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Topic: GGG Mini Mixer - Sucking Tone (Read 3459 times)
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kriista
Posts: 12
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Well it's already etched, and I don't think it'll be too hard soldering to the trace side (sockets for opamps being the hardest I would guess).
So any idea on using Burr Brown opamps as far as improved signal path?
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Processaurus
Posts: 2523
Ben Milner
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I've never a/b'd them but I'd bet the increase in performance in this case would be slight... Both are very good at linear amplification, and the gain here is modest. If you're going shopping, and want to get fancy, maybe get a low noise rail to rail opamp for the dual (this would afford an extra volt or two of headroom), and a tl074 for the quad. If you feel like getting the burr browns, just make sure it specifies the model has FET inputs for the quad (for high, guitar friendly input impedance).
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