8
H-3200/4200
PROFESSIONAL POWER AMPLIFIER
3. CLIP LIMITER SWITCH
The CLIP LIMITER reduces the signal level as necessary to insure that excessive signals do not overdrive the
amplifier. It is recommended to leave this switched to the “ON” position to help prevent distortion and to help
provide protection to high frequency drivers.
4. HIGH PASS FILTER SWITCH
Select the filter position that is appropriate for your application. The OFF position allows full frequency range
signals be amplified. The 30Hz/50Hz positions of this switch filter (reduce the signal strength) signals below
30/50 Hz to reduce AC MAINS power requirements and also to help protect the speaker by reducing the
level of subsonic signals.
5. BALANCED INPUT CONNECTORS
Each input channel is equipped with a special “combo” connector that will accept either a 1/4” TRS or an
XLR connector. Although the connector is of this special design, standard rules of interconnect apply.
6. MODE SELECTOR SWITCH
Select the appropriate position of this switch for STEREO, PARALLEL or BRIDGED MONO as required.
The Stereo mode is the standard mode of operation. Channel 1 input sends signals to the channel 1 output.
The channel 2 input sends signals to the channel 2 output.
The Parallel mode uses the channel 1 input to sends signals to both the channel 1 and channel 2 outputs. No
input should be supplied to channel 2 when in Parallel mode.
The Bridge Mono mode combines both amplifier channels to create a mono amplifier. Input signal applied to
channel 1 will be available across the positive terminals of Channel 1 and channel 2. Do not connect a signal
to the channel 2 input. Do not connect speaker cables to the negative outputs.
7. INPUT SENSITIVITY SWITCH
The input sensitivity may be reduced by either -6dB or -12dB as needed to reduce the possibility of excessive
input signal levels overdriving the amplifier.
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