Pass Laboratories XP-20 Owner'S Manual Download Page 19

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XP 20 Owners Manual Rev 0.4

PASS

Pass Laboratories

P.O. Box 219, Foresthill, CA 95631

Voice: 530.367.3690 – Fax: 530.367.2193

www.passlabs.com

“Pass”, “PASS”, ”Pass Labs”, ”Pass Laboratories”, “Supersymmetery”, “Aleph”, and “Zen” are

all registered trademarks of Pass Laboratories, Inc., and law thereto protects all rights.

Summary of Contents for XP-20

Page 1: ...XP 20 Owners Manual Rev 0 4 16 November 2010 PASS ...

Page 2: ...ute an after market product we urge you to choose one that is fully safety rated by the necessary local authority Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on abraded or pinched by items placed on or against them paying particular attention to cords where they enter plugs or exit from a device Never under any circumstance insert a cut or dam...

Page 3: ...e stages represented by models X0 2 X1 and X2 5 The X series pre amplifiers have received many highly respected and well deserved accolades since their introduction in 1997 justifiably so More importantly they have provided a solid foundation from which the current and newest product has evolved These new pre amp offerings from Pass Laboratories objectively sound and measure significantly better t...

Page 4: ...been designed to reflect those changes in listening style Pass Laboratories has redesigned the remote control to allow direct access to the most frequently wanted control functions thus simplifying and enhancing product operation The new remote control codes have been carefully selected to minimize the impact on other remote controlled electronic devices allowing for more carefree product placemen...

Page 5: ...good as the XP 10 is the XP 20 performance metrics are enhanced over those available in the XP 10 by virtue of a separate and additionally regulated power supply For the listener these circuit enhancements will convey musical bass with significantly more impact articulation and timber accuracy With well recorded material the XP 20 will present a more refined sound stage than the XP 10 with greater...

Page 6: ...nic best Be aware however that if you unplug or otherwise remove power from the unit that the warm up period starts afresh Please give this product at least 24 hours initial warm up time before attempting any critical listening A typical current draw for this product is 25 watts or less the XP 20 s are designed to be powered up 100 of the time SET UP AND OPERATION So much for the philosophy physic...

Page 7: ...uring operation Please verify that the indicated voltage requirement of this preamplifier s power supply is consistent with the utility voltage at your location We have provided a standard IEC AC power cord that fits into the IEC 320 line receptacle at the rear of the power supply chassis The preamplifier and power supply is equipped for operation with an earth ground provided by the users AC outl...

Page 8: ...nnectors are marked with R In a similar fashion balanced XLR inputs and outputs are marked with L for left and R for right channel The main outputs are located at the left hand side viewed from the rear of the rear panel two male XLR connectors and four RCA connectors R right and L left The RCA connector s ground shell is in parallel with pin 1 of the XLR outputs and the RCA hot is fed from an ind...

Page 9: ...amplifiers owner manual and specifications for particulars This function is only active from the hand held remote control Description of Operation In application the XP 20s front panel controls and alphanumeric display are quite straight forward and intuitive We encourage you to become familiar with their operation prior to establishing any input connections with this unit Experience indicates tha...

Page 10: ...ugh the hand held remote control This function is associated only with input number 5 and has two positions selected with the pass thru button on the remote those two positions on and off This function is useful in that it allows the preamplifier to function as a unity buffer 0dB gain at volume step 75 for use with components that best function with their own volume controls such as surround proce...

Page 11: ...ration is required to complete the command To exit the Pass Thru function the Pass Thru button on the remote control must be pushed to unlock the remaining command functions When Pass Thru is de selected the XP 20 reverts back to the previous input volume and balance settings Input 5 may be manually selected and used without the pass thru function in which case its behavior will be identical to in...

Page 12: ...l amp on button supplies a 12 volt trigger voltage from the rear panel of the XP 20 which will control various pieces of auxiliary equipment This function is intended to control Pass Laboratories power amplifiers For specifics please see the instructions that accompany your power amplifier You may also call the Pass Laboratories factory for specifics MUTE pressing mute once will quiet the pre ampl...

Page 13: ...E Pushing this button once selects the single ended Tape as your sixth input pressing a second time deselects the tape input and defaults back to the indicated input When Tape is selected a lower case letter t will appear on the right hand side of the display DISPLAY The default setting for the display is bright pressing the DISPLAY button once changes the display to it s dim or low intensity sett...

Page 14: ...s the superior noise rejection of active balanced sources The use of a micro controller allows all of the preamplifier functions to be repeatable and accurately controlled The microprocessor only controls the functions of the preamplifier At no time does any of the input or output signal come into contact with the digital control signals The digital circuits are powered by a power supply that is i...

Page 15: ...kHz Input Impedance 96k ohm balanced 48k ohm single ended Output Impedance 1K per leg balanced 200 ohm Unbalanced CMRR 60 dB 1 kHz Cross talk 90 dB 1kHz Ref 1V Signal to Noise Ratio 110 dB Ref 5V Power Consumption 25 watts Dimensions Each Chassis 2 17 W x 12 D x 4 H Shipping Weight 49 pounds in packing carton ...

Page 16: ... of the original repair Non North America customers should consult with their original Pass Labs dealer or distributor for warranty repair instruction prior to contacting the factory or shipping product to the factory for repair Non North American product must be returned to the country of origin for warranty service Foreign distributors are only required to offer warranty service on Pass Laborato...

Page 17: ...nify any counterfeit or cloned product Pass Laboratories does not offer products in voltages intended for international markets either to authorized Pass Labs dealers or to third parties located in the United States or Canada For more information please contact Pass Laboratories Inc 2008 Pass Laboratories Inc Pass pass Pass Labs Pass Laboratories Supersymmetery Aleph and Zen are all registered tra...

Page 18: ... clean up and subsequent waste disposal will be billed prior to a formal repair estimate being presented The most frequent source of foreign objects in the amplifiers is pet related events Pass Laboratories reserves the right to not service any product that appears to have been damaged by feces urine expectorant or saliva These foreign objects raise very real concerns of Hanataviruses Hanatavirus ...

Page 19: ... Laboratories P O Box 219 Foresthill CA 95631 Voice 530 367 3690 Fax 530 367 2193 www passlabs com Pass PASS Pass Labs Pass Laboratories Supersymmetery Aleph and Zen are all registered trademarks of Pass Laboratories Inc and law thereto protects all rights ...

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