Full disclosure: I am selling two Jeff Rowland Class D 525 amps but none the less I have a great deal of experience with them:
I have used two Jeff Rowland 525 stereo amps for a few years and really enjoyed them. Like all JRDG work they are gems to behold and are built to exceptional standards. I just retired the little 525's, they were used in bridged mode as low frequency amps for a large system. Very musical, lovely w/ piano tones and they make prodigious low frequencies, especially in the 900w/ bridged mode. What I appreciate about them is the solid billet aluminum casework which is as beautiful as it is functional. I agree that the 535 best the 525 a bit but the entire line is impressive. FYI I now have twin Rowland 625 S2 amps for horizontal bi-amping on a large system.
All in all Jeff's are some of the best in the class amps in the D range.
I have used two Jeff Rowland 525 stereo amps for a few years and really enjoyed them. Like all JRDG work they are gems to behold and are built to exceptional standards. I just retired the little 525's, they were used in bridged mode as low frequency amps for a large system. Very musical, lovely w/ piano tones and they make prodigious low frequencies, especially in the 900w/ bridged mode. What I appreciate about them is the solid billet aluminum casework which is as beautiful as it is functional. I agree that the 535 best the 525 a bit but the entire line is impressive. FYI I now have twin Rowland 625 S2 amps for horizontal bi-amping on a large system.
All in all Jeff's are some of the best in the class amps in the D range.