ALFC-457

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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: 90hz ~ 20Khz
  • Sensitivity (1M/1W): 87dB
  • Power Taps: 20W / 10W / 2.5W / 5W; 8Ω : 40W
  • Rated Power: 20W, 8Ω: 40W
  • Line input: 100V / 70V; 8Ω
  • 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: 7Ω
  • Former: KSV
  • Magnet: Ferrite ( 416g)
  • Ø 90 x Ø32 x 15 (Y30)
  • Basket: Iron
  • Cone Material: PCK + PF
  • Spider: Conex
  • Net Weight: 795 g

Resources

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