DBX 163 Mods
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Tools needed: 3/32 allen wrench, #2 phillips screwdriver

PSU MoD: - Add heatsinks to the regulators.
- Replace c28, and c29 with 1000uf 25v caps (516D228M035QS6AE3)
- Replace c30 and c31 with a .1uf film cap
- Bypass the V+ and V- with .1u film caps

IC MoD: - Replace chip OA1 with better ic (NE5532, OPA2132, opa2134, OPA2107, LT1358, or LME49860NA (My fav)) and install a gold plated ic socket.
- Repalce chip OA2 with better ic (LME49710NA, OPA134, OPA602, opa627, or LT1357) and install a gold plated ic socket.
- Add a 10pf cap from pin 1 to pin 2 on OA1
- Replace the VCA with a THAT 2180AL08-U (lift pin 4, pin 4 should not connect to anything)

Capacitor/resistor MoD: - Remove c1, and c2. Add a wire with a ferrite bead in place of c2.
- Replace c5 with a 22uf 35v bipolar panasonic cap (ECE-A1VN220U)
- Bypass that with a .22uf film cap
- Remove c7
- Replace c3, c4, c8, c9, c10, c11, c18, and c19 with .1uf film caps
- Replace c24 and c25 with a .01uf film cap
- Replace r1 and r5 with a 1k metal film
- Replace r2 with a 100k metal film
- Remove r9 and r10
- Replace r16 with a 22ohm metal film

IC Optional MoD: - Replace chips OA3 and OA4 with gold plated ic sockets and a better ic like a LT1124 or LME49860NA.
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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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