Description
The Avalon VT-737SP Preamplifier is a 2U rack-mounted mono vacuum tube channel strip combining a Class A system, optical compressor, and 4-band sweep equalizer.
AVALON VT-737SP PREAMPLIFER SPECIFICATIONS
Audio Path: Analog (Class A discrete electronics with 4x Sovtek 6922 dual triode vacuum tubes)
Preamplifier Gain:
Mic: 0dB to +58dB
Instrument DI: 0dB to +30dB
Balanced Line: -27dB to +28dB
Maximum Output Level: +30dB (balanced 600 ohms, DC coupled)
Frequency Response: 10Hz to 120kHz (-2.5dB with input filter), 1Hz to 200kHz (-3dB line in-out)
Noise Floor: -92dB (unweighted 20kHz)
Microphone EIN: -116dB (22Hz to 22kHz unweighted)
Total Harmonic Distortion (THD): 0.5%
Treble (High Shelf): 6 kHz to 32 kHz, variable gain up to ±20 dB.
High-Mid (Sweep): 600 Hz to 8 kHz (variable Q and x10 frequency multiplier), gain up to ±16 dB.
Low-Mid (Sweep): 200 Hz to 2.5 kHz (variable Q and x10 frequency multiplier), gain up to ±16 dB.
Bass (Low Shelf): 30 Hz to 450 Hz, variable gain up to ±24 dB.
