PX850
3
•250Wper channel into 8 ohms
425Wper channel into 4 ohms
525Wper channel into 2 ohms
•Three connector versions available:
Standard - Neutrik™ combi inputs with
Binding Post outputs
BR Version - Barrier Strip inputs and outputs
SPVersion - Neutrik™ combi inputs with
Neutrik™ Speakons™ and
Binding Post outputs
•Independent 41 detent Level Controls for CH1 & CH2
•Externally configurable for Parallel Mono mode to
operate both channels with a mono signal
•Externally configurable for Bridged Mono mode to
combine the power of both channels into a higher
powered mono channel
•Externally configurable input sensitivity @ 0.775V,
1.5V or fixed +28dB gain
•Protection circuitry includes DC Fault, T h e r m a l ,
and Short Circuit
•Power Ready, Signal Present, Clip, Protect,
Thermal and Standby indicators for each channel
•Variable Speed Fan
•Front or Rear Gain Controls (field configurable)
•Signal Smart Standby Circuitry. Power saving
feature which automatically turns off or on the
amplifier based on the presence of a signal and the
position of the threshold adjustment
•RAMPoptional computer monitoring port

PX850BR

4
Continuous Average Output Power, both
channels driven: (20Hz
to 20kHz, with no more
than 0.1% THD) 250 watts
per channel into 8 ohms,
425 watts per channel into
4 ohms, 525 watts per
channel into 2 ohms,
Bridged-mono operation:
850 watts into 8 ohms at
1kHz, with no more than
0.1% THD
Parallel-mono operation:
260 watts into 8 ohms
from 20Hz to 20kHz, with
no more than 0.1% THD
Dynamic Headroom:
>2.0dB
F requency Response:
20Hz to 20kHz (±0.1dB)
Channel Separation:
>65dB @ 1kHz
Damping Factor: <600 @ 10-400Hz ref. to
8 ohms
Input Impedance: 20K balanced
Sensitivity: .775V, 1.5V for rated
power 4 ohms, or fixed
gain of +28dB
Gain: 34.5dB, 28.8dB, or 28dB
fixed dependent on
sensitivity
Input Overload: +18dBu
THD: <0.1%
IM Distortion: <0.1%
Signal-to-Noise Ratio:
>106dB, A-weighted, re f .
to rated power into 8 ohms
Slew Rate: 70V/ µS
CMRR: >80dB @ 1kHz
Current Consumption:
84w @ idle, 525w with
musical program, 840w @
full power into 8 ohms
(continuous), 1540w @ full
power into 4 ohms
(continuous)
Display: 6 LED indicators per
channel; red CLIP, yellow
SIGNAL READY, green
ON, red PROTECT, red
THERMAL, yellow
STANDBY
Size (H x W x D): 5.75” (3u) x 19” x 15.38”
133.4mm x 483mm x
390.6mm
Net Weight: 46.0lbs. (20.9kg)
Shipping Weight: 52lbs. (23.64kg)
Due to ongoing research and development, all
specifications and features are subject to
change without notice.
Barrier strip version available. Order PX850B R
Neutrik Speakon™ version available. Order
PX850SP
Handle Kit available. Order PX4HK
The PX850 Series is available in 100V, 120V
and 230V 50/60Hz.
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