Universal Audio 4-710D
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Essential Information About the UA 4-710d Mic/Line Preamp
Essential Information About the UA 4-710d Mic/Line Preamp
- 4 "Twin-Finity" channels with continuous tube/transistor blending and phase coherence for textures ranging from creamy to punchy.
- 1176-style compression on each channel, with "Fast"/"Slow" modes and true bypass to shape vocals, bass, drums, and synths.
- 24-bit A/D conversion up to 192 kHz with optical ADAT and AES/EBU (DB-25) outputs and Word Clock synchronization.
- Up to 8 analog channels to conversion with switchable 8-channel limiter to protect against peaks.
Manufacturer Information
Universal Audio
https://www.uaudio.com
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The Universal Audio DNA, the "Twin-Finity" Concept in a 4-Channel Version
The UA 4-710d adopts the acclaimed 710 "Twin-Finity" principle and expands it into four high-end mic/line preamps. Each channel combines a 100% tube signal path and a 100% transistor signal path, awarded a TEC Award, to offer a unique sonic palette within the UA range and modernize the approach to classic analog preamps.
For Hybrid Studios Demanding Character and Flexibility
Whether recording a vocalist, a brass section, a DI bass, or a drum kit, the 4-710d is designed for engineers and producers who want to choose their tonal color at the source. Its ADAT/AES digital outputs facilitate instant expansion of your audio interface, from ambitious home studios to professional studios.
Key Features for Controlled Sound from Source to Converter
"Tone-Blending" Tube/Transistor Mix
Each channel offers a Class A tube path (285 V) and a solid-state path. The phase-locked blend knob allows precise control over the tonal character-from rich harmonic warmth to the sharper punch of transistors.
Built-in 1176-Inspired Compression
One compressor per channel, with true "Fast" and "Slow" positions and bypass, enables thickening vocals, stabilizing bass, or adding density to synths and overheads without additional rack gear.
Professional Conversion and Synchronization
24-bit A/D conversion up to 192 kHz feeds two ADAT ports and an AES/EBU (DB-25) output. A switchable 8-channel limiter protects the converters, while BNC Word Clock I/O ensures stable digital integration.
Comprehensive Connectivity and Studio Ergonomics
Features include XLR mic inputs, XLR/jack line inputs, front-panel instrument inputs, and send/return per channel for inserting your favorite effects. All housed in a 19-inch 2U rack chassis, road-ready and studio-friendly.
Technical specifications
| Number of channels | 4 | Rack unit | 2 |
| Valve | Yes | ||
| Two signal circuits | Class A 285 V tube preamp and solid-state amplifier. | Line-level output connectors | XLR. |
| Frequency range | 20 Hz - 100 kHz +/- 0.2 dBu, max gain +70 dBu. | Rack format | 19-inch - 2U. |
| A/D Conversion | 24-bit. | Dimensions | 482 x 305 x 89 mm. |
| Sampling rate | up to 192 kHz. | Weight | 5.2 kg. |
| Word Clock I/O | BNC. | ||
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Questions frequently asked
Universal Audio 4-710D: how many preamps are available?
The rack features four mic/line preamp channels, each combining a Class A tube circuit running at 285 V and a solid-state circuit.
How does the tube/solid-state blend control operate on each channel?
A Tone-Blending potentiometer allows mixing the two phase-locked signal paths. This makes it possible to dial in a harmonic-rich texture or a more aggressive response depending on the recorded source.
Is compression integrated on all 4 channels?
Each channel has 1176-inspired compression with Fast, Slow, and bypass settings. This processing can be used to stabilize a bass, thicken a vocal, or add density to overheads.
What digital outputs are available on this 4-channel preamp?
The 24-bit A/D conversion goes up to 192 kHz and feeds two ADAT ports as well as an AES/EBU output on DB-25. Word Clock inputs and outputs on BNC are provided for digital synchronization.
Can the 4-710D accept direct bass or guitar input?
Front-panel instrument inputs are provided for direct connection of bass or guitar. XLR mic inputs, XLR/jack line inputs, and send/return connections per channel complete the analog connectivity.
