Sound Projects Co., Cicero

Name: Sound Projects Co., Cicero
Address: Cicero, IL, USA

Cicero, IL, USA^[1]. Built for 1 brand on record.

Harmony amps; dates unverified. Geolocated 2026-10-15: 2410 S Central Ave, Cicero, from a 1961 listing (community, medium confidence); Nominatim building match; claim C448.

More: every plant in the USA, the Harmony lineage.

Where it is

The point marks Cicero, IL, USA at city level. It shows the town, not the factory gate. Recorded place^[1].

Brands built here

Every headstock this plant has built for, on record. A contract plant can sit behind several brands at once.

Brand	Lines	Years
Harmony	Harmony amps	undated^[2]

Production record

Years	Brand	Line	Role	Source
undated	Harmony	Harmony amps	full build	community^[2]

Where its materials come from

No supply records for this plant yet.

Sources

Every numbered marker on this page points here: the document, its grade and the passages relied on. An era is computed, so it cites the facts it was derived from. A fact marked “no source” has no claim attached yet.

1
Sound Projects Co. (Lectrolab); Chicago / Cicero (IL)graded community
- Lectrolab Products by Sound Projects Company, 2410 S. Central Ave., Cicero 50, Ill. (1961)Sound Projects Co., Cicero, location
2
fandom: wiki/Guild Guitar Companygraded community
- "manufactured by 'Sound Projects Company' of Cicero"Harmony built here

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