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Avalon Design VT-737SP - Channel Strip

BH #AVVT737SP • MFR #VT-737SP
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Avalon Design VT-737SP - Channel Strip
Key Features
  • Single Channel
  • Microphone Preamp
  • Instrument DI
  • Line Input
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.

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Avalon Design VT-737SP Overview

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"

Avalon Design VT-737SP Reviews

5 years and still a beauty

By Mickey O'donnell
Rated 5 out of 5
Date: 2015-01-19

I know that the Avalon 737 has been around for quite some time now, but it is still Number one for me. yesterday somebody tried to offer me something else, something new and we did an A/B head to head compare session, and the 737 stood out by miles... If you're a good sound engineer, you'll know how to tame this wild horse. The pre-amp and EQ sections are out of this world. Colored ? Maybe, but I just love this colour

Great tube pre, EQ and Compressor

By D
Rated 5 out of 5
Date: 2011-01-23

This preamp sounds great for multiple recording applications- I own two 737s, they're versatile and quite powerful when you understand all the functions.

See any errors on this page?

Hello there any power electric for Avalon 737 Cz ...

Hello there any power electric for Avalon 737 Cz I am in medel east
Asked by: Hassan
This will accept 100v to 240v, 50-60Hz (selectable). You will need the proper adapter for the cable, but you will not need a power converter.
Answered by: Marty
Date published: 2021-11-09
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