ALFATRON ALFC-457

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Description

ALFATRON ALFC-457

2 way 4” loudspeaker with back box and aim-able tweeter. Magnetic Grill. 40W 8Ω, 20/10/5/2.5W @ 70V/100V, 90-20,000Hz, 87dB 1W 1M. Dimensions (L x H): 204mm x 137mm, mounting hole 180mm diameter. White

 

Specifications

General Specifications 

Type: ALFC-457 

Frequency response: 90 ~ 20KHz 

Sensitivity (1M/1W): 87dB 

Power Taps: 20W / 10W / 2.5W / 5W; 8Ω : 40W 

Rated Power: 20W, 8Ω: 40W 

Line input: 100V / 70V;  

Hole for Mounting: Ø 180 (Diameter) 

Dimensions (mm): Ø 204 (Diameter) x 137mm 

 

Physical Specifications 

 

Material (Panel): ABS White RAL 9016 

Grill: Powder coated Iron Mesh Component (L. Speaker): 4” (PCK + PF) Woofer Component (H. Speaker): 3/4 Silk 

Finished colour: White RAL 9016 

Unit Weight: 2.1kg 

Gross Weight: 13.5kg / 4 pcs 

Packing dimensions: 58 x 55 x 28cm 

 

Woofer Speaker Specifications 

 

Voice Coil Size: Ø 25.8 x 0.17 2 Layer 

DC Impedance:  

Former: KSV 

Magnet: Ferrite ( 416g) 

Ø 90 x Ø32 x 15 (Y30) 

Basket: Iron 

Cone Material: PCK + PF 

Spider: Conex 

Net Weight: 795 g 

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