JBL SG520 manuals

Find original and reproduction manuals for the JBL SG520 preamplifier 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 5 listings that name the JBL SG520: 0 likely original, 0 likely copies and 5 unverified.

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JBL SG520 manuals for sale

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Live listings from eBay · updated 2026-10-12 06:49 UTC · labels are automatic guesses, check the listing before buying.

Unverified

JBL SG 520 Cut Sheet January 1965 One Page

$19.95

OtherVery Good

eBay seller ID: vintagebrteenie 100.0%

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Unverified

JBL SG520 Product Literature Plus Equipment Reports 1966

$44.95

BrochureGood

eBay seller ID: vintagebrteenie 100.0%

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Unverified

JBL SG520 Graphic Controller Installation N Operation ( 17 Plus Pages

$69.95

Owner'sVery Good

eBay seller ID: vintagebrteenie 100.0%

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Unverified

JBL Installation Of SG520 & Freestanding Accessory Case ( 3 Sheets

$19.95

OtherGood

eBay seller ID: vintagebrteenie 100.0%

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Unverified

JBL SG520 Circuit Diagram Sept 1966

$29.95

SchematicGood

eBay seller ID: vintagebrteenie 100.0%

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