Radial ProDI Pro Passive DI Box

The Radial ProDI Passive Direct Box is a high-quality, single-channel DI box designed for stage and studio use. Utilizing an Eclipse ET-DB2 transformer with a 12:1 ratio, the ProDI ensures exceptional audio performance with a wide frequency response and low distortion. Its durable construction and reliable passive design make it an essential tool for any musician or audio engineer.

Features

• Passive Transformer-Based Circuit: Ensures superior audio quality with no need for external power.
• Eclipse ET-DB2 Transformer: 12:1 ratio for optimal signal conversion.
• Wide Frequency Response: 20Hz to 18.5kHz (± 0.2dB) for accurate audio reproduction.
• High Dynamic Range: 128dB dynamic range for clear and detailed sound.
• Low Distortion: Total harmonic distortion of 0.01% from 20Hz to 20kHz @ -10dB.
• Ground Lift and Input Pad: Eliminates ground loop hum and allows for handling hot signals.
• Rugged Construction: 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: Single channel (mono)
• 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
• Features: Input pad, ground lift
• Input Connectors: 1/4" in & thru
• Output Connectors: XLR-M out