Revox Forum B MK IV

Data

General

• Manufacturer: Revox
• Model: Forum B MK IV
• Type: Loudspeaker
• Production period: 1993 - 1999
• Country of manufacture: Germany
• Color: Black or white, piano lacquer
• Dimensions: 440 x 230 x 295 mm (WxHxD)
• Weight: 10 kg
• Original price approx.: as discontinued model in 1999 1'400 DM per pair

Technical data

• Construction: 2-way
• drivers:
  • Woofer: 200 mm (cone)

Tweeter: 25 mm (dome)

• Power handling (nominal / music): 80 W / 120 W
• Efficiency: 87 dB / W / m
• Frequency response: 33 - 25'000 Hz
• Crossover: 1'900 Hz
• Impedance: 4 Ohm

Special Features

• Bass reflex port on the back of the speakers that can be closed off with a moulded part
• The closing of the bass reflex port reduces the low frequency level in the range of 40 Hz to 100 Hz by up to approx. 6 dB, with improved impulse behaviour.

Note

• Other models in the same series:
• Integrated amplifier:
• Revox B 25

• Tuner:
• Revox B 26

• CD player:
• Revox B 22

• Tape Deck:
• Revox B 21

• Speakers:
• Revox Atrium B MK IV
• Revox Emporium B MK IV
• Revox Forum B MK IV

Pictures

• Extract from brochure: Revox Atrium B MK IV, Emporium B MK IV, Forum B MK IV