I thought I'd model both the PF10 and PF15 pre-amp stages in LTspice to see how they compared. The PF15R (with reverb) is quite a bit different after the first two opamp stages. ![]() I found schematics for both the PF15 and the PF15R online, and saw that there were a lot of similarities between the PF10 and the PF15, particularly the earlier non-reverb PF15. I'd been considering doing some of these, but whilst researching the subject, I discovered that the currently out of production (as at Nov '18) Pathfinder 15/15R generally receives a lot more love than the Pathfinder 10. There are quite simple modifications that can be done to this amplifier to remove the clipping LED's and increase the boost of the clean channel (check out Ben Craven's mods for details). ![]() It's a great little amplifier, but I don't care for the distortion channel, it just sounds harsh to my ears. ![]() I've got a Vox Pathfinder 10 amplifier that I bought a couple of years ago, and I love it.
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