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Pass Labs X250.5 manual

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Table of contents for the manual

  • Page 1

    1 X250.5 Owners Manual pass TM X250.5 Owner’ s Man ual May 17, 2006[...]

  • Page 2

    2 X250.5 Owners Manual The P ass Laboratories ™ X250.5 stereo amplifier embodies the de- sign technolog y and refinements of the “X” series amplifiers includ- ing extensions of the patented Supersymmetry™ circuit. Additionally selected refinements of the XA series amplifiers hav e been incorpo- rated into the X250.5 to significantly improv [...]

  • Page 3

    3 X250.5 Owners Manual Previously these kinds of simple Class A circuits hav e been popular for their sound quality in low power amplifiers , but have not found application at high pow er levels due to excessi ve distortion and low efficiency . Supersymmetr y™ ov ercomes this bar rier, delivering the sweetness , staging, and detail of very simple[...]

  • Page 4

    4 X250.5 Owners Manual Y ou can position this amplifier most anywhere you wish, but it re- quires adequate ventilation. W e do not recommend placing it in enclosed cabinets or small closets without means for air to circulate freely . Stacking these pow er amplifiers directly upon each other is not recommended for the same reason. T his amplifier ty[...]

  • Page 5

    5 X250.5 Owners Manual th e b ac k o f t he amp lifi er , and th en int o t he wa ll. Then turn the b reak er sw itc h on (u p). The ligh ts in y ou r hous e wil l blin k whe n the p ow er sup- ply ch arges t he ca paci tors ; thi s is no r mal. This magn etic brea ker swit ch is n ot to be used as a saf ety d isco nnec t dur ing se r vici ng and i[...]

  • Page 6

    6 X250.5 Owners Manual Do ev er ybody a favor and try not to hav e shorted output cables. It happens accidentally all the time, and the amplifier is designed to sur- viv e, mostly . Of course it’ s alwa ys possible that something could g o wrong . If so , don ’ t g et ex cited, just relax. It’ s really ag g rav ating when something like this [...]

  • Page 7

    7 X250.5 Owners Manual The P ass Laboratories™ X250.5 is optimized for loads nominally rated at 4 ohms and abov e. Y ou can r un the amplifiers into a lo wer nominal impedance without difficulty , and we are not aware of a speaker on the market that presents un usual difficulty with these amplifiers . The X.5 series amplifiers do not care par tic[...]

  • Page 8

    8 X250.5 Owners Manual tention be paid to cleanliness of contact surfaces and proper fit. Speaker cables should be fir mly tightened down at the speaker output ter minals, but do not use a wrench. T hese connectors will not with- stand unrealistic foot-lbs of tor que. Hand tightening without exces- siv e force is plenty . Hardware F acts So ho w lo[...]

  • Page 9

    9 X250.5 Owners Manual All figures obtained after a 1 hour war mup , with regulated 120 V A C pow er line. See man ual notes about A C power line regulation. Gain 30 dB Freq. R esponse -3 dB at 1Hz, -3 dB at 100 kHz P ow er Output 250 watts @ 1% THD , 1 kHz, 8 ohms Maximum Output V oltag e plus , minus 60 v olts Maximum Output Current plus , minus [...]

  • Page 10

    10 X250.5 Owners Manual Please check with the factory-authorized distributor in the country you are purchasing this product for specific w ar ranty infor mation. All Pass Laboratories products purchased from an authorized P ass Labora- tories dealer in Nor th America are covered by a transferable, limited 3-year warranty . This w ar rantee includes[...]

  • Page 11

    11 X250.5 Owners 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 , wet 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 enclosure [...]