Alfatron 457 2-way 4" ceiling speaker comes in white with a magnetic grille (L. Speaker, powder-coated iron mesh) and 4" woofer component (H. Speaker, 3/4" Silk).
Alfatron Electronics ALFC-457 Features
- 2 way 4” loudspeaker with back box and aim-able tweeter
- Magnetic grille
- 40W 8Ω, 20/10/5/2.5W @ 70V/100V
- 90-20,000Hz
- 87dB 1W 1M
- ALFC-457 2-way 4" ceiling speaker1
- Frequency Response90Hz - 20,000Hz
- Sensitivity (1M/1W)87 dB
- Power Taps20W / 10W / 2.5W / 5W; 8Ω : 40W
- Rated Power20W, 8Ω: 40W
- Line Input100V / 70V; 8Ω
- Hole for MountingØ 7.09"
- DimensionsØ 8.03" diameter x 5.39"
- Physical
- Panel Material: ABS White RAL 9016
- Grille: powder coated iron mesh component (L. Speaker): 4” (PCK + PF) Woofer Component (H. Speaker): 3/4 ” Silk
- Woofer Speaker
- Voice Coil Size: Ø 25.8 x 0.17 2 Layer
- DC Impedance: 7 Ω
- Former: KSV
- Magnet: ferrite
- Ø 90 x Ø32 x 15 (Y30)
- Basket: iron
- Cone Material: PCK + PF
- Spider: conex
