The ET3 preamplifier is a case in point. The ET3 line-stage is a “baby” version of their flagship line-stage preamplifier, the GAT. The family resemblance is much more than skin deep. the ET3 is optionally available with a vacuumtube phono stage that borrows its zero-feedback audio circuit from conradjohnson's reference quality TEA1 phono stage.
Specifications Gain:25 db
Maximum output:20 Vrms
Tube complement: 1 x 6922
Output impedance:100 ohms Hum and noise:98 db below 2.5 v
ET3 Optional Phono Stage High Gain Version54dB
Low Gain Version40dB
Phase:phase correct
RIAA Equalization:+/- .25 db 20Hz to 20kHz
Hum and Noise:-80dB relative to 10mV input
The ET3 is optionally available with a vacuum-tube phono stage that borrows its zero-feedback audio circuit from conrad-johnson's reference quality TEA1 phono stage.
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