guyx1992
500+ Head-Fier
- Joined
- Jun 10, 2006
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I'm gonna hear some used RP-21s this Tuesday and I wanted to know if you had any tips about testing these? I'm not talking about SQ, I'm talking about what kind of technical issued can a can have? (see what I did there?
) And how do I check for it?
Thanks!

Thanks!