Universal Audio 4-710d 4-Channel Mic Preamp

Sku #H69959000000000

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Free UAD-2 QUAD DSP Accelerator!

Purchase a new UA 4-710d Tone-Blending Mic Preamp and you’ll get a UAD-2 QUAD DSP Accelerator — absolutely FREE!

Universal Audio

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

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

 

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
    Stereo Phase: < 0.5 deg
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