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Lehle Mono Volume Pedal



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Product Description

Here's what Lehle say about the Mono Volume

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.

Q: Can the Lehle Mono Volume also be placed in the amp’s effect loop as a master volume control?
A: Due to the high impedance input and low impedance output it is possible to place the Lehle Mono Volume before the amp or in the amp’s effect loop. The effect loop should be serial or if parallel set to 100% wet.

Q: What’s the difference between the Lehle Mono Volume and the Lehle Mono Volume 90?
A: The Lehle Mono Volume has the connections at the front, while the Lehle Mono Volume 90 has the connections at the side and an additional control for the minimum volume.

Q: What is the effect of an impedance converter?
A: The sound will be freshened up and signal loss through long cable runs will be compensated.

Q: How can I compensate the signal loss on my effects board?
A: By using an impedance converter, which provides a high impedance input socket for the instrument signal and a low impedance output signal that is more resistent against loss.


  • Weight: 1,620 g
  • Length: 26 cm (10.24‘‘)
  • Width: 10 cm (3.94‘‘)
  • 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

Customer Reviews


10 reviews





Mr Clive Butterworth24th Jan 2023

Value 4Looks 5Durability 5Sound 5

Trusted Customer20th Apr 2021

Mrs ann wood13th Jan 2021

we used to have an old boss hall sensor volume pedal but the Lehlehas a much better action and sound

Value 5Looks 5Durability 5Sound 5

Trusted Customer2nd Sep 2020

Value 4Looks 4Durability 5Sound 5

Mr Gary Yates6th May 2020

Not what I expected, poor output

Value 3Looks 4Durability 4Sound 4

Mr Brenton Adams5th Aug 2019

The best volume pedal I’ve owned. No more Ernie ball tone **** and snapped cords. The improvement was noticeable instantly, playing fake pedal steel moves on my thin line telecaster with a bottleneck the Tone was fuller and clearer than ever before and the smooth sweep and taper of the pedal made for a far more convincing pedal steel sounding swell. Awesome.

Adam Gorman28th Jul 2019

Strongly advise this if you want a bomb proof volume pedal! Been through a few before that don't pass the touring test.

Mr. Peter Smith26th Jun 2019

It's a great pedal without the issue of broken strings and scratchy pots inherent in some other pedals. I would suggest however that Lehle look again at the rubber feet, because despite being difficult to fit, they fall out very easily if you drag the pedal across a carpet for instance and can get lost as they are so small. Apart from that it's a great pedal.

Trusted Customer5th Mar 2019

Lovely volume pedal, poor floor grip (lugs are prone to coming out)

Trusted Customer17th Nov 2018

Been using Ernie ball for years, but this is a superior beast on every level, esp as the vol pedal is the most important device I use.

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Andertons Music Company's Registered Office: 58-59 Woodbridge Road, Guildford, GU1 4RF. Andertons Music Company acts as a credit broker and not a lender and only offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. Not all products offered by Secure Trust Bank PLC are regulated by the Financial Conduct Authority. Andertons Music Company is authorised and regulated by the Financial Conduct Authority, firm registration number 716155. Credit provided subject to age and status.