I’ve evaluated Torreys A, B, and C for sound quality (I’ve had no functional issues with C).
The main difference I hear is that the tonal balance (or perceived frequency response) is different between these versions, and this leads to a number of reported differences. Torreys A was slightly rolled off in the high treble, B had too much treble energy, and C is in the middle (and close to just right on my system).
Torreys C seems slightly louder than A or Yale. I will get around to using a 1kH test tone and/or pink noise and try to measure a difference, when I get a chance. What’s interesting is that probably the FR and output level of Yale and all three Torreys will measure the same using test equipment.
Torreys C continues moving some instrumental images on some recordings slightly to the left.
A lot of the discussion about these three Torreys and Yale is related to the tonal balance, but in my opinion all three Torreys maintain a cleaner sound (meaning less digital artifacts) than Yale. To me, this is a real improvement. Good work Ted and team! Once you get into small differences in a component’s tonal balance, what’s “right” always involves the recording, the system, the person’s hearing, and taste. As I said though, I do feel Torreys C is best.
One more point regarding some comments about one version or another being too dry or not possessing enough low-level ambient information: It’s critical to match levels exactly (easy to do with the DS’s gain control) between versions. If one version (or component) has more upper midrange or treble energy, a listener may be annoyed by this strident sound and turn down the volume. Then if another version has less energy in that region and the level is turned up, the person may hear way more low-level ambient hall sound (or other details) and attribute this to an intrinsic property of the second component.
Likewise, if a component has more treble energy than another, there may be more apparent detail, but this usually is found to be an “etched” or “analytic” property and quickly can be fatiguing. Using the Photoshop analogy mentioned earlier, if you overuse the sharpening function, you can get “halos” and other artifacts around images, which do not look natural.
I wonder if the Torreys C beta will be identical with the final released Torreys…
Focal_Point