Heathkit IG-18 manuals

Find original and reproduction manuals for the Heathkit IG-18 currently listed on eBay: service manuals, owner's manuals, schematics, parts lists and brochures. Every listing is sorted into Likely original, Likely copy or Unverified from its title and description, so you can tell a factory original from a reprint before you buy.

Right now there are 3 listings that name the Heathkit IG-18: 2 likely original, 0 likely copies and 1 unverified.

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Heathkit IG-18 manuals for sale

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Live listings from eBay · updated 2026-10-12 06:53 UTC · labels are automatic guesses, check the listing before buying.

Likely original

Heathkit Model IG-18 Sine Square Audio Generator Assembly Manual Original OEM

$19.99

OtherGood

eBay seller ID: chrisjenick 100.0%

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Likely original

Audio Generator Heathkit Manual IG-18 Sine-Square w/ Schematics (original)

$18.00

SchematicLike New

eBay seller ID: hamandhifi 100.0%

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Unverified

Heathkit Model IG-18 Assembly Manual D-2970

$54.95

OtherGood

eBay seller ID: the-vintageaudio-shop 100.0%

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