Ashly CL50 MODS.
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PSU MoD: - Add heatsinks to the regulators.
- Replace 1000uf power supply caps with 2200uf 35v caps (516D228M035QS6AE3)
- Bypass those caps with .1u film caps
- Bypass the V+ and V- with .1u film caps

IC MoD: - Replace chips 201 (IO board) and IC2 (Main board) with better ic's (NE5532, OPA2132, opa2134, OPA2107, LT1358, or LME49860NA (My fav))
- Replace the VCA with a THAT 2180AL08-U (lift pin 4, pin 4 should not connect to anything)
- Add .1uf film caps to the IC's for stabalization.

Capacitor/resistor MoD: - Replace c1, c2, c3, c4, and c10 with 47u 35v bipolar panasonic caps (ECE-A1VN470U)
- Bypass those caps with .47u film caps
- Replace Resistors r202, r210, and r11 with 10k metal film equivalents
- Replace Resistors r2 and r22 with 100r metal film equivalents
- Replace Resistor r15 with a 3.3k metal film resistor and r16 with a 1k metal film resistor
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Disclaimer: I encourage people to DIY and I'm here in a informative role.
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Here are some pictures from some mods.
HERE!!! https://www.facebook.com/media/set/?set=a.566612136765790.1073741835.478520652241606&type=1&l=ff1646c994

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ModDefecation is about making equipment sound better, providing knowledge and support, repairing that awesome piece of gear, and custom builds. Send me you questions or Ideas.