EarthQuake Cinenova Grande BR 5 Manuel de l'utilisateur - Page 13
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Cinénova Grande Power Amplifiers
Technology and Materials
EZXS Detachable Monaural Blocks:
Five or seven totally independent mono-block amplifiers each with its
own power supply circuitry and pre-amplification stage for high fidelity
audio reproduction. For ease of service, each block can be individually
removed and serviced without the need to ship the entire amplifier.
EZXS® is a trademark of Earthquake Sound Corporation.
Multiple Heat Sinks:
Over 500 square inches of heat radiating aluminum surface
channel maximizes heat exchange for cooler amplifier operation. The
12 gauge steel cover is perforated - top, sides & bottom- for effective air
circulation.
Peak LED Indicators:
These LEDs monitor the corresponding channel's output level. The
LEDs will come on only when the amplifier output reaches its maximum
level, near 1% THD. If an LED flickers that is ok. If an LED should remain
on for longer than 10 seconds then simply back the volume down
slightly to maintain a stable level of output.
Thermal Protection:
Each monaural block is equipped with a thermal sensor designed to
shut the amplifier down when it overheats. Overheating is not typical.
It only occurs if the amplifier is over driven with low impedance
speakers, or if the amplifier is located in an improperly ventilated
space.
The Thermal Protection Circuit will kick in at 85ºC and
release at 65ºC. It is unusual for this amp to reach temperatures of
this nature during normal or high power operation.
Individually Selected and Matched Components:
Components used to construct the Cinénova Grande are subjected
to an exhaustive selection process; during which, the components
are matched and individually tested to exact tolerances. Which leads to
the impressively low idling current of 600mA for the 5ch Cinénova.
Toroid Power Transformer:
Each Cinénova contains a monstrous 4KVA high efficiency bifilar toroid
transformer. This ferrite core transformer weighs over 30Lbs and is
wound with oxygen free, 99% pure copper that minimizes transport
losses. Hum suppression is accomplished by using a 12 gauge toroid
mount, insulated with 10 layers of pressed foam.
www.earthquakesound.com
Cinénova Grande BR Special Features
Special Features
Independent amplification blocks & power supplies
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®
(EZXS detachable monaural blocks)
Built-in line conditioner
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5-channel and 7-channel configurations
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Soft Start Circuitry
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Fully balanced inputs
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per
12VDC trigger input
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Three-way mode selection switch: High-pass, By-pass &
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Low-pass
20Hz-5kHz variable crossover for each channel
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Oversized bifilar toroidal power transformer with
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extraordinarily low DC resistance and thermal protection
Fuse Fault Indicators
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Thermal protection against overheating
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Individually selected and matched components
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Speaker protection against DC and frequencies below 10Hz
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Protection against short circuits, device failures, miss wiring,
Ÿ
and internal faults
Heavy duty gold plated output terminals
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Front mounted removable handles
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Note:
The soft start circuitry will cause a slight delay (around 6 seconds)
between the time when the amplifier is switched on and the time when
you hear any audio through the speakers. This time delay is essential as
it slows down the rushing current at initial start up, allowing it to slowly
charge the huge capacitor banks without tripping the main circuit
breaker.
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