The Champion Audio Amplifier Kit with Pre-Amplifier
The Champion Audio Amplifier Kit with Pre-Amplifier
- CAT.NO: KC5519
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$29.90
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The Champion Audio Amplifier Kit with Pre-Amplifier
$29.90
The Champion Audio Amplifier Kit with Pre-Amplifier
Refer: Silicon Chip Magazine January 2013
It uses the AN7511 audio IC to deliver 2W music power into 8 ohms from a 9 to 12V supply. Features low distortion, two inputs (mixed 1:1), over-temperature protection (auto-limiting), Mute and standby control. Pre-amplifier is also suitable for microphones and electric guitars, and can be separated from the amplifier for individual use. Kit supplied with silk-screened PCB, heatsink and PCB mount components.
Features:
• Operating voltage range: 4 - 13.5VDC
• Music power: 3W @ 9 - 12V
• Frequency Response: -2.5dB @ 20Hz, -0.2dB @ 20kHz
• Gain: 34dB for Amplifier, up to 58dB with pre-amplifier
• Input Sensitivity for Amplifier only: 52mV RMS @ 5V, 125mV RMS @ 9 - 12V
• Input Sensitivity for Amplifier & Pre-amplifier: 2mV RMS @ 5V, 5mV RMS @ 9 - 12V
• Quiescent current: 2mA (Pre-amplifier) + 30-60mA (Amplifier)
• Standby current: 2mA (Pre-amplifier) + 1-10uA (Amplifier)
Note: Optional 10kohm potentiometer for external volume control use RP-7610
Refer: Silicon Chip Magazine January 2013
It uses the AN7511 audio IC to deliver 2W music power into 8 ohms from a 9 to 12V supply. Features low distortion, two inputs (mixed 1:1), over-temperature protection (auto-limiting), Mute and standby control. Pre-amplifier is also suitable for microphones and electric guitars, and can be separated from the amplifier for individual use. Kit supplied with silk-screened PCB, heatsink and PCB mount components.
Features:
• Operating voltage range: 4 - 13.5VDC
• Music power: 3W @ 9 - 12V
• Frequency Response: -2.5dB @ 20Hz, -0.2dB @ 20kHz
• Gain: 34dB for Amplifier, up to 58dB with pre-amplifier
• Input Sensitivity for Amplifier only: 52mV RMS @ 5V, 125mV RMS @ 9 - 12V
• Input Sensitivity for Amplifier & Pre-amplifier: 2mV RMS @ 5V, 5mV RMS @ 9 - 12V
• Quiescent current: 2mA (Pre-amplifier) + 30-60mA (Amplifier)
• Standby current: 2mA (Pre-amplifier) + 1-10uA (Amplifier)
Note: Optional 10kohm potentiometer for external volume control use RP-7610
Kit
Kit Form
Short Form (circuit only)
Tools required
Soldering Iron
Estimated Construction Time
60 min
Difficulty
Simple
Application Field
Audio Amplifier with Pre-Amplifier
Additional optional items
10kohm potentiometer
PCB Width
41 mm
PCB Length
101 mm
Audio Kit
Signal Input Level
52 mV
Output power
3 W
Audio distortion
0.25 %
Audio frequency range
20 Hz
Audio frequency range
20 kHz
Signal to noise ratio
65 dB
Audio power supply
3W
Audio gain
34 dB
Audio Device
Amplifier
Packaged Dimensions
Packaged Length
20 cm
Packaged Width
7 cm
Packaged Height
3 cm
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