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Avalon VT-737SP Valve Microphone Preamp

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Avalon VT-737SP Valve Microphone Preamp
Product no: SEL-AVAVT-737SP Bax Music Warranty: This product comes with a 3-year warranty, the tubes come with a 3-month warranty.

General

The ultra-high-end Avalon VT-737SP mono microphone amplifier serves the microphone signal with valve-driven preamps, an opto compressor, and a richly detailed EQ section, resulting in transparent, warm, and lush sound whether used in the studio or as part of a live rig.

The Avalon VT-737SP Preamp

The VT-737SP provides three input options, each with phase relay: the standard-issue microphone input complete with 48V phantom power supply, an instrument DI input with a front-fitted jack input, and a balanced line input. The Class-A mono preamp is supported by two cascaded valve triodes with negative feedback, and a set of four tubes, while the high-gain boost ensures controlled signal adjustments and the passive high-pass filter completes the deal.

Opto Compression & Sweep Equalizer

The opto compressor can be controlled with immense detail, and contrasting with classic opto compression, the attack and release can be set as well as the threshold and make-up gain. Accurately squeeze the signal to gain anything from subtle dynamic control to lush, character-packed limiting, and everything in between. The four-band equaliser further shapes the sound with a high-shelf and a low-shelf with an incredibly gradual curve, and a low-mid and high-mid band with a switchable Q-factor.

Specifications

Product features

19-inch rack size	2U
Number of channels	1
Digital output	no
Sustainable product	not specified
Energy source	AC
Phantom power	yes
Phase reverse	yes
Feedback dection/eliminator	no
Frequency bands per channel	3 - 5 bands
Headphone output	no
Built-in compressor	yes
Built-in equaliser	yes
Built-in limiter	no
Connection sockets	none
Switchable boost/cut	no
Stereo function	yes
Analogue audio input type	balanced line in (XLR), microphone input (XLR), Hi-Z instrument input (TS jack)
Analogue audio output type	balanced line out (XLR)
Type of dynamic processor	compressor
Equipped with tube	yes

Weight and dimensions including packaging

Weight (incl. packaging)	18,0 kg
Dimensions (incl. packaging)	58,0 x 47,0 x 21,0 cm

Product specifications

analogue valve mono instrument and microphone preamp
4 dual triode vacuum Sovtek 6922 valves
unbalanced 6.3mm jack instrument input, +30dB
balanced XLR line and microphone input, +30dB
balanced XLR output with trim, -45dB to 20dB gain
input frequency response: -/2.5dB 10Hz to 120kHz
output frequency response: -3dB 1Hz to 200kHz
analogue Vu meter
variable high cut filter from 6dB per octave 30Hz to 140Hz
variable compressor threshold from -30dB to +20dB
variable compressor ratio 1:1 to 20:1
variable compressor attack from 2ms to 200ms
variable compressor release from 100ms to 5sec
4 EQ frequency bands
treble: switching 10kHz, 15kHz, 20kHz, 32kHz, +/- 20dB range
high mid: 200Hz to 2k8Hz and 2kHz to 28kHz, +/- 16dB range
low mid: 30Hz to 450Hz and 300Hz to 4k5Hz, +/- 16dB range
bass: 15Hz, 30Hz, 60Hz, 150Hz, +/- 24dB range
dimensions: 482 x 305 x 89mm (19", 2U high)
weight: 12 kg

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Wednesday 11 November 2015 By Lizanne

It's a common occurrence in the studio or during live performances - you make a recording, but the signal is low, the fader on your console is on max and you're out of headroom. The signal is simply too weak and starts to distort when you try to amplify it with a compressor or gain plugin. Radial comes to the rescue with the McBoost - a microphone preamplifier that will add up to 25 dB to the incoming signal, ideal for consoles or audio interfaces that need a little extra oomph!

Focusrite Presents Scarlett OctoPre Preamps

Friday 6 January 2017 By Lizanne

Here at Bax Music, we can't seem to stock our Focusrite audio interfaces fast enough, they sell like hot cakes! So, we're all ears when this brand has come up with something new. We proudly present two new Focusrite preamps, the Scarlett OctoPre and the Scarlett OctoPre Dynamic.

PreSonus Audio Interfaces and Mixers Now with Studio Magic Plugin Software Bundle

Wednesday 29 March 2017 By Richard | Bax Music

PreSonus manufactures a wide range of audio hardware and software. From now on, when you buy a new audio interface or mixer, you'll receive a Studio Magic Plugin software bundle for free! The bundle includes the software versions of seven magical hardware units.

Triton Audio: New to Bax Music!

Friday 4 August 2017 By Lizanne

Bax Music is proud to announce a new addition to our list of brands: Triton Audio! The Holland-based company specialises in high-end products for professional studios and audiophiles.