Try it if you have bad FB, you might be surprised. I'd guess guitar luthiers would reject the idea as folly. for those that may think it a rather non professional fix up, Violin luthiers are known to use a post to reduce resonance between the face and back, moving it around to find the sweet spot. As it's only wedged in place the mod is usually reversible. Regarding low freq FB I've found that a central post wedged between bridge and back can help in some instruments, A case of suck it and see if it helps. The early bug type transducers did tend to suffer bass loss without really hi Z, like 10meg. Past 2meg is just asking for low freq FB issues, especially on large body guitars. I've found that most of the bridge under saddle transducers don't need excessively high Z preamp inputs. You may need to experiment with a few circuits to find a happy solution. As can be seen here the LR Baggs output is almost half of the Morris and quite different curves. The output signal strength as well as the response cuves vary a lot. My Preamp circuit is a copy of an old Morris preamp with a couple of slight mods to fix the excess bandwidth which is a common issue for Piezo pickups.Īctive Piezo's are a brilliant idea but the outputs are often very different. This Screen shot is an A/B comparison of the 2 circuits output curves. I've just been running some tests of the LR Baggs circuit as well as something I built a few weeks back to fix a friends guitar which had a dead preamp module.
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