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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
More Information
Manufacturer's CategoryRF Raw Frame Series
Height2.71 in / 68.83 mm
Shipping Weight3.7 lbs / 1.68 kg
Carton Height4 in / 101.6 mm
Carton Length10.25 in / 260.35 mm
Carton Width10.25 in / 260.35 mm
CertificationsCE, RoHS
Enclosure PropertiesABS Glass Fiber Reinforced, Injection Molded
Optional AccessoriesBlack Grille (GRL-RF41-BK)|White Grille (GRL-RF41-WH)
Source InputsMetal Push Binding Posts
Backcan Diameter8.26 in / 209.8 mm
Backcan Height2.46 in / 62.5 mm
Coverage Angle (-6dB @ 2kHz) 53°
Cutout Width/Diameter7.56 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 Coil0.79 in / 20 mm
Magnetically BoostedNo
Max. Continuous Power RMS20W
Max. Program Power40 W
Minimum Impedance (Ω Ohms)6.6 Ω
Nominal Impedance (Ω Ohms)8 Ω
Sensitivity dB @ 1W/1M88.5 dB
Sensitivity dB @ 2.83V/1M88.5 dB
Tap SelectorRotary Switch
Transformer Options25 / 70.7 / 100 V, 8 Ohm direct
Transformer Taps (25V/70.0V/100V)2.5W/20W/20W
Visible Diameter12.6 in / 320 mm
Visible Height0.25 in / 6.4 mm
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