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  4. Microphone Preamps
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Universal Audio 4-710d 4-Channel Mic Preamp

Gear returned in mint condition. If you're looking for a virtually new instrument in possibly less-than-perfect packaging, this is a great value.
  • Includes 45-Day, No-Hassle Returns
  • Includes full manufacturer's warranty
Gear returned in great condition, with only minor signs of use, such as slight scuffs or pick marks. It looks and plays like new and may be considered an equivalent to display units found in retail stores.
  • Includes 45-Day, No-Hassle Returns
  • Includes full manufacturer's warranty
$2,599.00
Item #: 
1288970926820   POS #:106361207
Universal Audio 4-710d 4-Channel Mic Preamp
Product Description:

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 fe...  Click To Read More About This Product

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Gear returned in mint condition. If you're looking for a virtually new instrument in possibly less-than-perfect packaging, this is a great value.
  • Includes 45-Day, No-Hassle Returns
  • Includes full manufacturer's warranty
Gear returned in great condition, with only minor signs of use, such as slight scuffs or pick marks. It looks and plays like new and may be considered an equivalent to display units found in retail stores.
  • Includes 45-Day, No-Hassle Returns
  • Includes full manufacturer's warranty
$2,599.00
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Overview

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
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
Pro Coverage
Manufacturer's Warranty
One year parts and labor warranty on all U.A. products and Kind of Loud products.


Guitar Center's Pro Coverage
Pro Coverage gives you added warranty protection for your gear. Stepping in where the manufacturer's "normal wear and tear" coverage ends, our Pro Coverage program offers you upgraded coverage if your product ever fails Click To Read More About This Product.

Pro Coverage includes
  • Accidental damage protection
  • Expedited repair or replacement
  • Free shipping (for returns or repairs)
  • 100% coverage for commercial use
  • Extended price protection
  • No lemon guarantee
  • Free transfer of coverage to a new owner
  • Repair costs covered for up to five years from date of purchase
  • Repair authorization-toll-free by phone or via the web
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