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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Re: "A serious design mistake" - Are you sure? posted by Mahatma Kane Jeeves on February 17, 2006 at 10:36:09:
Hi.Nearly most commercial brandname pre-amps built in the 50s are integrated with tone-cotrols, loudness & mono-stereo switches, e.g. Dynaco, Fisher, etc.
But this design comes out so simple that raises my eyebrows. RCA published this beautifully simple schematic, IMO, as an application design for its 7025 low noise hi-mu tubes.
Back in those good old days, who would buy a preamp W/O separate
bass & treble contols? This was the market trend back then to pack the amp with all the knobs & gadgets. The outcome is aweful sound relative to today's straight-line w/o gain concept.Anyway, guess what I would make it more simplified, so as to make it sound even better.
I have already done such upgrade with my stock Dynaco PS-2 (1950s)
using similar simplification & proven it very promising as compared sonically to hi-end brandname phonostages of current designs.c-J
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Follow Ups
- No, this beauty was NOT for mass consumers market. - cheap-Jack 14:41:35 02/17/06 (1)
- Re: preamps versus mass market - Mahatma Kane Jeeves 16:29:50 02/17/06 (0)
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