Control 47HC ផ្តល់នូវលំនាំគ្របដណ្តប់តូចចង្អៀត 75° ដែលល្អឥតខ្ចោះសម្រាប់ការប្រើប្រាស់ក្នុងលំហដែលមានសម្លេងរំលោះខ្លាំងនិងការប្រើប្រាស់ពិដាននៃរបងលើ។ លំនាំដែលផ្តោតនេះជួយបង្កាត់សម្លេងដែលឆ្លុះបញ្ចាំងចេញពីផ្ទៃបន្ទប់ ក៏ដូចជាភាពមិនប្រក្រតិតក្រតនៃពេលលាតត្របាង ពីលទ្ធផលលទ្ធផលដែលបង្កើតលក្ខណៈសម្បត្តិល្អប្រសើរនៃការយល់ដឹងនៃសុន្ទរកថា។ Control 47HC មានលក្ខណៈសម្លេងដូចគ្នាទៅនឹង Control 47C/T ហើយល្អសម្រាប់មជ្ឈមណ្ឌលដឹកជញ្ជូនដ៏រីក្រោយ ឬលំហកិច្ចប្រឹក្សាយោលធំៗ។
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ប្រសិនបើតំណភ្ជាប់ខាងលើបង្ហាញអក្សរចម្លែកក្នុងកម្មវិធីរុករករបស់អ្នក សូមចុចខាងស្តាំលើឯកសារដើម្បីរក្សាទុកទៅកុំព្យូទ័ររបស់អ្នក។
| Frequency Range | 55 Hz - 17 kHz |
| Power Rating | IEC System Long-Term Ratings (low-Z direct): 150 Watts Continuous Program Power 75 Watts Continuous Pink Noise (300W peak), 100 hrs |
| Sensitivity | 93 dB (1kHz - 16 kHz) |
| Transformer Taps | 60 W, 30 W, 15 W, (& 7.5 W @ 70 V), plus transformer bypass |
| Coverage Angle | 75° conical, constant directivity |
| Impedance | 8 ohms (in bypass mode) |
| Drivers | LF Driver: 165 mm (6.5 in) HF Driver: 25 mm (1 in) |
| Input Connectors | Two removeable locking 2-pin connectors with screwdown terminals. |
| Included Accessories | C-rings, tile rails, paint shield, cutout template, Grille |
| Suspension Tabs | Three, on top panel |
| Dimensions (Diameter x Depth) | 332mm Diameter x 351mm Diameter Depth (13.1 in x 13.8 in) |
| Maximum SPL (1m) | 112 dB (low-impedance, 118 dB peak) 111 dB (top 70V/100V tap) |
| Color | White |
| Safety Agency | Suitable for use in air handling spaces per UL1480, UL2043, NFPA90 & NFPA 70. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849. |
| Backcan | formed steel (included "blind-mount") |
| Baffle/Rim | ABS baffle with UL94-V0 flame class fire rating. |
| Ceiling Cutout Size | 307 mm Diameter (12.1 in) diameter (cardboard cutout template included) |
| Optional Accessories | MTC-19NC New Construction Bracket MTC-19MR Mud Ring Construction Bracket |
| Plenum Usage | Yes, backcan included |
MTC-48TRx12 គឺជាក្រឡាលើលិចបន្ថែមសម្រាប់ការដំឡើងឌីណាមិកលើលិចរបស់ JBL ច្រើនទៀតចូលក្នុង 4 ft ដោយ 4 ft
(1200 x 1200 mm; 48 x 48 inch) ក្រឡាលើលិចក្នុងកម្មវិធីលើលិចព្យួរ។
MTC-48TRx12 Spec Sheet (revB)
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Designing commercial ceiling speaker systems can be challenging. However, ensuring you have the right plan, tools, expertise, and solutions in place can make all the difference in creating the ideal listening experience. To assist integrators, designers, and consultants navigate the process of designing commercial in-ceiling
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Commercial audio designers and consultants have many choices when selecting the right manufacturer, product and solution to fulfill the unique requirements of each client’s particular installed audio application. The JBL Control Contactor Series was developed specifically to target these users with purpose-built ceiling, pendant, in-wall,
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បានធ្វើបច្ចុប្បន្នភាព: មិនា 2026
ការគាំទ្រអ្នកប្រឹក្សា