Universal Audio 4-710 Four-Channel Mic Pre

Preamplifiers

Four 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 2.2MΩ 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
75 Hz low cut filter
Polarity switch
Monolithic balanced output stage

Analog-to-Digital Conversion

Eight channels of high quality 24-bit A/D conversion:
Selectable sample rates up to 192 kHz
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
75Ω 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

Specs

• Number of Channels 4 microphone inputs
• 8 inputs for AD conversion
• Inputs 4 x XLR Microphone
• 4 x XLR Line
• 4 x 1/4" TRS phone (ch 5-8)
• 4 x 1/4" TRS phone Return
• 1 x 1/4" TS phone Instrument (front panel)
• Output 4 x XLR
• 4 x 1/4" TRS phone Send
• Other Connectors 1 x 25-pin D-sub AES/EBU output (8-channels)
• 2 x TOSLink ADAT optical output (SMUX supported)
• 2 x BNC Wordclock I/O
• Phantom Power +48V switchable
• Multi Function 8-channel analog to digital converter
• Gain Range Gain Range for Unit: -Infinity to 70dBu
• Mic Range Gain: 10 to 60dBu
• Line Range Gain: -10 to 40dBu
• Hi-Z Range Gain: -10 to 40dBu
• Maximum Input Level Microphone, gain @ minimum solid state: +18dBu
• Microphone, gain @ minimum tube 1% THD: -7dBu, +8dBu w/pad
• Line, gain @ minimum solid state: +30dBu
• Line, gain @ minimum tube 1% THD: +8dBu
• Hi-Z, gain @ minimum solid state: +18dBu
• Hi-Z, gain @ minimum tube 1% THD: +8dBu
• Maximum Output Level +18dBu into 600Ω
• +28dBu into 100kΩ
• Frequency Response 20Hz to 100kHz, +/-0.2dBu
• THD + N Tube: 0.1% @ +4dBU
• Solid-State: 0.005% @ +4dBU
• Power Requirements 100~240VAC, 2.5A, 50/60Hz
• Dimensions (WxDxH) 2U 19" rack mount
• Weight Not specified by manufacturer
• Specialties -15dB pad
• 75Hz high-pass filter
• Packaging Info
• Package Weight 15.85 lb
• Box Dimensions (LxWxH) 23 x 17 x 8"