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Heathkit Audio Oscillator model AO-1 | Mike 's Shop | …

    https://reverb.com/item/48455795-heathkit-audio-oscillator-model-ao-1
    Heathkit Audio Oscillator model AO-1. Used – Very Good. $120. $55. $65 price drop. + $25 Shipping. As low as $5/month with. Learn more.

Heathkit AO 1 Audio Oscillator (schematic) : Free …

    https://archive.org/details/HeathkitAO1AudioOscillatorschematic
    Heathkit AO 1 Audio Oscillator (schematic) Item Preview remove-circle Share or Embed This Item. Share to Twitter. Share to Facebook. Share to Reddit. Share to Tumblr. Share to Pinterest. Share via email.

Audio Oscillator AO-1 Equipment Heathkit Brand, Heath Co.; B

    https://www.radiomuseum.org/r/heath_audio_oscillator_ao_1_ao1.html
    Model: Audio Oscillator AO-1 - Heathkit Brand, Heath Co.; Material. Metal case. Shape. Tablemodel, with any shape - general. Dimensions (WHD) 13.25 x 7.5 x 7.5 inch / 337 x 191 x 191 mm. Price in first year of sale.

Heathkit AO-1 Audio Oscillator w DC Offset Switch, Probe ...

    https://reverb.com/item/38255614-heathkit-ao-1-audio-oscillator-w-dc-offset-switch-probe-manual-serviced-tested-calibrated
    This Heathkit AO-1 Audio Oscillator with a DC Offset Switch has been serviced, tested and calibrated by Steve McKinley of Atlanta Tube Amp and it's ready to go! It comes with a probe, spec sheet and schematic. As part of its service, the power supply multi-capacitor can has been replaced/upgraded as well as the coupling capacitors.

Heathkit Ao-1 Audio Oscillator Sine Square Wave Radio

    https://vintaelec.com/ao-1
    Ad-1706 Heathkit Active Audio Processor (58.7% similar) We can discuss local pickup if within around 30 miles of my location. Up for offer is my Heathkit ad-1706 active audio processor. The unit works and sounds great. Shipping for the unit in lower 48 states should be around 50, this includes insurance.

Shop | heathkit.com

    https://heathkit.com/
    Explorer Jr™: TRF AM radio receiver (no-solder kit) - black case - GR-150-BK. $ 149.95. 149.95 USD. Sale. VHF/UHF stealth antenna kit - Amateur Radio 2m/440 - AN-P2L Pipetenna™. $ 149.95. 149.95 USD. Sale. Heathkit Most Reliable Clock™ T-shirt - XT-2017-1.

Antique Radio Forums • View topic - Heathkit AO-1 Audio ...

    https://www.antiqueradios.com/forums/viewtopic.php?t=155228
    Audio generators used variable caps like this because they provided a totally noiseless and infinite variable frequency that you can't get, especially with a wirewound pot (wirewounds were required to maintain dial calibration from one pot to the next). Hewlett-Packard used the air variables in their audio oscillators.

HEATHKIT AO-1 AUDIO OSCILLATOR SM Service Manual …

    https://elektrotanya.com/heathkit_ao-1_audio_oscillator_sm.pdf/download.html
    Download HEATHKIT AO-1 AUDIO OSCILLATOR SM service manual & repair info for electronics experts. Service manuals, schematics, eproms for electrical technicians. This site helps you to save the Earth from electronic waste! Thank You! HEATHKIT AO-1 AUDIO OSCILLATOR SM. Type: (PDF) Size 900.9 KB. Page 2.

Vintage Heathkit Audio Oscillator | eBay

    https://www.ebay.com/itm/294137610402
    Condition is used. This item is UNTESTED and therefore sold as is / as found / for parts / for repair. Relatively clean item.

Heathkit HD-1416 Code Practice Oscillator

    https://people.ohio.edu/postr/bapix/HD-1416.htm
    The first Heathkit transistorized model CO-1 used that circuit. My first code oscillator kit, an Allied Radio Knight-kit, also used the tapped audio transformer and the famous CK-722 germanium transistor. I remember rigging the oscillator as a …

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