Hi,
Inspired by the Voix du Luthier, I want to build my own instrument amplifier using audio exciters and a wood panel and I'm looking for guidance. I plan on using two 40w Dayton Audio exciters. I want to build the preamp myself and will likely use a class D power amp module. I'll be playing electric and acoustic guitar, synths, drum machines, possibly bass through the amp. Ideally it will be loud enough to play with a considerate drummer (say as loud as a princeton reverb)
I imagine the signal flow will look like this:
Input buffer -> Preamp -> resonant sweepable HPF and LPF -> Power amp module
The input buffer is there to accommodate hi-z and line level instruments. The preamp is for initial tone shaping. The two filters are important because they can be dialed in to approximate the frequency response of a guitar speaker or used for further creative tone shaping. This then flows into the power amp module
A few questions:
Any thing else I should take into consideration? Thanks for any help you can offer!
Inspired by the Voix du Luthier, I want to build my own instrument amplifier using audio exciters and a wood panel and I'm looking for guidance. I plan on using two 40w Dayton Audio exciters. I want to build the preamp myself and will likely use a class D power amp module. I'll be playing electric and acoustic guitar, synths, drum machines, possibly bass through the amp. Ideally it will be loud enough to play with a considerate drummer (say as loud as a princeton reverb)
I imagine the signal flow will look like this:
Input buffer -> Preamp -> resonant sweepable HPF and LPF -> Power amp module
The input buffer is there to accommodate hi-z and line level instruments. The preamp is for initial tone shaping. The two filters are important because they can be dialed in to approximate the frequency response of a guitar speaker or used for further creative tone shaping. This then flows into the power amp module
A few questions:
- Does a preamp differ from a tone stack? Can I build a 3-band fender tone stack and consider it my complete pre amp stage or is there more to it than that?
- Any recommendations for a solid state preamp stage for this project?
- Does the order of my HPF and LPF filters matter?
- I'm considering the ICEpower 50ASX2SE as my power amp, is this overkill for my project? It's expensive but I am most concerned with reliability. Any other suitable and more affordable replacements?
Any thing else I should take into consideration? Thanks for any help you can offer!
Cool, I understand the preamp a lot better now. Still looking for the right circuit but this will take a lot of experimenting, same with the filters.
I've actually pivoted the power amp to the Wondom AA-JA32173, that's their 2 x 50w amp with the JAB3+ chip. The DSP, battery power, line out, bluetooth and ability to sync another amp have me convinced unless someone here has a reason to choose otherwise.
I'm looking at the Meanwell Lrs150 power supply to power the Wondom amp and battery pack. Will this work?
https://www.meanwell.com/productPdf.aspx?i=420
I've actually pivoted the power amp to the Wondom AA-JA32173, that's their 2 x 50w amp with the JAB3+ chip. The DSP, battery power, line out, bluetooth and ability to sync another amp have me convinced unless someone here has a reason to choose otherwise.
I'm looking at the Meanwell Lrs150 power supply to power the Wondom amp and battery pack. Will this work?
https://www.meanwell.com/productPdf.aspx?i=420