Precision Tools for Audio Professionals

Model Options

DI-Pre
Single Channel unit

DI-Pre Duo
Dual Channel unit in unique DoubleHeader format

The unique Audibox DoubleHeader format puts one channel on the front of the unit, and a second channel on the rear, putting two channels in the space of one! An ultra useful and convenient option.

More Audiboxes:

Iso Balancer
Iso De-Balancer
Iso Later
Iso Splitter
Iso Optimizer

USB DI
USB DI-VC

Pro DI
AV DI
DI Preamp
Ear Driver
Minipressor
Audibox PSU

DI-Pre Microphone Preamp

Ultra compact Microphone Pre amp with balanced XLR mic input, balanced jack output and user-variable+10 to +60dB Gain control.
Heavy duty all-steel chassis finished in attractive matt textured powdercoat, with hardwearing epoxy screen printing and slip resistant rubber pads.
–20 dB Pad with status LED, Clip LED and Phantom Power switch with status LED, plus 12V DC power connector. 12-15V DC power required from external supply.
Security features include Kensington®-type computer lock slot and optional bracket kit for under-table mounting.

Available in Single Channel or Double Header format

Mic Input Impedance
2 K Ohms Balanced; XLR type Pin 1 Audio Ground, Pin 2 +, Pin 3-

Phantom Power Voltage
Switchable +48 V DC on XLR Pins 2 and 3

Power Requirements 12-15V DC from external supply

Input Gain
+10 dB Minimum, variable to +60 dB Maximum

Pad Switch -20 dB attenuation

Overload Indicator Measured at all Gain points throughout the circuitry

Output Noise
-90 dB Unweighted, -97 dB 'A' weighted
(Measured with Gain nominal 20 dB)

Frequency Response 20 - 20 KHz ± 0.25 dB

Distortion
100 Hz 0.0085%, 1 KHz 0.008%, 10 KHz 0.0083%
(Measured with Mic Gain @ 20 dB)

Input Connectors Balanced 3 pin Female XLR mic input, wired Pin 1 Ground, Pin 2 + Hot, Pin 3 –

Output Connector Insulated Tip Ring Sleeve balanced jack

Construction
All-steel chassis, fibreglass PCB