Universal Audio 4-710d 4-Channel Mic Preamp Condition 1 - Mint

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Universal Audio

Open-Box Universal Audio 4-710d 4-Channel Mic Preamp Condition 1 - Mint

Name: Universal Audio 4-710d 4-Channel Mic Preamp
Brand: Universal Audio
SKU: H69959004000000
Price: 1759.12 USD
Availability: InStock
Rating: 5 (6 reviews)

(6) Q&A SKU #H69959004000000

$1,75912

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Overview

4 hybrid tube/solid state preamps and 1176-style compressors in a single unit.

The Universal Audio 4-710d is a boutique quality, 4-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 multichannel preamp offers selectable 1176-style compression circuitry on each channel, plus four additional line inputs feeding 8 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.

The eight analog inputs are digitized via ultra high-quality 24-bit A/D converters at selectable sample rates up to 192kHz. Digital output is available via dual ADAT "lightpipe" or AES/EBU DB-25 connectors, facilitating integration with most popular audio interfaces.

Features

Preamplifiers

4 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 2.2MÎ 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
75Hz low cut filter
Polarity switch
Monolithic balanced output stage

Analog-to-Digital Conversion

8 channels of high quality 24-bit A/D conversion:
Selectable sample rates up to 192kHz
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
75Î 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
One year warranty including parts and labor

Blend your tone with ease and get exceptional results with the 4-710d. Order today!

Specs

4-710d 4-Channel Mic Preamp Specifications:

Analog Section, Channels 1-4

Note: all specifications are typical performance unless otherwise noted. Unless otherwise noted, all specifications are 20Hz-20kHz, minimum gain, maximum level, 24-bits, all switches in neutral or off mode, 100% solid state, digital output = 0dBFS.

Microphone Preamplifier to Line Out:

Gain Range: 56dB
Min Gain: 14dB
Max Gain: 70dB
Max Input Level (bal): 6.7dBu
Max Output Level (bal): 20dBu
Input Impedance (bal): 2kÎ
Input Impedance (Hi-Z): 2.2MÎ
Output Impedance (bal): 600 Î
Equiv. Input Noise (150Î, 56dB gain): -127dBu
Frequency response (20Hz-20kHz): +0.1/-0.15dB
Crosstalk (max gain, 1kHz): < -115dB

Low Cut Filter:

Type: Bessel 2nd Order
Corner Frequency: 75Hz
Attenuation (20Hz): -23dB

Pad:

Attenuation: 15dB

Phantom Power:

Phantom Power Current (per jack): 10 mA
Voltage: 48V ±1V

Compressor:

Threshold: 10dBu
Compression Ratio: 4:1
Fast Attack Time: 0.3ms
Fast Release Time: 100ms
Slow Attack Time: 2.0ms
Slow Release Time: 1100ms

Analog-To-Digital Converter Section

Note: all specifications are typical performance unless otherwise noted. Unless otherwise noted, all specifications are 20Hz-20kHz, minimum gain, maximum level, 24-bits, all switches in neutral or off mode, 100% solid state, -1dBFS output.

Microphone & Line Inputs (Ch 1-4):

THD+N (-1dBFS): -100dB (0.001%)
SNR (A-Wt): 110dB
Dynamic Range (-60dBFS, A-wt): 110dB
Frequency response: +0.1/-0.15dB
Stereo Phase: <0.3 deg

Line Input (Ch 5-8):

THD+N (-1dBFS): -103dB (0.0007%)
SNR (A-Wt): 117dB
Dynamic Range (-60dBFS, A-Wt): 117dB
Frequency response: ±0.1dB

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Open-Box Universal Audio 4-710d 4-Channel Mic Preamp Condition 1 - Mint

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