Radial Engineering J+4 Stereo Line Signal Driver

$359.99
Back-order - Dispatched after 5 days
ETA confirmed in <24hr - option to cancel
RRP $469.00

The Radial J+4 has a stereo preamp, boosting signals to +4dB balanced line level. Ideal for working with unbalanced low output devices such as instruments, computers or mobile devices and boost their signal. Isolated transformer so eliminating loops.

Radial J+4 Stereo Line Driver
The Radial J+4 has a stereo preamp, boosting signals to +4dB balanced line level. Ideal for working with unbalanced low output devices such as instruments, computers or mobile devices and boost their signal. Isolated transformer so eliminating loops.
 
Fix Your Unbalanced Signals
The Radial J+4 is a stereo interface designed to accept unbalanced low output level devices such as instruments, computers or CD players and boost the signal to a balanced +4dB level for easy manipulation in professional environments such as broadcast, recording studios and live to tour. The design begins with 100% discrete components for optimal signal transfer. Careful attention has been paid to eliminate noise by combining the advantages of active signal buffering with transformer isolation. The J+4 delivers better than 95dB signal to noise while ensuring hum and buzz caused by ground loops along with spurious noise from clocking does not pollute the signal path. For ease of use, controls have been kept to a minimum. This includes a stereo level control, a high pass (low cut) filter and ground lift. The choice of input connectors includes a stacked set of ¼" jacks for DJ mixers or keyboards, RCAs for CD players and a mini 3.5mm for iPods®.
 
Built for the Road
As with all Radial products, the Radial J+4 is built tough to handle the extreme rigors of professional touring. A unique 14-gauge steel I-beam inner frame ensures the sensitive PC board will not be subjected to outside stress which could potentially cause solder joints to fail. An innovative book-end outer shell creates protective zones around the controls, switches, and connectors to further improve dependability while a full bottom no-slip pad provides both mechanical and electrical isolation. The Radial J+4 balanced line driver delivers exceptional sonic performance, plenty of headroom and ultra low noise making it the ideal companion for today's more demanding professional audio systems.
 
Features:
  • Stereo preamp boosts signals to +4dB balanced line level
  • Increases gain for low output instruments & music players
  • Transformer isolated to eliminate noise caused by ground loops
  • Plenty of connector options - Plug and play easy to use
Specifications:
  • Audio circuit type: Active -10dB ~ +4dB line converter, transformer isolated
  • Number of channels: 2
  • Frequency response: 20Hz ~ 20KHz (± 2dB)
  • Dynamic range: 102dB
  • Total harmonic distortion: 0.004% @ 1kHz, +10dBu output
  • Phase Deviation: 0.5° @ 100Hz; 4° @ 20Hz
  • Input Impedance: 10k Ohms, unbalanced
  • Output Impedance: 1.6k Ohms, balanced
  • Maximum Input: +17dBu @ 1kHz, 1% THD+N
  • Maximum Output: +15dBu @ 1kHz, 1% THD+N
  • Ground lift, HPF, Level Control
  • Input Connectors: 1/4", RCA, 3.5mm
  • Output Connectors: XLR
  • Construction: 14-gauge steel
  • Size (LxWxD): 84mm x 127mm x 48mm 
  • Weight: 0.70 kg
  • Power: +15VDC/400mA adapter Included
  • Conditions: For use in dry locations only between 5°C and 40°C
View PDF brochure for Radial Engineering J+4 Stereo Line Signal Driver

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MPN: RA-J-4

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