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MF MD HG Labor Day Inclusion 8-22-14

Avalon VT-737sp Class A Mono Tube Channel Strip  
(Used)

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#186101004000000
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Avalon

Impeccable clarity with tube warmth, presence, full-range versatility.

The Avalon VT-737sp Class A Mono Tube Channel Strip is a combination tube preamp, opto-compressor and sweep equalizer, with output level and VU metering in 2 rackspaces. Balanced mic, front-panel instrument DI, and balanced line inputs. Class A preamp uses 2 cascaded, dual vacuum-tube triodes configured with minimum negative feedback. The Avalon Vt 737sp has a high-gain switch, high-pass filter, and hardwire relay bypass.

Features
  • Tube preamp
  • Opto-compressor
  • Sweep equalizer
  • Output level control
  • VU metering
  • Balanced mic input, front-panel instrument DI, and balanced line inputs
  • High-gain switch
  • High-pass filter

Get tube warmth, a high-class mic pre, compression, and EQ all in one. Order today.

 

VT-737sp Class A Mono Tube Channel Strip Specifications:

  • Circuit topology: 4 dual triode vacuum tubes (Sovtek 6922), high-voltage discrete Class A
  • Gain Range Microphone: Transformer balanced 850/2500 ohm, 0dB to +58dB Instrument: Unbalanced 1 meg ohm, 0dB to +30dB
  • Line: Balanced Class A 20k ohms, -27dB to 28dB
  • Maximum input level and connector types: Microphone26dB@25Hz, +30dB@1kHz balanced XLR Instrument+30dB unbalanced front panel jack socket
  • Line +36dB balanced XLR
  • Maximum output level: +30dB balanced 600 ohms, DC coupled, discrete Class A
  • Output type and gain: XLR connector, output trim gain -45dB to20dB
  • Noise 20kHz unweighted: -92dB
  • Noise microphone EIN: -116dB, 22Hz-22kHz unweighted
  • Distortion THD, IMD: 0.5%
  • Frequency response -2.5dB: 10Hz-120kHz input filter included
  • Frequency response -3dB: 1Hz-200kHz line in-out
  • VU meter and gain reduction: High quality illuminated OVU =+4dB and gain reduction to -20dB
  • High cut filter: Variable 6dB per octave 30Hz-140Hz
  • Compressor type: Optical passive attenuator incorporating twin vacuum tubes and stereo link
  • Threshold - Ratio: Threshold variable -30dB to +20dB, ratio-compression variable 1:1 to 20:1
  • Attack - Release: Attack variable 2mS to 200mS, release variable 100mS to 5 seconds
  • Equalizer type: Discrete Class A, variable active and switched passive design
  • Frequency bands (4): Treble - switched 10kHz, 15kHz, 20kHz, 32kHz, ±20dB range, shelf High mid - variable 200Hz-28kHz and 2kHz -28kHz, ±6dB range, hi-lo Q Low mid - variable 30Hz-450Hz and 300Hz-4k5Hz, ±16dB range, hi-lo Q Bass - switched 15Hz, 30Hz, 60Hz, 150Hz, ±24dB range, shelf
  • AC power: Internal toroidal 100v to 240v, 50-60Hz selectable, 75 watts maximum
  • Dimensions: 19 x 12 x 3.5 in (482 x 305 x 89mm)
  • Weight: 22lbs. (10kg)
Customer Reviews
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Review Snapshot®

by PowerReviews
AvalonVT-737sp Class A Mono Tube Channel Strip
 
4.8

(based on 12 reviews)

Ratings Distribution

  • 5 Stars

     

    (9)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

Reviewed by 12 customers

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(4 of 6 customers found this review helpful)

 
4.0

not so fast........................

By c.locke

from oklahoma city

Comments about Avalon VT-737sp Class A Mono Tube Channel Strip:

The avalon is alright, a lot of it is hype. I had the chance to compare it to the la 610 mkii on every level and the la610 just sounded better period. Depending on what sound your looking for, don't be fooled by the price. I feel the la610 was more cleaner, although the avalon has more eq control you have to look at the whole pic. But every piece of gear has pro & cons.

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(2 of 2 customers found this review helpful)

 
5.0

Beautiful Sound at a large price

By 808 booming

from Hawai'i

Comments about Avalon VT-737sp Class A Mono Tube Channel Strip:

WARM & CLEAN...At the studio I used to work in, we would use this as the pre for almost EVERYTHING - vocals, acoustic guitar, bass, cello, violin, etc. While it's not a magic box, the difference between going direct into the board and using this is huge - like the difference between photographing in natural sunlight and under florescent lights. Not my favorite compressor, best used subtly & compressed later in the chain, but my favorite preamp of all.

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(1 of 1 customers found this review helpful)

 
5.0

Nice Preamp

By Rahbaba

from Germany

Comments about Avalon VT-737sp Class A Mono Tube Channel Strip:

Nice smooth sound. The equalizer section is very useful and musical. The compressor section is ok. If it had a limiter on it, that would help quite a bit. Overall, it imparts a very nice sound to the source audio. Oh, and I absolutely love the way a bass plugged directly into (front panel) sounds! If you can't get good sounds out of this, sell your stuff and stick to recording to cassette decks.

