![]() Designed to meet the needs of value-price acoustic guitars and ukuleles, the Fishman Sonitone Undersaddle Pickup features a soundhole mounted preamp with rotary controls for Volume and Tone. ![]() Thanks Terry Allan Hall Members 15. I pulled them to see the values: the volume pot has 3500k stamped on it, and the tone pot has A500k stamped on it as well as a green resistor (2A202J). If you simply must have a preamp, the one you linked to will work, but it's got a lot of gain (26dB!), so you'll have to keep the input level fairly low (especially if you're going to use a single 9V battery), or you'll overdrive the opamp, and that clipping isn't very pretty, even using a JFET input chip like the TL072. SONITONE The Fishman Sonitone Acoustic Guitar Pickup is an undersaddle piezo pickup for the bridge position. Its got a piezo pickup under the bridge that goes out to a passive volume and tone pot. ![]() I've got a vero layout that's fairly small, if anybody's interested. That mint-box buffer is almost ideal for this application - this one might be a little better (but only marginally so - it will drive a load as low as 1k though):īTW, this buffer will work great for adding passive pickups to an EMG setup too, you'll just need one for each passive pickup. A simple voltage follower will probably give you all you need, not to mention avoiding the problems with headroom that can result from running a hot signal into a preamp with a lot of gain. It doesn't sound to me like you need a preamp - 500mV (1/2V) is pretty stout, even for a tap transient. I ask because most of the guitars like this that I see have volume and tone controls for the magnetic pickups, but only a volume control for the Piezos.
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