710 Twin-Finity™ Tone Blending Microphone Preamplifier & DI Box
Features:
- 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
Technical Specifications:
Inputs
Microphone (Female XLR)
Balanced Line (Female XLR)
Unbalanced Instrument (1/4" jack) (D.I.)
Outputs
Balanced Line (Male XLR)
Type
Tube & Solid-State Phase-Aligned Tone-Blending Mic Pre & DI
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
Maximum Mic Input Level Gain @min SS
+18 dBu
Maximum Mic Input Level Gain @min Tube 1% THD
-7 dBu dBu +8 dBu w/pad
Maximum Line Input Level Gain @ Min SS
+30
Maximum Line Input Level Gain @ Min Tube 1% THD
+8 dBu
Maximum Hi-Z Input Level Gain Min SS
+18
Maximum Hi-Z Input Level Gain Min Tube 1% THD
+8 dBu
Maximum Output Level into 600 ohms
+18 dBu
Maximum Output Level into 100k ohms
+28 dBu
Tube Clipping Level
Same as Max In
Solid-State Clipping Level
Same as Max In
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
0.1% tube 0.005% solid-state