Universal Audio 4-710D Four-Channel Tone-Blending Mic Preamp

Classic tube and solid-state tones with 1176-style compression and professional A/D conversion.

By merging the best of UA’s classic analog design with smart modern features and workflow enhancements, the Universal Audio 4-710D is the most flexible microphone preamp in the UA lineup.

Featuring four high-end mic/line preamps with a unique tube/solid-state tone blending circuit, as well as classic 1176-style compression on each mic channel, the 4-710d also offers tons of digital I/O to expand your setup.

Now You Can:

– Track through meticulously designed UA tube 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

Bring your Mic Collection to Life with a Wide Range of UA Preamp Tones

At the core of the 4-710d are four channels of tone-blending “Twin-Finity” mic preamps. Each channel offers 100% tube and 100% solid-state signal path, as well as the ability to continuously blend between the two circuits. This gives you tons of textures – from creamy to crunchy – and lets you dial in the perfect amount of tube grit or solid-state sheen.

A Legendary Compression Circuit

Each of the Universal Audio 4-710D’s four channels features true-bypass 1176-style compression, including specially tuned “fast” and “slow” settings. This enables quick, on-the-fly tweaking for fattening up a vocal, hold a bass guitar in place, or for adding sizzle and texture to synths and horns.

Add Inputs and Professional A/D Conversion

With eight analog inputs, the Universal Audio 4-710D is perfect for expanding your studio. Digitized via ultra high-quality 24-bit A/D converters at selectable sample rates up to 192 kHz, the 4-710d easily connects to most interfaces with its dual ADAT optical or AES/EBU DB-25 connectors.

Features:

Preamplifiers

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 2.2MΩ 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
– 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
– 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

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