Radial Engineering J-Iso - Stereo +4dB to -10dB Converter and Isolator
SKU: R800-1025-00
UPC: 676101038626
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The Radial J-Iso™ and Pro-Iso™ are stereo line isolators designed to convert a professional +4dB line level balanced signal to an unbalanced -10dB consumer level device. This enables you to take the balanced output of a mixer and feed a consumer level recorder or audio input on a computer.
The passive design begins with 100% discrete components throughout. A set & forget level control lets you attenuate the input signal to prevent it from overloading the destination device. Output connections include a stereo pair of ¼" connectors, a set of RCAs and a mini 3.5mm (1/8") for interfacing to a mini recorder or laptop computer. Transformer isolation helps eliminate hum and buzz caused by ground loops while eliminating stray DC currents from flowing. Construction begins with 14 gauge steel throughout utilizing Radial's unique bookend construction. This creates a protective zone around the connectors and controls for added durability. The steel construction also assists by shielding the transformers from outside magnetic fields. Inside, the J-Iso features an innovative I-beam skeletal insert that makes it virtually impossible to torque the PC board. This reduces potential stress which could cause premature solder joint failure.
Features:
• Stereo pro-to consumer audio interface
• RCA, 3.5mm and ¼” outputs, XLR inputs
• Variable output control to set optimum levels
• Transformer isolated to eliminate hum & buzz
Applications:
• Record direct from mixers and mic-preamps
• Interface +4dB pro-gear with unbalanced inputs
• Recording interface for laptops and MP3 players
• Swiss army problem solver and adaptor
Cool stuff:
• Passive design doesn’t need power
• ‘Plug & play’ easy-to-use anywhere
• Compact and solid to handle abuse
Technical Specification
- Audio circuit type Passive, transformer based
- Transformer Jensen JT-11-YMPC
- Number of channels Stereo (dual mono)
- Frequency response 20Hz ~ 20KHz (+0dB/ -1.5dB)
- Dynamic range 130dB
- Total harmonic distortion 0.001% @ 1kHz
- Phase Deviation 0.5° @ 100Hz; 1° @ 20Hz
- Input Impedance 1.3k Ohms, unbalanced
- Output Impedance 520 Ohms, balanced
- Common Mode Rejection Ratio -58dB
- Maximum Input +20dBu @ 1kHz/1% THD+N
- Ground lift, Level Control
- Input Connectors XLR
- Output Connectors 1/4", RCA and 3.5mm TRS unbalanced
- Construction 14 gauge steel chassis
- Size (L x W x D) 8.4cm x 12.7cm x 4.8cm (3.3" x 5" x 2")
- Weight 0.7 kg (1.55 lbs)
- Shipping size (L x W x D) 10.2cm x 7.6cm x 16.5cm (4" x 3" x 6.5")
- Shipping weight 0.87 kg (1.92 lbs)
- Power Passive, no power required
- Conditions For use in dry locations only between 5°C and 40°C
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