Alfatron ALFC-457

Categories: ,

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 165mm, mounting hole 180mm diameter
  • White

 

Specifications

General Specifications 

Type: ALFC-457 

  • Frequency response: 90hz ~ 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 

Download Image

Resources

Brochure

FAQ's

1.Q – Is the speaker low impedance?
   A – Both low and high impedance.

2.Q – What colors do the speakers come in?
   A – White

3.Q – How many watts is the speaker.
   A – 40W at 8 ohm and can be tapped differently for 100V.

4.Q – What size is the driver?
   A – 4 inches

5.Q – Frequency response?
   A – 90 – 20 000 Hz