Universal Audio 710tfd Twin-finity Single-channel Microphone Preamp
Twin-Finity™ Tone-Blending Mic/Line Preamp & Hi-Z Instrument DI
Dual-Path 310 volt Class-A Tube and Transimpedance Solid State Preamp
Phase-Aligned “Tone-Blending” of Tube and Solid State
Dual Gain Stages: Wire with Gain to Creamy to Crunchy
Discrete JFET DI with 2.2M ohm Ultra Hi-Z impedance
Monolithic Balanced Output Stage
70dB+ of gain, +48V Phantom, Pad(-15dB), Phase Invert, and Low Cut Filter(75Hz)
Output and “Drive” backlit VU metering
Portable, Rack-Mountable design for Studio, Desktop or Stage
19” Rack Kit Included
Front Panel Hi-Z Input (switched from Mic/Line automatically via Jack Detect)
Rear Panel XLR Mic Input, XLR Line Input and XLR Line Output
Universal Internal Power Supply
Heavy-Duty Metal Construction
Specifications
Inputs
Microphone (Female XLR)
Balanced Line (Female XLR)
Unbalanced Instrument (1/4″ jack) (D.I.)
Outputs
Balanced Line (Male XLR)
Tube Complement
12ax7
Pad
-15dB
High Pass Filter
75Hz
Maximum Power Consumption
160mA @120VAC, 20W
Power Requirements
100-240VAC
Dimensions
8.45W x 3.5H x 10.25D
Weight
5.25 lb
Impedance
Mic Input Impedance
2K ohms
Line Input Impedance
10K ohms
Hi-Z Input Impedance
2.2M ohms
Internal Output Impedance
600 ohms
Gain/Levels
Gain Range for Unit
-Infinity to 70dBu
Mic Range Gain Pot
10 ~ 60 dBu
Line Range Gain Pot
-10 ~ 40 dBu
Hi-Z Range Gain Pot
-10 ~ 40 dBu
Frequency Response
Mic Frequency Response
20Hz to 100kHz +/- 0.2 dBu
Line Frequency Response
20Hz to 100kHz +/- 0.2 dBu
Hi-Z Frequency Response
20Hz to 100kHz +/- 0.2 dBu
Distortion
Min THD+Noise @ +4dBU