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General| Type | Active speaker |
|---|---|
| Amplifier | Class D |
| Power Consumption Standby | 0.5 W |
| Woofer | 4" |
| Tweeter | 1 inch |
| Connectivity | Bluetooth, RCA, 3.5mm AUX |
| Crossover Frequency | 2.5 kHz |
Details the regulated and unregulated voltage supplies for the amplifier.
Explains the circuit that automatically turns the unit on and off based on audio signals.
Describes the protection mechanism against driver damage due to overload.
Covers how audio signals enter and are initially processed before splitting.
Details the signal path for bass frequencies and crossover filtering.
Explains the specialized amplifier circuit for enhanced bass response.
Describes the signal processing for midrange and treble frequencies.
Focuses on the output stage of the amplifier responsible for driving woofers.
Describes the amplifier circuit dedicated to midrange and tweeter drivers.
Procedure for readjusting bias current after replacing output transistors.
Procedure for readjusting negative output resistance after woofer or sensor replacement.
Provides the main circuit schematic for the A4-14 model.
Shows the physical placement of components on the PCB for A4-14.
Provides the circuit schematic for the A4-14 Mk2 model.
Shows the physical placement of components on the PCB for A4-14 Mk2.
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