Radial Engineering ProD2 Stereo Passive DI Box

Radial EngineeringSKU: R800110200

Price:
Sale price €229.00

The Radial ProD2 is a compact stereo direct box developed specifically to address the needs and challenges of interfacing a stereo keyboard to a professional audio system. This passive DI features two independent channels with separate inputs and thru-puts for the artist's stage amp and two fully isolated outputs for the PA system.

At the heart of the design are two high performance Eclipse ET-DB2 transformers. These deliver 20Hz to 20kHz performance with less than 1.5dB deviation above 18kHz and are able to withstand tremendous signal levels without distortion. Unlike active circuits that overload when the signal exceeds the rail voltage, transformers saturate. This creates a pleasing effect that naturally rounds out the tone, acting like a subtle limiter which is particularly advantageous when interfacing the ProD2 with digital pianos, samplers and drum machines that can produce excessive dynamics. Transformers are particularly adept at eliminating hum and buzz caused by ground loops.

As with all Radial products, the ProD2 is built tough to handle the rigors of professional touring. A 14-gauge steel ultra rigid i-beam skeleton frame eliminates opportunity from outside stress to flex the sensitive PC board and cause premature solder joint failure. The innovative book-end design creates a protective zone around the connectors and switches further increasing lifespan. And a full bottom no-slip pad adds mechanical isolation and electrical insulation to further reduce opportunity for noise.

The Radial ProD2's warm sound, legendary build quality and compact design have made it the most popular stereo direct box made today.

  • Stereo direct box designed for keyboards
  • Smooth, warm sound rounds out digital edge
  • Able to handle huge transients without choking
  • May be rack mounted for touring rigs

Specifications   

RADIAL ProD2

Audio circuit type: 

Passive, transformer based

Number of channels:

2 channels 

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 

 

 

Features   

 

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, XLR-M out

 

 

General   

 

Construction: 

14 gauge steel chassis & outer shell

Finish:

Durable powder coat

Size:  (W x H x D)

5" x 3.3" x 1.8" (127mm x 84.1mm x 45.5mm)

Weight: 

.54kg (1.2lbs) 

Shipping size: L x W x D:

6.5" x 4" x 3" (165mm x 102mm x 76mm)

Shipping weight:

0.61 kg (1.35 lbs)

Power: 

Passive, no power required 

Conditions:

For use in dry locations only between 5°C and 40°C

Warranty: 

Radial 3-year, transferable

 

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