DaytonAudio APA150 사용자 설명서 - 페이지 2

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Thank you for purchasing the Dayton Audio

performance and versatility previously unattainable at this price. Power output is 75 watts x 2 into a stereo 4 ohm load, and

150 watts x 1 into a bridged-mono 8 ohm load.

Versatility was the primary design goal when engineering the APA150. Configured in stereo mode, amplification is

provided to a pair of speakers for stereo or front/rear surround playback. Switching to the bridge-mono mode config-

ures the APA150 for powering a center channel speaker, or a subwoofer/tactile transducer when used with the on-

board low pass filter. Additionally, the full-range line-level outputs allow for daisy chaining amplifiers for a multi-zone

whole house audio system. A small form-factor chassis consumes less space than conventional amplifiers making

placement options virtually endless.

FEATURES:

Key features of the APA150 include high current discrete power transistors (used in premium amp designs), a hefty

toroidal power supply transformer, low-noise forced air cooling, a fully adjustable and defeatable electronic 50-150

Hz low-pass filter, extensive heat sinks to extend the amplifier life, and complete protection against shorting and

thermal overload.

Additional features found on the APA150 include full-range line-level outputs, gold-plated 5-way binding posts that

accept up to 8 AWG wire, gold-plated stereo line-level inputs and outputs, user-selectable input voltage of 120/230V.

CONNECTING THE APA150

Connecting a line-level device

1. Locate the RCA line-level output from your source device.

2. Using RCA patch cables, connect the appropriate channel from the source output to the amplifier input.

3. For a mono line-level signal, use the left channel line-level input.

Daisy-chaining APA150s

1. Connect the line-level input from source device as above.

2. Connect the line-level output from first amplifier to line level input on the second amplifier.

Using the APA150s low-pass filter

1. Ensure Low Pass-Flat switch is set to Low Pass.

2. Connect line-level input from source device.

3. Connect loud speakers as described below.

4. Adjust crossover frequency until desired output is reached.

Connecting your loudspeakers for stereo operation

1. Ensure that the amplifier is powered down.

2. Remove approximately 1/2" of the insulation from your speaker cables' positive and negative conductors.

3. Loosen the speaker binding posts by turning the knobs counter-clockwise, exposing the wire insert hole.

4. Observing polarity, insert the conductors into their appropriate binding posts and tighten the knobs down,

securing the conductors in place.

Connecting your loudspeaker for bridged-mono operation

1. Set the Mono-Stereo switch to Mono position.

2. Remove approximately 1/2" of insulation from your speaker cables' positive and negative conductors.

3. Loosen speaker binding posts by turning the knobs counter-clockwise, exposing the wire insert hole.

4. Connect positive conductor to top left binding post.

5. Connect negative conductor to bottom right binding post.

APA150 Audio Power Amplifier. This amplifier offers a new level of high fidelity

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