MX-69B
Key Features:
  • 6 X 9" (156 X 230 mm), 4 ohm
  • Extended Range Music and Voice, 60 watts
  • Ferrite magnet, titanium electroplated polypropylene cone with Santoprene rubber surround;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 6.0 x 9.0 / 156.0 x 230.0 inch / mm
Rated Impedance 4 ohms
Rated Power 60.0 Watts
Program Power 120 Watts
Frequency Range 50 - 20000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
89 dB SPL
Voice Coil Diameter 1.0 / 25.4 inch / mm
Magnet Weight 12.0 / 341 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 65 Hz
D.C. Resistance (Re) 3.3 ohms
Mechanical Q (Qms) 6.6
Electrical Q (Qes) 1.17
Total Q (Qts) 0.99
Compliance Equivalent Volume (Vas) 23.2 ltr
BL Product (BL) 4.5 T-M
Maximum Linear Excursion (Xmax) 4.3 mm
Surface Area of Cone (Sd) 217.0 cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size 0.205 x 0.02
Magnet Ferrite
Voice Coil Wire Copper
Voice Coil Form Kapton
Cone Titanium Electroplated Polypropylene
Cone Edge Santoprene Rubber
Dust Cap Felt
http://s3.amazonaws.com/misco/curves/MX-69B.JPG
ID Description Measurements Tolerance
OD Outside Diameter 9.3 in. +/- 0.040”
CD Cutout Diameter 8.7 in. +/- 0.030”
MG Magnet Diameter 3.4 in. +/- 0.050”
HD Hole Diameter 0.3 in. +/- 0.020”
MD Mounting Diameter 8.1 in. +/- 0.020”
ID Internal Depth 3.2 in. Maximum
FT Flange Thickness 0.15 in. +/- 0.050”
NW Net Weight 1118.0 g
ceramic