RadialProDI Passive Direct Box
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Incorporating a solid, reliable body with extraordinary audio quality, the ProDI™ is a passive direct box that is ideal for both studio and stage alike. With an internal MuMETAL® shield, the isolation removes any distortion or noise created by ground loops leaving you with a clean signal.
World Class DI
The heart of the ProDI is a custom wound Radial transformer. It features an exceptionally high 140kΩ 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 MuMETAL® shield to protect against electromagnetic fields that can cause unshielded transformers to distort.
- Audio circuit typePassive, transformer based
- TransformerEclipse ET-DB2, 121 ratio
- Number of channelsSingle channel (mono)
- Frequency response20Hz ~ 18.5KHz (± 0.2dB)
- Dynamic range128dB
- Total harmonic distortion0.01% from 20Hz~20kHz @-10dB
- Phase Deviation1° @ 100Hz; 8° @ 20Hz
- Input Impedance140k Ohms, unbalanced
- Output Impedance150 Ohms, balanced
- Maximum Input+18dB @ 20Hz
- FeaturesInput pad, Ground lift
- Input Connectors1/4" in & thru
- Output ConnectorsXLR-M out
- Construction14 gauge steel chassis & outer shell
- Size (L x W x D)4.25” x 2.75” x 1.75" (108 x 70 x 44mm)
- Weight1.2lb (0.54kg)
- Shipping size (L x W x D)6.5" x 4" x 3" (165 x 76 x 102mm)
- Shipping weight1.35lb (0.61kg)
- PowerPassive, no power required
- ConditionsFor use in dry locations only between 5°C and 40°C
- WarrantyRadial 3-year, transferable
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