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.
Vacuum tube triode signal path
High-performance microphone input transformer with +48V phantom power selection
Instrument DI high source input with front panel connector
High-gain switch boosts the overall gain of the preamplifier
Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls
Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch
All discrete Class-A equalizer switchable between Pre/Post compressor
High- and low-frequency bands provide the smooth characteristics of an all passive design
Dual mid-bands include variable frequency and switched Q-width selection
Range of the mid-bands is extended into the high- and low-bands by the use of x10 frequency multipliers
Output level control provides a variable control of the overall signal path
Large VU meter for output level and compressor gain reduction monitoring
Switchable power supply
Avalon Design VT-737SP Specs
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 | 19" x 12" x 3 1/2" |
Weight | 22 lbs |
Specialties | Sealed silver relays for signal routing |
Packaging Info
Package Weight | 28 lb |
Box Dimensions (LxWxH) | 23 x 18.5 x 8.3" |
In the Box
- Avalon Design VT-737SP - Channel Strip
- AC Power Cable
- 2-Year Manufacturer Warranty
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