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ياماها VC-4NW سماعات سقف - ابيض
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توفر مكبرات الصوت في السقف من سلسلة VC للتركيبات التجارية جودة صوت ممتازة بسعر محجوز تقليديًا لمكبرات الصوت الاقتصادية. ما مجموعه ستة موديلات ، ثلاثة منها بها علب خلفية وثلاثة بدونها ، تتميز بتصميمات أنيقة منخفضة المظهر يمكن تثبيتها بسهولة حتى في مساحات محدودة من السقف أو الجدار. تضمن مشابك التثبيت الكبيرة ذات الأسطح غير القابلة للانزلاق التثبيت الآمن. تم هندستها للحصول على أفضل BGM واستنساخ صوتي يسمح التصميم الجانبي المنخفض بالتركيب في مساحات سقف محدودة دعم مباشر للوصلات منخفضة المقاومة أو عالية المقاومة يعد 16Ω في المعاوقة المنخفضة مفيدًا عند توصيل مكبرات صوت متعددة في نظام مقاومة منخفضة يزيد شريط الحمل المدمج من السلامة أثناء التثبيت مسامير ملولبة للسماعات ذات الخيوط المزدوجة للتشديد السريع شبكات قابلة للطلاء مع ماسك مغناطيسي تتوفر إصدارات بالأبيض والأسود 2.1 كجم (4.6 أرطال) ، Ø225 × D95 مم (Ø8-7 / 8 × D3-3 / 4 بوصة) حزمة وحدة واحدة
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| Speaker type | 2way Coaxial type, Acoustic Suspension | 2way Coaxial type, Acoustic Suspension | 2way Coaxial type, Acoustic Suspension | 2way Coaxial type (without backcan) | 2way Coaxial type (without backcan) | 2way Coaxial type (without backcan) | |
| Frequency range (-10dB) | 96 Hz - 20 kHz (Half-space: 2π) | 104 Hz – 20 kHz (Half-space: 2π) | 121 Hz – 20 kHz (Half-space: 2π) | 52 Hz - 20 kHz (Half-space: 2π) | 63 Hz – 20 kHz (Half-space: 2π) | 85 Hz – 20 kHz (Half-space: 2π) | |
| Nominal coverage | 110° conical (Half-space: 2π) | 120° conical (Half-space: 2π) | 160° conical (Half-space: 2π) | 110° conical (Half-space: 2π) | 120° conical (Half-space: 2π) | 160° conical (Half-space: 2π) | |
| Components | LF | 8” Cone | 6.5” Cone | 4” Cone | 8” Cone | 6.5” Cone | 4” Cone |
| HF | 1" Soft dome | 0.8" Soft dome | 0.8" Film dome | 1" Soft dome | 0.8" Soft dome | 0.8" Film dome | |
| Power rating | NOISE | 25 W | 25 W | 15 W | 25 W | 25 W | 15 W |
| PGM | 50 W | 50 W | 30 W | 50 W | 50 W | 30 W | |
| PEAK | 100 W | 100 W | 60 W | 100 W | 100 W | 60 W | |
| Nominal impedance | 16 Ω | 16 Ω | 16 Ω | 16 Ω | 16 Ω | 16 Ω | |
| Transformer taps | 100V | 12 W, 6 W, 3 W | 12 W, 6 W, 3 W | 6 W, 3 W, 1.5 W | 12 W, 6 W, 3 W | 12 W, 6 W, 3 W | 6 W, 3 W, 1.5 W |
| 70V | 12 W, 6 W, 3 W, 1.5 W | 12 W, 6 W, 3 W, 1.5 W | 6 W, 3 W, 1.5 W, 0.8 W | 12 W, 6 W, 3 W, 1.5 W | 12 W, 6 W, 3 W, 1.5 W | 6 W, 3W, 1.5 W, 0.8 W | |
| SPL | Sensitivity (1W; 1m on axis) | 91 dB SPL (Half-space 2π) | 89 dB SPL (Half-space:2π) | 88 dB SPL (Half-space:2π) | 91 dB SPL (Half-space 2π) | 89 dB SPL (Half-space: 2π) | 88 dB SPL (Half-space: 2π) |
| Peak (Calculated) | 111 dB SPL (Calculated, 1 m) | 109 dB SPL (Calculated, 1 m) | 106 dB SPL (Calculated, 1 m) | 111 dB SPL (Calculated, 1 m) | 109 dB SPL (Calculated, 1 m) | 106 dB SPL (Calculated, 1 m) | |
