1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 RADIAL JS3 MIC SPLITTER JS-3

Part Number: 000120

RADIAL JS3 MIC SPLITTER JS-3 - Part Number 000120
RADIAL JS3 MIC SPLITTER JS-3 Radial JS•2 and JS•3 Mic Splitters • 100% isolation to eliminate ground loops • Jensen transformer-equipped for best sound • Choice of 2 or 3 way designs for flexibility • Microphone or line level signal handling • Compact design - may be J-Rak mounted • Ultra rugged 14-gauge steel construction The Radial JS•2 and JS•3 are Jensen Transformer equipped mic splitters that allow a balanced source to drive multiple destinations via standard XLR connectors. These passive devices feature a premium nickel laminated core transformer for exceptionally low harmonic distortion without the usual phase shift caused by lesser steel core transformers. The undisputed benefit of 100% transformer isolation provides better than -90dB common mode noise rejection (CMR), thus eliminating troublesome hum & buzz caused by stray voltage and ground loops. These ‘problem-solvers’ offer a simple yet highly effective interface for microphones or direct boxes, and with the addition of the -30dB pad, consumer and line level devices may be employed without distortion or fear of overload due to saturation. The Radial JS•2 and JS•3 mic splitters feature a rugged 14-gauge steel construction for maximum durability. A unique book-end design creates a protective zone for switches and connectors against the harsh environment of concert touring. An internal welded I-beam skeleton houses the PC board, creating a virtually indestructible monocoque design that makes it impossible to torque the circuitboard. This eliminates stress on the solder points which can cause cold solder joints to develop. This innovative design also has the unique advantage of allowing up to 8 units to be rack-mounted using the Radial J-Rak. The J-Rak is a heavy-duty rack shelf that allows the splitters to span across a vertical array using only two 19” rack spaces. The Radial JS•2 and JS•3 mic splitters are easy to use, flexible and sound great! JS•3 Features & Specifications Look inside a JS•2 or JS•3 and you will find the build quality and components to be of the highest professional standards. Radial's proven construction methods and materials ensure highest performance and years of trouble-free service. The JS•2 and JS•3 feature Jensen transformers – the best audio transformers in the industry – to achieve the highest possible signal integrity and phase coherence while eliminating hum and buzz caused by ground loops. Inside the JS•3 (click to view JS•2) 1. Isolated XLR connectors to eliminate chassis ground potential. 2. Jensen audio transformer on input provide 100% isolation to eliminate hum and noise causing ground loops. 3. Military spec PC board with full surface ground plane to reduce susceptibility to RF noise. 4. High grade switches - long life, high cycle for reliable performance. 5. 14-gauge steel welded I-beam construction makes it virtually impossible to torque the PC board. JS•3 Input and Output Panels 6. PAD Input –30dB - reduces the level going in from loud sources that could overload the circuit and cause distortion. 7. INPUT Microphone 600 Ohm - balanced input, female XLR connector, AES standard with Pin-1 ground and Pin-2 hot. 8. THRU Direct 600 Ohm - direct output male XLR connector, AES standard with Pin-1 ground and Pin-2 hot. 9. Book-end design creates a protective zone around the switches & connectors – indestructible 14-gauge steel construction. 10. Full no-slip rubber bottom pad provides mechanical isolation, electrical insulation and prevents unit from sliding around. 11. Heavy-duty baked enamel finish for excellent durability and great looks for years! 12. OUTPUT Isolated-2 600 Ohms - balanced male XLR output connector; AES standard with Pin-1 ground and Pin-2 hot. 13. LIFT Ground pin-1- switch lifts pin-1 for the 'Isolated-2' output. 14. OUTPUT Isolated-1 600 Ohms - balanced male XLR output connector; AES standard with Pin-1 ground and Pin-2 hot. 15. LIFT Ground pin-1 - switch lifts pin-1 for the 'Isolated-1' output. Construction The JS•2 and JS•3 are designed to withstand the rigors of high- use professional environments! Radial's innovative 'book cover' design provides a protective zone around the switches and connectors that keeps these components safe. Stress on circuitboards causes broken and intermittent solder joints, a common cause of failure in commercial rental and other high-use environments. Radial's 14-gauge welded I-beam inner chassis and 14-gauge outer shell greatly reduce the possibility of torque stresses being applied to the PC board. A full-bottom no-slip rubber pad works double duty by (a) providing protection from electrical shock and (b) assuring that these splitters won’t slip and slide around. JS•3 Specifications Input impedance: 578Ohms (1kHz, -20dBu) Insertion loss: 1.2dB Voltage gain: -1.2dB (1kHz, -20dBu) Deviation from linear phase: +2.8/-0° (20Hz to 20kHz, -20dBu) Frequency Response: 10Hz to 80kHz Distortion (THD): 0.001% (1kHz, -20dBu) 0.05% (20Hz, -20dBu) Maximum input level: +2.0dBu (20Hz, 1%THD) Common-mode rejection ratio (CMRR): 130dB (60Hz) 96dB (3kHz) Output Impedance: 254 Ohms Size (H x W x D): Size (H x W x D): 2” x 3.25” x 5” Weight: 1.95lbs / .9kg Construction: 14-gauge steel chassis & shell, baked enamel finish Warranty: 3 years on device, 20yrs on Jensen transformers
Jensen transformer-equipped for best sound! 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985

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