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ADVANCED

POWER AMPLIFIER

GFA-585se

The contents of this manual are subject to change. Please check our website
www.adcom.com or www.adcom-usa.com for the most current version.

Содержание GFA-585se

Страница 1: ...ADVANCED POWER AMPLIFIER GFA 585se The contents of this manual are subject to change Please check our website www adcom com or www adcom usa com for the most current version Copyright 2017 Adcom LLC...

Страница 2: ...tended periods of time 10 Exercise care to avoid spilling liquids on or in the amplifier 11 Do not place the amplifier on an unstable table stand or cart Improper placement of the amplifier may cause...

Страница 3: ...y broad range of loudspeakers including those with very low impedances at sustained high power levels even when the impedances are highly reactive Great care was taken to insure that distortion in the...

Страница 4: ...optimal range regardless of the length of time and the level of operation All internal point to point wiring is OFC and the highest grade parts consistent with their application and voltage requireme...

Страница 5: ...ess in both appearance and performance After you have unpacked the GFA 585se inspect it for physical damage Save the shipping carton and all internal packing materials as they are intended to reduce t...

Страница 6: ...cabinet it is recommended that the rear panel of the cabinet be provided with vents or slots at the bottom and top to allow air to circulate freely through the cabinet If you observe these recommendat...

Страница 7: ...is is particularly important if you use a long run between the preamplifier and the amplifier or if your preamplifier has a high output impedance Generally speaking a cable with a capacitance of aroun...

Страница 8: ...pair of loudspeakers and the LEFT STEREO OUTPUT to the left channel loudspeaker Be certain when the GFA 585se is used in Its stereophonic mode the STEREO BRIDGED MONO INPUT switch is in the STEREO po...

Страница 9: ...hich you should observe in order to insure maximum performance from your amplifier It is most important that you make certain the wiring you have selected has as Iower capacitance as possible All ampl...

Страница 10: ...n by the GFA 585se The GFA 585se can drive these low impedances at more than adequate power levels with no difficulty It should be noted here that many loudspeaker systems which are rated nominally at...

Страница 11: ...minal of the loudspeaker and vice versa Repeat the listening test with the mono signal to make sure you are correct in your initial evaluation If you can now achieve a precise and stable image of the...

Страница 12: ...erefore an 8 ohm loudspeaker will be seen by the amplifier as if it were a 4 ohm load a 4 ohm loudspeaker load will be seen by the amplifier as a 2 ohm load NOTE If the connections described above are...

Страница 13: ...to or from the RIGHT LEFT STEREO SPEAKER OUTPUTS Should you inadvertently short out the RED and BLACK STEREO SPEAKER OUTPUTS enough power may remain in the power supply to cause sufficient current to...

Страница 14: ...C LINE FUSE The AC LINE FUSE protects the electronic circuits of the GFA 585se This fuse normally will blow only if there is an overload within the GFA 585se Since this fuse has been designed to prote...

Страница 15: ...ts fuse holder use only a number 2 Phillips screwdriver to prevent damage to the fuse holder Simply press lightly on the fuse holder cap and turn counterclockwise The cap will pop out after several tu...

Страница 16: ...oes into operation status The POWER LED indicates that there is AC voltage of GFA 585se being fed to the amplifier Additionally the internal power transformer is provided with a thermostat which will...

Страница 17: ...ROTECTION LED There are two statuses for the LIMIT PROTECTION LED Firstly when power on the amplifier the Limit protection LED will light 8 2 seconds and then go out it means the amplifier is no outpu...

Страница 18: ...ON WHICH MAY BE CAUSING ACTIVATION OF THIS CIRCUITRY INSTALL AN AUXILIARY FAN OPTION OR IN EXTREME CASES UNDERTAKE ALL THREE CARING FOR YOUR GFA 585se Great care has been taken by ADCOM to assure that...

Страница 19: ...ough Friday PO BOX 54096 9 00AM to 4 00PM Arizona Time PHOENIX AZ 85078 Phone Number 480 607 2277 U S A email info adcom usa com When calling or writing about your GFA 585se be sure to note and refer...

Страница 20: ...any frequency between 20Hz and 20kHz at less than 0 10 THD bridged IM Distortion SMPTE 1 watt to 450 watts into 8 ohms 0 03 1 watt to 600 watts into 4 ohms 0 05 IM Distortion CCIF Any Combination from...

Страница 21: ...0dB Input Impedance 22 000 ohms Input Sensitivity 450 watts into 8 ohms 2 681V rms 1 watt into 8 ohms 126mV rms Damping Factor 20Hz to 20kHz 800 Rise Time 5kHz 90V peak to peak square wave 20 to 80 2...

Страница 22: ...ced or electronically transmitted without the express written consent of Adcom LLC Adcom LLC shale not be liable for any errors contained herein or for any damages arising out of or related to this do...