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Continuous Average Output Power, both
channels driven:
135 watts per channel
into 8 ohms from 20Hz to
20kHz, with no more than
0.1% THD
210 watts per channel
into 4 ohms at 1kHz, with
no more than 0.1% THD
Bridged-mono operation:
420 watts into 8 ohms at
1kHz, with no more than
0.1% THD
Dynamic Headroom:
1.4dB @ 4 ohms
Frequency Response:
20Hz to 20kHz (±0.75dB)
Channel Separation:
>55dB @ 1kHz
Damping Factor: <400
Input Impedance: 22 Kohms unbalanced,
44 Kohms balanced
Sensitivity: Low: 1.5VRMS for rated
power into 4 ohms at
1kHz 106mVRMS for 1W
into 4 ohms @ 1kHz
High: 0.775VRMS for rated
power into 4 ohms @
1kHz, 55mVRMS for 1W
into 4 ohms @ 1kHz
Gain: High: 31.2dB (±0.5dB)
Low: 25.5dB (±0.5dB)
Input Overload: +18dBµ
IM Distortion: <0.1%
Signal-to-Noise Ratio:
>100dB, A-weighted,
referenced to rated power
into 4 ohms
Slew Rate: >10V/µS
CMRR: >44dB @ 1kHz
Power Consumption:
1000W at full power into
4 ohms
Power Requirements:
120VAC/60Hz (USA and
Canada) Other voltages
as required for export
Display: LED ladder, 3 indicators
per channel: READY,
SIGNAL, CLIP/PROTECT
Size (H x W x D): 3.50˝ (2U) x 19˝ x 13.25˝
89mm x 483mm x 337mm
Net Weight: 23.8 lbs. (10.8 kgs)
Shipping Weight: 28 lbs. (12.73 kgs)
Due to ongoing continuous product development
features, specifications, and availability are subject
to change without notice.
pm420
•
135W per channel into 8 ohms
210W per channel into 4 ohms
420W mono into 8 ohms
•
1/4-inch TRS input jacks
•
Accepts balanced or unbalanced lines
•
Multi-way binding post outputs
•
Independent 11 detent Level Controls for CH1 & CH2
•
Dual Mono mode for operating both channels with a
mono signal
•
Bridged Mono mode for combining the power of
both channels into a single higher-powered channel
•
Input sensitivity set at 1.5V RMS from factory.
Internally reconfigurable to 0.775V RMS.
•
Internal jumpers to bypass Left and Right Channel
Level Controls
•
Independent CH1/CH2 2 Speaker relays will
instantaneously disconnect if one of the following
fault conditions is detected:
D.C. Offset
Over Temperature
Short Circuit
•
Additional protection circuitry includes:
Clipping Eliminator
Resettable Circuit Breaker
•
Power Ready, Signal Present and Clip/Protect
indicators for each channel
•
Convection cooled
•
70V transformer option
•
CE 1997 approved
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