Rank Arena HT-17, 1967-1970, made in Denmark

Link: vintage-radio | faktiskt - Martin Persson

• bass: Peerless 5x7in U570
• tweeter: Peerless MT25HFC (size- approx.  2.5" sq. x 1.5"d / resistance (meter) -  4-4.2 ohm / resistance (rated)-  4 ohm)

One peculiar detail about the bass, is that it could be delivered with a lower resonance frequency (65Hz as opposed to 90Hz) for use in small closed boxes.
The box is completely full with Rockwool damping material and a sheet of cloth protects the drivers.

16uF and a coil as crossover.

Dimensions: 32x25x12 cm

Impedance: 4 ohms
Years of construction: 1967 - 1970
Made in: Horsens, Denmark