B2 Audio REFERENCE 3" 6-Ohm 50 Watt RMS Bamboo Infused Midrange Speaker REF3MR

Midrange Specifications:

• RMS Power Handling: 50W
• Nominal Impedance: 6 Ohm
• Voice Coil Diameter: 1"
• Frequency Response: 50 Hz ~ 25 KHz

Thiele & Small Parameters:

• Free Air Resonance (Fs): 159 Hz
• Resistance (Re):5.2 ohm
• Mechanical Factor (Qms): 5.54
• Electrical Factor (Qes): 1.43
• Total Factor (Qts): 1.14
• Equivalent Volume (Vas): 0.5 L
• L Efficiency: 0.142%
• Compliance (Cms): 354 um/N
• BL Factor (BL): 3.2 TM
• Moving Mass (Mms): 2.8 g
• Sound Pressure Level (SPL): 83.6 dB

Measurements:

• Overall Diameter: 3.59" / 91.4mm
• Mounting Diameter: 3.03" / 77mm
• Front Mount Baffle Cutout: 3.15" / 80mm
• Overall Depth: 1.91" / 48.6mm
• Mounting Depth: 1.53" / 38.9mm
• Sold as: (Pair)