Backes & Müller Delta

Data

General

• Manufacturer: Backes & Müller
• Model: Delta
• Type: Loudspeaker
• Years of manufacture: 1984 - 1986
• Made in: Germany
• Color: Walnut, Ash, Black Ash, Mahogany, Dark Oak
• Dimensions: 280 x 520 x 290 mm (WxHxD)
• Weight: 15 kg
• Original price approx.: 2'800,- DM (RRP pair)

Technical Data

• Type: 3-way compact speaker, active
• Chassis:
  • Low frequency: 245 mm cone

Midrange: 120 mm cone Tweeter: 25 mm metal dome

• Power output stages: (continuous/dynamic):
• Frequency response: 20 - 20'000 Hz
• Transitional ranges: 300 Hz, 3'000 Hz

• Further data from report in "FonoForum" 11 / 1984:

Special Features

• Automatic switch-on
• AFB (Acoustical Feedback) microphone on bass diaphragm

Comments

• Other models of the same series:
• Backes & Müller Beta
• Backes & Müller Delta
• Backes & Müller Omega
• Backes & Müller Sigma

Pictures

• Picture: Backes & Müller Delta

Reports

• Report in "FonoForum" 11 / 1984

• Report at "Mackern": [[1]]