ECM
100+ Head-Fier
- Joined
- Jan 9, 2004
- Posts
- 175
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- 23
What's the gain on the HPA-2? The Grado RA-1 has a gain of around 5.
How will you modify the amp if it has the metal cover on the circuit board? Is it removable?
How will you modify the amp if it has the metal cover on the circuit board? Is it removable?