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Universal Audio 4-710d 4-Channel Mic Preamp  

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SKU 
#H69959000000000
Top Rated
Overview
  • 4 TEC Award-winning 710 Twin-Finity microphone/line preamps, each featuring:
  • Dual-path 285-volt Class-A tube and transimpedance solid state preamps
  • Phase-aligned tone-blending of tube and solid state circuits, creamy to crunchy
Description & Specs
  • MSRP:
    $2,499.00
  • Your Savings:
    - $500.00
  • Your Price:
    $1,99900

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Universal Audio

4 hybrid tube/solid state preamps and 1176-style compressors in a single unit.

The Universal Audio 4-710d is a boutique quality, 4-channel microphone/line preamplifier with unique tube and solid state tone-blending capabilities—perfect for a wide range of microphone and instrument sources. This versatile multichannel preamp offers selectable 1176-style compression circuitry on each channel, plus four additional line inputs feeding 8 channels of pristine analog-to-digital conversion. Building upon UA's classic analog design approach, combined with smart modern features, the 4-710d is the most flexible preamp in the UA lineup.

At the core of the 4-710d are four channels of tone-blending "Twin-Finity" mic preamps with true-bypass 1176-style compression, including specially tuned "fast" and "slow" settings. Each of the four mic preamp channels allows for continuously variable phase-aligned tone, between a 100% tube and 100% solid state signal path. Send and return jacks are available for external processing or signal access.

The eight analog inputs are digitized via ultra high-quality 24-bit A/D converters at selectable sample rates up to 192kHz. Digital output is available via dual ADAT "lightpipe" or AES/EBU DB-25 connectors, facilitating integration with most popular audio interfaces.

Features Preamplifiers
  • 4 TEC Award-winning 710 Twin-Finity microphone/line preamps, each featuring:
  • Dual-path 285-volt Class-A tube and transimpedance solid state preamps
  • Phase-aligned tone-blending of tube and solid state circuits, creamy to crunchy
  • Newly designed 1176-style compression circuit per preamp channel
  • JFET Direct Input with 2.2MΩ ultra Hi-Z impedance w/auto input override
  • Large backlit VU meters for flexible metering of input drive, gain level, and gain reduction
  • Balanced send/return inserts (half-normalled)
  • 48V phantom power
  • 75Hz low cut filter
  • Polarity switch
  • Monolithic balanced output stage
Analog-to-Digital Conversion
  • 8 channels of high quality 24-bit A/D conversion:
  • Selectable sample rates up to 192kHz
  • Digital output via dual ADAT optical and AES/EBU DB-25 connectors
  • 8-channel soft limiter (switchable for all channels)
  • Ultra-low jitter clock subsystem
  • LED metering array with clip/hold indicators
  • 75Ω BNC work clock I/O
  • Digital outputs anti-pop protection on power-up
Other
  • Universal voltage internal power supply
  • Heavy-duty metal construction, two-space rack unit

Blend your tone with ease and get exceptional results with the 4-710d. Order today!

 

4-710d 4-Channel Mic Preamp Specifications:

  • Analog Section, Channels 1-4
  • Note: all specifications are typical performance unless otherwise noted. Unless otherwise noted, all specifications are 20Hz-20kHz, minimum gain, maximum level, 24-bits, all switches in neutral or off mode, 100% solid state, digital output = 0dBFS.
  • Microphone Preamplifier to Line Out:
  • Gain Range: 56dB
  • Min Gain: 14dB
  • Max Gain: 70dB
  • Max Input Level (bal): 6.7dBu
  • Max Output Level (bal): 20dBu
  • Input Impedance (bal): 2kΩ
  • Input Impedance (Hi-Z): 2.2MΩ
  • Output Impedance (bal): 600 Ω
  • Equiv. Input Noise (150Ω, 56dB gain): -127dBu
  • Frequency response (20Hz-20kHz): +0.1/-0.15dB
  • Crosstalk (max gain, 1kHz): < -115dB
  • Low Cut Filter:
  • Type: Bessel 2nd Order
  • Corner Frequency: 75Hz
  • Attenuation (20Hz): -23dB
  • Pad:
  • Attenuation: 15dB
  • Phantom Power:
  • Phantom Power Current (per jack): 10 mA
  • Voltage: 48V ±1V
  • Compressor:
  • Threshold: 10dBu
  • Compression Ratio: 4:1
  • Fast Attack Time: 0.3ms
  • Fast Release Time: 100ms
  • Slow Attack Time: 2.0ms
  • Slow Release Time: 1100ms
  • Analog-To-Digital Converter Section
  • Note: all specifications are typical performance unless otherwise noted. Unless otherwise noted, all specifications are 20Hz-20kHz, minimum gain, maximum level, 24-bits, all switches in neutral or off mode, 100% solid state, -1dBFS output.
  • Microphone & Line Inputs (Ch 1-4):
  • THD+N (-1dBFS): -100dB (0.001%)
  • SNR (A-Wt): 110dB
  • Dynamic Range (-60dBFS, A-wt): 110dB
  • Frequency response: +0.1/-0.15dB
  • Stereo Phase: <0.3 deg
  • Line Input (Ch 5-8):
  • THD+N (-1dBFS): -103dB (0.0007%)
  • SNR (A-Wt): 117dB
  • Dynamic Range (-60dBFS, A-Wt): 117dB
  • Frequency response: ±0.1dB
  • Stereo Phase: < 0.5 deg
Customer Reviews
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Review Snapshot®

