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Lehle P-Split II

Operating instructions

www

.lehle.com

Lehle GmbH •

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

Содержание P-Split II

Страница 1: ...Lehle P Split II Operating instructions www lehle com Lehle GmbH Grenzstr 153 D 46562 Voerde Germany Tel 49 0 2855 850070 ...

Страница 2: ...om ponents Every assembly of your Lehle P Split II has been made and tested in Germany Your Lehle P Split II is of extremely robust design and construction to make sure that you get absolutely years and years of enjoyment from it If you should nonetheless have a problem or simply a ques tion just mail me or a member of the Lehle team at support lehle com I wish you the very greatest pleasure and s...

Страница 3: ...t II as a splitter for two amps 10 Lehle P Split II as a compact passive DI box 11 Lehle P Split II as a line isolator the universal cure for hum loops 12 Lehle P Split II as a recording splitter 14 Lehle P Split II as a re amplification isolator 16 Lehle P Split II as a balanced unbalanced signal converter 17 Lehle P Split II signal flow diagram 20 ...

Страница 4: ...Split II is splitting of an input signal to the two outputs enabling you to connect your instrument to two devices such as two amplifiers for example or an amp and a mixer or recording unit PC DAW Thanks to the facility for also picking off the bal anced signal 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 signals Another use...

Страница 5: ... 62 Overall height 3 9 cm 1 54 Max level 5 7 V RMS 17 dBU Max Gain 16 dBU 1 THD 16 dBU 40 Hz Total harmonic distortion 0 003 at 0 dBU 1 kHz Frequency range 20 Hz to 100 kHz 0 1 0 4 dB source 600Ω load 1MΩ Input impedance transformer impedance load min 2 MΩ at 2 kHz ...

Страница 6: ...res are required there are two signal conductors In a balanced signal line the signal is present in phase at the tip as in the case of an unbalanced signal line XLR Pin 2 The second signal conductor carries the same sig nal but with the opposite polarity or mirror image phase Ring XLR Pin 3 The third conductor is the screening and again constitutes the signal ground Sleeve XLR Pin 1 Preconditions ...

Страница 7: ...re nonetheless very many musicians who swear by the sound of an electric guitar or bass with passive pickups connected directly to a tube amplifier via a good cable The input impedance of high impedance inputs is generally 1 MΩ 1 000 000 Ω or more Here too the input becomes the more sensitive the higher this figure is Low impedance signal sources and inputs Keyboards active pickups preamp outputs ...

Страница 8: ...o the splitter and to the amps should generally not be more than 10m Your individual taste will ultimately decide however Splitting your high impedance instrument signal to a low impedance input such as the line input of a mixing desk for example and to a high imped ance input on a tube amplifier using the Lehle P Split II will result in the high impedance input being attenuated by the low impedan...

Страница 9: ...7 General description ...

Страница 10: ...direct signal at this socket The same will occur with balanced signals 3 Phase inverter switch The phase of the input signal from the ISO output can be inverted if necessary This switch can be used to invert the phase of the input signal from the ISO socket by 180 Splitting signals to two amps may sometimes cause phase cancellations resulting for most musicians in a thin sound Inverting the phase ...

Страница 11: ... pedal board for example Tip in case you prefer a velcro solution for your pedalboard we recommend to write down the serial number of the pedal before covering it for eventual support matters Thanks to its ready to go fixing system the Lehle P Split II can be mounted without difficulty on a base plate To do this undo the four housing screws and detach the cover Then fix the device base to a base p...

Страница 12: ...plifiers working in parallel extremely powerful and simply big What to do 1 Connect your instrument to the input socket of the Lehle P Split II 2 Connect the first amplifier to the DIR socket 2 3 Connect the ISO socket 5 to the input of the second amp 4 Use the phase inverter switch to determine which setting you prefer 5 Actuate the ground lift switch to find the posi tion at which noise is minim...

Страница 13: ...om a preamp or buffer to the input 1 of the Lehle P Split II 2 Connect your amp to the DIR output socket 2 3 Connect the ISO socket 5 to the input of your mixer or stage box 4 Actuate the phase switch to find out which set ting sounds better to you 5 Use the ground lift switch to determine which position eliminates the most background noise 6 There you go Note The signal from a passive pickup cann...

Страница 14: ...from ground loops or hum Ground loops occur when units grounded by a protective earth conductor PE conductor are connected to each other 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...

Страница 15: ... scenario the Lehle P Split II is grounded via the signal source input In some cas es it may be a good idea to connect the ground to the other side in order to eliminate even more interference To do this simply swap the input 1 and the ISO output 5 The Lehle P Split II as a recording splitter It can be very useful when recording guitar or bass to record not only the amplified signal but also the d...

Страница 16: ...ou go Note We recommend the use of a buffer between the instrument and the input of the Lehle P Split II to convert the high impedance instrument signal to a low impedance signal in cases in which your soundcard or DAW has no high impedance input Hi Z and you wish to record the dry signal from your passive pickups The Lehle Sunday Driver is the perfect solution for this task You can of course also...

Страница 17: ...plit II Input 1 Lehle Sunday Driver output DIR output 2 Amp ISO output 5 Soundcard DAW with no Hi Z input Sunday Driver Input Instrument with passive pickups Output Lehle P Split II input 1 Device connection ...

Страница 18: ...I The built in Lehle LTHZ transformer electrically isolates the ground connections and functions perfectly with both balanced and unbalanced signals from a soundcard or a DAW What to do 1 Connect your soundcard or DAW to the input socket 1 of the Lehle P Split II 2 Do not use the DIR socket 2 3 Connect the ISO socket 5 to the input of your amp 4 Use the ground lift switch to determine which positi...

Страница 19: ...idea to connect the ground to the other side to eliminate interfer ence noise To do this simply swap the input 1 and the ISO output 5 The Lehle P Split II as a balanced to un balanced signal converter Device connection Input 1 Signal source balanced or unbalanced DIR output 2 ISO output 5 Signal input balanced or unbalanced ...

Страница 20: ...te Unbalanced setups often include long cable runs from a pedal board to an amp which on large stages can be some distance away Recording in a mixing room via an amp located in a separate soundproof booth will also necessitate long cable runs Long distances like these should be bridged using balanced lines in order to keep interference as low as possible The solution is simple use the Lehle Sunday...

Страница 21: ...9 Device connection Lehle Sunday Driver XLR Input Instrument with passive pickups XLR output Lehle P Split II input 1 Lehle P Split II Input 1 Lehle Sunday Driver XLR output DIR output 2 ISO output 5 Amp ...

Страница 22: ...20 Signal flow chart for the Lehle P Split II ...

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