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Universal Audio 4-710d 4-Channel Twin-Finity Mic Preamp & DI

Written by

Ollie Mason

The 4-710d is a 4 channel mic preamp that offers both classic tube and solid state tones with crystal clear A/D conversion. What's more, you get classic 1176-style compression, as well as tons of digital I/O to expand your setup.

Tone Blending Mic Pres

One of the stand out features of this unit is it's four TEC Award Winning"twin-finity" mic/line preamps. Each preamp has phase aligned tone-blending control of both tube and solid state circuits, giving you a wide range of creative choice. Dial up your tone, whether its clean and clear or warm and fuzzy thanks to Dual-path 285-volt Class-A tube and transimpedance solid-state preamps.

Each Preamp get's ots own newly designed 1176-style compression circuit as well as important tools such as a filter and polarity switch to properly shape the tone and dynamics of your recordings, helped by large, backlit VU meters so that you can monitor input drive, gain level, and gain reduction.

Key Features

  • Track through meticulously designed UA mic preamp circuitry
  • Blend tube and solid-state textures for tons of flexibility
  • Harness classic 1176-style compression on each mic channel
  • Add 8 inputs to any Apollo interface via ADAT optical connection
  • Process signals via Send and Return jacks for each channel



  • 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


  • Universal voltage internal power supply
  • Heavy-duty metal construction, two-space rack unit
  • One year warranty including parts and labor
Inc. VAT

1 In Stock

Order now for delivery to you on Thursday, 23 September 2021  

Item may be on display, more due on Wednesday, 20 October 2021

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