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Ampex 351 Mod

Ampex 351 Mic Pre Optimizaton Mod: This mod turns a somewhat unusable Ampex 351 electronics channel into a truly impressive mic pre! Capitalizing on a fantastic design by the brilliant Ampex engineers this mod eliminates drawbacks to practical use in the recording of music while preserving and even teasing out a bit more of the inherent impressive sound. The result is totally usable totally pro sound that is unmatched by most mic pres. This modified mic pre has all-around utility: it is punchy, has a warm, even hot midrange, and the highs are silky and shimmery. This is not a..

$1,500.00

Ampex 601 602 mod

Ampex 601 or 602 Mic Pre Optimizaton Mod: This mod turns a somewhat unusable Ampex 601 electronics channel into a damn good mic pre, in the way of a oddly well working old car that has some bonafide character. While it’s not the Everest of Mic Pres, when well modified, it’s one that you will be happy to own and probably never sell. It’s hard to describe mic pre character with written word, but one thing is easy enough to be said of this mic pre, namely it is warm sounding and there’s nothing thin about it. ‘The Drawbacks :M..

$375.00

Ampex AM10 Mod

Ampex AM-10 Mic Pre Mixer Mod: The Ampex AM-10 is a fine little mixer from the early/mid transistor era. The circuitry is very basic Class A resulting in an overall smooth, clean sound. The microphone input transformer is interesting in that it is very small...sometimes referred to as a “thumb” transformer. Usually a small transformer lacks low end response, as theory says it will saturate easily and thus attenuate peaks of low frequency signal. Somehow the thumb transformer in the AM-10 is able to pass low frequencies with minimal saturation. The saturation or loss of low freq..

$1,799.00

Ampex MX10, MX35 Mod

Ampex MX-10, MX-35 Mic Pre Mixer ModThe Ampex MX-10 and MX-35 are fine little mixers from the late tube era. The circuitry is straight forward Class A (as are most tube circuits) resulting in an overall smooth, clean sound. The microphone input transformer is interesting in that it is very small...sometimes referred to as a “thumb” transformer. Usually a small transformer lacks low end response, as theory says it will saturate easily and thus attenuate peaks of low frequency signal. Somehow the thumb transformer in the MX-10 / MX-35 is able to pass low freq..

$1,499.00