[Amps] tubes in parallel
R.Measures
r at somis.org
Wed Dec 3 06:37:51 EST 2003
>I want to build a grounded grid amp with two triodes in parallel. Would
>there be a problem if there were two separate sets of plate chokes and
>suppressors and glitch resistors and combined the RF output of the tubes
>by connecting both plate coupling caps to a common point at the entrance
>to the pi-network?
* No, but there could be a problem if only one suppressor is used for
two tubes, or there could be a less serious problem if the two
suppressors are allowed to couple to each other. It may not be OK to
ignore C-feedback in a two-tube amplifier since it is double the spec.
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