SKU: Misco-RDC3WP-4 Misco RDC3WP - 4 Ohm Speaker

Misco RDC3WP - 4 Ohm Speaker

The MISCO RDC 3 WP 4 Ohm 3" speakers is perfect for voice applications, in public address (PA) applications, intercoms, computers and point of sale systems, public transport, fast food ordering systems, television and broadcast systems and many other applications. With the distinctive red MISCO water resistant cone, these speakers perform incredibly well and last a long time.

Technical Specifications:

• Nominal Basket Diameter: 3 inch / 77 mm (approx.)
• Rated Impedance: 4 Ohms
• Rated Power: 4 Watts
• Program Power: 8 Watts
• Frequency Range: 250 - 7000 Hz
• Sensitivity (2.83 V input measured at 1 Meter): 87 dB SPL
• Voice Coil Diameter: 0.7 inch / 17.8 mm
• Magnet Weight: 2.4 oz / 68 grams
• Net Weight: 210 grams (approx.)

Small Signal Parameters:

• Resonant Frequency (fo): 291 Hz
• DC Resistance (Re): 3.0 Ohms
• Mechanical Q (Qms): 3.7
• Electrical Q (Qes): 2.08
• Total Q (Qts): 1.33
• Maximum Linear Excursion (Xmax): 1.1 mm

Construction Specifications:

• Basket: Stamped Steel
• Terminal Size: 0.19 x 0.02 inch / 0.48 x 0.05 mm (approx.)
• Magnet: Ferrite
• Voice Coil Wire: Copper
• Voice Coil Former: Aluminium
• Cone: Red Acrylic Treated Cloth
• Cone Edge: Red Acrylic Treated Cloth
• Dust Cap: Felt
• Speakers Environment: Outdoor (front side only when correctly mounted)
• ROHS Compliant: Yes

Misco RDC3WP 4 Ohm speaker SPL and frequency response curves.

ID	Description	Measurements	Tolerance
OD	Outside Diameter	3.0 in.	± 0.040"
CD	Cutout Diameter	2.8 in.	± 0.030"
MG	Magnet Diameter	2.1 in.	± 0.050"
HD	Hole Diameter	0.2 in.	± 0.020"
MD	Mounting Diameter	3.4 in.	± 0.020"
ID	Internal Depth	1.1 in.	Maximum
FT	Flange Thickness	0.11 in.	± 0.050"