Radial ProD8 8-Channel Rackmount DI Box

The Radial ProD8 is an 8-channel, 19" rack-mountable direct box designed for professional concert touring and optimized for keyboards. Featuring custom-wound Eclipse ET-DB2 transformers and RF filtering, the ProD8 handles excessive signal levels without distortion and delivers a linear response across the audio spectrum. This high-performance DI box is ideal for use with instruments or playback systems in demanding live environments.

Features

• 8-Channel Passive DI: Designed for professional concert touring, optimized for keyboards, and suitable for instruments or playback systems.
• Custom Eclipse Transformers: Incorporates Eclipse ET-DB2 transformers for superior audio performance.
• Wide Frequency Response: 20Hz to 18.5kHz (± 0.2dB) ensures accurate sound reproduction.
• High Dynamic Range: 128dB dynamic range for clear, detailed audio.
• Low Distortion: Total harmonic distortion of 0.01% from 20Hz to 20kHz @ -10dB.
• Minimal Phase Shift: Phase deviation of 1° @ 100Hz and 8° @ 20Hz.
• RF Filtering: Protects against radio frequency interference.
• User-Friendly Features: Includes input pads, 180° polarity reverse, and ground lift switches for each channel.
• Rugged Construction: Built with a 14-gauge steel chassis and outer shell for durability.

Specifications

• Audio Circuit Type: Passive, transformer-based
• Transformer: Eclipse ET-DB2, 12:1 ratio
• Number of Channels: 8
• Frequency Response: 20Hz ~ 18.5kHz (± 0.2dB)
• Dynamic Range: 128dB
• 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
• Maximum Input: +18dB @ 20Hz