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Radial ProD8 8-Channel Rackmount Direct Box

Radial ProD8 8-Channel Rackmount Direct Box

SoundPro Item: 46159 | Part Number: R800 1120

Regular price $1,029.99
Regular price $1,200.00 Sale price $1,029.99
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MSRP: $1,200.00 | MAP: $1,029.99

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  • High density 8-channel rackmount DI for keyboards
  • Withstands extreme dynamics from digital sources
  • Redundant inputs let you incorporate backup system
  • Reversible rack ears to optimize patching setup

The ProD8 is a high performance 8-channel passive direct box optimized for keyboard rigs in professional touring, with redundant 1/4" inputs for each channel and a completely passive design that requires no power to operate.

The ProD8 features up to 8 direct box outputs in a single 1RU rack space for professional touring, with dual ¼" inputs on each channel to incorporate a backup system or connect up to 16 channels of audio at once. A ¼" TRS effects insert jack on each channel allows for connection to various effects devices while adding greater routing options, while a thru-put jack delivers a direct feed to the artist's playback system. The front panel features isolated XLRs for balanced low-noise outputs, each equipped with ground lift and 180° polarity reverse switches.

The engine inside the ProD8 is a custom wound Eclipse ET-DB2 transformer that performs both the impedance matching and balancing. Linear from 20Hz to 20kHz, it is able to withstand the extreme dynamics common with today's digital keyboards. Unlike active circuits that overload and square wave when the rail voltage is exceeded, transformers saturate. This means that as the signal increases, the ProD8 naturally rounds out the tone producing a warm Bessel curve reminiscent of the very best vintage audio gear. The other significant advantage to this passive design is 100% galvanic isolation between the source and destination, which eliminates hum and buzz caused by ground loops.

To enhance setup options, the Radial ProD8 is equipped with reversible rack ears. This handy feature allows the system tech to position the inputs on the front of the rack when interfacing with external keyboards or have them inside if the setup is predominantly equipped with rack modules.

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Specifications

Certifications
Warranty
Radial 3-year, transferable
Dimensions
Size (L X W X D)
19" x 6.25" x 1.75" (48.3cm x 15.875cm x 4.45cm)
Weight
Shipping Weight
8.30lb (3.76 kg)
Audio
Audio Circuit Type
Passive, transformer based
Frequency Response
20Hz ~ 18.5KHz (± 0.2dB)
Total Harmonic Distortion
0.01% from 20Hz~20kHz @-10dB
Input Impedance
140k Ohms, unbalanced
Output Impedance
150 Ohms, balanced
Output Connectors
XLR
Connectivity
Maximum Input
+18dB @ 20Hz
Input Connectors
1/4"
Construction
Transformer
Eclipse ET-DB2, 12:1 ratio
Construction
14 gauge steel chassis & outer shell
Shipping
Weight
7.2lb (3.26 kg)
Shipping Size (L X W X D)
22" x 10.375" x 4.5" (55.9cm x 26.4cm x 11.4cm)
General
Dynamic Range
128dB
Phase Deviation
1° @ 100Hz; 8° @ 20Hz
Features
Input pad, 180° polarity reverse, Ground lift
Conditions
For use in dry locations only between 5°C and 40°C
RF
Number of Channels
8
Power
Power
Passive, no power required

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