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PASS

®

XA25

25W Stereo Class A Amplifier

Summary of Contents for XA25

Page 1: ...PASS XA25 25W Stereo Class A Amplifier ...

Page 2: ...ticular attention to cords where they enter plugs or exit from a device Never under any circumstance insert a cut or damaged power cord into a mains power socket Cables should never be connected disconnected with equipment powered up Failure to heed this warning may damage or destroy equip ment To Disconnect the Amplifier To safely disconnect the amplifier from the AC you must remove the AC power ...

Page 3: ...compensation The result is faster lower distortion lower noise higher damping and larger Class A operating envelope into low impedance loudspeakers all in a simple 3 stage circuit with total of three pair of push pull gain transistors In their ideal state matched push pull FETs give perfect square law cancellation of distortion an effect somewhat spoiled by degenerative Source resistance used to c...

Page 4: ...ated by local authorities to carry a minimum of 13A at 250V At idle the XA25 will consume 240W from the AC mains The required voltage and correct fuse value will be indicated on the rear of the amplifier Both 100 Vac and 120 Vac builds are fused at 5A The 220 240 Vac build amplifiers are fused at 2 5 amp In all instances the fuses are type 3AG slow blow time delay fuse rated for 250 VAC ser vice D...

Page 5: ...re wire or pins with a diameter of 4 5mm or less Bare wire pins and spades socket into the binding post only from the bottom The nuts on the binding posts should only be finger tight Nev er tighten with wrench or pliers NOTE The Audio outputs of power amplifiers are considered class 2 CL2 circuits in North America This means that the wire connected between the amplifier and the speak er s shall be...

Page 6: ...lope 50 Watt peak for 2 4 or 8 ohm load Bandwidth DC to 2 dB 100 KHz Noise Less than 50 uV output unweighted 20 to 20 KHz Damping Factor 500 Slew rate 100 V uS Input Impedance 47 Kohm Peak Current 10 Amp output 200 Watt peak into 2 ohms Protection Shutdown at 10 amps output Idle Power draw 2 0 Amps 120 VAC 240 Watts Here are some pretty pictures ...

Page 7: ...ries Inc and all rights thereto are protected by law 17 00 5 10 6 48 11 48 10 17 2016 D C B A B C D 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 E F E DH SHEET 1 OF 1 F SCALE 1 4 DWG NO C SIZE TITLE NAME DATE DRAWN FINISH MATERIAL UNLESS OTHERWISE SPECIFIED 530 878 5350 0 5 X XX PASS PROJECT 0 01 X XX 0 005 A DIMENSIONS ARE IN INCHES TOLERANCES ANG PASS LABORATORIES 13395 New Airport Rd Suite G Auburn CA 95602...

Page 8: ...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 dist...

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