Acoustic Research AR-4X Speakers, 1967-1971, made in USA

Link: hifiengine | audio-database

System: 2 ways, 2 speaker acoustic suspension system, and a book shelf type
Use unit:
- For low-pass: 20cm corn type (1 x 8" cone)
- For high regions: 6cm dome shape (1 x 2.5" wide dispersion cone)
Frequency response: 45Hz - 20kHz
Impedance: 8ohms
Allowable input: Suitable for the amplifier beyond 15W
Crossover frequency: 1kHz
Dimensions: Width 255x height 482x depth of 225mm
Weight: 7.5 (8.4) kg