ccw3432 wrote:I gave it a try Jon. We're going a little off topic on this thread but it's good stuff and anyone can reel it back in at any time if we're getting too far out there. So I tried the SMS directly into the HRD amp. It sounded really good at low volumes. It broke up pretty quickly as I increased the volume but no more than the HRD does when used as a stand-alone. I liked the tone and it's definitely getting into the J zone in the lower volumes, but there's not a lot of headroom. It sounds pretty nice when it's just starting to break up too. I can hear the characteristics of the HRD tube amp in there but it sounds nice. It's just a little bouncier with rounded edges than the Mac if that makes sense. The HRD is a good amp but it's not a clean machine when you start turning it up. That's part of what I like about it for some music styles. Maybe different tube choices or some mods would change that. It's nothing like a Twin of course for clean headroom and I haven't had much experience with a Deluxe Reverb but would be very interested to know how it comapres to the HRD for headroom. I realize we're not exactly comparing like items here but I think these comparisons are still interesting and helpful for the neverending tone quest. Chris
Jon S. wrote:
(2) Replace your 12AX7 V1 preamp tube with a slightly lower gain 5771.
(3) Replace your 12AX7 phase inverter tube with a 12AT7.
http://www.guitaramplifierblueprinting. ... verter.pdf
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