About the HELIX Competition C6B
German-built quality
German-built quality
Are you looking to add some extra kick to your car's audio system? HELIX made their Competition C6B 6-3/4" midbass speakers from Agave sisalana, an extremely stiff natural fiber, to give you the tight, responsive performance you want. The C62C or C63C component speaker systems from Helix feature an extra set of woofer outputs on their crossover networks. These C6B speakers are duplicates of the ones in these component systems, so they are perfect for adding even more midbass impact.
These speakers will also work fine as standalone midbass drivers. You can feed them plenty of power — up to 150 watts RMS — so there's no need to be shy with the volume control.
Note: HELIX describes this model as a 6-1/2" speaker. Most manufacturers designate this same frame size as a 6-3/4" speaker. For simplicity's sake we list it as a 6-3/4" speaker.
Product highlights:
- 6-3/4" midbass speaker set
- Agave sisalana fiber woofer cone with elastomer structural damping
- rubber surround
- 4-ohm impedance
- power range: 10-150 watts RMS (300 watts peak power)
- frequency response: 47-5000 Hz
- sensitivity: 91 dB
- mounting depth: 2-5/8"
- warranty: 2 years
- MFR # C6B
What's in the box:
- 2 Woofers
- 2 Metal grilles
- 2 Plastic grille frames
Customer reviews for HELIX Competition C6B
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More details on the HELIX Competition C6B
Features & specs
Features and Specs | ||
---|---|---|
Size | 6 3/4 -inch | |
Impedance (Ohms) | --- | |
Cone Material | Sisal | |
Surround Material | Rubber | |
Port diameter (inches) | N/A | |
Port length (inches) | N/A | |
Free-Air | Yes | |
Dual Voice Coil | No | |
Sensitivity |
91 dB at 1 watt | |
Frequency Response | 47 - 5000 Hz | |
Max RMS Power Handling | 150 | |
Peak Power Handling (Watts) | 300 | |
Top Mount Depth (inches) | 2 5/8 | |
Bottom Mount Depth (inches) | 2 13/16 | |
Cutout Diameter or Length (inches) | 5 5/8 | |
Frame Width | 6.535 | |
Frame Length | 6.535 | |
Vas (liters) | 0 | |
Fs (Hz) | 56 | |
Qts | 0 | |
Xmax (millimeters) | 0 | |
Parts Warranty | 2 Years | |
Labor Warranty | 2 Years | |
Box Requirements | ||
Ideal Sealed Box Volume (cubic feet) | N/A | |
Minimum Sealed Box Volume (cubic feet) | N/A | |
Maximum Sealed Box Volume (cubic feet) | N/A | |
Ideal Ported Box Volume (cubic feet) | N/A | |
Minimum Ported Box Volume (cubic feet) | N/A | |
Maximum Ported Box Volume (cubic feet) | N/A |
Product Research
Features
Cone: The woofer cones are made of sisal fiber and they use durable rubber surrounds. The mechanical advantages of sisal, rigidity and inner damping, result in faster transients and precise detail.
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: 2.54"
- Bottom Mount Depth: 2.71"
Terminals: Each speaker has screw terminal inputs that will accommodate bare wire or spade connectors up to 0.315" wide.
Size Classification Note: Crutchfield has traditionally referred to this size speaker as a 6-3/4", while some manufacturers, including Helix (Audiotec Fischer), call it a 6-1/2". Please refer to the Crutchfield Vehicle Selector to confirm fit in your vehicle.
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