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LOCATION
The 9505 power transformer can generate a substantial magnetic field, so caution should be exercised in the
placement of low level components such as a tape deck, mixer or mic preamp to avoid inducing noise in the low
level circuitry. The amplifiers can also produce considerable heat in normal operation so the primary consideration
when determining a location for the amplifiers is to allow for adequate ventilation. The large heatsinks provide
unrestricted airflow, but care must be taken to keep the slots in the bottom panel and top cover clear. If the amplifier
is mounted in an equipment rack, make sure adjacent equipment does not impede cool air flow.
Rack systems should have two fans 4" to 5" in from the front of the amplifier blowing upward.
Los sistemas empotrados en gabinetes (rack), deben tener dos (2) ventiladores soplando hacia arriba, ubicados
de 10 a 12.5 ctms. detrás del frente del amplificador.
Les chaines stéreo Rack devraient avoir deux ventillateurs placés à 4 ou 5 centimètres, en face de l'amplificateur.
Rack Systeme sollten zwei eingebaute Ventilatoren haben, die Luft von oben auf den Verstärker leiten. Die
Ventilatoren sollten ca. 10-20cm hinter der Front des Verstärkers angebracht werden.
Per i sistemi ad armadio sono necessari due ventilatori direzionati in su collocati dai 10 ai 13 centimetri davanti
all'amplificatore.
Inadequate ventilation can shorten component life, especially when other equipment raises the ambient air
temperature, so circulating fans should be considered in tight quarters.
I NSTALLATION
Fan center approximately in line with edge of unit and starting of heatsink fins
• Fans placed 4" to 5" from front of unit
• Fans placed under the unit pointing upwards
• Recommended 9505 fan is 50cfm x 2
(Bottom View)
4" to 5"
(from fan center)
AC LINE
The 9505 amplifier operates from a 120 volt, 60Hz AC power line. Connection is made by a 16 gauge, IEC Type
320, grounded line cord. For safety considerations only a properly grounded (earthed) receptacle should be used.
If a grounded circuit is not available, do not break off the ground pin; use the proper adapter plug for a two wire
receptacle. Mounted on the rear panel is the line fuse which interrupts the power to the amplifier. If this fuse blows
replace it only with the same type and rating fuse. The correct replacement fuse value is printed on the rear panel
of the amplifier. If the new fuse blows, this is an indication of a fault with the amplifier. Servicing should be
performed only by a qualified technician.
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