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(1 of 1 customers found this review helpful)

 
5.0

Nothing Holds A Candle...

By Uncaster

from Los Angles

Comments about Avalon VT-737sp Class A Mono Tube Channel Strip:

The Avalon Vt 737sp is the be all end all preamp in my book... I have worked extensively with summit pres, neves pres, and even ssl stuff... nothing is a versatile and easy to use... The eq sound full and rich... the compresion is sweet and has cool ways you can feed it through the signal chain... also the natural tube distortion you can get is like nothing I've ever heard... bottom line you can't beat it... My only complaint would be it's price... I would love to buy a secound one for stereo tracking but I have to hold off because of the price... But trust me I own cheaper presonus and ART stuff... none of it holds a candle.............

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(3 of 11 customers found this review helpful)

 
4.0

Good but not Great

By JVPhillyBurbs

from Philly Burbs

Comments about Avalon VT-737sp Class A Mono Tube Channel Strip:

I've been recording my vocals and a few friend's vocals with karaoke backing tracks for years now and could never figure out why I couldn't get that slick, warm professional "record" sound. So I bought one of these to see if it would do the trick. Unfortunately, it sounds about exactly the same as other methods/equipment I've tried. I have an AT 4033 mic going into a Firewire 410 and then into SONAR 5. I experimented by recording my vocals through a MACKIE CFX12 board and then simultaneously outputting one channel to the Avalon/FW and the other directly into the Firewire. Result: just about the same sound. I guess the magic is in the mixing and application of FX and double tracking, etc. Oh well, I guess I'm going to return the unit and be happy with the current front end of my recording (I also sometimes use an Aphex 107 preamp). The only real complaint I have is that the compressor didn't seem to have a limiter function. AS far as looks go, it's definitely a nice heavy duty professional looking unit but I think a lot of this "warmth" stuff is more in people's heads rather than in their ears. To be honest, I also did an A/B with the Aphex vs the Avalon and couldn't really hear any noticeable difference between the 2. Maybe this says a lot for the M-ADIO FW 410 - it sounds just as good!

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(1 of 2 customers found this review helpful)

 
4.0

Cornerstone to Any Pre Collection

Comments about Avalon VT-737sp Class A Mono Tube Channel Strip:

The 737 is an essential pre for any serious studio. For singer-songwriters such as myself, it is the cornerstone to my sound. The 737 is used exclusively for my vocals, acoustic guitars and bass. The EQ is 1st rate and the pre is clean and warm. My only gripe with the 737 is the compressor section which is average. When used mildly, it is fine but going past a 4:1 ratio and you start to hear it. Overall, this unit is essential for an acoustic based sound. I have also had success using it to record rap artists. The 737 is one of the more flexible units on the market today. The killer chain is the 737 and the Distressor. I own two of these units so...

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5.0

More Please!

By Crosswalk1204

from Oklahoma

Comments about Avalon VT-737sp Class A Mono Tube Channel Strip:

I own one and am getting another. The comp and eq alone are worth the price tag. I use it on everything first and usually stop there. The price is high, but the features and sound won't let you down. I use it in my studio every day.

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5.0

Superb quaility, excellent design, easy to use.

By yEPJY0KR_

from Evansville, WI

Comments about Avalon VT-737sp Class A Mono Tube Channel Strip:

Price, yes it isn't cheap, but neither is the way it performs. Absolutely super clean sounding and straight forward to use. I've owned less expensive mic pre's and the Avalon VT 737sp is worth the money for pro sounding recordings and live sound, as well. I'm spoiled by it. I recently bought a twin track pro and returned it. Far cheaper than the Avalon and opening the box I saw why. Don't get me wrong, Focusrite makes excellent mic preamps as well, but you get what you pay for. In my opinion, if you can afford this unit, you will be pleased with it for years to come. I've been in love with mine for over 1-1/2 years and my friend who owns a pro studio now loves that it is on loan in his studio.

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(1 of 1 customers found this review helpful)

 
5.0

going on 2

By me-6DF6w

from San Antonio, Texas

Comments about Avalon VT-737sp Class A Mono Tube Channel Strip:

I bought my first 737 about a year ago. The first session I had was w/ a vocalist I've worked w/ for years. Half way through the first line in the song she stopped and said "Holy smoke, what did you do to my voice" I got the same reaction w/ acoustic guitar and bass as well. Just because there is a tube doesn't mean it's gonna sound good. This thing is built like a work of art and sounds better than anything new on the market in it's price range. Or any price range. Avalon is among the few companies that make great gear that isn't a reproduction of an old box. But a new KILLER design!! I just ordered another one to do stereo guitars . . . can't wait to be blown away again!!

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5.0

This is awsome!

By Ben-nOXrx

from Orlando, FL

Comments about Avalon VT-737sp Class A Mono Tube Channel Strip:

I used this in the Studio I used to work at before moving to Florida. I want to get one of them for myself. It is great.... especially if you want to make vocals or bass sound incredibly good. It's a bit pricey, but if you can afford it, then buy 2.

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