Allen · Era
Allen APEX / APEX II.
Specifications
- current Allen line
Dating
No public serial tables exist for Allen — the brand page explains how to date it by era, plate location and component codes.
Related Allen models
- Allen ADC series — 1983–1990
- Allen analog era (vacuum tube / transistor) — 1937–1970
- Allen MDS series — 1990–1998
- Allen MOS / MOS-2 — 1971–1983
- Allen Quantum — 2005–2015
- Allen Renaissance — 1998–2005