MW Audio MT-4000: .5″ Mylar Dome 4 OHM Tweeter
Very common replacement tweeter used in many speakers. Good replacement for many Polk models.
Polk tweeter part #’s:
– SL4000 and RD0121-2
Polk model #’s:
– Monitor (New), Mini Monitor (New) and more
Specs:
Freq Range: 4800-20,000 Hz
Fs: 3200 Hz
Power Rating: 15 Watts
Impedance: 4 ohms
Re: 3.3 ohms
Sensitivity: 90 dB
Voice Coil Diameter: .5″ (12.5mm)
Dimensions:
Outside: 2.92″
Cutout: 1.96″
Depth: .71″