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AA-191 Mono Combination Amplifier


  • Three controls-bass, treble, volume
  • Two separate inputs
  • 3-watt power output
  • New styling features
  • Perfect for "starter" systems

Here's your way to an economical music system--the handsome new Heathkit AA-191, Economy 3-watt Combination Monophonic Amplifier kit. The attractive new styling of this amplifier features a soft-black cabinet with an ivory highlighted control area. Like its predecessor, the world-known Heathkit EA-1, this little giant is perfect for the high fidelity "beginner" or for powering a second system around your home.

The AA-191 may also be used effectively as an additional power source for a radio or TV set to increase the fidelity and power of these units.

With the addition of an economical Heathkit program source (tuner, crystal phono, tape recorder, etc.) the AA-191 becomes the "heart" of an "economy" music system. It has a built-in preamplifier which provides all the necessary tone and volume controls for excellent reproduction of your favorite musical selections. Two inputs accommodate tuner or tape recorder and crystal or ceramic cartridge record player. Outputs are provided for 4, 8 and 16 ohm speakers.

SPECIFICATIONS—Power output: 3 watts Heath Utility Rated. Power response: ± 1 db, 60 cps to 15,000 cps at 3 watts output. Harmonic distortion: Less than 3% 60-15,000 cps at 3 watts output. Intermodulation distortion: Less than 3% at 3 watts output, 60 and 6,000 cps signal mixed 4:1. Hum and noise:70 db below 3 watts. Input sensitivity: 0.15 v for 3 watts output, crystal phono and tuner. Outputs: 4, 8 and 16 ohms. Controls: bass, treble, volume, input selector switch, on-off switch. Tube complement: 1-EF86, 1-EL84/6BQ5, 1-6X4. Power requirements: 117 v. 60 cycles, 49 watts. Color and finish: Satin black, ivory face panel. Shipping Weight: 7 lbs.

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