Driver Size & Design
18″ (460 mm) nominal diameter for strong low-end and mid-bass reproduction.
Heavy paper cone or reinforced materials for durability under high power.
Power Handling & Output
Professional 18″ woofers often handle hundreds to over a thousand watts of RMS power.
Designed for high sound pressure levels (SPL) suited to concerts, events, and PA systems.
Frequency Range
Extended low-frequency response — ideal for deep bass and supportive midrange — typically down to ~30–60 Hz (depending on enclosure design).
Voice Coil & Magnet
Large voice coil (e.g., 3″–4″) for efficient heat dissipation during high power use.
Ferrite or neodymium magnets provide a strong magnetic field for better performance.
Passive Driver
Usually passive (requires external amplifier) unless integrated into a powered speaker cabinet.
Used with crossovers when part of a multi-way speaker system.
“PZ 18-H 74-C” — while specific specs are unavailable — would be similar to other 18″ professional PA speaker drivers designed for high-output sound reinforcement in live audio, DJ systems, halls, stage performances, and large-venue public address applications.
These 18″ drivers are commonly used as the low-frequency/bass driver in PA speaker cabinets — either passive (requiring an external amplifier) or part of 3-way or full-range passive speaker systems.
| MAX POWER | 4800W | ||
| NOMINAL DIAMETER SENSITIVITY
VOICE COIL DIAMETER |
18″
96.0 dB 6″ |
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| MAGNET SIZE | 330 mm | ||
| MAGNET1YPE | FERRITE | ||
| FREQUENCY RANGE
WEIGHT |
52.8 Hz.
25.00 KG |
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