Peerless 830 951 10″, XXLS Car Subwoofer

Specifications Impedance:
4 Ohm Megaphone Depth:
135.7 mm Hole Diameter:
169.6 mm Sensitivity:
90.3 db Size:
10 Inches

• 3'' sandwich voice coil fiberglass former and aluminium winding
• Progressive wave Konex spider
• Cloth surround with DAR technology
• Cone waterproof treatment
• Ventilated voice coil to reduce power compression
• BMF ferrite magnet
• 95.8 dB sensitivity

• Nominal Basket Diameter 10“, 254 mm
• Nominal Impedance 16 ohms
• Power Rating Watts 250 W / Music Program 500 W
• Resonance 53 Hz
• Usable Frequency Range 51 Hz - 3.8 kHz
• Sensitivity 97
• Magnet Weight 34 oz.
• Gap Height 0.312“, 7.92 mm
• Voice Coil Diameter 2“, 50.8 mm

• Resonant Frequency (fs) 53 Hz
• DC Resistance (Re) 5.75
• Coil Inductance (Le) 0.67 mH
• Mechanical Q (Qms) 8.14
• Electromagnetic Q (Qes) 0.52
• Total Q (Qts) 0.49
• Compliance Equivalent Volume (Vas) 60.1 liters / 2.1 cu. ft.
• Peak Diaphragm Displacement Volume (Vd) 102 cc
• Mechanical Compliance of Suspension (Cms) 0.36 mm/N
• BL Product (BL) 9.6 T-M
• Diaphragm Mass inc. Airload (Mms) 25 grams
• Efficiency Bandwidth Product (EBP) 103
• Maximum Linear Excursion (Xmax) 3.0 mm
• Surface Area of Cone (Sd) 344.9 cm²
• Maximum Mechanical Limit (Xlim) 8.6 mm

• Recommended Enclosure Volume Sealed 8.5-14.2 liters/0.3-0.5 cu.ft. Vented 19.8-70.8 liters/0.7-2.5 cu.ft.
• Overall Diameter 10.11“, 256.8 mm
• Baffle Hole Diameter 9.13“, 231.8 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. 9.6“, 243.8 mm
• Depth 3.98“, 101 mm

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

Nominal Specifications

    Nominal Diameter 10“, 250 mm
    Overall Diameter 10.28“, 261 mm
    Bolt Circle Diameter 9.69“, 246 mm
    Baffle Cutout Diameter 9.06“, 230 mm
    Depth 5.56“, 141.3 mm
    Flange and Gasket Thickness 0.49“, 12.5 mm


Electrical Specifications

    Minimum Impedance 7.3 Ohm
    Nominal Impedance 8 Ohm
    Nominal Power Handling*** 700 W
    Maximum Power Handling**** 1,400 W
    Sensitivity (1W/1m) 96 dB
    Frequency Range 60 - 4000 Hz
    Voice Coil Diameter 4“, 100 mm
    Winding Material Aluminium
    Former Material Glass Fiber
    Winding Depth 0.87“, 22 mm
    Magnetic Gap Depth 0.47“, 12 mm
    Flux Density 1.3 T


THIELE & SMALL Parameters

    Resonant Frequency (fs) 60 Hz
    DC Resistance (Re) 5.5 Ohm
    BL Product (BL) 25.7 N/A
    Diaphragm Mass inc. Airload (Mms) 72.5 grams
    Mechanical Compliance of Suspension (Cms) 0.096 mm/N
    Rms 4.58 Kg/s
    Electromagnetic Q (Qes) 0.22
    Mechanical Q (Qms) 6.01
    Total Q (Qts) 0.23
    Compliance Equivalent Volume (Vas) 0.55 ft³, 15.65 dm³
    Surface Area of Cone (Sd) 52.5“², 339 cm²
    Maximum Linear Excursion (Xmax)* 9 mm
    Xdamage** 12.5 mm
    Coil Inductance (Le) 0.85 mH
    Diaphragm mass (Mmd) 69 g
    Eta Zero 1.46 %

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

Nominal Diameter     250 mm (10 in)
Overall Diameter     261 mm (10.28 in)
Bolt Circle Diameter     246 mm (9.69 in)
Baffle Cutout Diameter     232 mm (9.13 in)
Depth     141.3 mm (5.56 in)
Flange and Gasket Thickness     12.5 mm (0.49 in)
Net Weight     3.4 Kg (7.5 lb)
Shipping Box
(Single Carton Box)     305x305x185 mm (12x12x7.28 in)
Shipping Weight     4 Kg (8.8 lb)

Nominal Impedance     8 Ohm
Minimum Impedance     6.3 Ohm
Nominal Power Handling ***     600 W
Maximum Power Handling ****     1200 W
Sensitivity (1W/1m)     97 dB
Frequency Range     70÷4000 Hz
Voice Coil Diameter     77 mm (3 in)
Winding Material     Al
Former Material     Glass Fiber
Winding Depth     18 mm (0.71 in)
Magnetic Gap Depth     12 mm (0.47 in)
Flux Density     1.1 T

Fs     72 Hz
Re     5.1 Ohm
Qes     0.37
Qms     2.4
Qts     0.32
Vas     15.7 dm^3 (0.55 ft^3)
Sd     327 cm^2 (50.7 in^2)
Xmax *     7 mm
Xdamage **     19.5 mm
Mms     47 g
Bl     17.4 N/A
Le     0.76 mH
Mmd     43.6 g
Cms     0.1 mm/N
Rms     8.86 Kg/s
Eta Zero     1.6 %
EBP     200 hz