YAMAHA YE741A00 6.29″ Woofer for HS7 Monitor

Replacement speaker 16cm - 4 ohm - 60W

Suitable for use on Yamaha HS7 speaker ( black cabinet version )

• Nominal Basket Diameter 6.5“, 165 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 100 W / Music Program 200 W
• Resonance 118 Hz
• Usable Frequency Range 85 Hz - 6 kHz
• Sensitivity 93.6
• Magnet Weight 20 oz.
• Gap Height 0.25“, 6.35 mm
• Voice Coil Diameter 1.5“, 38.1 mm

• Resonant Frequency (fs) 118 Hz
• DC Resistance (Re) 7.2
• Coil Inductance (Le) 0.19 mH
• Mechanical Q (Qms) 5.68
• Electromagnetic Q (Qes) 0.60
• Total Q (Qts) 0.54
• Compliance Equivalent Volume (Vas) 5.8 liters / 0.2 cu. ft.
• Peak Diaphragm Displacement Volume (Vd) 44cc
• Mechanical Compliance of Suspension (Cms) 0.26 mm/N
• BL Product (BL) 8.0 T-M
• Diaphragm Mass inc. Airload (Mms) 7 grams
• Efficiency Bandwidth Product (EBP) 197 Maximum Linear Excursion (Xmax) 3.5 mm
• Surface Area of Cone (Sd) 126.7 cm²
• Maximum Mechanical Limit (Xlim) 4.0 mm

• Recommended Enclosure Volume Sealed 2.8-5.7 liters / 0.1-0.2 cu. ft. Vented 3.4-15.6 liters / 0.12-0.55 cu. ft.
• Overall Diameter 6.59“, 167.4 mm
• Baffle Hole Diameter 5.69“, 144.5 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.23“, 5.7 mm
• Mounting Holes B.C.D. 6.06“, 154 mm
• Depth 2.8“, 71 mm

• Copper voice coil
• Polyimide former
• Ferrite magnet
• Vented and extended core
• Pressed steel basket
• Paper Cone
• Cloth cone edge
• Solid composition paper dust cap

Nominal Diameter     160 mm (6 in)
Overall Diameter     181.2/164 mm (7.13/6.46 in)
Bolt Circle Diameter     167 mm (6.57 in)
Baffle Cutout Diameter     147 mm (5.79 in)
Depth     84.5 mm (3.33 in)
Flange and Gasket Thickness     8 mm (0.31 in)
Net Weight     1.2 Kg (2.64 lb)
Shipping Box
(Single Carton Box - 4 units)     380x393x128 mm (14.9x15.47x5.03 in)
Shipping Weight (4 units)     5.6 Kg (13.82 lb)

Nominal Impedance     8 Ohm
Minimum Impedance     5.9 Ohm
Nominal Power Handling ***     100 W
Maximum Power Handling ****     200 W
Sensitivity (1W/1m)     91 dB
Frequency Range     63÷5000 Hz
Voice Coil Diameter     32 mm (1.26 in)
Winding Material     Cu
Former Material     Kapton
Winding Depth     12.5 mm (0.49 in)
Magnetic Gap Depth     6 mm (0.24 in)
Flux Density     1 T

Fs     61 Hz
Re     5.4 Ohm
Qes     0.6
Qms     6
Qts     0.54
Vas     14.8 dm^3 (0.52 ft^3)
Sd     137 cm^2 (21.23 in^2)
Xmax *     5.25 mm
Xdamage **     13.15 mm
Mms     14 g
Bl     6.8 N/A
Le     0.5 mH
Mmd     13 g
Cms     0.56 mm/N
Rms     0.84 Kg/s
Eta Zero     0.46 %
EBP     102 Hz

Nominal Specifications

    * Nominal Diameter 6“, 160 mm
    * Overall Diameter 7.34/6.37“, 186.5/162 mm
    * Bolt Circle Diameter 6.77“, 172 mm
    * Baffle Cutout Diameter 5.78“, 147 mm
    * Depth 3.43“, 87.2 mm
    * Flange and Gasket Thickness 0.29“, 7.5 mm


Electrical Specifications

    * Minimum Impedance 6.6 Ohm
    * Nominal Impedance 8 Ohm
    * Nominal Power Handling*** 150 W
    * Maximum Power Handling**** 300 W
    * Sensitivity (1W/1m) 97 dB
    * Frequency Range 100 - 5000 Hz
    * Voice Coil Diameter 5“, 52 mm
    * Winding Material Aluminium
    * Former Material Glass Fiber
    * Winding Depth 0.26“, 6.66 mm
    * Magnetic Gap Depth 0.24“, 6 mm
    * Flux Density 1.35 T


THIELE & SMALL Parameters

    * Resonant Frequency (fs) 100 Hz
    * DC Resistance (Re) 5.5 Ohm
    * BL Product (BL) 11.6 N/A
    * Diaphragm Mass inc. Airload (Mms) 13.5 grams
    * Mechanical Compliance of Suspension (Cms) 0.19 mm/N
    * Rms 0.96 Kg/s
    * Electromagnetic Q (Qes) 0.35
    * Mechanical Q (Qms) 8.80
    * Total Q (Qts) 0.33
    * Compliance Equivalent Volume (Vas) 0.20 ft³, 5.80 dm³
    * Surface Area of Cone (Sd) 5.82“², 147.8 cm²
    * Maximum Linear Excursion (Xmax)* 2.3 mm
    * Xdamage** 11.6 mm
    * Coil Inductance (Le) 0.28 mH
    * Diaphragm mass (Mmd) 12.7 g
    * Eta Zero 1.63 %

Notes

    * *Xmax = [(winding depth - magnetic gap depth) / 2] + (magnetic gap depth / 3)
    * **Maximum excursion before permanent damage
    * ***2 Hours Test According to AES 2-1984 Rev. 2003
    * ****Maximum power is defined as 3dB greater than nominal power

• 130 W + 25 W Power handling
• 1.5" + 1" voice coil
• Single point source providing coherent wave front
• 900 conical dispersion
• Optimal for compact 2-way systems