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Valve amp volume control implementation.
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19-10-2023, 07:45 AM
(This post was last modified: 19-10-2023, 07:46 AM by Mike Watterson.)
The grid resistor is so the grid is still at 0V if the pot momentarily goes open circuit as it's moved, or to change the approximate log law (depending on value). The resistance at the grid can be 0 ohms to maybe 10 M Ohms with no change to the bias.
There is no problem with the circuit. |
| Messages In This Thread |
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Valve amp volume control implementation. - by Diabolical Artificer - 21-09-2018, 05:08 PM
RE: Valve amp volume control implementation. - by ppppenguin - 21-09-2018, 05:15 PM
RE: Valve amp volume control implementation. - by Murphyv310 - 21-09-2018, 07:12 PM
RE: Valve amp volume control implementation. - by Diabolical Artificer - 22-09-2018, 08:01 AM
RE: Valve amp volume control implementation. - by ppppenguin - 22-09-2018, 08:24 AM
RE: Valve amp volume control implementation. - by Murphyv310 - 22-09-2018, 09:01 AM
RE: Valve amp volume control implementation. - by Diabolical Artificer - 29-09-2018, 05:58 AM
RE: Valve amp volume control implementation. - by Jez - 18-10-2023, 11:31 PM
RE: Valve amp volume control implementation. - by Kalee20 - 19-10-2023, 03:50 AM
RE: Valve amp volume control implementation. - by Mike Watterson - 19-10-2023, 07:45 AM
RE: Valve amp volume control implementation. - by Murphyv310 - 19-10-2023, 08:52 AM
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