Concept
Explore Concept vintage audio equipment in the Vintage Technology Archive.
Models
Unknown
- 110SN — The Concept 110SN is a little-documented audio model. No period manuals, specs, or reviews have been found in the Archive's research files.
- IR-2100 — Documentation on the Concept IR-2100 is thin: no brochure text, no service material, and no confirmed production dates survive in the Archive's records.
- M-110SN — Musical Concepts M-110SN (1984–86): a little-documented modification kit for the Hafler DH-110 preamp, sold for $155 as a kit or $230 installed.