Sub AWM 12

This is a subwoofer call Sub AWM 12 build up after instruction from Hobby Hifi Mai 2006.

General data

• Impedance: 4 Ohm
• Sensitivity (2,83V/1m): 85-92 dB
• Size (HxBxT): 47,1 x 36 x 50 cm
• Frequency range (-8dB): ab 28 Hz
• using correct filter (+/-3db): linear between 30-100 Hz
• Prinziple: Bassreflex

Chassis-Data

• Mivoc AWM 124
• 28 mm "Autoreifen"-Sicke
• 9,1 kg
• +/- 9mm linear stroke
• 12" (30cm)
• max 220W RMS powerrating
• Efficiency about. 91 db

Amplifier-Data

• Mivoc AM 120
• 120 Watt RMS
• 3db Tiefbassanhebung bei 30hz
• Subsonicfilter lower then. 25hz

Now some pics about the construction.