P1 & P2
Power Amplifiers
3.5 Specifications
P1 P1 Pro P2 P2 Pro
Power Output >150W into 8 Ohms >250W into 8 Ohms
(1% Distortion, 1kHz, Both >200W into 4 Ohms >370W into 3 Ohms
channels driven, Continuous average)
Frequency Response <2Hz – >400kHz
(-3dB)
Distortion <0.003% (-95dB)
(1kHz, 8 Ohms, 1dB below full power)
Input Sensitivity 2.0V/3dBV/4.1dBu
(150 Watts, 8 Ohms, 1kHz)
Input Impedance 10k Ohms (Phono)
10k Ohms/Leg (XLR)
S+N/N Ratio >100dB (Wideband)
>110dB (DIN)
>115dB (IEC "A")
Crosstalk >100dB
(10Hz – 20kHz)
Damping Factor >400
(8 Ohms)
Absolute Phase Zero Degrees (Phono)
Zero Degrees (XLR, Pin 2 Hot)
XLR Common Mode Ratio >60dB
(100Hz – 10kHz)
Power Requirements 100, 115, 230V factory set, 50/60Hz
Power Consumption 2VA Standby 3VA Standby
600VA Maximum 1000VA Maximum
Remote Standby Trigger Input None 5 – 12v ac/dc None 5 – 12v ac/dc
Dimensions (H x W x D) 135 x 435 x 350mm 135 x 483 x 350mm 135 x 435 x 350mm 135 x 483 x 350mm
5.32 x 17.13 x 13.78 in 5.32 x 19.0 x 13.78 in 5.32 x 17.13 x 13.78 in 5.32 x 19.0 x 13.78 in
Weight 23kg/50.6lbs Net 23.5kg/51.7lbs Net 25kg/55lbs Net 25.5kg/56.1lbs Net
25kg/55lbs Packed 25.5kg/56.1lbs 27kg/59.4lbs 27.5kg/60.5lbs
E. & O.E. The policy of Loudspeaker Technology Ltd. is that of continuous design and development. We reserve the right to change specifications without prior notice.
and ‘error right’. Clip events are displayed by a
momentary blinking of the clip LED. If a number
for clip events occur in a short space of time
(overload) then the amplifier will shut down into
‘protect’ mode and one of the front panel ‘error’
LEDs will be lit. The amplifiers standby function
will need to be cycled to restore normal operation.
However, the amp is likely to switch quickly back to
‘protect’ mode unless the output level has been
reduced prior to reset.
These features are to ensure the
longevity of the amplifier and protect
loudspeakers from potential damage!
Please take note!
P1 Pro and P2 Pro
Operation of these two variants is exactly the same as the P2 (Hi-Fi) except for the
added features of a front panel mounted standby button and a rear panel mounted
remote standby trigger input. The remote trigger input is via a lockable 5.5mm jack
plug and accepts 5 – 12 V ac/dc. Standby can also be triggered via IR remote although
a handset is not supplied.
Due to the nature of the electronics in ATC amplifiers it is quite normal for a sound
to be heard from the speaker when the power is applied or disconnected. The noise
heard will not damage the speaker and is quite normal. Although ATC uses the
highest-grade components, a different noise may be heard from each speaker due to
slight tolerance variations in the amplifier components.
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