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Infinity Primus 1270B

Sealed enclosure with 12" subwoofer

Item # 108P1270B

The bass battleground is littered with blown budget subwoofers that couldn't handle the daily abuse.

The bass battleground is littered with blown budget subwoofers that couldn't handle the daily abuse.

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Discontinued item

Item # 108P1270B

About the Infinity Primus 1270B

Made for great sound

The bass battleground is littered with blown budget subwoofers that couldn't handle the daily abuse. Infinity wants your next sub to be a great one, and their Primus Series models offer all the benefits of their expertise at a very reasonable price.

Made for great sound

The bass battleground is littered with blown budget subwoofers that couldn't handle the daily abuse. Infinity wants your next sub to be a great one, and their Primus Series models offer all the benefits of their expertise at a very reasonable price.

Tough enclosure

Infinity's Primus 1270B loaded enclosure gives you the impact of a 12" subwoofer for the deep, hard-hitting bass you need. The sealed box is optimized for its subwoofer to guarantee the best possible performance, while black carpet protects the tough 5/8" medium-density fiberboard enclosure so it'll look good for years to come. The sub's polypropylene cone and rubber surround handle high power levels with minimal distortion, and the stamped steel frame gives this sub a firm foundation. The speaker's 4-ohm impedance is compatible with a wide range of amplifiers.

To drive this enclosure, we recommend a mono amplifier rated between 225 and 450 watts RMS at 4 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

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Product highlights:

  • sealed enclosure with 12" subwoofer
  • polypropylene cone with rubber surround
  • stamped steel frame
  • 5/8" medium-density fiberboard construction covered with carpet
  • 4-ohm impedance
  • handles up to 300 watts RMS (1200 watts peak power)
  • frequency response: 35-200 Hz
  • sensitivity: 91 dB
  • dimensions: 17-5/16"W x 14-1/2"H x 6-5/16"D1 x 10-3/16"D2
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # PRIMUS 1270B

What's in the box:

  • Loaded 12" subwoofer enclosure
  • 2 Metal speaker guards
  • Owner's manual
  • Warranty information

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Crutchfield response

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More details on the Infinity Primus 1270B

Pat M.

Features & specs

General
Woofer Size (inches) 12
Speakers Per Box 1
Woofer Material Poly
Enclosure Type Sealed
Color Black
Pieces in System 1
Width (inches) 17-1/4
Height (inches) 14-1/2
Depth (inches) 7-5/8
Second Depth (inches) 11-1/2
Connector Type Threaded posts
Frequency Response 35-200Hz Hz
Power Range (Watts RMS) 300
Maximum Wattage 1200
Sensitivity 91 dB
Impedance 4 ohms
Parts Warranty 1 Year
Labor Warranty 1 Year

Product Research

Features

Driver: The Infinity Primus loaded subwoofer enclosure features an Infinity Primus 1270B 12" subwoofer driver capable of handling 300 watts RMS (1200W peak). The heavy-duty 4 ohm subwoofer includes a stamped-steel frame and a rugged 2" diameter voice-coil that's been designed for daily use. A polypropylene cone and rubber surround provide deep powerful bass with minimal distortion.

Enclosure: The Infinity Primus 1270B enclosure has been designed for optimal use with the installed 1270B subwoofer driver. Made of 5/8" MDF (Medium Density Fiberboard) and covered in black carpet, the enclosure provides a solid foundation for the subwoofer driver, even at high volumes. Two steel bars are included that act as the "grille". These simply slip into the provided holes on the enclosure, protecting the driver from bumps and dings.

Terminals: Connection to the Primus 1270B subwoofer enclosure is done through a pair of threaded posts on the rear that can accept speaker wire up to 12 AWG.

Specifications:

  • Subwoofer: 12"
  • Power: 300W RMS / 1200 peak
  • Sensitivity: 91dB
  • Frequency Response: 35Hz - 200Hz
  • Impedance: 4 Ohms
  • Dimensions: Width - 17.250", Height - 14.50", Depth - 7.625" / 11.50" (includes grille bars)

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
I will let you know the end result after everything is hooked-up. [ HENRY  Jan 14, 2019 ]

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