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Component Amplifiers

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Sumas SMH-3010 Bionic Ear Listening Device w/Headphones - Pick Up Sounds as Far Away as 150'!

Sumas SMH-3010 Bionic Ear Listening Device w/Headphones - Pick Up Sounds as Far Away as 150'!

Simply point this Sumas SMH-3010 Bionic Ear Listening Device and take aim with the built-in scope and pull the trigger to capture audio within the impressive range of 150-feet! Use the adjustment knob to focus the scope on your subject and the parabolic dish picks up the sound. The volume knob allows you to adjust the volume and minimize any background noise. Included with this Sumas SMH-3010...

Power Supply DIY Kit For Antique Radios, Amplifiers, Etc

Power Supply DIY Kit For Antique Radios, Amplifiers, Etc

Power supply kit for multiple power supplies. Kit includes transformer, rectifiers, capacitors, resistors, transistors, I.C. regulator, white pine board and all necessary hardware . Easy to follow instructions for assembly. 3.0 lbs. Input: 120V, 60 Hz. "A" Output - Adjustable and regulated 1.5 to 7.5 volts, 1.5 Amps. "B" Output - 22, 45, 67, 90, and 135 volts regulated up to...

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