Akai - Overdrive  [schematic]

All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.
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apollomusicservice
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Post by apollomusicservice »

Akai Overdrive with easy changeable op amp ic.
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Akai Overdrive.png
01.jpg
02.jpg

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apollomusicservice
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Post by apollomusicservice »

Means nothing, but I made measurement with three different op amps at minimum and maximum gain. Tone pot: minimum-blue, 12 o'clock-red, maximum-green. Bode plot of the Frequency-Response
Attachments
JRC4558DD drive minimum
JRC4558DD drive minimum
tone JRC4558DD.png (4.83 KiB) Viewed 740 times
NE5532 drive minimum
NE5532 drive minimum
tone NE5532.png (4.98 KiB) Viewed 740 times
TL072CN drive minimum
TL072CN drive minimum
tone TL072CN.png (4.88 KiB) Viewed 740 times
JRC4558DD drive maximum
JRC4558DD drive maximum
tone JRC4558DD.png (5.21 KiB) Viewed 740 times
NE5532 drive maximum
NE5532 drive maximum
tone NE5532.png (5.3 KiB) Viewed 740 times
TL072CN drive maximum
TL072CN drive maximum
tone TL072CN.png (5.22 KiB) Viewed 740 times

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