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Tele-phone man · August 2nd, 2007, 10:27 PM

I have to agree that the reverb on the HRD amps sucks. Stupid amounts of "BOING" on transients. The Peavey Bandit reverb has less "BOING" than the HRD, for cryin' out loud. For this reason, I would say that the poor sound of the HRD reverb is due more to lousy design than to the fact that it is op-amp driven. All else being equal, just like you I prefer a tube-driven reverb circuit. Reverb send and return circuits need LOTS of headroom, and op-amps just can't keep up with tubes in this respect.
I also agree that the drive circuit in the HRD, while all-tube, is just not very pleasant. It's a really screwy design. I also hated the linear master volume control. This was why I made so many changes to my HRDlx back when I had it.
http://studentweb.eku.edu/justin_holton/
See the VandenBerg mods on this link. That's me.

August 2nd, 2007, 10:27 PM	#56 (permalink)
Tele-phone man TDPRI Member Join Date: Sep 2006 Location: Asheville, NC Age: 45 Posts: 67	I have to agree that the reverb on the HRD amps sucks. Stupid amounts of "BOING" on transients. The Peavey Bandit reverb has less "BOING" than the HRD, for cryin' out loud. For this reason, I would say that the poor sound of the HRD reverb is due more to lousy design than to the fact that it is op-amp driven. All else being equal, just like you I prefer a tube-driven reverb circuit. Reverb send and return circuits need LOTS of headroom, and op-amps just can't keep up with tubes in this respect. I also agree that the drive circuit in the HRD, while all-tube, is just not very pleasant. It's a really screwy design. I also hated the linear master volume control. This was why I made so many changes to my HRDlx back when I had it. http://studentweb.eku.edu/justin_holton/ See the VandenBerg mods on this link. That's me.