The VT-737SP from Avalon is a single-channel, vacuum tube Class-A processor that combines a tube microphone preamp, instrument DI, opto-compressor, and a 4-band parametric EQ.
The high-performance channel strip provides incredible warmth, depth, and character to digital recordings, and is a perfect front-end for digital audio workstations and broadcast studios.
| Number of Channels | Single |
| Inputs |
1 x XLR Microphone (rear) 1 x XLR Balanced Line (rear) 1 x 1/4" TS Phone Instrument (front) |
| Outputs | 1 x XLR |
| Frequency Response | 10Hz to 200kHz, -3dB line in to line out |
| Noise | EIN: -116dB, 22Hz to 22kHz unweighted |
| Preamp | |
|---|---|
| Gain Range |
Mic Pre: 0db to 58db Instrument: 0dB to 30 dB Line: -27dB to 28 dB |
| Maximum Output | +30dB |
| Input Impedance | Not specified by manufacturer |
| Phantom Power | +48V |
| Compressor | |
|---|---|
| Threshold Range | -30dB to +20dB |
| Ratio | 1:1 to 20:1 |
| Attack Time | 2mSec to 200mSec |
| Release Time | 100mSec to 5Sec |
| Slope | Not specified by manufacturer |
| Sidechain | Internal with EQ |
| Equalizer | |
|---|---|
| Filter Type | Discrete Class A, variable active and switched passive design |
| Frequency Bands |
Treble: Switched, 10kHz, 15kHz, 20kHz, 32kHz High-Mid: Variable 200Hz to 2.8kHz or 2kHz to 28kHz (10x switch) Low-Mid: Variable 30Hz to 450Hz or 300Hz to 4k5Hz (10x switch) Bass: Switched, 15Hz, 30Hz, 60Hz, 150Hz |
| Bandwidth |
Treble: Shelf High-Mid: Hi-Lo Q Low-Mid: Hi-Lo Q Bass: Shelf |
| Range (Boost/Cut) |
Treble: +/- 20dB High-Mid: +/- 16dB Low-Mid: +/- 16dB Bass: +/- 24dB range |
| Light Indication | |
| Threshold Range | Not applicable |
| Ratio | Not applicable |
| Attack Time | Not applicable |
| De-Esser | |
|---|---|
| Threshold Range | Not applicable |
| Frequency Range | Not applicable |
| Gate | |
|---|---|
| Gate Threshold | Not applicable |
| Gate Rate | Not applicable |
| Physical | |
|---|---|
| Dimensions (WxDxH) | 19" x 12" x 3 1/2" |
| Weight | 22 lbs |
| Specialties | Sealed silver relays for signal routing |