Artcoustic PA250 User manual

Professional Single Channel Amplifier
www. artcoustic.com

Professional Single Channel Amplifier
PA-260 Power Amplifier Functions
a.  Input sensitivity control

b.  Subwoofer crossover, full range, 80Hz. and 120Hz.
 cut high frequency cut 24dB per octave
c.  XLR balanced audio input
d.  XLR balanced audio link
e.  RCA unbalanced audio input
f.  RCA unbalanced audio link
g. Speaker output terminals
h. Main power fuse
i.  Main power input socket
j. Voltage selector 110V. to 230V.)
k.  Input & Clip LED indicator
l.  On/off main switch (PA-250 & PA-750 are 
equipped with a automatic power on/off function, so 
no need to turn the amplifier off on main switch)
m.  Power LED indicator
PA-250 & PA-750 Professional Single Channel Amplifier
Artcoustic has designed and engineered the PA-250 & PA-
750 Professional Single Channel Amplifier. The PA-260 & PA-
& PA-750 performs smoothly and accurately even in the
most demanding conditions. The PA-250 & PA-750 is matched
to all the Artcoustic subwoofer’s impedance and tonality,
making a perfect match with amazing detail, control and
dynamics.
The PA-250 & PA-750 offers incredible single channel
performance in a rack mountable chassis just 2U high. This
together with it’s high performance and silent running dual
fan speed cooling system means it is suitable for almost any
application, from recording studios to commercial bars &
restaurants, high quality hi-fi and home cinema systems. It
features one single mono block with a total of 250 watt
8ohm and 750 watt 8ohm.
PA-250 Technical Specification
Output power 20Hz-20KHz RMS program channel
4 ohm  400 WRMS
8 ohm  250 WRMS
Power consumption: 300watt / 1024BTU/H
Frequency response
Full range: 20HZ-20KHZ ± 0.5dB
Sub:20HZ-80HZ 24 dB / oct
20HZ-120HZ 24 dB / oct
S/N Ratio: >95 dB
THD (at 1W into 8ohms, 1KHz): <0.05%
Damping factor: >300
Input impedance: 20Kohms balanced, 10Kohms unbalanced
Maximum input level: 3V
Load impedance: 4-8 ohm
Input sensitivity: 1.0 (0 dB)
Power supply: 115V/230V-50/60Hz
Cooling: Step less Fan system (Temperature controlled)
Input terminal: RCA, XLR
Output terminal: Binding post
Protection: Heat, over current, Short and DC
Dimensions (H x W x D) : 90 x 430 x 253mm
Weight : 12.7Kg
Artcoustic PA-250 & PA-750 single channel amplifier
features
· Only 2 rack units high, means It has a very high 
output while occupying minimal rack space.
· input sensitivity control.
· Signal presence and protection indicator.
· Unbalanced input via RCA connectors, balanced
input via XLR
· Stable performance down to 4 ohms.
· Auto turn on, turn off - signal sensing
· Subwoofer crossover, full range, 80Hz. and 120Hz.
24dB. per octave
· High current bi-polar technology.
· Single monoblock amplifier PCB design
· Extended protection circuit.
· Step less Fan system(Temperature controlled)
· Totally protected against overheating and shorting 
and includes DC prevention at the output stage.
· 1 year warranty.
PA-750 Technical Specification
Output power 20Hz-20KHz RMS program channel
8 ohm  750 WRMS
Power Consumption: 800watt / 2730BTU/H
Frequency response
Full range: 20HZ-20KHZ ± 0.5dB
Sub:20HZ-80HZ 24 dB / oct
20HZ-120HZ 24 dB / oct
S/N Ratio: >105 dB
THD (at 1W into 8ohms, 1KHz): <0.05%
Damping factor: >500
Input impedance: 20Kohms balanced, 10Kohms unbalanced
Maximum input level: 3V
Load impedance: 4-8 ohm
Input sensitivity: 1.0 (0 dB)
Power supply: 115V/230V-50/60Hz
Cooling: Step less Fan system (Temperature controlled)
Input terminal: RCA, XLR
Output terminal: Binding post
Protection: Heat, over current, Short and DC
Dimensions (H x W x D) : 90 x 430 x 253mm
Weight : 15.5Kg

Professional Single Channel Amplifier
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PA-250 Rear Panel
PA-750 Rear Panel
PA-250 Front Panel
PA-750 Front Panel
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WARNING!
Do not unplug mains cable before turning off the amplifier on the front panel on/off switch.
Unplugging the mains cable while still on can cause sever damages to the amplifier and
conected loudspeakers

Professional Single Channel Amplifier
PA-250 Front Panel
PA-750 Front Panel with
optional rack mount
PA-250 Rear Panel
PA-750 Front Panel