Categories: Direct Boxes
The ProDI from Radial Engineering is a high-quality, single-channel, ultracompact passive direct box designed to handle high-output instruments without distortion.
The unit features a custom-made transformer that is able to handle high levels without saturation and has a linear frequency response from 20 Hz to 18.5 kHz, making it ideal for electronic musical instruments and audio equipment. Also featured is a -15 dB pad for high-output sources and ground-lift switch to troubleshoot noise from ground loops.
A 14-gauge welded I-beam inner chassis and outer shell greatly reduce the possibility of torque stresses being applied to the PC board. A full-bottom no-slip rubber pad works double-duty by providing protection from electrical shock and making sure the ProDI stays put.
| Item Type | Standard DI |
| Number of Channels | Single-Channel |
| Active/Passive | Passive |
| Circuitry | Solid-State |
| Pad | -15 dB |
| Ground Lift | Yes |
| Polarity Reverse | No |
| Low-Cut/High-Pass Filter | No |
| Audio I/O | 1x 1/4" TS Unbalanced Input 1x 1/4" TS Unbalanced Thru 1x XLR 3-Pin Balanced Output |
| Frequency Response | 20 Hz to 18.5 kHz ±2.5 dB |
| Maximum Input Level | +18 dB |
| Total Harmonic Distortion/Noise | 0.01% (from 20 Hz to 20 kHz at -10 dB) |
| Operating Voltage | No Power Required |
| Dimensions | 4.2 x 2.7 x 1.7" / 108 x 70 x 44 mm |
| Weight | 1.2 lb / 540 g |
| Package Weight | 1.35 lb |
| Box Dimensions (LxWxH) | 6.3 x 4.1 x 3" |
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