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Radial ProDI Passive Direct Box
by Radial

List Price:
$115.00
FPL Price:
$99.99
Savings:
$15.01 (13.05%)
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Radial PRO DI Passive Direct Box
The Radial ProDI is a passive direct box that combines exceptional audio performance with solid dependable construction, making it the ideal general duty direct box for stage and studio.

The heart of the ProDI is a custom wound Radial transformer. It features an exceptionally high 140k? input impedance to reduce loading while enabling the ProDI to handle extreme signal levels at all frequencies without distortion. This is further improved upon with an internal mu-metal shield to protect against electromagnetic fields that can cause unshielded transformers to distort.

This compact direct box begins with 14-gauge steel I-beam skeleton for added rigidity and Radial's unique book-end design that creates a protective zone around switches and connectors. Glass filled nylon connectors and high cycle switches combine with the mil-spec PCB and internal RF filtering to provide durability and noise-free performance. A full bottom no-slip pad provides both mechanical isolation and electrical insulation to further protect against the rigors of professional touring.

The ProDI is ideally suited for instruments such as bass guitar, active acoustics, keyboards and just about anything else! When you consider all of the features and the affordable price tag, it is no wonder the Radial ProDI has become one of the most popular direct boxes ever made.

The Radial ProDI… Spectacular performance at a price that anyone can afford!

Radial PRO DI Passive Direct Box
  • Full range passive direct boxes
  • Isolation transformer eliminates noise
  • Very low harmonic and phase distortion
  • Compact and rugged design
  • Ideal for live sound and studio
  • Typical ProDI Applications: Active acoustic guitars, bass guitars, Electric pianos, synthesizers, Drum machines, samplers, DJ mixers, CD, DVD and Mp3 players
  • Really easy to use
  • Passive - no batteries or psu required
  • Isolated to get rid of buzz and hum
  • Built like a tank

Radial PRO DI Passive Direct Box
  • Audio circuit type: Passive, transformer based
  • Number of channels: Single channel (mono)
  • 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, mu-metal can
  • Input pad: -15dB
  • Ground lift: Disconnects pin-1 at XLR output
  • XLR configuration: AES standard (pin-2 hot)
  • Connectors: 1/4" in & thru, XLR-M out
  • Construction: 14 gauge steel chassis & outer shell
  • Finish: Durable powder coat
  • Size: 70 x 108 x 44mm (2.75" x 4.25" x 1.75")
  • Weight: .54kg (1.2lbs)
  • Power: Passive, no power required
  • Conditions: For use in dry locations only between 5°C and 40°C
  • Warranty: Radial 3-year, transferable

Radial PRO DI Passive Direct Box
(1) Radial Engineering Pro DI Passive Direct Box