| I/O connectors | Euroblock (4 pin) ×1 (input: +/ - , loop - thru: +/ - ), Wire size : Min. AWG24 (0.2 sq), Max. AWG12 (3.5 sq) | Euroblock (4 pin) ×1 (input: +/ - , loop - thru: +/ - ), Wire size : Min. AWG24 (0.2 sq), Max. AWG12 (3.5 sq) | Euroblock (4 pin) ×1 (input: +/ - , loop - thru: +/ - ), Wire size : Min. AWG24 (0.2 sq), Max. AWG12 (3.5 sq) | Push terminal (WAGO 294 /2 pin) × 1, Wire size : Solid conductor Min. AWG18 (0.75 sq) / Max. AWG12 (3.5 sq), Standard conductor Min. AWG18 (0.75 sq) / Max. AWG14 (2 sq) | Push terminal (WAGO 294 /2 pin) × 1, Wire size : Solid conductor Min. AWG18 (0.75 sq) / Max. AWG12 (3.5 sq), Standard conductor Min. AWG18 (0.75 sq) / Max. AWG14 (2 sq) | Push terminal (WAGO 294 /2 pin) × 1, Wire size : Solid conductor Min. AWG18 (0.75 sq) / Max. AWG12 (3.5 sq), Standard conductor Min. AWG18 (0.75 sq) / Max. AWG14 (2 sq) | |
| Protection circuit | Load protection | Full-range power limiting to protect network and transducers | Full-range power limiting to protect network and transducers | Full-range power limiting to protect network and transducers | Full-range power limiting to protect network and transducers | Full-range power limiting to protect network and transducers | Full-range power limiting to protect network and transducers |
| Finish | VC8B: Black (approx. Munsell N3), VC8W: White (approx. Munsell N9.3) | VC6B: Black (approx. Munsell N3), VC6W: White (approx. Munsell N9.3) | VC4B: Black (approx. Munsell N3), VC4W: White (approx. Munsell N9.3) | VC8NB: Black (approx. Munsell N3), VC8NW: White (approx. Munsell N9.3) | VC6NB: Black (approx. Munsell N3), VC6NW: White (approx. Munsell N9.3) | VC4NB: Black (approx. Munsell N3), VC4NW: White (approx. Munsell N9.3) | |
| Dimensions | Diameter | 325 mm (12 - 3/4") | 286 mm (11 - 2/8") | 225 mm (8 - 7/8") | 325 mm (12 - 3/4") | 286 mm (11 - 2/8") | 225 mm (8 - 7/8") |
| D | 122 mm (4 - 6/8") | 106 mm (4 - 1/8") | 95 mm (3 - 3/4") | 131 mm (5 - 1/8") | 114 mm (4 - 4/8") | 103 mm (4 - 1/16") | |
| Net weight | 4.2 kg (9.3 lbs) | 3.3 kg (7.3 lbs) | 2.1 kg (4.6 lbs) | 2.8 kg (6.2 lbs) | 2.3 kg (5.1 lbs) | 1.4 kg (3.1 lbs) | |
| Cutout size | Ø285 mm (Ø11 - 1/4") | Ø247 mm (Ø9 - 3/4") | Ø186 mm (Ø7 - 5/16") | Ø285 mm (Ø11 - 1/4") | Ø247 mm (Ø9 - 3/4") | Ø186 mm (Ø7 - 5/16") | |
| Required ceiling board thickness | 2 mm – 37 mm | 2 mm – 37 mm | 2 mm – 37 mm | 2 mm – 37 mm | 2 mm – 37 mm | 2 mm – 37 mm | |
| Accessories | C-Ring, Tile Rails x 2, Grille, Safety wire, Cutout template, Owner's Manual | C-Ring, Tile Rails x 2, Grille, Safety wire, Cutout template, Owner's Manual | Grille, Safety wire, Cutout template, Owner's Manual | C-Ring, Tile Rails x 2, Grille, Safety wire, Cutout template, Owner's Manual | C-Ring, Tile Rails x 2, Grille, Safety wire, Cutout template, Owner's Manual | Grille, Safety wire, Cutout template, Owner's Manual | |
| Packaging | Single package | Single package | Single package | Single package | Single package | Single package | |
| Certificate | UL1480A, UL2043, NFPA70, CE, RoHS | UL1480A, UL2043, NFPA70, CE, RoHS | UL1480A, UL2043, NFPA70, CE, RoHS | CE, RoHS | CE, RoHS | CE, RoHS | |
| Options | - | - | AB-C2: C-ring + Tile Rail kit | - | - | AB-C2: C-ring + Tile Rail kit | |