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Item # H69959 | Customer Ratings: Ratings ( 5 Based on 2 reviews)

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Universal Audio 4-710d 4-Channel Mic Preamp
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      Universal Audio 4-710d 4-Channel Mic Preamp (H69959)
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Buy a UA 4-710d Tone-Blending Mic Preamp, Get a Free UAD-2 QUAD DSP Accelerator - A $999 Value! See PDF for details.

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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.

Universal Audio 4-710d 4-Channel Mic Preamp 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 2.2MO 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
    75O 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


Universal Audio 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): 2kO
    Input Impedance (Hi-Z): 2.2MO
    Output Impedance (bal): 600 O
    Equiv. Input Noise (150O, 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


Universal Audio 4-710d 4-Channel Mic Preamp

One year parts and labor warranty on all U.A. products and Kind of Loud products.

Get your gear covered!

Now you can get added warranty protection for your new gear. Pro Coverage steps in where the manufacturer's "normal wear and tear" ends. Our PRO COVERAGE program offers you UPGRADED COVERAGE if your product ever fails!

Pro Coverage includes:

  • Accidental damage protection (new gear only)
  • Expedited Repair
  • Free Shipping (for returns or repairs)
  • 100% Coverage for Commercial Use
  • Extended Return Period
  • Extended Price Protection
  • No Lemon Guarantee
  • Free Transfer of Coverage to a new owner
  • Repair Costs Covered for up to 3 years from date of purchase
  • Repairs Can Be Authorized Toll-Free by Phone or the via the web
Product Reviews
(Based on 2 reviews)
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  • Amazing piece of gear!

    As reviewed by Joshua Larson on 2/15/2012

    I have a modest home/warehouse studio.....using Protools 8 with a digi 003. For years I've been working with the digi003 preamps, Presonus digimaxFS preamps, while occasionally borrowing some great preamps (Grace, Universal Audio, API, etc). When I finally surmised that I could splurge for a good piece for my studio, I did some research and found the UA 4-710D. Frankly, I was attracted by the amount of pres (4) and all the features (A/D conversion, compression, tube/solid, multiple outs, etc). It was no brainer for me givin the bang for the buck. I expected to be impressed, but I did not know how much of an impact having this piece was going to have on the recording I was doing. I was in utter shock when I began to experience the results from using the UA. Everything I put through it sounded full, round, bigger, better, cleaner, and more musical. So far I've recorded acoustic guitar, keys, vocals, synth lines, electric beats, and bass through this amazing piece. I can't wait to record drums with it. Bass sounds INCREDIBLE just going direct through it. For the price, I could not be happier with this piece. I would recommend this piece to anyone, but especially to someone who is looking for their first quality set of preamps and is currently using the mediocre A/D conversion of their audio interface. If that is your current scenario....this thing will blow your socks off.

    1 of 1 people found this review helpful.
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  • Worth Every Penny

    As reviewed by guy on 11/10/2014

    It's not a super high end deal but it's an all around great unit. Bass is amazing. Vocals record great. Some drums respond better than others. It can't get the kick sound I get through my analog mixer. Yamaha. But other drums pop through. Great sound great guitars. What ever I put through it is magic compared to other mix pres I have. It doesn't bite your head off. Not a super headroom deal room deal but that adds character because the more you up the gain the more the 1176 kicks in.

    0 of 0 people found this review helpful.
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