Numark Industries 3, 4 manual LOW CUT Filter, Dimension

DIMENSION 3 & 4 AMPLIFIERS

2-5: LOW CUT FILTER

The low-cut filter removes ultra-low frequencies from the audio signal. Most amplifier power is consumed by low frequencies and most speaker woofer damage is caused by them. Activating this switch ensures that more power can go to the middle frequencies and there is less chance for audio clipping.

3-4: 50HZ/30HZ roll off

If low cut filtering is activated, then the roll off frequency should be determined. At 30Hz, all audio below 30Hz will be removed, at 50Hz more audio will be removed because all audio below 50Hz will be removed.

18.Stereo/Bridge Mode Switch- Bridged mono operation is easily achieved and gives you the output power of both channels with just one mono output. For successful bridge operation, follow these instructions:

•Set the Mode Selector to Bridge while amplifier is off.

•Connect input signals.

•Use only the middle terminal post outputs for speaker wiring, or middle speakon output. Connect the speaker load to the red terminals of each channel. Please confirm the (+) terminal of speaker to Channel A and the (-) terminal of speaker to Channel B. Do not use the black terminals of each channel.

•The minimum load impedance in bridge mode is 4 Ohm.

•To adjust level, use Channel A control and leave Channel B level at zero.

•To use a subwoofer, make all setting adjustments on Channel A.

SPECIFICATIONS

Rated Power Output:
Dimension 4
850W RMS	@ 2 Ohms, 1KHz, 1% THD per channel (stereo)
660W RMS	@ 4 Ohms, 1KHz, 1% THD per channel (stereo)
412W RMS	@ 8 Ohms, 1KHz, 1% THD per channel (stereo)
1900W RMS	@ 4 Ohms, 1KHz, 1% THD (mono bridged)
1350W RMS	@ 8 Ohms, 1KHz, 1% THD (mono bridged)
Dimension 3
650W RMS	@ 2 Ohms, 1KHz, 1% THD per channel (stereo)
475W RMS	@ 4 Ohms, 1KHz, 1% THD per channel (stereo)
300W RMS	@ 8 Ohms, 1KHz, 1% THD per channel (stereo)
1300W RMS	@ 4 Ohms, 1KHz, 1% THD (mono bridged)
930W RMS	@ 8 Ohms, 1KHz, 1% THD (mono bridged)
Total Harmonic Distortion:		Less than 0.002%
Input sensitivity & Impedance:		1.0 V RMS (0 dBV)
Hum & Noise:		100 dB, unweighted
Power Consumption:		10A @ 120V AC 120V/60Hz or 220V/50Hz switchable
Frequency Response:		10Hz - 40 kHz, +/- 1 dB
Dimensions:		3.5" H x 19" W x 15.9" D / 880mm x 483mm x 405mm
Weight:		31 lbs. / 14kg.
©2001 Numark Industries		- The Leader in DJ Technology	http://www.numark.com
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