Small, compact, and powerful, the Radial J+4 Balanced -10 dB to +4 dB Signal Driver is a versatile device designed to support low output level devices such as instruments, computers, and CD players. Acting as a stereo pre-amp, it boosts the signal to +4 dB, optimizing it for professional applications like broadcasting, studio recording, and live performances.
Featuring an isolated transformer design, the J+4 eliminates ground loop noise, providing authentic and crystal-clear sound reproduction. User-friendly controls include a stereo level control, high-pass filter, and ground lift. The J+4 offers multiple connection options with 2 x 1/4 jack inputs, RCA and 3.5mm inputs, and 2 x XLR outputs.
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Key features of the Radial J+4 Balanced -10 dB to +4 dB Signal Driver include:
– Stereo preamp that boosts signals to +4 dB balanced line level
– Increase gain for low output instruments and music players
– Isolated transformer design
– Plug & play use
– Ideal for broadcasting, recording studios, and live touring
– Minimal hum & buzz
– High-pass low cut filter
– Ground lift
– Designed to withstand testing touring environments with 14-gauge steel I-beam inner frame and book-end design
– No-slip pad
Specifications:
– Audio Circuit Type: Active -10 dB +4 dB Line Converter Transformer Isolated
– Number Of Channels: Stereo
– Frequency Response: 20Hz – 20kHz (±2 dB)
– Dynamic Range: 102 dB
– Maximum Input: +17 dBu @ 1kHz 1 Percent THD+N
– Total Harmonic Distortion: 0.004 Percent @ 1kHz +10 dBu Output
– Phase Deviation: 0.5° @ 100Hz; 4° @ 20Hz
– Input Impedance: 10kΩ Unbalanced
– Output Impedance: 1.6kΩ Balanced
– J+4 Transformer: Radial Custom Transformer
– High Pass Filter: -3 dB @ 100Hz (12 dB Oct)
– Ground Lift: Disconnects XLR Pin-1 At Isolated Output
– XLR Configuration: AES Standard (Pin-2 Hot)
– Connectors: 1/4 RCA 3.5 mm Inputs; XLR-Female Outputs
– Construction: 14 Gauge Steel Chassis and Outer Shell
– Finish: Durable Powder Coat
– Power: +15VDC/400mA Adaptor (Included)
– Conditions: For Use In Dry Locations Only Between 5°C and 40°C
– Weight: 700 g
– Dimensions Height: 127 mm Width: 84 mm Depth: 48 mm
– Product Code: R800-8015-00
