[sdiy] The sound of various Op-Amps

[Darren Landrum]

I've noticed that the 5532 and 5534 op amps are very popular in mic preamp
applications in the pro-audio world (something else I'm getting into
DIYing). The low-input-impedance thing explains why, really.

-- Darren


> RE: 5532
>
> The 5532 is best suited for really low input impedance... maybe 1K
> would be optimal and 10K an outside limit.  Higher than that...all your
> low-noise benefits fade away.
>
> It also has pretty poor offset voltage, which means in high gain
> applications
> you better use it as an AC amplifier only.  I tried a DC coupled amp
> ONCE and found that once I reached the gain I wanted... the output
> offset was in VOLTS.
>
> Its a great preamp imho...  for higher impedances the TL07x will kick
> its butt.
>
> H^) harry