The BASSWITCH DUAL BAND COMPRESSOR is a high-end compressor in pedal size built especially for bass instruments.
By intelligently linking parameters like attack and release, the amount of controls could be reduced whilst those parameters are dynamically adjusted to the bass-signal. So, operating this device becomes an intuitive, simple and fast act - a clear benefit for live performances.
Equipped with two fully fledged high-end compressors working in two adjustable frequency-ranges, the BASSWITCH DUAL BAND COMPRESSOR allows effective and harmonious compression of bass signals.
This includes contouring fast staccato-passages, well-defined slapping-lines and a smooth concentration of the sound.

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Demo by Guitar Interactive Magazine

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Review by Michael Buchen, gitarrebass.de

Review by Rainer Wind, bonedo.de

Official Product Video

Basswitch Dual Band Compressor

The LEHLE DUAL SGOS is the second evolutionary stage of the highly successful programmable switcher for two amps plus tuner. This unit makes it possible to play through two amplifiers individually or simultaneously, either as a stand-alone unit or in a network with other Lehle SGoS switchers. A particularly popular combination is the LEHLE DUAL SGOS with the LEHLE D.LOOP SGOS. Programming is as easy and intuitive as you would expect from a Lehle product, and can also be done remotely, using MIDI program change commands. Hum loops are completely excluded, thanks to electrical isolation of outputs A and B by the LEHLE TRANSFORMER HZ high-end transformer. Gold-plated-contact relays, ground switches and phase inverters assure the full, loss-free guitar sound. The potentiometers are in the signal path when output A and B are active simultaneously, and the volume of the two amps can be balanced - producing a third sound you've never heard before! Output T, basically intended for instrument tuners, can also be used for a third amp or for a second channel for amp B, opening up even more potentials. The gold-plated-contact relays feature active pop-and-click suppression, outputs A and B can be muted for undisturbed instrument tuning. Welcome to the new Duality!

Review by The Gear Page

Demo by Isurus

Demo by danabgoods

Review by Thomas Dill, bonedo.de

DUAL SGOS

Drücke dich aus und zwar gleich zweimal: das LEHLE DUAL EXPRESSION ist ein aktives, verschleißfreies Expression-Pedal, das mit einer sehr präzisen Magnet-Sensor-Technologie ausgestattet ist.
Bekannt von den LEHLE VOLUME Pedalen, nutzt der Sensor den Hall-Effekt, benannt nach Edwin Hall zur Messung der Stärke von Magnetfeldern.
Beim LEHLE DUAL EXPRESSION wird der Hall-Sensor auf den eingebauten Magneten und den Regelweg des Pedals exakt kalibriert, wobei das Pedal nur den Magneten bewegt, dessen Abstand vom Hall-Sensor gemessen wird.
Zwei digitale Potentiometer, die analoge Spannungen verarbeiten können, dienen zur präzisen und zuverlässigen Erzeugung der Expression-Werte.


Express yourself, twice! The LEHLE DUAL EXPRESSION is an active, wear-free expression pedal equipped with a precise magnetic sensor. Known from the LEHLE VOLUME pedals, this sensor uses the Hall effect, named after Edwin Hall, to measure the strength of magnetic fields. In the LEHLE DUAL EXPRESSION the Hall sensor is accurately calibrated to the built-in magnet and the control range of the pedal – where the pedal moves only the magnet, whose distance is measured by the Hall sensor. Two digital potentiometers, working with analogue voltages, are used for the precise and reliable generation of the expression data. This technology allows distinctly more accurate operation than is offered by conventional expression pedals with mechanical potentiometers. There is no mechanical wear, avoiding the need for maintenance or complicated adjustments. Both outputs can control nearly all common devices with expression inputs from 5k to 100k, regardless if TS, TRS or RTS – the polarity can be switched and stored using the soft-push buttons. Alternatively, the 10k output can be set to work as a latching or momentary switch, if the pedal is pushed in fully toe position. Then e.g. the channel of an amp can be changed or, connected to a switch-input of a digital device, any desired function can be controlled. Via the USB socket you can send MIDI data to a computer, in order to control midi compatible software. In use, the LEHLE DUAL EXPRESSION is extremely smooth and steady under foot, as it is equipped with low-friction bearings of a high-performance polymer. By means of an adjusting screw the mobility of the pedal can be modified with great precision. Compared to the LEHLE MONO VOLUME we were able to reduce the weight by 50% and the size by 35% – with the same rugged stability. It’s even 2 cm flatter, however the pedal range stays the same - just as comfortable and responsive as the larger models. Light, small, and twice the precise expression: LEHLE DUAL EXPRESSION.

