Wavecor PR178WA01 7″ alu cone passive radiator
Overview:
PR178WA01 is a passive unit designed for dedicated subwoofer applications – as a partner to our active subwoofer units. Due to low mechanical losses PR178WA01 masters equally well low level details and extreme dynamic requirements.
For demanding subwoofer applications using a passive unit is usually the only real alternative to sealed enclosures with active bass boost.To make experimenting and individual tuning convenient and easy, the PR178WA01 is delivered with three separate extra loads that are easily applied onto a threaded rod on the rear side of the cone (see picture below)
Features:
- Extremely rigid aluminium cone for precise transient response
- Very low mechanical losses
- Rear M6 threaded rod for trouble-free and rigid addition of extra mass
- Delivered with three separate mass loads for easy custom tuning
Nominal Specifications:
Nominal size | 7 | [inch.] | |
Effective radiating area, Sd | 131 | [sq.cm] | |
Resonance freq., Fs, without additional mass | 26 | [Hz] [Hz] [Hz] [Hz] [Hz] [Hz] [Hz] [Hz] | |
Moving mass, incl. air, without extra weight | 50 | [g] | |
Suspension compliance, Cms | 0.70 | [mm/N] | |
Equiv. air volume, Vas | 17 | [lit.] | |
Mechanical Q, Qm, without additional mass | 24 | – | |
Total unit net weight (incl. 3 extra weights) | 0.25 | [kg] |
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