Lehle MV Active Mono Volume Pedal

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Lehle
Lehle MV Active Mono Volume Pedal
Lehle MV Active Mono Volume Pedal Lehle MV Active Mono Volume Pedal Lehle MV Active Mono Volume Pedal Lehle MV Active Mono Volume Pedal Lehle MV Active Mono Volume Pedal Lehle MV Active Mono Volume Pedal Lehle MV Active Mono Volume Pedal Lehle MV Active Mono Volume Pedal

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$279.99
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  • Magnetic Sensor

  • Adjustable Gain

  • Voltage Internally Doubled to 18V

Details

The Lehle Mono Volume is a volume pedal equipped with a precise magnetic sensor enabling it to operate almost wear-free. This sensor uses the Hall effect, named after Edwin Hall, to measure the strength of magnetic fields. In the Lehle Mono Volume the Hall sensor, which is made in Germany, is accurately calibrated to the built-in magnet and the control range of the pedal. The pedal moves only the magnet, the distance is measured by the Hall sensor which controls a VCA.
A premium Blackmer VCA (= Voltage Controlled Amplifier) from the United States replaces here in this case the mechanical potentiometer. The principle of the voltage-controlled amplifier is based on the fact that gain can be varied by the control voltage coming from the Hall sensor. This technique allows to operate more precisely than conventional mechanical potentiometers or optical sensors used by the standard volume pedals. In addition the potentiometer-typical noise and the complicated adjustment are eliminated.
Over the entire control range the Lehle Mono Volume transmits the full sound spectrum of the connected instrument. The input and output impedance always stay the same, ensuring that there will be no damping of higher frequencies as with potentiometers.
Internally, the input voltage coming from the power supply socket of the pedal is rectified, then filtered, stabilized and doubled to 18V, thus achieving a total dynamic range of 110 dB.
The volume control of the Lehle Mono Volume ranges from -92 dB to 0 dB - so from a virtually muted level to the same volume. With a potentiometer a gain up to +10 dB boost can be additionally adjusted.
The Lehle Mono Volume runs mechanically extremely smooth and steady, as it is equipped with low-friction bearings of a high-performance polymer, and there is no mechanical transmission of the pedal to other components. By means of an adjusting screw the mobility of the pedal can be modified very precisely.
Furthermore, the Lehle Mono Volume has a buffered direct out which can supply a tuner, DAW or a second amp without affecting the sound.

 

Features

Magnetic Sensor

Potentiometers, which are usually installed in volume pedals, are always exposed to extreme wear and tear, so they deteriorate quickly.In order to keep the mechanical stress and thus the wear of the pedal as low as possible, a magnetic sensor, which uses the "Hall effect“, is installed in the Lehle Mono Volume instead of a potentiometer. In accelerators of modern cars this has long been standard: a magnet is moved, and a stationary Hall sensor measures very precisely the distance. The magnetic sensor is therefore not exposed to mechanical wear, making these solutions work very reliably.

Adjustable Gain

Adjustment of volume or distortion using a gain controller is a vital feature in many situations. The gain controllers on the corresponding Lehle products feature black anodized aluminium knobs set back into the housing so that they can be easily fingertip rotated but keep their settings during performances and transportation.

Voltage Internally Doubled to 18V

To exploit the dynamics of tube amplifiers to the full, the input voltage of Lehle products bearing this symbol is rectified from the power supply socket, then filtered, stabilized and doubled to 18V.

Additional Information

SKU LEHLE-MV
UPC 4260142210354
Weight 4.0000
  • Weight: 1,620 g
  • Length: 26 cm (10.24‘‘)
  • Width: 10.16 cm (4‘‘)
  • Overall height: 6.6 cm (2.6‘‘)
  • Voltage: 9 - 15 V DC or 7 - 12 V AC
  • Power consumption: 50 mA
  • Frequency range: 50 Hz - 100 kHz (all controls in middle position)
  • THD: < 0,05 % at 1 kHz, -10 dBu
  • Impedance input: 2 MOhm
  • Impedance output: 500 Ohm
  • Signal-to-noise ratio: -102 dB at 1 kHz, 0 dBu A weighted
  • (control in “unity gain“ position)
  • Max level: 3 V RMS (ca. 12 dBu at 12 V input voltage)
  • Gain control (max amplification): +10 dB

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