Polk Audio MM840svc User manual

With coils wired in series, a dual 4 Ohms speaker will
present an 8 Ohms load.
With coils in parallel, a dual 4 Ohms speaker will present
a 2 Ohms load.
DUAL VOICE COIL WI ING DIAG AMS FO MM840DVC,
MM1040DVC, MM1240DVC & MM1540DVC
Please make certain that your amplifier is rated to carry the
specified load.
With speakers wired in parallel: Two 4 Ohm
speakers will present a 2 Ohm load.
Single 4 Ohm load.
WI ING DIAG AMS FO MM840, MM1040, MM1240,
MM1540 (Single Voice Coil Hookup)
Please make certain that your amplifier is rated to carry the
specified load.

With the coils wired in series and the speakers wired in
parallel, 3 dual 4 Ohms speakers will present a 2.7 Ohms load.
With the coils wired in series and the speakers wired in
parallel, 2 dual 4 Ohms speakers will present a 4 Ohms load.
With coils and speakers wired in parallel, two dual 4 Ohms
speakers will present a 1 Ohm load. (Not recommended unless
amplifier is rated for 1 Ohm operation.)
DUAL VOICE COIL WI ING DIAG AMS FO
MM840DVC, MM1040DVC, MM1240DVC & MM1540DVC

MM Series Subwoofer Specifications
Thiele/Small
Parameters MM840SVC MM1040SVC MM1240SVC MM1540SVC
Type 8" (203.2mm) 10" (254mm) 12" (304.8mm) 15" (381mm)
subwoofer subwoofer subwoofer subwoofer
Nominal Impedance 4Ω4Ω4Ω4Ω
Frequency response 26-200Hz 24-200Hz 22-200Hz 18-150Hz
Fs (Hz) 35Hz 35Hz 35Hz 27Hz
e 3.25 Ω3.25 Ω3.25 Ω3.25 Ω
Le 2.3mH 3.0mH 3.0mH 3.0mH
Qms 5.5 3.0 5.5 5.0
Qes 0.7 0.53 0.63 0.56
Qts 0.6 0.45 0.53 0.5
Vas 0.54ft30.65ft31.3ft33.5ft3
(15.4L) (18L) (38L) (100L)
Sd 35.65in254.25in280.6in2128.5in2
(230cm2) (350cm2) (520cm2) (829cm2)
Power Handling 250 Watts 350 Watts 425 Watts 425 Watts
(Watts continuous)
Power Handling 500 Watts 700 Watts 850 Watts 850 Watts
(Watts peak)
Sensitivity 89dB 91dB 92dB 93dB
(SPL at 2.83V/1 meter)
Oneway/Excursion 3/4" 1" 1" 1"
(Linear) (19mm) (25mm) (25mm) (25mm)
Voicecoil Diameter 1 1/2" 2" 2" 2"
(38.1mm) (50mm) (50mm) (50mm)
Mounting depth 4 1/8" 4 1/2" 4 5/8" 4 5/8"
(top mount) (105mm) (114mm) (117.5mm) (117.5mm)
Mounting depth 4 5/8" 5 1/8" 5 1/4" 5 1/4"
(bottom mount) (117.5mm) (130mm) (133.4mm) (133.4mm)
Mounting Diameter 7 1/8" 9 1/16" 11" 13 7/8"
(181mm) (230.2mm) (279mm) (352mm)
ENGLISH
MM Series Subwoofer Specifications
Thiele/Small
Parameters MM840DVC MM1040DVC MM1240DVC MM1540DVC
Type 8" (203.2mm) 10" (254mm) 12" (304.8mm) 15" (381mm)
subwoofer subwoofer subwoofer subwoofer
Nominal Impedance dual 4 Ωdual 4 Ωdual 4 Ωdual 4 Ω
Frequency response 30-200Hz 28-200Hz 27-200Hz 18-150Hz
Fs (Hz) 43Hz 35Hz 35Hz 27Hz
e 6.25 Ω6.25 Ω6.25 Ω6.25 Ω
Le 2.47mH 5.1mH 5.1mH 5.1mH
Qms 5.5 3.0 5.0 5.0
Qes 0.62 0.59 0.70 0.56
Qts 0.59 0.5 0.6 0.5
Vas 0.55ft30.65ft31.3ft33.5ft3
(15.8L) (18L) (38L) (100L)
Sd 35.65in254.25in280.6in2128.5in2
(230cm2)(350cm2)(520cm2)(829cm2)
Power Handling 180 Watts 270 Watts 425 Watts 360 Watts
(Watts continuous)
Power Handling 360 Watts 540 Watts 850 Watts 720 Watts
(Watts peak)
Sensitivity 85dB/series 86dB/series 88dB/series 89dB/series
(SPL at 2.83V/1 meter)
Oneway/Excursion 3/4" 1" 1" 1"
(Linear) (19mm) (25mm) (25mm) (25mm)
Voicecoil Diameter 1 1/2" 2" 2" 2"
(38.1mm) (50mm) (50mm) (50mm)
Mounting depth 4 1/8" 4 1/2" 4 5/8" 4 5/8"
(top mount) (105mm) (114mm) (117.5mm) (117.5mm)
Mounting depth 4 5/8" 5 1/8" 5 1/4" 5 1/4"
(bottom mount) (117.5mm) (130mm) (133.4mm) (133.4mm)
Mounting Diameter 7 1/8" 9 1/16" 11" 13 7/8"
(181mm) (230.2mm) (279mm) (352mm)
ENGLISH