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Radial Jensen Twin-Servo 500 Series Mic Preamp

Radial Jensen Twin-Servo 500 Series Mic Preamp

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MSRP: $1,200.00
Your price: $999.99
You Save: $-200.01
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Radial Jensen Twin-Servo 500 Series Mic Preamp
Radial Jensen Twin-Servo 500 Series Mic Preamp
Radial Jensen Twin-Servo 500 Series Mic Preamp
Radial Jensen Twin-Servo 500 Series Mic Preamp
Radial Jensen Twin-Servo 500 Series Mic Preamp
  • The Radial Engineering Jensen Twin-Servo 500 Series Mic Preamp is a faithful recreation of Deane Jensen's original Twin-Servo 990 mic pre, regarded by many audio professionals as one of the finest preamps ever made.

     

    This mic preamp has pedigree. The circuit designed by the Jensen engineering team includes two cascaded 990 op-amps to share the load and provide 60 dB of clean gain. The two servos eliminate the need for signal-degrading capacitors in the audio path and allow for less than -120 dBu of noise.

    Engineered for superior sound quality, the two oversized input and output Jensen transformers are a crucial part of the design. They contribute to lowering the noise floor and freeing the signal from hum and RF interference, while producing an extended frequency response and plenty of headroom.

    Augmented by a 180º polarity-reverse switch, a -15 dB pad, and a high-pass filter that eliminates excessive low-end, the Twin-Servo opens musical tone-shaping possibilities. Other features include a dual-gang potentiometer for optimal gain, a 10-segment LED meter that gives instant visual feedback for the input signal and a 48V phantom power-activation switch to power condenser microphones. The front-panel Neutrik combo connector offers the choice of XLR microphone input and standard hi-Z 1/4" instrument input.

    Re-imagined for today, this adaptation of the Jensen Twin-Servo fits the popular 500 series format.

    Jensen Mic Input Transformer
    The JT-16-PCJR is exceptionally quiet and linear from 5 Hz to 50 kHz with less than 0.06% distortion at 20 Hz
    Jensen Dual Op-Amps
    100% discrete audio signal path without any tone-shifting capacitors
    Jensen Output Transformer
    The JT-11-EM is linear from 2 Hz to 200 kHz with less than 0.001% distortion at 20 Hz
    180° Polarity-Reverse Switch
    Reverses pins 2 and 3 at the output to help phase-align microphones when two channels are in stereo use
    10-Segment Meter
    10-Segment Peak Indicator with Hold. Custom-designed circuit for greater VU accuracy
    Dual-Gang Pot
    Simultaneously controls the dual-990 op-amp topology for optimal gain at all levels
    High-Pass Filter
    Gentle high-pass filter may be inserted into the signal path to reduce excessive low-frequency content and control resonance
    Pad
    Reduces the input sensitivity by -15 dB when amplifying exceedingly high output sources
    48V
    Activates the 48V phantom power supply for use with condenser microphones and active direct boxes
    Combo Input
    Combination balanced XLR mic input and 1/4" instrument input is mounted on front panel for ease of use
    Ground Lift Switch
    Set-and-forget rear-panel ground switch lifts the pin-1 ground at the XLR input
    Omniport
    Available when used with the Radial Workhorse, the Omniport accesses a hi-Z instrument input
    Full Enclosure
    100% encased steel casing reduces magnetic interference from nearby modules that may cause noise pollution
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