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Tone quality is superb!

Posted by Al Sekela (A) on July 18, 2006 at 12:08:19

In Reply to: Re: In my limited experience, posted by morricab on July 18, 2006 at 02:03:24:

All my tweaking efforts on the OTL monoblocks were directed towards making the sound more natural as well as improving the resolution. Their sensitivity to RF noise, together with my strong local RF noise sources, led me to a lot of power line and noise source treatments as well as audio system treatments to reduce the effects of the noise,

By good fortune, I had just found some tweaks that removed most of the remaining RF noise artifacts from the OTL monoblocks when the Raptors arrived, so I was able to compare the amps' tonal qualities without the slight grit that always made the artificiality of reproduction obvious.

The best way to describe the comparison is that the Raptors have all the naturalness of the OTL monoblocks without the response dips and peaks created by the OTL monoblocks' high output impedance. Piano timbre is especially improved by this change, where good recordings now sound more like the real thing.

I've tried these amps briefly on a friend's SoundLab M-1s. We blew a fuse after one song because the bass sounded so good that we had the volume cranked way up. The amps' fuses are intended primarily to protect the speakers, and some users have destroyed their SoundLab back panels with them by using fuses that were too large! The performance on the SoundLabs was superior to their owner's Wolcott monoblocks, but, with only one song, I can't give meaningful detail to the comparison.

This post is made possible by the generous support of people like you and our sponsors:

Winsome Labs

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