ProD8™ Specifications

The Radial ProD8 is an 8 channel 19" rack-mountable direct box designed for professional concert touring. The feature set has been optimized for keyboards but as with any direct box, it is certainly suitable for use with instruments or playback systems. The passive signal path incorporates a custom wound Eclipse ET-DB2 transformer and RF filtering that is able to withstand excessive signal levels without distortion while delivering a linear response across the audio spectrum.

ProD8 Block Diagram
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Specifications    RADIAL ProD8
Audio Circuit Type:  Passive, transformer based
Number of Channels: Eight channel
Frequency Response:  20Hz ~ 18.5KHz (± 0.2dB)  
Dynamic Range:  128dB 
Maximum Input:  +18dB @ 20Hz 
Total Harmonic Distortion:  0.01% from 20Hz~20kHz @-10dB
Phase Deviation:  1° @ 100Hz; 8° @ 20Hz 
Input Impedance:  140k Ohms, unbalanced 
Output Impedance:  150 Ohms, balanced 
Transformer: Eclipse ET-DB2, 12:1 ratio
Shield: Faraday, MuMETAL® can
Input Pad:  -15dB  
180° Polarity Reverse:  Inverts absolute phase
Ground Lift:  Disconnects pin-1 at XLR output 
XLR Configuration:  AES standard (pin-2 hot) 
Connectors: 1/4" in & thru, TRS insert, XLR-M out
Construction:  14 gauge steel chassis & outer shell
Finish: Durable powder coat
Size (L x W x H): 19" x 6.25" x 1.75" (48.3cm x 15.875cm x 4.45cm)
Weight:  7.2lb (3.26 kg)
Shipping Size (L x W x H): 22" x 10.375" x 4.5" (55.9cm x 26.4cm x 11.4cm)
Shipping Weight: 8.30lb (3.76 kg)
Power:  Passive, no power required 
Conditions: For use in dry locations only between 5°C and 40°C
Warranty:  Radial 3-year, transferable
Specifications are subject to change without notice.
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