These are good questions which I don't personally have the answer to yet. Did I miss anything?Īlso, what sort of coloration do the pickups provide? Plenty of ins and outs for mixer feeds, etc. Radstringz wrote:Just wonderin', but what are the requirements for a good sounding acoustic instrument amp? Would it be something like a hifi amp, with clean, flat, PA frequency response? Ultralinear taps for screen supply? I guess a versatile EQ is a must. Flat in the centers, but with boost and cut for feedback control. One neat idea for someone planning on building a tube acoustic amp might be to use the late Fred Nachbaur's boost/cut- hi/mid/low arrangement from his tube mic preamp (he used to have a site called Dogstar Music). It works very well with piezo pickups.Īurora's correct in that most of the acoustic amp schematics I've seen generally use the same tone stack for the instrument as for the mic- in other words, flat frequency response. I built an acoustic preamp using the '59 Bassman as a basis but with a "depth" control at the first stage to control low frequencies. I had to migrate to acoustic amplification after Bluegrass, Traditional and Acoustic Folk moved into our region and killed Rock and most Blues (hopefully not permanently). I know I saw a schematic for it floating around on a European site. I believe Rivera had a valve amp for acoustics called the Sedona or something similar. I've been under the weather lately, but will try to scan and upload it in the next couple of days. It's solid state of course, but has a very good notch filter. I have the service schematic for the Peavey Ecoustic 112 amplifier.
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