كيف تختار رأسًا متحركًا من نوع Beam للجولات والنوادي (دليل المشتري 2026)
المصباح أم LED، زاوية الشعاع، المنشورات، البروتوكولات وصناديق النقل — ما يجب على المشترين المحترفين مقارنته قبل الطلب بالجملة.
Beam moving heads are the backbone of modern concert and club rigs. When you import them in volume, small spec differences turn into big differences in show quality, failure rates and margins. Here is a practical checklist.
1. Light source: discharge lamp vs. LED
14R/17R/20R discharge lamps deliver the punchy, ultra-narrow beams buyers expect, but lamps need replacement. High-power white LED beams avoid lamp costs and warm-up time. Ask for lamp life and the replacement price per lamp.
2. Beam angle and optics
Look for 0–2° for aerial effects. Check prism count (8-facet, 16-facet, linear), frost and focus range. Request lux at 10 m and 20 m.
3. Control protocols
DMX512 and RDM are standard. Art-Net and sACN make large rigs easier. Confirm grandMA2/MA3 fixture library availability.
Quick comparison
| Model class | Beam angle | Typical use |
|---|---|---|
| Compact 14R 295W | 1.8° | Clubs, mid-size stages |
| 380W sharpy | 0–2° | Festivals, arenas |
| 350W hybrid BSW | 2–40° | Rental fleets |
4. Packing and logistics
Ask for 2-in-1 or 4-in-1 flight case options and drop-tested cartons for sea freight.
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