Pass XA25 Скачать руководство пользователя страница 5

OUTPUT CONNECTIONS AND LOUDSPEAKERS

The rear of  the XA25 is equipped with a pair of  Furutech binding posts for each channel, 

four total.  The binding posts are marked red and black.

The Red output connector connects to the Red (+) of your speakers and the Black connec

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tor will connect to the Black (-).

The Black output connector is at circuit ground.  You can use it to connect to powered 

sub-woofers if  you like.

The amplifier is stable into any load which does not dip below 0.5 ohms, but it will protect 

itself  by shutting off any channel which outputs more than 10 amps (200 watts peak into 2 

ohms).  The protection circuit is reset by turning the amp off  for a few moments and then 

turning it back on.  We recommend that you check your output wiring and/or the loudspeak-

er if  this happens, and contact your dealer or the factory if  you have problems.

The Furutech binding posts deserve special note - in keeping with the requirements of Class 

2 circuits in North America they are fully insulated.  Speaker cables connected as intended 

will have no exposed conductive metal.  The Furutech posts accept banana, spade, bare 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 rated at minimum Class 2 (CL2) and shall be installed according the the U.S, 

National Electrical Code (NEC) Article 725 or Canadian Electrical Code (CEC) section 16.

OPERATION

Once the speakers have been connected in observation of  the proper regulations and with 

the observation of  polarity and phase you may attach the input cables and power cord.  It is 

always advised that the power cord is the last connection made and the first to be removed.

You are now ready to play music.  Turn the level at the source or preamp to a low level.  

Press the power switch on the front panel of  the XA25, the blue LED above the power 

switch will light.  Turn the volume up to your preferred listening level.  Sit back and enjoy!  

The XA25 takes approximately an hour to fully warm up and sounds better as it does.  Push-

ing the power button on the front panel of  the XA25 a second time turns it off  and extin-

guishes the blue LED.

Содержание XA25

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

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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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