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 Preamp Owner’s Manual

All Pass Laboratories products purchased new from an authorized 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 the 

product unmodified to the factory within the specified warranty period.  

The customer assumes all responsibility for shipping and insurance to 

and from the factory or a factory specified repair facility. 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.

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 Laboratories product that they have imported, 

verifiable by serial number.

Please note: Conditions of warranty service and customer rights for 

product purchased outside the United States may vary depending upon 

the distributor and local laws. Please check with your local distributor for 

specific rights and details.

Any modifications to Pass Laboratories products that have not received 

written factory approval nullify all claims and void all provisions of  the 

warranty and liability by the maker or authorized distributor. Should a 

modified product be returned to the factory for repair the owner will be 

required to pay all necessary charges for the repair in addition to those 

charges required to return the product to it’s original configuration.

In the case of  safety issues, no product shall be returned to the customer 

without those safety issues being corrected to the most recent accepted 

standards. 

Removal or alteration of  original Pass Labs serial numbers voids the factory 

warranty. 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.

For more information please contact: Pass Laboratories Inc.

Pass Labs Warranty

Summary of Contents for Xs Preamp

Page 1: ...1 Xs Preamp Owner s Manual PASS TM Xs Preamp Owner s Manual Sept 2013 ...

Page 2: ...ence is that the Xs comes in only two chassis where the XP 30 had at least three chassis one for supply and control and one chassis per channel for as many channels as you might reasonably want The Xs is designed solely for two channel operation and it fits in two larger boxes The XP 30 had a few unique features among them independently adjustable dual output sets for use in bi amping and the high...

Page 3: ...he XP 30 separate chassis Each channel and the digital control circuits have their own isolated supplies each mounted on it s own board in a separate chassis The three separate power supplies use the lowest noise transformers available from Plitron and they incorporate EMI filters on the AC line input secondary output fast soft recovery rectifiers large storage capacitance and extensive regulation...

Page 4: ...nding prong The grounding prong is essential for personal safety and proper operation of this product If the grounding prong does not fit your outlet please consult an electrician and have the obsolete receptacle updated before operating this device Power Cords Pass Labs provides a power supply cord that meets all legislated requirements for the market in which the product was originally sold If y...

Page 5: ... apparatus has been damaged in any way such as when a power cord is damage when the device has been exposed to moisture or liquids been dropped or does not operate normally in any way For Units With Externally Accessible Fuse Receptacle Unplug the device from all sources of power before changing or inspecting any fuse Replace fuse only with one of same physical size type and rating as that specifi...

Page 6: ...dependent chassis connected to each other by twin umbilical cable terminated at both ends with a powerCON connector The connector should never be attached or removed from either chassis with the power supply chassis attached to mains power Once the Xs Preamp chassis are placed in their physical location you may start making input and output connections you may wish to reference the following secti...

Page 7: ... used is always the first to be removed and the last to be connected no exceptions At this point you should be ready to play music The powersupply chassis connects to the electrical mains by a standard IEC 320 detachable power cord and to the control chassis by two 1 5 m powerCON umbilicals On the rear of the power supply chassis is a single IEC 320 power inlet for connection to the mains below a ...

Page 8: ... remote control function Buttons are labeled Mute Mode Input and MUTE Pressing the mute button once quiets the output of the Xs Preamp Pressing the button a second time restores normal output MODE Pressing the mode button brings up the status of the slave auxillary output The relative level of the Slave Aux output can then be set by the INPUT and buttons on the Xs Pre front panel This function is ...

Page 9: ...to a maximum of 9 5dB Volume v decreases the output level in 0 5 dB steps to a minimum of 89 5 dB Pass Thru is a multi step software operation that selects the pass thru input virtual input 6 and slowly ramps the gain up to 0 dB At any time during the ramp up period a second button push will cancel the Pass Thru command and operation Pass thru is intended to be used with a multi channel processor ...

Page 10: ...d XLR You may use a mix of RCA and XLR not however on the same channel RCA inputs will function without the jumper but gain will be low by 6dB and noise will be up by a like amount The Pass Thru input deserves special mention Pass Thru is identical to all other inputs with one exception Pass Thru is associated with a software sequence that sets the gain of that input to 0 dB specific for use with ...

Page 11: ... the volume control directly in 0 5 dB steps 89 5 dB though 9 5 dB as indicated on the main display as true gain figures The Slave auxiliary outputs may be set equal to or less than the levels of the Master main outputs Once set from the front panel of the control chassis the Slave auxiliary outputs will accurately track the Master main from either the front panel volume control or the hand remote...

Page 12: ...cord rated at 15 amps The safety ground is provided by this power cord and attached at the chassis in the conventional approved manner The AC power input to the power supply runs through an RF filter which reduces high frequency noise coming into and going out of the amplifier power supply This filter and the safety ground both depend upon a quality earth ground from the ground pin on the power co...

Page 13: ...ories Supersymmetery Aleph and Zen and are all registered trademarks of Pass Laboratories Inc and all rights thereto are protected by law PASS Pass Laboratories Inc 13395 New Airport Rd Suite G Auburn CA 95602 voice 530 878 5350 fax 530 878 5358 web passlabs com ...

Page 14: ...er warranty service on Pass Laboratories product that they have imported verifiable by serial number Please note Conditions of warranty service and customer rights for product purchased outside the United States may vary depending upon the distributor and local laws Please check with your local distributor for specific rights and details Any modifications to Pass Laboratories products that have no...

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