MTW025A0
Key Features:
  • 4" (100 mm), 6 ohm
  • Tweeter, 20 watts
  • Ferrite magnet, silk dome;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 4.0 / 100.0 inch / mm
Rated Impedance 6 ohms
Rated Power 20.0 Watts
Program Power 40 Watts
Frequency Range 1400 - 20000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
88 dB SPL
Voice Coil Diameter 1.0 / 25.4 inch / mm
Magnet Weight 17.6 / 500 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 1400 Hz
D.C. Resistance (Re) 5.8 ohms
Mechanical Q (Qms) 2.3
Electrical Q (Qes) 2.3
Total Q (Qts) 1.1
Compliance Equivalent Volume (Vas) ltr
BL Product (BL) T-M
Maximum Linear Excursion (Xmax) mm
Surface Area of Cone (Sd) cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Cast Aluminum
Terminal Size 0.205 X 0.02/.11 X .02
Magnet Ferrite
Voice Coil Wire Copper
Voice Coil Form Aluminum
Cone Black Silk
Cone Edge Black Silk
Dust Cap None
ID Description Measurements Tolerance
OD Outside Diameter 3.9 in. +/- 0.040”
CD Cutout Diameter 3.5 in. +/- 0.030”
MG Magnet Diameter 2.8 in. +/- 0.050”
HD Hole Diameter 0.16 in. +/- 0.020”
MD Mounting Diameter 3.4 in. +/- 0.020”
ID Internal Depth 0.9 in. Maximum
FT Flange Thickness 0.08 in. +/- 0.050”
NW Net Weight 501.0 g
ceramic