MSE Audio
Induction Dynamics
Phase Technology
Rockustics
SolidDrive
Soundsphere
SoundTube
Darts
TheaterSound
RF-41-20-SO
This item has been discontinued. Limited stock available.
SoundTube 4" Full range, Blind-Mount Ceiling Speaker Without Grille
SoundTube RF-41-20-SO Ceiling Speaker
The RF41-20 is a 4-inch, full range, blind-mount, in-ceiling speaker which delivers true high-efficiency and performance across the operating bandwidth. The full-range drive design deliveres maximun 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-volt applications with a transformer bypass position. Grilles are optional and come in white only.
Owner's Manual | Tech Sheet | Drawing Side | Drawing Top | A&E Specs | DXF | PDF Drawing
About SoundTube| Color | White |
|---|---|
| UPC | 644216201006 |
| Manufacturer | SoundTube |
| Manufacturer's Category | RF Raw Frame Series |
| Height | 2.71 in / 68.83 mm |
| Shipping Weight | 3.7 lbs / 1.68 kg |
| Carton Height | 4 in / 101.6 mm |
| Carton Length | 10.25 in / 260.35 mm |
| Carton Width | 10.25 in / 260.35 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) | 53° |
| 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 |
| Low Frequency Voice Coil | 0.79 in / 20 mm |
| Max. Continuous Power RMS | 20W |
| Max. Program Power | 40 W |
| Minimum Impedance (Ω Ohms) | 6.6 Ω |
| Nominal Impedance (Ω Ohms) | 8 Ω |
| 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 |
