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Pass Laboratories XP-20 Owner's Manual
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Pass Laboratories XP-20 Owner's Manual

Ultra high quality line-stage audio preamplifier
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PASS
®
XP 20 Owners Manual
Rev 0.4
16 November 2010

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Summary of Contents for Pass Laboratories XP-20

  • Page 1 PASS ® XP 20 Owners Manual Rev 0.4 16 November 2010...
  • Page 2 Power Cords: Pass Laboratories provides a power supply cord that meets all legislated requirements for the market in which the product was originally sold. If you choose to substitute an after-market product we urge you to choose one that is fully safety rated by the necessary local authority.
  • Page 3 Introduction The XP-20 is an ultra high quality line-stage audio preamplifier featuring an improved hand held remote control and external power supply electrically isolated from the analog circuits of the preamplifier in a cosmetically matched second chassis. The XP-20 like all Pass Laboratories products attempts to minimize the number of components in the signal path, and yet retain exemplary objective performance specifications.
  • Page 4 X preamps were created, and the XP line of product have all 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.
  • Page 5 As 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.

  • Page 6: Setup And Operation

    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.
  • Page 7 IN’S AND OUT’S There are a total of five inputs. Two of the five inputs are balanced XLR only. The other three inputs are single-ended only. The XP-20 also has a “Tape Loop” with single XP 20 Owners Manual Rev 0.4...
  • Page 8 XLR, pin 1 is ground, pin 2 is positive, and pin 3 is negative. The XP-20 has an onboard tape loop for those of you who like to record, add a signal processor into the chain or simply need one additional pair of RCA inputs to complete your music system.
  • Page 9 Input and output connectors were carefully selected to withstand a lifetime of frequent use. HANDY FEATURES The XP-20 gain chassis has a single pair of binding posts labeled “Ext. Amp Turn-on”. A 12-volt signal is available at these binding posts to control additional entertainment electronics.
  • Page 10 When the right-front and left-front outputs of the processor are routed through input 5 of the XP-20 (with the gain of the XP-20 set for step 75), the volume will be under full control of the processor and the XP-20's action will be totally transparent.
  • Page 11 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.
  • Page 12 Pass Laboratories electronics. Specifically the uppermost left hand button marked “power” does not work with the XP- 20. The XP-20 is designed to be powered continuously and therefore this button will not affect the pre amplifiers operation.
  • Page 13 If you do not confirm the “pass thru” command within 7 seconds then the command sequence aborts and the XP-20 resorts to its previous status. The button must be pressed again to exit “Pass Thru” and unlock the other command selections.
  • Page 14 The XP-20 consists of two chassis, shipped in a single box. XP 20 Owners Manual...

  • Page 15: Specifications

    SPECIFICATIONS Overall Gain -73 dB to +10 dB Frequency Response -3dB @ 2 Hz and 60 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...
  • Page 16 The conditions and stipulations of this Pass Laboratories warranty only applies to units originally sold new through an authorized dealer. Warranty on factory repair is 60 days and covers only the scope of the original repair.
  • Page 17 Product with altered or missing serial numbers will be suspect as counterfeit or stolen product. Pass Laboratories will not repair or in any way indemnify 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.
  • Page 18 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 Pulmonary Syndrome is transferred to humans most frequently through rodent droppings, saliva and urine residue.
  • Page 19 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. XP 20 Owners Manual Rev 0.4...