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350 watts into 8 ohms

1100VA

450 watts into 4 ohms

1730VA

900 watts into 8 ohms, bridged

1730VA

GENERAL

Power

120VAC/60Hz

Chassis Dimensions

8-3/4" (222mm) x 17

” (432mm) x

17-3/4"

(450mm)

Maximum Dimensions

10-3/4

”(275mm)x19" (482mm) x

19-3/4"

(502mm)

Weight

70.4lbs.(32kgs)

Weight, Packed

79.2lbs.(36kgs)

Specifications subject to change without notice.

Adcom and the Adcom logo are registered trademarks of Adcom LLC

No part of this manual may be reproduced 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 document

or the information contained herein, even if Adcom LLC has been advised of the possibility of such damages. This

document is intended for informational and instructional purposes only. Adcom LLC reserves the right to make changes in

the specifications and other information contained in this document without prior notification. Adcom LLC disclaims any

obligation to update the information contained herein.

Содержание GFA-575se

Страница 1: ...ADVANCED POWER AMPLIFIER GFA 575se 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 2016 Adcom LLC...

Страница 2: ...ier can drive a very 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 tha...

Страница 3: ...he amplifier operates in its 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 appli...

Страница 4: ...ess in both appearance and performance After you have unpacked the GFA 575se inspect it for physical damage Save the shipping carton and all internal packing materials as they are intended to reduce t...

Страница 5: ...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 6: ...nce This 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...

Страница 7: ...pair of loudspeakers and the LEFT STEREO OUTPUT to the left channel loudspeaker Be certain when the GFA 575se is used in Its stereophonic mode the STEREO BRIDGED MONO INPUT switch is in the STEREO po...

Страница 8: ...dspeakers there are some other requirements which 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...

Страница 9: ...down to 2 ohms can be connected to and driven by the GFA 575se The GFA 575se can drive these low impedances at more than adequate power levels with no difficulty It should be noted here that many lou...

Страница 10: ...l of the loudspeaker to the negative terminal 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 ac...

Страница 11: ...plifiers in the bridged configuration Therefore 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 NOT...

Страница 12: ...loudspeakers 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 sufficien...

Страница 13: ...the blades can be fully inserted to prevent blade exposure AC LINE FUSE The AC LINE FUSE protects the electronic circuits of the GFA 575se This fuse normally will blow only if there is an overload wit...

Страница 14: ...ARRANTY To remove a blown or suspect fuse from its 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 counte...

Страница 15: ...color to blue color amplifier goes into operation status The POWER LED indicates that there is AC voltage of GFA 575se being fed to the amplifier Additionally the internal power transformer is provid...

Страница 16: ...se the THERMAL PROTECTION to be activated or in extreme cases damage your loudspeakers THE LIMIT PROTECTION LED There are two statuses for the LIMIT PROTECTION LED Firstly when power on the amplifier...

Страница 17: ...REDUCE THE VOLUME LEVEL DEMANDS RECTIFY THE LOAD IMPEDANCE CONDITION WHICH MAY BE CAUSING ACTIVATION OF THIS CIRCUITRY INSTALL AN AUXILIARY FAN OPTION OR IN EXTREME CASES UNDERTAKE ALL THREE CARING FO...

Страница 18: ...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 575se be sure to note and refer...

Страница 19: ...atts continuous average power into 8 ohms at any frequency between 20Hz and 20kHz at less than 0 10 THD bridged IM Distortion SMPTE 1 watt to 350 watts into 8 ohms 0 03 1 watt to 450 watts into 4 ohms...

Страница 20: ...room into 4 Ohms 1 25dB Signal to Noise Ratio A Weighted 350 watts into 8 ohms 113dB Gain 27 0dB Input Impedance 22 000 ohms Input Sensitivity 350 watts into 8 ohms 2 36V rms 1 watt into 8 ohms 126mV...

Страница 21: ...Adcom LLC No part of this manual may be reproduced or electronically transmitted without the express written consent of Adcom LLC Adcom LLC shale not be liable for any errors contained herein or for a...

Страница 22: ...21...

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