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XP-15 Owner’s Manual
pass
TM
March 27, 2009
Page 1: ...1 XP 15 Owner s Manual pass TM XP 15 Owner s Manual March 27 2009 ...
Page 2: ...uipment power switch does not provide adequate protection to be considered a service disconnect Grounding Adequate precautions should be taken so that the grounding provisions built into an electrical product are never defeated 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 you choose to substitut...
Page 3: ... tripod used to support this product is weight rated sufficient to the task Servicing To reduce the risk of fire electrical shock or other injuries the user should not attempt to service the device beyond that which is described in the operating instructions All other servicing must be referred to qualified service personnel For Units With Externally Accessible Fuse Receptacle Unplug the device fr...
Page 4: ...eration of not only high output moving magnet cartridges but also the lowest output moving coil cartridges without the use of an auxiliary step up transformer By the early 1980 s audiophiles recognized that in general lower output moving coil cartridges were capable of retrieving more fine detail from record grooves than higher output cartridges in many instances this was simply a case of having l...
Page 5: ...dicate voltage and current requirements for the XP 15 Before operation please verify that the indicated line voltage is consistent with the line voltage where you intend to install this piece of equipment Line voltage is determined at the time of construction and not user changeable Line voltage will be 100 Vac 120 Vac 220 Vac or 240 Vac In addition the rear panel also has a standard IEC 320 inlet...
Page 6: ... for your particular cartridge you will need to have some salient information on the cartridge If you do not have that cartridge information please contact your dealer or the Pass Laboratories factory We will attempt to help you with that data but by no means do we have factory data on every cartridge ever built Please be aware that the XP 15 is a dual mono design whatever setting you select for o...
Page 7: ...ables The optimal value is selected by listening There are three capacitive loading switches with values of 330pF 220pF and 100pF these are in addition to a fixed value of 100pF You may select any switch or number of switches the values are additive The range of values available is 100pF 750pF The correct value is that which gives the best overall tonal balance Typically if the cartridge sounds to...
Page 8: ...in such a way that as the gain is reduced the noise levels seen at the output of the XP 15 are reduced by a like amount In this way there is no penalty to selecting one gain setting over another The exemplary signal vs THD noise figures of the XP 15 are never compromised by changing gain settings Chose a gain setting that allows your pre amp volume control to operate within a range similar to what...
Page 9: ...e resistance and reactance of that wire must be accounted for in choosing loading values in the XP 15 As long as you derive your final setting empirically you may ignore these effects your moving coil cartridge will not An improperly loaded cartridge will suffer every unwanted sonic anomaly ranging from lack of definition and bass to a very strident and screechy high end Making the mistake of not ...
Page 10: ...loading If going below 100 ohm resulted in degraded sound then obviously the correct change would have been to have gone upward next highest level above 100 and repeat the listening I am sure you get the idea its not complicated but it can be time consuming The eight values available should cover any cartridge needs nicely However should you wish to get very creative resistors can be selected in p...
Page 11: ... are certainly critical they can and do provide a measure of insight but are no substitute for human judgment of that which is pleasant As in art classic audio components are the results of individual and collective efforts that reflect a coherent underlying goal and philosophy If successful they make both a subjective and objective statement of quality which is meant to illicit appreciation in th...
Page 12: ... designs poor intrinsic linearity has been corrected out by large application of feedback resulting in loss of warmth space and detail We give these precepts a great deal of thought in the design and voicing of product You only need to address the cartridge loading till it sounds good to you Some Suggested Resistive Loading Values in 1 2 3 4 5 6 7 8 ohms 10 25 50 100 250 500 825 1K 10 ON OFF OFF O...
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Page 16: ...0 volts rms Output Impedance 300 300 ohms Input Impedance 47 K or 1K 0 650 pF MM 5 ohm 47K ohm moving coil Unweighted Noise 90 dB ref 10 mV input moving magnet 81 dB ref 1 mV input moving coil Power consumption 15 watts Dimensions 17 W x 12 D x 4 H Shipping Weight 25 pounds in packing carton Pass Laboratories PO Box 219 24449 Foresthill Rd Foresthill CA 95631 USA www passlabs com service passlabas...
Page 17: ...struction 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 Any modifications to Pass Laboratories products that have not received writt...
