SynthMaker

Guitar Amp revisited

Archive · 2012 5 old posts

From the original SynthMaker forum (2004–2014), with its members’ names and dates.

acg2010 ·

I am working on revising my guitar amp project listed here: Guitar Amp I am trying to add a "Presence" knob adjustment but having trouble implementing it. I am not a guitar player, but from what I have read, the presence knob on a guitar amp adds more or higher frequency treble to the sound. One way to do this is with the Fender "negative feed back loop". I have tried several times to create this but all have failed and usually result in a feed back tone that locks up the amp. My current attempt is just using the parametric EQ. The problem is, I am not surewhere in the sound flow to tap into and where to feed it back in. Here is how I have it set up as a test below. I know I would need to pick appropriate frequencies and connect a knob in the EQs to make it work. However, if someone could point me in the right direction without giving up any secrets, I would appreciate it.

acg2010 ·

To test the amp, I downloaded a midi audio track, imported it into my DAW, let the default vst select the sounds, then cut out everything except the lead guitar track. I then rendered it without the amp, and then with. That way, I had a good dry audio track to start with.

acg2010 ·

New version below. Uses better reverb module (not sure who), knobs from peppermint's collections, sambean's FIR filter, a simple skin made in Skinman, and other bits and pieces.

Anyone willing to try it out and give some feed back?

The osm also has the stock wave player, vsti, and analysis tools for testing. The "Brightness" needs more work, gives it a very tinney sound. Pack/unpack could be used is several places and knobs need better scaling (log maybe?). Doesn't necessarily behave like true guitar amp (volume does not affect tone). Probably needs lots of tweaking but I wanted to make sure it was even remotely like a guitar amp before continuing.

-Ph DJ

Xtinct ·

Should relabel brightness as tinitus 😉 but overall nice and clean without sounding too digital 😀 ( need a thumbs up smiley ) Look forward to any updates.

acg2010 ·

Thanks Xtinct for the input and trying the amp out. The "Brightness" control was originally going to be my attempt at "presence" but I used the FIR filter instead and toyed around the the EQs originally set up for the Presence. Will continue working on it.

-Ph DJ

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