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Avalon Design VT-737SP - Channel Strip

B&H # AVVT737SP MFR # VT-737SP
Avalon Design VT-737SP - Channel Strip

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Product Highlights

  • Single Channel
  • Microphone Preamp
  • Instrument DI
  • Line Input
  • Opto-Compressor
  • 4 Band EQ
  • VU Meter
  • Universal Power Supply
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You Pay: $2,475.00

Questions? Ask our experts:

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
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
Packaging Info
Package Weight 28.0 lb
Box Dimensions (LxWxH) 23.0 x 18.5 x 8.3"
Avalon Design VT-737SP - Channel Strip
  • AC Power Cable
  • One (1) Year Warranty
  • REVIEW SNAPSHOT®

    by PowerReviews
    Avalon DesignVT-737SP - Channel Strip
     
    4.2

    (based on 5 reviews)

    Ratings Distribution

    • 5 Stars

       

      (4)

    • 4 Stars

       

      (0)

    • 3 Stars

       

      (0)

    • 2 Stars

       

      (0)

    • 1 Stars

       

      (1)

    80%

    of respondents would recommend this to a friend.

    Pros

    • Great sound quality (3)

    Cons

    No Cons

    Best Uses

    No Best Uses
      • Was this a gift?:
      • No (4)

    Reviewed by 5 customers

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    Displaying reviews 1-5

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    5.0

    5 years and still a beauty

    By Mickey O'donnell

    from New Jersey

    About Me Mastering Engineer

    Pros

    • Great Sound Quality

    Cons

    • Difficult To Set Up

    Best Uses

    • Professional Studios

    Comments about Avalon Design VT-737SP - Channel Strip:

    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

    • Was this a gift?:
    • No

    Share this review

     
    5.0

    Great channel strip

    By jason robayo

    from colombia

    Verified Reviewer

    Pros

    • Great Sound Quality

    Cons

      Best Uses

        Comments about Avalon Design VT-737SP - Channel Strip:

        I use it with vocals an acoustic guitars, usually with a Neumann TLM49 or Rode NTK.I love the warmth of the tubes in the preamp. The eq is outstanding. The compressor section is very nice, but a little tricky because the attack and release times are a little bit slow and tends to sound too transparent. I compress a lot the vocals and bass and I really like the sound of the optical compressors. If you are good sound engineer an musician, You´ll love it.

        • Was this a gift?:
        • No

        Share this review

        (3 of 15 customers found this review helpful)

         
        1.0

        Biggest piece of junk on the market!

        By Mister Klown

        from Los Angeles

        Verified Reviewer

        Pros

          Cons

          • Limited Functions
          • Poor Sound Quality

          Best Uses

            Comments about Avalon Design VT-737SP - Channel Strip:

            I've had 2 of these. The first one I bought brand new. I was planning on using it on bass but the compressor was so "limp" is the best way to put it. It is so sqooshy and all over the place. I does not accurately compress. Because of this overwhealming issue and consumer complaints they started ffering a higher end commprssor mod if you wanna pay another $500 plus!!! So this just shows that the original compressor is faulty and does not effectively do it job! However I did buy a second unit with the compressor mod in it and it worked 50% better!!! The problem is... every pro studio hs to have one! For some reson people do request them quite often. I will let the client think they are playing thru the unit (have it lit upand meters moving from sending a CD Player to it or something. Lol. But actually I will have them going thru a Neve or API into a distressor. Also, the mic pres way to colorful. I like high end transparent mic pres that actually capture the sound of the instrument, not add sound.The EQ's are decent but who records with EQ anyway? No one... ammatures! EQ is for live applictions so maybe this might be a good hunk of metal for the stage but int the studio forget it!

            • Was this a gift?:
            • No

            Share this review

            (1 of 1 customers found this review helpful)

             
            5.0

            Great tube pre, EQ and Compressor

            By D

            from San Jose

            Pros

            • Great Sound Quality

            Cons

            • Runs Hot

            Best Uses

            • Home recording

            Comments about Avalon Design VT-737SP - Channel Strip:

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

            • Was this a gift?:
            • No

            Share this review

            (3 of 3 customers found this review helpful)

             
            5.0

            Great Processor

            By Mel the guitar man

            from São Paulo, Brazil

            About Me Professional Musician

            Verified Buyer

            Pros

            • Clear Sound
            • Powerful
            • Professional Functions
            • Versatile

            Cons

              Best Uses

              • Professional Recording
              • Soundtracks

              Comments about Avalon Design VT-737SP - Channel Strip:

              I´ve been used to record guitar, acoustic guitar, bass, vocals in my studio and the sound it´s always great, warm and fat in all situations.
              I really like to have a Tube Preamp with EQ and Compressor, I can setup the whole tone using this avalon.

              Share this review

              Cables

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              Add interconnectivity options for your equipment.

              Kopul - Studio Elite 4000 Series XLR M to XLR F Microphone Cable - 10' (3.0 m), Black
              • You Pay: $17.49
               

              Mount your equipment in a rack.

              Raxxess - ER-08 Space Economy Rack (Black Oak)
              • You Pay: $125.60
               

              Cases & Protection

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              Carry, store and protect all your equipment in a bag or case.

              Gator Cases - GSR-2U Studio 2 Go Carrying Case
              • You Pay: $109.99
               

              Rack Accessories

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              25

              PACK

              Raxxess PTSW025 Rack Screws and Washers (Pack of 25)
              Raxxess - PTSW025 Rack Screws and Washers (Pack of 25)
              • You Pay: $6.00
               

              Cable Management

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              10

              PACK

              Pearstone 0.5 x 6" Touch Fastener Straps (Black, 10-Pack)
              Pearstone - 0.5 x 6" Touch Fastener Straps (Black, 10-Pack)
              • You Pay: $6.99
               
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