Soundtube RF-41-20-SG-WH - Full-Range 4-Inch Blind Mount Ceiling Speaker (White)
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Description
The RF41-20 is a 4Ó, full-range, blind-mount, inceiling speaker which delivers true high-efficiency and performance across the operating bandwidth. The full-range driver design delivers maximum frequency response (71 Hz - 22 kHz, ±10 dB) in a compact design. Mounting hardware is included and features fast and easy retrofit connections. For easy ordering, stocking, and installation, the RF41-20 includes a five-position tap switch for 25, 70.7, and 100 V applications with a transformer bypass position. Grilles are optional and come in white only.
Features:
- One full-range 4Ó (102 mm) treated fiber woofer with cloth surround.
- Easy-access five-position tap switch for 25/70.7/100 V and transformer bypass position plus spring terminals allow for rapid ordering, stocking, and installation.
- Engineered for installation with limited plenum space or retrofit applications.
- Reduced amplification costs and maximum efficiency with 88.5 dB sensitivity and 8 ½ impedance.
- Superior voice intelligibility with an average coverage angle of 110¡ (2-10 kHz, independently verified).
- Fits standard 8Ó back cans for retrofits.
- High-quality white paint finish grille.
- Optional accessories: white metal grille (AC-GRLRF41) sold only in packs of 4.
| Color | White |
| UPC | 644216200900 |
| Manufacturer | SoundTube |
| Manufacturer's Category | RF Raw Frame Series |
| Height | 2.71 in / 68.83 mm |
| Shipping Weight | 2.15 lbs / 0.98 kg |
| Carton Height | 2 in / 50.8 mm |
| Carton Length | 13.5 in / 342.9 mm |
| Carton Width | 13.5 in / 342.9 mm |
| Certifications | CE, RoHS |
| Enclosure Properties | ABS Glass Fiber Reinforced, Injection Molded |
| Optional Accessories | Black Grille (GRL-RF41-BK)|White Grille (GRL-RF41-WH) |
| Source Inputs | Metal Push Binding Posts |
| TAA Compliant (Trade America) | No |
| BAA Compliant (Made in USA) | No |
| Backcan Diameter | 8.26 in / 209.8 mm |
| Backcan Height | 2.46 in / 62.5 mm |
| Coverage Angle (±6dB @ 2kHz) | 53Á |
| Cutout Width/Diameter | 7.56 in / 192 mm |
| Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) | 4.9 and 4.6 |
| Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) | 5.7dB and 6.6dB |
| Frequency Response (± 10 dB) | 71 Hz - 22 kHz |
| Frequency Response (± 3 dB) | 155 Hz - 22 kHz |
| Grille Properties | Secured with Screws |
| Low Frequency Voice Coil | 0.79 in / 20 mm |
| Max. Continuous Power RMS | 20W |
| Max. Program Power | 40 W |
| Minimum Impedance (_ Ohms) | 6.6 _ |
| Nominal Impedance (_ Ohms) | 8 _ |
| Sensitivity dB @ 1W/1M | 88.5 dB |
| Sensitivity dB @ 2.83V/1M | 88.5 dB |
| Tap Selector | Rotary Switch |
| Transformer Options | 25 / 70.7 / 100 V, 8 Ohm direct |
| Transformer Taps Max. Setting (25V/70.7V/100V) | 2.5W/20W/20W |
| Visible Diameter | 12.6 in / 320 mm |
| Visible Height | 0.25 in / 6.4 mm |
The RF41-20 is a 4Ó, full-range, blind-mount, inceiling speaker which delivers true high-efficiency and performance across the operating bandwidth. The full-range driver design delivers maximum frequency response (71 Hz - 22 kHz, ±10 dB) in a compact design. Mounting hardware is included and features fast and easy retrofit connections. For easy ordering, stocking, and installation, the RF41-20 includes a five-position tap switch for 25, 70.7, and 100 V applications with a transformer bypass position. Grilles are optional and come in white only.
Features:
- One full-range 4Ó (102 mm) treated fiber woofer with cloth surround.
- Easy-access five-position tap switch for 25/70.7/100 V and transformer bypass position plus spring terminals allow for rapid ordering, stocking, and installation.
- Engineered for installation with limited plenum space or retrofit applications.
- Reduced amplification costs and maximum efficiency with 88.5 dB sensitivity and 8 ½ impedance.
- Superior voice intelligibility with an average coverage angle of 110¡ (2-10 kHz, independently verified).
- Fits standard 8Ó back cans for retrofits.
- High-quality white paint finish grille.
- Optional accessories: white metal grille (AC-GRLRF41) sold only in packs of 4.
| Color | White |
| UPC | 644216200900 |
| Manufacturer | SoundTube |
| Manufacturer's Category | RF Raw Frame Series |
| Height | 2.71 in / 68.83 mm |
| Shipping Weight | 2.15 lbs / 0.98 kg |
| Carton Height | 2 in / 50.8 mm |
| Carton Length | 13.5 in / 342.9 mm |
| Carton Width | 13.5 in / 342.9 mm |
| Certifications | CE, RoHS |
| Enclosure Properties | ABS Glass Fiber Reinforced, Injection Molded |
| Optional Accessories | Black Grille (GRL-RF41-BK)|White Grille (GRL-RF41-WH) |
| Source Inputs | Metal Push Binding Posts |
| TAA Compliant (Trade America) | No |
| BAA Compliant (Made in USA) | No |
| Backcan Diameter | 8.26 in / 209.8 mm |
| Backcan Height | 2.46 in / 62.5 mm |
| Coverage Angle (±6dB @ 2kHz) | 53Á |
| Cutout Width/Diameter | 7.56 in / 192 mm |
| Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) | 4.9 and 4.6 |
| Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) | 5.7dB and 6.6dB |
| Frequency Response (± 10 dB) | 71 Hz - 22 kHz |
| Frequency Response (± 3 dB) | 155 Hz - 22 kHz |
| Grille Properties | Secured with Screws |
| Low Frequency Voice Coil | 0.79 in / 20 mm |
| Max. Continuous Power RMS | 20W |
| Max. Program Power | 40 W |
| Minimum Impedance (_ Ohms) | 6.6 _ |
| Nominal Impedance (_ Ohms) | 8 _ |
| Sensitivity dB @ 1W/1M | 88.5 dB |
| Sensitivity dB @ 2.83V/1M | 88.5 dB |
| Tap Selector | Rotary Switch |
| Transformer Options | 25 / 70.7 / 100 V, 8 Ohm direct |
| Transformer Taps Max. Setting (25V/70.7V/100V) | 2.5W/20W/20W |
| Visible Diameter | 12.6 in / 320 mm |
| Visible Height | 0.25 in / 6.4 mm |
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