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XP-20 Owner’s Manual
November 25, 2011
1
XP-20 Owner’s Manual
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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. This pre-amplifier pushes the edge of the art by explori
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than they did when the original 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. The new remote control codes have been carefully selected to minimize the impact on other remote controlled electronic devices, allowing for more carefree product place
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We sincerely believe these are simply the best sounding pre-amplifiers Pass Laboratories has ever built! Simply put the XP products deliver the experience of a past musical event in a more believable sonic panorama than anything we have previously brought to market. Thank you for listening and giving us the opportunity to prove this claim. Advisory There is an Extremely Small (but Non-zero) Chance That, Through a Process Know as Tunneling, This Product May Spontaneously Disappear from It
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As with all audio electronics the power cable should be the last thing attached and the first one removed any time you hook up or remove equipment from the signal chain. The DIN-25 umbilical cable should never be connected or removed with the power supply chassis plugged into house power. The preamplifier has five sets of stereo input connections, both single-ended and balanced output connections and a full function remote control in addition to the normal complement of front panel contr
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circuit elements, independent of the single ended outputs. Tape input communicates back to the input bus, independent of the XP- 20 volume control. Balanced inputs and outputs are via XLR connectors. Single- ended inputs and outputs are via RCA connectors. On the XLR connectors, pin 1 is grounded, pin 2 is the positive signal, and pin 3 is the negative signal. Left channel RCA connectors are marked with “L”. Right channel RCA connectors are marked with “R”. In a similar fashion balance
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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 that engaging in a few minutes of exploration will add much to your ultimate enjoyment of this exceptional Pass Labs product. The left most button on the front panel is Mute. Pressing this button toggles between mu
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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 processors. 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 wil
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The Remote control operation is, or should be very intuitive in operation; we have attempted to make its operation as familiar as possible. Where applicable the remote mirrors the front panel controls. POWER: As previously mentioned has no reality with the XP-20. This specific control functions has no effect on this product. EXTERNAL AMP ON: The “external amp on” button supplies a 12-volt trigger voltage from the rear panel of the XP-20, which will control various pieces of auxiliary eq
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DISPLAY: The default setting for the display is “bright”, pressing the “DISPLAY” button once changes the display to it’s “dim” or “low intensity” setting, pressing the button a second time selects “off ” for the display. When “off ” is selected any other control function will cause the display to indicate product operational status for approximately 7 seconds and then the display will once again blank. Pressing the “DISPLAY” button a third time cycles back to a “bright display”. We re
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“Pass”, “ pass”, “Pass Labs”, “Pass Laboratories”, Supersymmetery”, “Aleph”, and “Zen” and are all registered trademarks of Pass Laboratories, Inc., and all rights thereto are protected by law. 11 XP-20 Owner’s Manual
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For your protection please Water and moisture: Electrical devices should not be used near read the following: water ( as per example, near a bathtub, washbasin, kitchen sink, laundry tub, wet basement or swimming pool ). Care should be taken such that objects do not have the opportunity to fall, and that liquid is never spilled onto or into the device enclosure through openings. Power Sources: An electrical device must be connected to a mains power source in strict accordance with the
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All Pass Laboratories products purchased new from an authorized Pass Labs Warranty Pass Laboratories dealer in North America are covered by a transferable, limited 3-year warranty. This warranty includes all parts and labor charges incurred at the factory or factory specified repair facility, exclusive of any subsequent or consequential damages. Damage due to physical abuse is specifically excluded under this warranty. For this warranty to apply the customer is responsible for returning t
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® pass Pass Laboratories Inc. PO Box 219, Foresthill, CA 95631 voice: 530.367.3690 - fax: 530-367-2193 - web: passlabs.com 14 XP-20 Owner’s Manual
