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Helix Blue B52C

5-1/4" component speaker system

4 Reviews

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Item # 975B52C

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Overview

Our take on the Helix Blue B52C

Helix builds their low-profile Blue Series speakers to fit into more factory speaker locations while maintaining their high standards for sound quality. Helix earned its reputation by paying attention to the details, and these speakers really uphold the family name.

Helix Blue B52C

German engineering meets car audio

Helix builds their low-profile Blue Series speakers to fit into more factory speaker locations while maintaining their high standards for sound quality. Helix earned its reputation by paying attention to the details, and these speakers really uphold the family name.

The Blue Series B52C 5-1/4" component speakers can handle up to 40 watts RMS of real-world power, so hook them up with an external amplifier if you really want to bring them to life. The added power gets you better bass and more accurate stereo separation, and your ears will thank you for the extra juice.

The drivers

You'll hear excellent high-frequency detail from the 1" silk dome tweeter, while the polypropylene woofer supplies solid, punchy bass. The external crossover network keeps the right frequencies going to these two drivers. If you want to enjoy the little details in your music without breaking the bank, you'll want to check out these Helix speakers. Grilles are included.

Excellent product and ship time!

Dana, Inverness, FL

What's in the Box:

  • 2 Woofers
  • 2 Grilles
  • 2 Tweeters (each has 5" speaker lead attached)
  • 2 Flush-mount tweeter housing tops
  • 2 Surface-mount tweeter housing tops
  • 2 Angled tweeter mount bases
  • 2 Flat tweeter mount bases
  • 2 Metal flush-mount clamps
  • 2 Crossovers (each has 38" output leads for the tweeter and woofer attached)
  • Two 47" lengths of speaker wire
  • Eight 1" Self-tapping screws
  • Four 1/2" Self-tapping screws
  • 8 Speed clips
  • Four M4x10mm Flat head machine screws
  • 4 Flat washers
  • Four M4 Nuts
  • 2 Adhesive pads
  • Instruction manual (English/ German)
  • Woofer template

Product Highlights:

  • component speaker system includes 2 woofers, 2 tweeters, and 2 crossovers
  • 5-1/4" injection-molded polypropylene woofer cone with rubber surround
  • 1" silk dome tweeter
  • 2-way external crossover network
  • power range: 5-40 watts RMS (120 watts peak power)
  • frequency response: 65-25,000 Hz
  • sensitivity: 90 dB
  • top-mount depth: 2-1/16"
  • grilles included
  • warranty: 2 years
  • Our 60-day money-back guarantee
Reviews

Helix Blue B52C Reviews

Average Customer Review(s):

(4 Reviews)
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Details

Hands-on research

Features and Specs

General
Speaker Size 5 1/4
Design 2-way
Tweeter Design 1" Dome
Tweeter Composition Silk
Woofer Composition Injected Polypropylene
Woofer Surround Rubber
Parts Warranty 2 Years
Labor Warranty 2 Years
Specifications
Sensitivity (1W at 1 meter) 90
Sensitivity at 2.83 volts N/A
Frequency Response 65 - 25k Hz
Minimum RMS Wattage 5
Maximum RMS Wattage 40
Peak Power Handling (Watts) 120
Impedance (Ohms) 4
Top-mount Depth (Inches) 2 1/16
Bottom-mount Depth (Inches) 2 5/16
Cutout Diameter or Length (inches) 4 3/4

Product Research

Woofer
Tweeter
Crossover

Woofer

Woofer: The B 52C component system includes woofers with injection-molded polypropylene cones and durable rubber surrounds. This process of cone molding assures a uniform cone thickness for superior linearity and clarity. It is also lighter weight and more rigid for decreased distortion and improved bass response.

Magnet cover: The woofers are shipped with a rubber magnet cover to protect the speaker. If the cover is removed the depth changes slightly:

  • Top Mount Depth: 1.931"
  • Bottom Mount Depth: 2.159"

Tweeter

Tweeter: The system uses 1" silk dome tweeters with neodymium motor structure. The tweeters can be flush mounted, surface mounted, or surface mounted at an angle using the included brackets. Once mounted, the tweeters swivel so you can direct them toward the listening positions.

Tweeter Dimensions:

  Frame Width Frame Length Cutout Diameter Mounting Height Mounting Depth
Flush Mount 2.160" 2.160" 1.835" 0.50" 1.0"
Surface Mount 1.845" 1.845" N/A 1.185" 0.4" (Screw Depth)
Angled Surface Mount 1.850" 1.835" N/A 1.355" 0.4" (Screw Depth)

Crossover

Crossover: Each crossover has screw terminal inputs and separate, attached 38" output leads for the woofer and tweeter. No crossover frequency or slope information was provided by the manufacturer.

Crossover Dimensions:

  • Length: 1.905" (plus wiring)
  • Height: 1.070"
  • Width: 1.385"

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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