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Original Message
RE: Low plate resistance vs. reputation for 'good tone".
Posted by GTCharlie on November 17, 2010 at 02:48:08:
parallel to Ian's experience. Years ago some guys experimented with various driver/exciter for a 1kw TV transmitter. While, a 15w made it work, a 30 watter had better picture quality.
IMHO, choice would depend on need --- one needs just a few mA, and a bit of wiggle and lots of gain for a voltage amp; OTOH, one needs lots of muscle and large voltage swings to drive, say, a 300B. a tube which might be excellent for voltage amp duties might flounder as a driver.
a 1mA, 1M Rp pentode might do very well as voltage amp, but certainly disadvantaged as a driver to a DHT