Demo by shnobel

Review by Simon S, amazona.de

Review by Haiko Heinz, bonedo.de

Demo by LehleSwitcher 

Dual Expression

Das LEHLE MONO VOLUME 90 ist ein verschleißfrei funktionierendes Volumenpedal, das mit einem sehr präzisen Magnet-Sensor ausgestattet ist. Dieser Sensor nutzt den Hall-Effekt, benannt nach Edwin Hall zur Messung der Stärke von Magnetfeldern. Beim LEHLE MONO VOLUME 90 wird der Hall-Sensor aus deutscher Produktion auf den eingebauten Magneten und den Regelweg des Pedals exakt kalibriert. Das Pedal bewegt nur den Magneten; dessen Abstand wird vom Hall-Sensor gemessen, der dann einen VCA ansteuert.
Der hochwertige Blackmer® VCA (= Voltage Controlled Amplifier, also Spannungsgesteuerter Verstärker) aus den USA ersetzt hier das mechanische Potentiometer. Das Prinzip der spannungsgesteuerten Verstärker beruht darauf, dass die Verstärkung durch die vom Hall-Sensor kommende Steuerspannung variiert wird. Dieses Verfahren ermöglicht ein deutlich präziseres Arbeiten als die üblichen mechanischen Potentiometer oder optischen Sensoren der gängigen Volumenpedale, außerdem entfallen das Poti-typische Rauschen oder die umständliche Justierung. Über den gesamten Regelweg überträgt das LEHLE MONO VOLUME 90 das volle Klangspektrum des angeschlossenen Instruments. Die Eingangs- und Ausgangsimpedanz bleibt immer gleich, dadurch gibt es keine Höhendämpfung wie bei einem Poti. Intern wird die Eingangsspannung des Pedals hinter der Stromversorgungsbuchse gleichgerichtet, gefiltert, stabilisiert und anschließend auf 18 Volt verdoppelt. Dadurch ist es sehr pegelfest und erreicht so einen Gesamtdynamikumfang von 110 dB.
Die Lautstärkeregelung des LEHLE MONO VOLUME 90 geht von -92 dB bis 0 dB - also von praktisch stumm bis gleich laut. Mit Hilfe des MIN Reglers lässt sich die Mindestlautstärke des MONO VOLUME 90 einstellen; er regelt dabei einen Bereich von stumm (0%) bis -10dB (ca. 90%) des Originalpegels. Darüber hinaus kann mit dem Gain Regler noch eine Verstärkung von ca. +12 dB eingestellt werden.
Das LEHLE MONO VOLUME 90 läuft mechanisch extrem ruhig und gleichmäßig, da es mit Low-Friction-Gleitlagern aus einem Hochleistungspolymer ausgestattet ist und keinerlei mechanische Übertragung des Pedals an andere Bauteile gibt. Mittels einer Stellschraube lässt sich die Gängigkeit des Pedals sehr genau einstellen.
Zusätzlich verfügt das LEHLE MONO VOLUME 90 über einen gebufferten Direct Out. Hier kann von Tuner, DAW bis zum zweiten Amp alles versorgt werden, ohne den Sound zu beeinflussen.

The LEHLE MONO VOLUME 90 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 90, 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 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 90 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 90 ranges from -92 dB to 0 dB - so from a virtually muted level to the same volume. Using the MIN control, the minimum volume of the LEHLE MONO VOLUME 90 can be set within a range from mute 0% to 90% (-10 dB). Furthermore, a gain up to +12 dB boost can be additionally adjusted via the GAIN control.
The LEHLE MONO VOLUME 90 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.
In addition, the LEHLE MONO VOLUME 90 has a buffered direct out which can supply a tuner, DAW or a second amp without affecting the sound.
In- and output jacks on the side of the pedal make the LEHLE MONO VOLUME 90 an ideal device for pedal steel players – without any obstruction, the pedal can be placed in the usual spot on the pedal steel rack.

Review by Axel Ritt, amazona.de

Mono Volume 90

• Analoger Signalpfad – digitale Steuerung
• High-End-Preamp mit diskreter Class-A-Eingangsstufe
• 120 dB Dynamik dank 30-V-Technologie
• Magnet-Sensor-Technologie ohne mechanischen Verschleiß
• Präzise Lautstärkeregelung durch analogen VCA
• MIDI via USB
• Optimierte Größe und Gewicht

• Analogue signal path – digital control
• High-end preamp with discrete Class-A input stage
• 120 dB dynamic range thanks to 30 V technology
• Magnetic sensor technology, without mechanical wear
• Precise volume control from analogue VCA
• MIDI via USB
• Optimised size and weight

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