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Pass Labs X1 manual

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Table of contents for the manual

  • Page 1

    1 X1 Owner’ s Manual pass TM X1 Owner’ s Man ual Aug 10, 2006[...]

  • Page 2

    2 X1 Owner’ s Manual The X1 is an ultra high quality minimalist audio preamplifier that features a remote control and external power supply . It combines a completely new circuit topolog y with traditional constr uction representing thir ty fiv e years of amplifier design. This preamplifier f lows from a commitment to create the best sounding pro[...]

  • Page 3

    3 X1 Owner’ s Manual The preamplifier main chassis / control unit has four sets of input connections , both single-ended and balanced output connections , a tape loop and a full function remote control that mir rors the front panel functions . The main chassis also has a DB-25 connector that connects to the remote pow er supply and a single pair [...]

  • Page 4

    4 X1 Owner’ s Manual If your signal source is unbalanced, input will alw ays occur through the RCA input connector . Inputs 1 and 2 giv e you a choice or either single ended or balanced inputs . When single-ended inputs are used on input 1 and input 2, a shor ting plug, whic h is provided, should be inserted between XLR pins 1 and 3 of the associ[...]

  • Page 5

    5 X1 Owner’ s Manual noise and distortion superiority of balanced signal, coloring what you eventually hear . P ass labs through its unique patented “Supersymmetr y” topolog y maintains the advantages of a tr ue balanced signal throughout the electronics chain. The salient point of this approach affords significantly less signal manipulation,[...]

  • Page 6

    6 X1 Owner’ s Manual decreases its v alue; and is also balance left. If any control is used the display rev er ts to the last sa ved output lev el, therefore we sug gest you reduce the v olume before switching inputs . The remote control uses the same four-button protocol, though it is physically arrang ed slightly different than the X1’ s fron[...]

  • Page 7

    7 X1 Owner’ s Manual totally transparent. When the user chooses “Unity” this sets the X1’ s gain to the low (+4dB) setting, reg ardless of ho w it was previously configured. When at Unity both left and right level controls on the X1 will hav e a displayed v alue of 24, and any previous balance settings will be lost. Both of these default co[...]

  • Page 8

    8 X1 Owner’ s Manual takes imagination and hard w ork to get as much of these as possible at once without trading them off adv ersely ag ainst each other . W e recommend the use of the balanced output mode where possible. It will retain the character of the input mode , but offers less distortion, less noise, more g ain, and more v oltag e swing,[...]

  • Page 9

    9 X1 Owner’ s Manual supply cable does not car ry any audio signals or digital clock lines and is filtered against noise. Muting relays , whic h delay connection during turn-on and shut off the output when insufficient pow er supply is av ailable to maintain regulation, guard the output of the X1. The preamplifier is designed to r un constantly ,[...]

  • Page 10

    10 X1 Owner’ s Manual Gain selectable 4 dB or 14 dB balanced output selectable 4 dB or 14 dB single-ended output Freq. R esponse -3 dB @ 2 Hz, -3 dB at @ 100 kHz Distortion < .1 % THD typically .003% @ 2 volts @ 1KHZ Maximum Output 10 volts rms bal out, 7 volts rms unbal out Output Impedance 200 ohms unbalanced, 750 ohms balanced Input Impedan[...]

  • Page 11

    11 X1 Owner’ s Manual Please check with the factor y-authorized distributor in the countr y you are purchasing this product for specific w ar ranty infor mation. All P ass Laboratories products purchased from an authorized Pass Labora- tories dealer in Nor th America are cov ered by a transferable, limited 3-year warranty . This w ar rantee inclu[...]

  • Page 12

    12 X1 Owner’ s Manual W ater and moisture: Electrical devices should not be used near water ( as per example , near a bathtub , washbasin, kitc hen sink, laundr y tub , wet basement or swimming pool ). Care should be taken suc h that objects do not hav e the oppor tunity to fall, and that liquid is never spilled onto or into the device enclosure [...]