by PowerReviews
Universal Audio4-710d 4-Channel Mic Preamp
 
5.0

(based on 5 reviews)

Ratings Distribution

  • 5 Stars

     

    (5)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to use (3)
  • Versatile (3)

Cons

    Best Uses

    • Professional recording (3)
      • Reviewer Profile:
      • Professional musician (3)

    Reviewed by 5 customers

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    Displaying reviews 1-5

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    5.0

    Bang for the buck!!!

    By Full Tilt Productions

    from Mechanicsburg PA

    About Me Experienced

    Verified Buyer

    Pros

    • Clear Sound
    • Easy To Use
    • Powerful
    • Professional Functions
    • Versatile

    Cons

      Best Uses

      • Professional Recording

      Comments about Universal Audio 4-710d 4-Channel Mic Preamp:

      I bought this because of hearing how good the mic pres were and also having the limiting function on the 4 channels. Also it gave me 4 more analog input options for using any pre amp of my choice.
      This gave my set up more options and freedom from before when using an 8 channel optical out put pre unit.
      So far I have been very happy with it! The pres sound great and I love them on the all tube mode but it's nice to have the option of not using the tubes also.
      My go to Pre for bass,guitar, and some drums is the API 3124 but when I compared them it was pretty close especially on direct bass guitar.
      I wasn't planning on using it for vocals since I have a channel strip I am very pleased with for that. But I did try it and was surprised how good it sounded. The pre's alone are a good buy but this unit has some great features I could see anybody finding useful.

      Comment on this review

       
      5.0

      A Versatile Preamp!

      By Jose7822

      from Valrico, FL

      About Me Professional Musician

      Ask me a question

      Verified Buyer

      Pros

      • Easy To Use
      • Professional Functions
      • Versatile

      Cons

        Best Uses

        • Home Studio
        • Performances
        • Professional Recording

        Comments about Universal Audio 4-710d 4-Channel Mic Preamp:

        The UA 4-710d is a very versatile preamp due to its dual topology and added features, which you won't find at this price point on any other preamp of similar quality. If you're looking for a preamp with 4 channels of very high quality, then this is definitely a unit to consider. Your recordings will sound pro, and the DI is really good too!

        Comment on this review

        (0 of 2 customers found this review helpful)

         
        5.0

        Amazing Quality, In Your Face & Warm

        By SongCzar

        from Florida

        About Me Professional Musician

        Ask me a question

        Verified Buyer

        Pros

        • Clear Sound
        • Easy To Use
        • Great Buy Great Sound
        • Powerful
        • Versatile

        Cons

          Best Uses

          • Home Studio
          • Professional Recording

          Comments about Universal Audio 4-710d 4-Channel Mic Preamp:

          I've got an Avalon, 2610, Graces, etc. This is in a class of it's own. You'll be happy you got it!

          Comment on this review

          (1 of 2 customers found this review helpful)

           
          5.0

          Awesome!

          By SongCzar

          from Florida

          About Me Professional Musician

          Ask me a question

          Pros

          • Pristine

          Cons

          • Limited Functions

          Best Uses

            Comments about Universal Audio 4-710d 4-Channel Mic Preamp:

            Warm or bright it's beautiful! If you cant sound fantastic with a 4-710 its because you're not!

            Comment on this review

            (8 of 8 customers found this review helpful)

             
            5.0

            Awesomeness!!!!!!! Mind boggling...

            By P19

            from Atlanta

            Comments about Universal Audio 4-710d 4-Channel Mic Preamp:

            Every studio should have one of these!
            It is unbelievable how great it sounds!!!! It is just the most versatile pre-amp you will ever find! And for the price... it boggles my mind...
            4 Mic/line pre-amps with compressors on each and a limiter for all 8 channels (1176)!!!
            I use mine connected to a Motu 8pre, so I am using all 4 Mic channels plus the other 4 instrument channels... Amazing sound possibilities and different configurations with tube... solid state and everything in between!
            Superb quality!!!! The sound comes ready!!!!
            I can't get my mind around the fact that this is offered at this price...

            Comment on this review

            Displaying reviews 1-5

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