Conrad Johnson Premier Seven - Tube Premplifier Name: Conrad Johnson Premier Seven Type: Tube Preamplifier Country: USA Year: 1988 Premier Seven, Premier Seven-A, & Seven-B Vacuum Tube Pre-Amplifiers Introduced in April 1988, Premier Seven-A July 1990, Premier Seven-B October 1992 Premier Seven each channel Tube V1: 6CW4 V2 V6: 6GK5 Premier Seven-A, Seven-B each channel Tube V1 & V2: 6CW4 V3-V6: 6GK5 Specifications: Gain: Phono Stage 40 dB (phono overload 150 mV at 1kHz) Line Stage 29 dB Distortion: less than .25% THD or IMD Response: bandpass 2Hz to more than 100kHz RIAA equalization [...]
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