Universal Audio 4-710D

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

• 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

Preamplifiers

Four TEC Award-winning 710 Twin-Finity™ mic/line preamps, each featuring:

• Dual-path 285-volt Class-A tube and solid-state transimpedance preamps
• Phase-aligned tone blending of tube and solid-state signals (from smooth to aggressive)
• Newly designed 1176-style analog compression circuit per channel
• JFET DI input with ultra Hi-Z 2.2 MΩ impedance and auto input override
• Large, backlit VU meters for input drive, gain, and compression metering
• Balanced send/return insert points (half-normalled)
• 48V phantom power
• 75 Hz low cut filter
• Polarity (phase) switch
• Monolithic balanced output stage for clean signal path

Analog-to-Digital Conversion

• Eight channels of high-quality 24-bit A/D conversion
• Selectable sample rates up to 192 kHz
• Digital outputs via dual ADAT optical and AES/EBU DB-25 connectors
• 8-channel soft limiter, switchable per channel
• Ultra-low jitter clock subsystem for precise timing
• LED metering array with clip/hold indicators
• 75Ω BNC word clock I/O
• Anti-pop protection on digital outputs during power-up

Additional Features

• Universal internal power supply (for worldwide voltage compatibility)
• Rugged, heavy-duty metal chassis
• 2U rackmount form factor
• One-year warranty, including parts and labor