1 Watt Audio Stereo Amplifier Kit

$11.95 ea


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# of units Price
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Audio Stereo Amplifier Kit

This kit will teach you how amplifiers take a small signal and amplify it to drive two small speakers or headphones. It is based on two LM386 ICs and one LM1458 IC. The LM386 chip is not a toy, for it is designed to be used in a variety of consumer electronics applications like AM/FM radio amplifiers, portable tape or CD players, intercoms, TV sound systes, and more.

The kit provides up to 1 watt of low-distortion audio power. Harmonic distortion is 0.2% with a voltage gain up to 46dB. You supply the speakers/headset and input power source.

Features:

  • Output Power: 1 Watt
  • Power Requirement: +7 to +15 VDC, well filtered and regulated.
  • PC Board size: 2.25" x 2.75"
NOTE: The 9V battery snap shown in the image above is not included. Input power must be well-filtered and regulated and should be between +7 and +15 VDC, but +9V DC is recommended, especially if you are using this with other kits from Rainbowkits.

Kit Includes:

Part No.
Qty.
Description
R2, R11
2
1K ohm resistor (brown, black, red)
R7, R12
2
10K ohm resistor (brown, black, orange) (use with mic only)
R3, R8
2
51K ohm resistor (green, brown, orange)
R4, R5
2
100K ohm resistor (brown, black, yellow)
R6, R9
2
270 ohm resistor (red, violet, brown)
R1, R10
2
10K or 5K trim pot (horizontal)
C2, C3
2
4.7µF or 10µF capacitor
C7, C8, C11, C12
4
Optional capacitors (see text) (customer supplied)
C1, C4, C6, C9
4
0.1µF capacitor (marked .1 or 104)
C5, C10
2
47µF capacitor
U2, U3
2
LM386 audio output IC
U1
1
LM1458 IC
U1S, U2S, U3S
3
8-pin IC sockets
Pins
12
Connecting terminals
PCB
1
#080-00368A


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Specification Value
Design LevelBeginner Kit


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