Lehle P-Split III Passive Signal Splitter
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Estimated Dispatch Time: 2-4 weeks
Passive splitter and DI box
• Absolutely no signal loss or hum
• High-impedance LEHLE TRANSFORMER HZ with phase and ground switch
• Suitable for balanced or unbalanced signals
The LEHLE P-SPLIT III combines passive splitting with the highest possible signal fidelity.
Its applications range from splitting signals and eliminating hum, to balancing and reamplification along with any signal routing that requires a clean signal free from noise.
At its core is the high-end LEHLE TRANSFORMER HZ, which galvanically isolates the two outputs, eliminating any possibility of ground loops. The LEHLE TRANSFORMER HZ 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.
By using the phase inverter switch with gold-plated contacts you can flip the signal phase at the ISO output, preventing phase cancellation from impairing signal reproduction.
The classic application for the LEHLE P-SPLIT III is splitting an input signal to two outputs, enabling you to connect an instrument to two devices, which may, for example, be two amplifiers, or an amp and a mixer/recording unit (PC/DAW). Thanks to its ability to pick off the balanced signal on the ISO output, the LEHLE P-SPLIT III is also eminently suitable for use as a high-quality compact DI box for all types of signal.
Another useful application for the LEHLE P-SPLIT III is as a hum suppressor. Frequently background noise caused by ground loops occurs when two electronic devices are connected to each other. The LEHLE P-SPLIT III provides a simple, but extremely effective remedy when installed between the two units. Using the ISO output, the devices are galvanically isolated and background noise becomes a thing of the past.
You can even use the versatile LEHLE P-SPLIT III as a passive mono summing unit for a stereo signal by using the DIR output as second input.
And just in case you are looking for a power connection: the LEHLE P-SPLIT III performs all its functions without any need for a 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 III provides a simple but extremely effective remedy when installed between the two units. The two devices are galvanically 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 III galvanically 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 III 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 galvanically isolated, so there will be no ground loops.
Q: Can the P-Split III 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.