Lehle Parallel M
Order code 1018
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The Lehle Parallel is a compact and versatile line mixer to meet demanding tonal standards. The Lehle Parallel mixes the signals from effect units into the original signal, either before the amp or inserted into its effects loop. Send and return levels can be adjusted separately, and level relative to the original signal optimally selected using the mix controller. The send and return paths can, of course, be operated both balanced and unbalanced. The great dynamic range of the Lehle Parallel makes it possible to mix into the guitar signal a 19" studio effect with its low-impedance line level, for example, or to insert effects pedals level-adjusted via the amp's effects loop.
Thanks to their JFET technology, the Lehle Parallel's inputs can handle both high-impedance signals from electric guitars and basses or acoustic instruments, and low-impedance signals from keyboards and active electric guitars and basses – with a broad output range extending from 20 to 100,000 Hz. To exploit the dynamics of tube amplifiers to the full, the input voltage is rectified from the power supply socket, then filtered, stabilized and doubled to 18V.
The Lehle Parallel is available in two versions, the Lehle Parallel L, featuring a True-Bypass switch with gold-plated contacts, and the Lehle Parallel M, a straight mixer. Both are fed from a 9V (PP3) battery and protected by an ultra-robust housing of 1.5 mm thick steel sheet.
Q: Can I use the (serial) amp's fx-loop to mix effects to my guitar signal?
I dont want my signal to go 100% thru stompboxes or digital processors.
A: With the Lehle Parallel L and Parallel M only a part of the guitar signal can be blended with effects, the pure signal will not be routed completely thru the fx unit.

Q: How can I mix the two pickups of my instrument? My bass has two seperate outputs for piezo and magnetic pickup.
A: The Lehle Parallel L or M can blend 2 pickup signals without any signal loss. One signal goes to the units input, the other pickup is plugged into the Parallel´s Return. Now the level and mix controls can be used to adjust your favourite sound.

Q: Does the buffer inside the Lehle Parallel L or M have the same function as the Lehle Sunday Driver?
A: Almost, the Lehle Sunday Driver was developed on the basis of the D.Loop´s buffer and has the option to increase the input impedance from 1MOhm to 4 Mohm. The Lehle Parallel´s buffer does not have this feature, but has a wider range, it works from -15dB up to +15dB.