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In Reply to: RE: HELP: High impedance load for SET amplifier posted by Chip647 on August 06, 2020 at 06:57:28
Many Thanks!
I will try to do an impedance measurement. Given the outcome would really be a narrow range from 24 to 30 Ohm, do you think that the amplifier would deliver less power via the 16Ohm output...meaning compared with an idealized load (16Ohm). The manufacturers web pages suggest that it would deliver even „more" power...not sure if right.
Follow Ups:
At 30 ohms, and the 16 ohm tap, you will have a little more than half the power available as a 16 ohm load at the 16 ohm tap.
Any transformer mismatch either higher or lower will result in less power.
Dan Santoni
its also likely that the tube will make less distortion since it will be seeing a higher impedance as well.
everywhere except for the LF extremes...there there will likely be a shortage of inductance to drive such LF content into the load.
cheers,
Douglas
Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.
Think of the load line oval at low frequency - the peak current demand depends primarily on the inductive reactance and is relatively insensitive to the resistive part.
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