DAPAudio DSA-250 User Manual - Page 12

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Bridged Mono Mode

Bridged Mono Mode straps both amplifier channels together to make a very powerful, single-channel

monaural amplifier. One channel "pushes" and the other "pulls" equally, doubling the power over that of

channel alone. Signal is applied to the Channel A input only. Both attenuators are used to control signal

level; in addition, both must be adjusted to the same setting. Only channel A input may be

used.

Use extreme caution when operating the amplifier In Bridged Mono Mode. Never ground either side of

the speaker cable when the amplifier Is in Bridged Mono Mode; both sides are "hot. "If an output patch

panel is used, all connections must be Isolated from each other and from the

panel.

Fig. 6

Important!!!

Absolute minimum nominal load Impedance for bridge operation is 4 Ohm.

Connecting amplifier outputs to oscilloscopes or other test equipment while the

amplifier is in bridged mode may damage both the amplifier and test equipment!