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LEDs: 5 x 5 x 5 = 125 LEDs
54 Inches)
Small Parts
Elements of Science
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Velleman K4900 Telephone Amplifier Kit Physics LEDs: 5 x 5 xGeneral Information Manufacturer Velleman Part Number K4900 Product Type Electronic DIY Kit Miscellaneous Skill Level Rookie Required Skills Soldering Batteries Power Supply: 7 9VAC or 9 12VDC 150mA. Not Included Features This telephone amplifier may be used as a free standing amplifier with speaker Can be used to listen to a telephone conversation, or the output may be connected to an amplifier or mixing panel Input: isolation transformer interface,
US$ 101.50
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