® True to the Music Jensen Twin-Servo 500 ™ 500 Series Module User Guide Radial Engineering Ltd. 1588 Kebet Way, Port Coquitlam, British Columbia, Canada, V3C 5M5 Tel: 604-942-1001 • Fax: 604-942-1010 • Email: info@radialeng.com...
Block Diagram ..............7 Specifications ..............8 Warranty ............Back cover Thank you for purchasing the Jensen Twin-Servo 500™ series mic preamp. We are confident that as you become familiar with and gain experience using this device, you will quickly find that it is an exceptional sounding preamp for any application.
8. oMNiPorT: Available when used with the Radial Workhorse, the Omniport accesses a hi-Z instrument input. 9. JeNSeN Dual 990 oPaMPS: 100% discrete audio signal path without any tone shifting ca- pacitors. 10. JeNSeN ouTPuT TraNSForMer: The JT- 11-EM is linear from 2Hz~200kHz with less than 0.001% distortion at 20Hz.
Jensen transformers at the input and output deliver an amazing amount of bandwidth, extending the natural low end and providing for huge amounts of headroom. The Twin-Servo can provide up to 60dB of gain, perfect for source material with a high dynamic range.
(ground) and pin-2 (hot) wires to power the connected device. Simply engage if needed. Be careful to turn off your audio system before activating! This will avoid a big ‘bang’ in your audio system due to the power-turn-on transient. Radial Engineering Ltd. Jensen Twin-Servo 500 Module ™...
This also greatly reduces the life span of the contacts. Damage due to hot swapping is not covered under warranty. There are no user serviceable parts inside. Radial Engineering Ltd. Jensen Twin-Servo 500 Module ™...
Most modern ribbon microphones have plenty of output and can connect directly to the Twin- Servo’s low noise circuitry. When using old vintage mics, add the Radial McBoost to increase the output by up to 25dB for a total of about 85dB of gain! Radial Engineering Ltd. Jensen Twin-Servo 500 Module ™...
® True to the Music SPeCiFiCaTioNS* Circuit Type: ........100% discrete using original Deane Jensen circuit with IC DC servo Microphone Input: ................Transformer coupled, Jensen JT-15kE Power: ............................. 110mA Frequency Response: ............14Hz to 85kHz / 8Hz to 100kHz (±1dB / ±3dB) Input Impedance - XLR:........................1.3kΩ...
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THREE YEAR TRANSFERABLE LIMITED WARRANTY RADIAL ENGINEERING LTD. (“Radial”) warrants this product to be free from defects in material and workmanship and will remedy any such defects free of charge according to the terms of this warranty. Radial will repair or replace (at its option) any defective component(s) of this product (excluding finish and wear and tear on components under normal use) for a period of three (3) years from the original date of purchase.
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