Heathkit AA-181

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The Heathkit AA-181 is a kit for building a high-frequency (HF) transmitter that operates in the 160, 80, 40, 30, 20, 17, and 12 meter amateur radio bands. It is a popular choice among amateur radio operators due to its high power output of up to 150 watts and its advanced modulation functions, such as double sideband suppressed carrier (DSBSC), single sideband (SSB), and AM. The kit includes all the necessary components, including circuit boards, connectors, and transformers, and requires assembly following detailed instructions provided by Heathkit. Once assembled, the AA-181 can be used to transmit voice, Morse code, and digital signals over long distances using high-frequency radio waves.

Power Output: 25W (stereo)
Frequency Response: 30Hz to 15kHz
Distortion: 2%
Damping Factor: 9
Speaker Impedance: 4 to 16Ω
Input Sensitivity: 9mV (mic), 5mV (mm), 200mV (line), 120mV (cer)
Signal to Noise Ratio: 60dB (mic), 53dB (mm), 60dB (line), 55dB (cer)
Line Output:
Dimensions: 13-1/2 x 4-15/16 x 9-1/2"
Weight: 18 lb
Year: 1961
Price: