Cableaddict
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- Joined
- Dec 4, 2019
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We just made measurements with sp200 as well. It's prone to the issue because the low gain option is 6db. There is no 0db or -10db option. ...... high gain is whopping 18db.....
Thanks for posting this. I currently have an sp200, a JDS atom, and two versions of the O2. Sonically, (with single-ended output) the sp200 is by far my favorite, having significantly more LF fullness / solidity than the Atom, but the headroom is a nightmare. I'm feeding these from a pro computer audio system, so a balanced signla at a nominal +4 Dbu level, and driving various type of cans. But even if I drop the level to below 0 dbu, the high gain setting just folds. Massive compression & distortion. With my 600 Beyers, (my personal favorite for recording) there is simply no way to get enough clean volume, no matter how I tweak. With any other, from 32 ohm to 250 ohm, I can get good results, but only if I constantly tweak the balance between inout level and gain setting. It's bloody awful.
Great sounding amp, though.
If someone could come up with a detailed resistor swap, that would be heavenly. That is beyond my abilities, esp without a circuit diagram.
I've tried talking to the USA seller, but of course no response at all.
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