Audio Pole PA 4-250 User Manual - Installations Hints
6
Installations Hints
4
Technical Specifications
5
In case of installation in cabinet or rack, ensure the ventilation requirements. The depth of the unit is 425 mm.
The dimensions in height is 2 units Rack (88 mm).
Do not position high-gain audio equipment like preamplifiers or recorders just above or below the amplifier.
Despite the protections of the radiation device, magnetic fields can induce hum in unscreened ancillary
equipment.
Do not obstruct the entrance and exits of air for the cooling of the amplifier. Any impediment to the free
movement of air in the amplifier may cause a failure not covered by the warranty.
The amplifier use in an environment where the air is confined or polluted requires frequent internal cleaning.
Smoke and dust particles accumulated inside the appliance can cause failures not covered by the warranty.
This cleaning should be done by qualified personnel.
Before any work on the wiring, be sure to turn the control knobs fully counterclockwise and turn off the
amplifier.
Only use good quality speaker cables, unshielded.
Use good quality audio cables, shielded, for inputs. A balanced connection is recommended to keep a signal
without degradation.
RMS Power (per channel4 Ω)
250 W
Amplification
Class-H
Outputs
4 Ω, 70 V, 100 V
THD
0.1 % (1 kHz/-3 dBv )
S/N
> 95 dB
Modes
DUAL / MONO
Crosstalk
> 60 dB
Input Level (balanced, 1 kHz)
0 ± 1.5 dBv
Input Level max. (balanced, 1 kHz)
20 dBv ± 1.5 dBv
(L/H Filter OUT) 20 Hz – 20kHz ± 1 dB
(L/H Filter IN) 200 Hz – 10 kHz ± 1 dB
Input Connectors
XLR balanced
Ouptut connectors
Screw terminals
Power Supply
~ 115-230 V, 50/60 Hz
Dimensions (L x D x H)
483 x 425 x 88.5 mm
Net Weight
9.8 kg
Frequency Response