Radial JDI Jensen-Equipped Passive Direct Box - Pristine Instrument DI
The Radial JDI is a high-performance passive direct box designed for live touring and professional studio recording, delivering transparent, distortion-free audio from guitars, basses, keyboards, and digital instruments. Featuring a premium Jensen transformer, it handles extreme signal levels without phase distortion or overload, offering ruler-flat response from 10 Hz to 40 kHz. Completely passive and battery-free, the JDI eliminates 60-cycle ground loops, ensuring clean, natural tone over long cable runs. Its rugged I-beam steel chassis withstands the rigors of touring, making it a favorite among audio engineers for its reliability and sonic purity.
Exceptional Jensen Transformer
The JDI's nickel-laminated Jensen audio transformer provides outstanding linearity, huge dynamic range, and virtually zero phase distortion, smoothing peaks while preserving the source's character. This passive design excels with high-output active instruments and broadband signals, preventing clipping and ensuring consistent performance without power requirements.
Key Features of the Radial JDI
- Passive DI with Jensen transformer for pristine audio
- Handles extreme signal levels without distortion
- Ruler-flat frequency response: 10 Hz–40 kHz
- No batteries or phantom power required
- -30 dB pad for hot signals and speaker-level inputs
- Ground lift and polarity reverse switches
- Rugged I-beam steel chassis for touring durability
- Ideal for guitars, basses, keyboards, and digital sources
- Eliminates 60-cycle ground loops
Technical Specifications
- Type: Passive direct box
- Input: 1/4" TS instrument
- Output: XLR balanced
- Frequency Response: 10 Hz–40 kHz (±1 dB)
- Max Input Level: +21 dBu (unpadded), -9 dBu (padded)
- Pad: -30 dB
- Transformer: Jensen JT-DB-E, nickel-laminated
- Power: None (passive)
- Dimensions: 5 x 3.3 x 1.8 in (127 x 84 x 46 mm)
- Weight: 1.55 lbs (0.7 kd)
- Warranty: 3-year transferable
