Vinnie Rossi BRAMA Preamplifier

Operating Voltage Range:

• 100-125Vac or 210-250Vac, 50/60Hz
• (transformer primaries are automatically switched based on the AC mains voltage detected)

THD+N (solid-state linestage):

< 0.01% (20Hz – 20kHz)

THD+N (300B Triode linestage):

< 1% (20Hz – 20kHz)

Frequency Response:

5Hz – 100kHz (+/- 0.5 dB)

Signal-to-Noise Ratio (0% Triode mode):

> 110dB (20Hz – 20kHz)

Signal-to-Noise Ratio (100% Triode mode):

> 100dB (20Hz – 20kHz)

Input Impedance:

100k ohm

Gain:

Adjustable (-12dB, -6dB, 0dB, +6dB, or +12dB)

Output Voltage:

20Vrms, max. (balanced outputs)

Output Impedance:

< 100 ohms