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Pass Labs XA200 manual

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Table of contents for the manual

  • Page 1

    1 XA200 Owner’ s Manual pass TM XA200 Owner’ s Man ual May 18, 2006[...]

  • Page 2

    2 XA200 Owner’ s Manual Analog designer Nelson P ass has ov er the years produced some tr uly g reat solid-state ampliers, each unique in it’ s own wa y . Not sur pris- ingly , the P ass Laboratories ™ XA200 monoblock amplier is no ex- ception. T he XA200’ s sleek industrial design is a stunning understate- ment of ar tistic for m int[...]

  • Page 3

    3 XA200 Owner’ s Manual The XA200 has a massiv e toroidal transfor mer coupled to a high cur rent DC reser voir . Recognizing that the XA200’ s ability to resolve microdynamics is best experienced with clean po wer , the extreme low- level resolution of the XA-series benets from a specially designed pow er supply that signicantly reduces [...]

  • Page 4

    4 XA200 Owner’ s Manual dard 15 amp IEC rece ptacle at the rear of the amplier chassis . T wo XA200’ s may be r un on a single 15-amp circuit. T his amplier is equipped for operation with an ear th g round provided by the users A C outlet. Never defeat this g round connection. The signal g round of this amplier is connected to ear th t[...]

  • Page 5

    5 XA200 Owner’ s Manual ch arged. T he “P ow er” LED sho uld not be on. If the “P o wer” LED is on, don ’ t get ex cited, just use the front panel stan d-by but ton to g o to stand -by mode , with the “Stand by” LED on and the “P o wer “ LED off . OK, so t he ampl ie r is sitt ing th ere in st and- by mo de wit h just th e si[...]

  • Page 6

    6 XA200 Owner’ s Manual Now that the source component is connected, make sure there is no signal coming from it, probably by tur ning the volume all the way down. With the speakers connected, make sure the pow er cord is attached and plug ged into mains power; push the front panel button to activ ate the amplier . The “P ower” LED will com[...]

  • Page 7

    7 XA200 Owner’ s Manual Y ou may remotely operate the stand-by mode b y applying 12 volts DC to the single pair of 5 way connectors on the rear of the amplier . The positive of the 12 volts DC goes to the red connector, neg ative to t he bla ck . T hi s con nect ion has an a ctua l ope rati ng ra nge of abou t 9 vo lts to 15 vo lts . T hi s sw[...]

  • Page 8

    8 XA200 Owner’ s Manual ing wi thou t e xc ess iv e forc e is pl ent y . Cl ean ing cont act sur fac es with one of t he comm erc iall y a v ail abl e e lect ron ic cont act cl ean ers sho uld be part of y our ann ua l s yste m m aint ena nce . The XA200 has a single larg e power transfor mer, under actual condi- tions in the amplier , it supp[...]

  • Page 9

    9 XA200 Owner’ s Manual All figures obtained after 1 hour war m-up , with regulated 120 V A C pow er line. See man ual notes about A C power line regulation. Gain 26 dB Freq. R esponse -3 dB at 1.5 Hz, -3 dB at 100 kHz P ow er Output 200 watts max @ 1% THD , 1 kHz, 8 ohms Maximum Output V oltag e plus , minus appro x. 60 volts Maximum Output Curr[...]

  • Page 10

    10 XA200 Owner’ s Manual Please chec k with the factor y-authorized distributor in the countr y you are purchasing this product for specific w ar ranty infor mation. All Pass Laboratories products purchased from an authorized Pass Labora- tories dealer in Nor th America are cov ered by a transferable, limited 3-year warranty . This w ar rantee in[...]

  • Page 11

    11 XA200 Owner’ s Manual W ater and moisture: Electrical devices should not be used near water ( as per example , near a bathtub , washbasin, kitc hen sink, laundr y tub , w et basement or swimming pool ). Care should be taken suc h that objects do not hav e the oppor tunity to fall, and that liquid is never spilled onto or into the device enclos[...]

  • Page 12

    12 XA200 Owner’ s Manual Som eti mes tw o desi gns comp lem ent eac h oth er so we ll tha t y ou are surp ris ed when y ou learn th ey we ren ’ t in v ent ed toget her . So it is wit h th e X Sup ers ymme tery™ amp lie r a nd the Alep h si ngl e-en ded Cl ass A out put ci rcui t. The Sup ers ymme tery™ “X” am pli er repe ated ly d[...]

  • Page 13

    13 XA200 Owner’ s Manual th ey va nish at the outp ut, typ ical ly by a fa ctor of 10 or so for mat ch ed sin gle -en ded Clas s A cir cui ts . Sup ers ymme try™ exte nds th is conc ept by us ing fe edba ck on ly to mak e th e dis tortio n and nois e mor e ide nti cal on eac h half of a ba lanc ed ci r- cu it, not to eli min ate it as suc h. Th[...]

  • Page 14

    14 XA200 Owner’ s Manual Th e a m pl i e r ha s o n ly th e t w o s ta ge s , a n i np u t s t ag e o f a ba l an c e d p ai r o f i np u t d ev i ce s , a nd th e o ut p ut st a ge , a ba l an c ed pa i r o f s in g le - e nd e d C la s s A po w er Mo s fe t s . Li k e th e Al ep h ™, y o u ca n tr a ce a pa t h fr o m in p ut t o o ut p ut[...]