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The 4-710d is a four-channel tone-blending "Twin-Finity" preamps and 1176-style compression with Built-In A/D Converters.

The Universal Audio 4-710d is a boutique quality, four-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 multi-channel preamp offers selectable 1176-style compression circuitry on each channel, plus four additional line inputs feeding eight 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.


  • Four 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 2.2M 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
  • 75 Hz low cut filter
  • Polarity switch
  • Monolithic balanced output stage

  • Analog-to-Digital Conversion
  • Eight channels of high quality 24-bit A/D conversion:
  • Selectable sample rates up to 192 kHz
  • 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
  • 75 BNC work clock I/O
  • Digital outputs anti-pop protection on power-up
  • Manufacturer Part Number : UA-4710D


    Mike MacDougall
    Halifax NS
    April 1, 2020
    Really shines for rich midrange content
    Every preamp has it's place, or perhaps more accurately, provides you with one.

    I had been overlooking this unit, using it mainly for it's ability to insert other preamps and be used as an 8 channel ADAT interface with great clocking. The reason I shied away is that it always sounded kind of small to me compared to other units. Read more
    Damian Kearns
    Toronto, ON
    September 8, 2016
    Great box and a central part of my 5.1 Post Audio Studio
    I got this as part of a deal a few years ago and am still leaning on it as my go-to box. I track a lot of voiceover and ADR through it. Its digital output is synched perfectly to my HD OMNI via word clock. One of the most amazing features-- I actually have this wired into my rack to take full advantage- is its ability to mix external sources into the outputs. Read more
    Jean-Pierre Pineau
    July 25, 2016
    Vraiment surpris et content.
    J'avais acheté un Twin Finity 710 au départ pour ajouter à ma collection, en espérant tirer profit du Tone Blending, à titre de "couteau suisse" qu'on utilise à toutes les sauces. J'ai une collection exhaustive de préamps et processeurs. Conquis, j'ai rapidement commandé la version à quatre canaux et limiter. Read more
    Bruce Chesterton
    January 26, 2016
    Great sound, really versatile
    Love this piece!

    I was doing some production for a folk group and the option to blend between a transformer and a tube really gave me an array of color. Sounds really nice when you drive them too. Love the compression and am really happy with my purchase. Read more


    Save 20%, MSRP $3749.00
    Free shipping in Canada. Conditions

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