Lehle P-Split II


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The Lehle P-Split II combines passive splitting with maximum signal fidelity. Its core is the Lehle LTHZ high-end transformer, which electrically isolates the two outputs, eliminating the possibility of ground loops. The Lehle LTHZ was specially designed for use with high-impedance signals but also splits low-impedance signals with uncompromising sound quality. The signal can be picked off either symmetrically or asymmetrically from the ISO output. A phase inverter switch with gold-plated contacts permits reversal of input signal phase at the ISO output, preventing phase cancellations from impairing signal reproduction. 

The classical application for the Lehle P-Split II is splitting of an input signal to the two outputs, enabling you to connect your instrument to two devices, which may, for example, be two amplifiers, or an amp and a mixer or recording unit (PC/DAW). Thanks to the facility for also picking off the signal balanced on the ISO output, the Lehle P-Split II is eminently suitable for use as a high-quality compact DI Box for all types of signal. Another useful application for the Lehle P-Split II is as an effective suppressor for unwanted hum. Background noise occurs again and again, caused by ground loops, when two electronic devices are connected to each other - the Lehle P-Split II provides a simple, but extremely effective, remedy, being installed between the two units. Using the ISO output, the two devices are electrically isolated, and this background noise becomes a thing of the past. And: the Lehle P-Split II needs no separate power supply!

Q: What is galvanic isolation?

A: Background noise, generated by ground loops, occurs again and again when two electronic devices are connected to each other, and the Lehle P-Split II provides a simple but extremely effective remedy when installed between the two units. The two devices are electrically isolated when the `ISO´ output is used, eliminating this background noise.
The protective earth conductor and the ground connection of the audio signal create a loop which will pick up external interference generated, for example, by coils. Such interference will impair the signal. The Lehle LTHZ transformer included in the Lehle P-Split II electrically isolates the ground connection. The hum loop is thus broken at this point.

Q: Does the galvanic isolation color my sound?
A: No, neither sound nor dynamics will be altered, the signal is passing the switcher without any loss in strength or frequency. We use our self-developed Lehle LTHZ transformers for this, the selection of high quality components guarantees a rich sound throughout the full frequency range.

Q: Can I use the P-Split II to eliminate the humming that my amps create when I use them simultaneously? It sometimes occurs when I use a stereo pedal to send a signal to both amps.
A: Yes, the 2 outputs are electrically isolated, so there will be no ground loops.

Q: Can the P-Split II be used as DI box since it has 14“ sockets?
A: Yes, you get a balanced or unbalanced (mono-) signal from ISO and/or DIR output when using a stereo (TRS) cable.