Lehle Little Dual Operating Instructions Manual
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Lehle Little Dual Operating Instructions Manual

Lehle little dual amp switcher operating instructions
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Lehle Little Dual

Operating instructions

Lehle GmbH • Grenzstr. 153 • D-46562 Voerde • Germany • Tel +49 (0) 2855 850070

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Summary of Contents for Lehle Little Dual

  • Page 1: Operating Instructions

    Lehle Little Dual Operating instructions Lehle GmbH • Grenzstr. 153 • D-46562 Voerde • Germany • Tel +49 (0) 2855 850070...
  • Page 2 I have been building units that switch, split and route signals with no technical compromises and with maximum musical fidelity since 1999. Your new Lehle Little Dual comprises only the very best components. Every assembly of your Lehle Little Dual has been made and tested in Germany.

  • Page 3: Table Of Contents

    - Lehle Little Dual as an amp switcher................8 - Lehle Little Dual as an amp switcher for stereo effects and 2 amplifiers ......9 - Lehle Little Dual as an amp switcher for 1 instrument with piezo and magnetic pickups sent to 2 amplifiers ......................

  • Page 4: Introduction

    Both amps are activated - without hum, and without sound losses, needless simultaneously using the left footswitch, while the to say! The Lehle Little Dual - small, but so right is used to switch back and forth between utterly effective! them.

  • Page 5: Technical Data

    Technical data Weight: 570 g Length: 3.9” Width: 4.8” Overall height: 1.9” Voltage: 8 - 20 V DC or AC Max current: 55 mA Max gain: +16 dBU (<1 % THD @ +16 dBU/40 Hz) Total harmonic distortion: 0.003 % @ 0 dBU/1 kHz Frequency range: 20 Hz –...

  • Page 6: General Description

    General description...
  • Page 7 PA channels. Output A is electrically isolated from output B by 3. B-Output the Lehle LTHZ high-end transformer - so hum  Connect your amplifier or the input of a mixing loops are impossible, even if A and B are switched desk here.
  • Page 8 This switch connects the chassis of outputs A and the Lehle Little Dual, but with no other loads B when it is pressed, connecting the ground con- connected to it, to avoid interference noise during ductors of the A and B outputs can help in some operation or when switching.
  • Page 9 10. Base and fixing  You can use the fixing screws supplied with the Lehle Little Dual to fix it to a base plate (or to a pedal board, for example). Thanks to its ready-to-go fixing system, the Lehle Little Dual can be mounted without difficulty on a base plate.

  • Page 10: Typical Uses

    Typical uses e.g. with a clean and a crunchy amp sound. Phasing issues can be corrected at the push of a Lehle Little Dual as an amp switcher button, as afore-mentioned the output A features a phase-inverter switch. Device connections Output A (5) ...

  • Page 11: Lehle Little Dual As An Amp Switcher For Stereo Effects And 2 Amplifiers

    Lehle Little Dual as an amp switcher for noise. stereo effects and 2 amplifiers 8. There you go! A dual amp setup suggests the use of stereo effects, with one amp receiving the left stereo signal and the other amp receiving the right stereo signal.
  • Page 12 wide soundscape when played through 2 amps 8. There you go! simultaneously. Device connections Output A (5)  Amplifier 1 (left stereo signal) Output B (3)  Amplifier 2 (right stereo signal) Input A (2)  Left stereo signal from FX unit Input A/B (1) ...

  • Page 13: Sent To 2 Amplifiers

    Lehle Little Dual as an amp switcher for 1 totally different characteristics and sound best instrument with piezo and magnetic pick- when played through their respective amp-types. ups sent to 2 amplifiers A simple Y cable can be used in case both signals come from the same TRS socket (TRS >...

  • Page 14: Lehle Little Dual As An Amp Switcher For 1 Instrument With Piezo And Magnetic Pickups Played Through Their Respective Amps Or A Mixer With Di Function

    Lehle Little Dual as an amp switcher for 1 6. Use the phase inverter switch (4) to find out instrument with piezo and magnetic pick- which setting you prefer. ups played through their respective amps 7. Use the ground lift switch (6) to determine...
  • Page 15 guitar amp. This way acoustic and electric guitar both amplifiers. sounds can be mixed together, either live for the 6. Use the phase inverter switch (4) to find out FOH mix, monitoring or recording. Having the which setting you prefer. option to convert unbalanced signals to balanced 7.

  • Page 16: Lehle Little Dual As Tuner-Mute-Box (1 Instrument, 1 Amplifier And 1 Tuner)

    2 In smaller setups with only 1 guitar and 1 ampli- fier the Lehle Little Dual can also be helpful to mute the signal for tuning in case you would like to keep it silent for the audience or your fellow...

  • Page 17: Troubleshooting

    Output B (3)  Amplifier switch button on to the horizontal slide switch in- Input A (2)  – side the Lehle Little Dual. So this is not a defect, Input A/B (1)  Instrument not a problem, just a healthy indication that the spring is not jammed.

  • Page 18: Lehle Little Dual Signal Flow Diagram

    Signal flow chart of the Lehle Little Dual In A/B (1) Out B (3) In A (2) Phase-Shift (4) Out A (5) A&B Ground (6)

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