Electro-Voice 1823M
Release date unknown
¥ 34,200 (around the late 1970 s)
Commentary
A driver unit for mid-range applications with improved durability and reliability while maintaining the highest performance standards for Hi-Fi applications.
It is used in speaker systems such as the SENTRY III and SENTRY IVB.
A non-metal dome unique to Electrovoice is used for the diaphragm.
Magnetic efficiency is improved by adopting bottom yoke made of sintered steel, and temperature rise is reduced by more than 20 ℃ by cooling fin effect.
Model Rating
| Type | Driver unit |
| Frequency characteristic | 500 Hz ~ 6 kHz ± 5 dB (8 hd Horn) 400 Hz ~ 6 kHz ± 5 dB (HR9040 horn) |
| Maximum allowable input | 60W (long-term average) 600W (peak) |
| Impedance | 8 Ω |
| Output sound pressure level | 105dB/W/m (8 hd horn) |
| Mount Dimensions | 1 3/8inch18 thread screw mount |
| External dimensions | Diameter 104x Depth 87 mm |
| Weight | 2.2kg |