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1 Watt Audio Stereo Amplifier Kit

EBST-11: ELECTRONIC RAINBOW View Larger Image
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ELECTRONIC RAINBOW
Jameco Part no. 662670
Manufacturer ELECTRONIC RAINBOW
Manufacturer no. EBST-11
Catalog 151 , page 150
Pricing & Availability

$11.95

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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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