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11-06-2018, 10:47 PM
Hi Greg
If the Power Scale is set to a low level, the MV or DriveComp have to be adjusted accordingly to maintain the cranked tone. If this was a combo amp, there will be issues achieving a quiet tone that is "full".
Depending on the MV used, most have limitations of tone versus sweep. TUT shows a simple amendment to make the traditional MV much more even in this respect. The LP-MV shown in the kit notes for SV1 is essentially transparent. However, depending on what specific circuit demands were in place by the player, things can be made a bit difficult.
When a customer wants an amp built for a certain tone, he should leave it up to the builder to decide on parts and circuits. Most players are too ignorant of electronic methods to feel anyway justified in dictating circuit parameters beyond how it should sound.
Apart from that, in conventional circuits there is no difference installing Power Scaling in a low-watt amp versus a high-watt amp as far as the range of loudness sweep and the ability to retain cranked tone. For example, Mark Stephenson's 1W Stage Hog is Power Scaled because it can be too loud when played directly through a cabinet, and it dials down very smoothly. At the other extreme, my old 700W Spectrum was Power Scaled and could play at a whisper. That was the amp I developed the optical regulator for, due to the very high voltages.
If the Power Scale is set to a low level, the MV or DriveComp have to be adjusted accordingly to maintain the cranked tone. If this was a combo amp, there will be issues achieving a quiet tone that is "full".
Depending on the MV used, most have limitations of tone versus sweep. TUT shows a simple amendment to make the traditional MV much more even in this respect. The LP-MV shown in the kit notes for SV1 is essentially transparent. However, depending on what specific circuit demands were in place by the player, things can be made a bit difficult.
When a customer wants an amp built for a certain tone, he should leave it up to the builder to decide on parts and circuits. Most players are too ignorant of electronic methods to feel anyway justified in dictating circuit parameters beyond how it should sound.
Apart from that, in conventional circuits there is no difference installing Power Scaling in a low-watt amp versus a high-watt amp as far as the range of loudness sweep and the ability to retain cranked tone. For example, Mark Stephenson's 1W Stage Hog is Power Scaled because it can be too loud when played directly through a cabinet, and it dials down very smoothly. At the other extreme, my old 700W Spectrum was Power Scaled and could play at a whisper. That was the amp I developed the optical regulator for, due to the very high voltages.
