fier input signal. Switch the breaker to the ‘ON’ position. Then power the unit up normally.
IEC-320 C14 POWER INLET
Accepts power cords with IEC-320 C13 connectors. Use only approved power cords.
EXTERNAL TURN-ON SELECTOR (EXTERNAL/LOCAL)
LOCAL operation: To operate only via the front panel push-button power
switch, place the External Turn On selector in the LOCAL position. If a control
voltage is present at the ‘IN’ terminals it will still be available at the ‘OUT’ termi-
nals after the power-up sequence.
EXTERNAL (Remote) operation: To enable remote power ON/OFF control of
the amplifier this switch must be in the EXTERNAL position. Supply a 4v to 12v
A/C or DC control voltage to the ‘IN’ terminals of connector . Use paired wire
of 22 to 18 gage sufficient in length between the source device and the SST
amplifier. Set Selector switch to “External”. The amplifier will now power-up
only when the control voltage is present (on). Immediately following power up,
the control voltage will appear at the ’OUT’ terminals of connector for the
control of other equipment. The removal of the control voltage (0v) causes the
amplifier to turn ‘off’ and the control voltage at the ‘OUT’ terminals is interrupted.
REMOTE POWER ON/OFF CONTROL CONNECTOR
To power-up the 7BSST
2
amplifier using an external control voltage, connect 4
to 12 volts, AC or DC, to the IN pins of this connector with the External/Local
switch set to EXTERNAL. When this control voltage is removed the ampli-
fier turns off. Use stranded wire between 22 and 18 AWG, with 1/4" of the
insulation stripped off, to connect the control voltage to the interface connec-
tor shown at the right. Do not over tighten the wire-clamps; .5Nm or 4.5Lb-in is the maximum torque recommended.
Then plug the interface connector into the EXTERNAL TURN ON connector.
7BSST
2
POWER AMPLIFIER
TECHNICAL SPECIFICATIONS
PARAMETER MIN TYPICAL MAX UNITS CONDITIONS
POWER OUTPUT
600 Watts 20-20K Hz into 8 Ohms
900 20-20K Hz into 4 Ohms
SENSITIVITY
2.3 Vrms for 600 Watts out into 8Ω, 29dB gain selected
4.6 for 600 Watts out into 8Ω, 23dB gain selected
INPUT IMPEDANCE
15K Ohms balanced input (XLR)
10K single ended input (RCA)
THD+N
.005 %
20Hz to 20KHz at 600 Watts into 8Ω
.007 %
20Hz to 20KHz at 900 Watts into 4Ω
NOISE
110 dB Input shorted, 20Hz to 20KHz, gain set to 29dB
113 dB Input shorted, 20Hz to 20KHz, gain set to 23dB
SLEW RATE
60 V/µsec
POWER BANDWIDTH
<1 >100K Hz
DAMPING FACTOR
300
at 20Hz, ref 8Ω
WEIGHT
25 (55)
Kg (lbs)
including box and packing (i.e. shipping weight)
POWER CONSUMPTION 215 Watts at idle
1284 at 600 Watts output into 8Ω
1980 at 900 Watts output into 8Ω
HEAT DISSIPATION 733 BTU/hr at idle
2333 at 600 Watts output into 8Ω
3684 at 900 Watts output into 4Ω
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