Ashly Power Amplifiers FET-200 Руководство по эксплуатации - Страница 9
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METERS
The
meters
on
the
front panel respond to the peak output
voltage
of
the
amplifier as measured at the speaker terminals.
A ten segment,
three
color
LED display covers a twenty-seven decibel range.
the LED's on one channel light up and stay on with only
a
small
input signal, a blown speaker fuse or faulty speaker wiring is indicated.
THERMAL STATUS INDICATOR
In the event that the amplifier overneats, it will automatically shut down and
the green THERMAL STATUS LED will turn off.
The fan will continue to run, and^
vdien the heat sink temperature returns to normal the green THERMAL STATUS
LED
will come back on and the amplifier will turn itself back on.
It
is extremely unlikely that any combination of musical program material and
load
conditions
will activate the thermal shutoff mechanism in
normal
use.
Should overheating occur,
check to be sure that the air flow in front of
and
behind the amplifier has not been blocked.
Note^ that
there
is a very generous safety margin
between
the
temperature
required
to activate the thermal cutouts and temperatures which could
damage
components in the amplifier.
SPECIFICATIONS:
FET-200
RATED POWER
100 Wotts/channel
Both channels driven into
8 ohms
160 Wofts/chonnel
Both channels driven into
4 ohms
320 Watts into 8 ohms bridged
mono
FET-500
RATED POWER
250Wcitts/channel
Both chonneis driven into
8 ohms
400Watts/channel
Both
channels driven into
4
ohms
SOOWotts into 8 ohms bridged
mono
FREQUENCY RESPONSE
HARMONIC DISTORTION
IM DISTORTION (SMPTE)
DAMPING FACTOR
±.5db lOHz-SOKHz
< .05% 20Hz-20kHz. 100
watts,
8 Ohms
< .01% 100 watts, 8 ohms
> 100 20Hz-20kHz
SLEW RATE: 50V/
fisec
RISE TIME 2
fisec
10%-90%
FREQUENCY RESPONSE ±.5db 10Hz-50kHz
HARMONIC DISTORTION
IM DISTORTION (SMPTE)
DAMPING FACTOR
SLEW RATE:
RISE TIME
< .05% 20Hz-20kHz, 100
watts,
8 Ohms
< .01% 100 watts, 6 ohms
> 100 20Hz-20kHz
50V/
fisec
2 fisec
10%-90%
8