IQ 4280 AT

Data

General

  • Manufacturer: I.Q
  • Model: 4280 AT
  • Year of manufacture: 1990
  • Manufactured in: Essen/Germany
  • Color:
  • Dimensions: 1060x270x300 (HxWxD).
  • Weight: 24 Kg
  • Original price approx.: DM 2.400 (pair)


Technical Data

  • Type: 4-way floorstanding speaker bass reflex
  • Chassis:


  Aluminium dome tweeter : Vifa D25AG-05-06, 25mm replacement for Vifa D25AG-05-06 25mm. 
  bass driver : Vifa M21WO-39-08, 21cm replacement for Vifa VIfa M 21 WJ-49-08
  mid-bass driver : Vifa M21WO-39-08, 21cm replacement for Vifa VIfa M 21 WJ-49-08
  midrange cone Vifa D75MX-30-08, 75mm
    • list drivers here

bass driver: 2x cone 210 mm

midrange driver: cone 90 mm

tweeter : dome 25 mm

Power handling (nominal/music): 120W/180W

  • Efficiency: 90 db 3.1 Volt
  • Frequency response: 25-24.000 Hz
  • crossover ranges: 250 / 500 / 3000 Hz
  • Impedance: 4 Ohm


Special Features

  • list here
Midrange driver: 

Inlet spike in the middle of the cone (phase plug) better dispersion characteristics

Remarks

Further models of the same series:

Pictures

Reports

Audio 2/1991 : Middle class 2 ears

              Sound 58 points

Links