JH-500 Series
1977 – 1985
Notable users
American + Japanese commercial studios early 1980s, Sony/MCI era flagship for mid-tier facilities
Technical specs
| Channels | 24 – 56 |
| Layout | Split / In-line |
| Groups | 16 |
| EQ | 3-band + Vari-Q parametric option |
| Era | ~1980 – 1985 (Sony/MCI era after corporate acquisition) |
| Variant | JH-500D — definitive version (24-track assign, odd-even pan, VCA grouping) |
| EQ option | Vari-Q parametric (over standard 3-band) |
| Metering | Optional plasma display |
Improved automation
Clean headroom
Expanded routing
Sony/MCI era
Plasma Display metering option
The JH-500 expanded on the JH-400's formula with improved automation, a larger channel count (up to 56 channels), and optional Vari-Q parametric EQ and Plasma Display metering. Now a Sony/MCI product following corporate acquisition, it positioned MCI to compete directly with SSL's growing dominance. The JH-500D was the definitive variant, with 24-track assignment, odd-even panning, and VCA grouping.
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Notable Recordings
- Tom Petty — Damn the Torpedoes (some sessions)
- Various major American productions
Studios
- Criteria Studios, Miami
- Muscle Shoals Sound Studio, Alabama