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MM: Designed To Perform
MM Series Full Range/Component Systems Specifications
MM691 MM5251 MM6501
Type 6"x9" 51/4" 61/2"
three-way component component
system system
Drivercomplement 6"x9" 51/4" 61/2"
(150mmx225mm) (131.3mm) (162.5mm)
mid/woofer mid/woofer mid/woofer
Tweetercomplement (1)3/4"(19mm) 1"(25mm) 1"(25mm)
(1)1"(25mm) softdometweeter softdometweeter
softdometweeter
Cutoutdimensions 51/2"x83/8" 45/8" 5"
(140mmx213mm) (117mm) (127mm)
Mountingdepth 33/16" 23/8" 25/8"
(top) (81mm) (60mm) (67mm)
Mountingdepth 31/2" 213/16" 27/8"
(bottom) (89mm) (71mm) (73mm)
PeakPowerhandling 300W 200W 250W
ContinuousPower 125W 90W 125W
handling
NominalImpedance 2.7Ω 2.7Ω 2.7Ω
Frequencyresponse 30Hz-25kHz 50Hz-25kHz 40Hz-25kHz
Grilleheight 11/8" 11/16" 1 1/16"
(29mm) (27mm) (27mm)
Sensitivity 94dB 92dB 94dB
ENGLISH
ProductDisposal-Certaininternational,nationaland/orlocallawsand/orregula-
tionsmayapplyregardingthedisposalofthisproduct.Forfurtherdetailedinforma-
tion,pleasecontacttheretailerwhereyoupurchasedthisproductorthe
PolkAudioImporter/Distributorinyourcountry.AlistingofPolkAudioImporter/
DistributorscanbefoundonthePolkAudiowebsitewww.polkaudio.comorbycon-
tactingPolkAudioat5601MetroDrive,Baltimore,Maryland21215,USA—
Phone:+1410358-3600.
MM Series Full Range/Component Systems Specifications
MM461p MM521 MM571 MM651
Type 4"x6" 51/4" 5"x7" 61/2"
plate coaxial coaxial coaxial
Drivercomplement 31/2" 51/4" 5"x7" 61/2"
(87.5mm) (131.3mm) (125mmx175mm) (162.5mm)
mid/woofer mid/woofer mid/woofer mid/woofer
Tweetercomplement 3/4"(19mm) 1"(25mm) 1"(25mm) 1"(25mm)
softdometweeter softdometweeter softdometweeter softdometweeter
Cutoutdimensions 37/8"x515/16" 45/8" 45/8" x73/16" 5"
(115.6mmx (117mm) (115.6mmx (127mm)
179.7mm) 213mm)
Mountingdepth 111/16" 23/8" 25/8" 25/8"
(top) (43mm) (60mm) (67mm) (67mm)
Mountingdepth n/a 213/16" 3" 27/8"
(bottom) (71mm) (76mm) (73mm)
PeakPowerhandling 150W 200W 200W 200W
ContinuousPower 50W 90W 90W 100W
handling
NominalImpedance 2.7Ω 2.7Ω 2.7Ω 2.7Ω
Frequencyresponse 70-25kHz 50-25kHz 38-25kHz 40-25kHz
Grilleheight n/a 13/16" n/a 13/16"
(20mm) (20mm)
Sensitivity 90dB 92dB 92dB 94dB
ENGLISH
WARNING:LISTENCAREFULLY
PolkAudioloudspeakersandsubwoofersarecapableofplayingatextremelyhighvolumelevels,which
couldcauseseriousorpermanenthearingdamage.PolkAudio,Inc.acceptsnoliabilityforhearingloss,
bodilyinjuryorpropertydamageresultingfromthemisuseofitsproducts.
Keeptheseguidelinesinmindandalwaysuseyourowngoodjudgmentwhencontrollingvolume:
• Youshouldlimitprolongedexposuretovolumesthatexceed85d ecibels(dB).
• Highvolumeinanautomobilecanhinderyourabilitytosafelyoperateavehicle.
• Youareresponsibleforknowingthelocallawsgoverningacceptablemobilevolumelevels.
Formoreaboutsafevolumelevels,goto:www.polkaudio.com/education/article/SPL/
OrrefertotheOccupationalHealthandSafetyAdministration(OSHA)guidelinesat:
www.osha.gov/dts/osta/otm/noise/standards_more.html