Studer Revox Forum B mk1 3-Weg HiFi-Box, 1983, made in Germany

Link: hifi-wiki | radiomuseum

Generally

• Manufacturer: Revox
• Model: B Forum
• Made in: Germany
• Color: real wood veneer walnut, dark stained
• Dimensions: 320 x 510 x 325 mm (WxHxD)
• Weight: 14.7 kg
• Selling Price in Germany: 1600 DM/1983

Specifications

• Type: 3-way
  • Woofer: 260 mm
  • Midrange: 38 mm (dome)
  • Tweeter: 19 mm (dome)
• Load (Nenn-/Musikb.) : 90/120 W
• empfolene amplifier power: 20-100 watts (RMS per channel)
• Distortion: 0.5%
• Transition regions: 33-24000 Hz
• Crossover frequencies: 820/2600 Hz
• Level controls Mid Level at 1kHz: 14/18 dB / oct.
• Level controls High level at 10 kHz: 24/28 dB / oct.
• Overload Protection: Overload protection of the tweeter by fuse
• Connection: slide clamps
• Impedance: 4 Ohm