Originally they were developed by Telefunken for German army. German quality was always the top one.

Speaking of pro sound in 1965, such voltage regulators that available today due to modern MOSFETs would be way above budget on monitoring amps for any studio. Today it is affordable, so during real gigs when powers falls down to 190V on peaks the amp continues working flawlessly.

[Dave Dermont]

Anatoliy Lisovskiy wrote on Wed, 17 September 2008 13:16

Ivan Beaver wrote on Wed, 17 September 2008 06:50 What size concerts do you plan on that would use an 80W/ch amp? It was the only amp on a folk festival on campground, approximately 2000 listeners. It subjectively sounded cleaner and louder than a 2x200W transistor amp we tried with the same line arrays. I suppose because transistor amp had to be driven much lower because of nasty clipping on peaks, while this beast contain optical compressors that guarantee no clipping on any input.

Anatoliy,

Few people on this forum will take your above comments very seriously.

Perhaps you are familiar with the words "Esoteric Hi-Fi  Snake Oil Bullshit"?

Also, there is a difference between 2000 people in a campground, and a concert with 2000 listeners. Most on this forum know this difference.

And another thing...

what part of "manufacturers are not supposed to use these forums for research or promotion." do you have trouble understanding?

Have a nice day.