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Pair of Image Dynamics CTX128

Two 175W 12" CTX Series Single 8-Ohm Subwoofers

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• 350W Peak RMS
• 175W RMS
• Poly-Mica Cone Woofer
• Butyl Rubber Surround
• Conex Spider with Integrated Tinsel Leads
• Black Anodized Aluminum Voice Coil Former

Learn more about the 2-ctx128

We apologize

This item has been discontinued

Product Highlights


• 350W Peak RMS
• 175W RMS
• Poly-Mica Cone Woofer
• Butyl Rubber Surround
• Conex Spider with Integrated Tinsel Leads
• Black Anodized Aluminum Voice Coil Former

Description


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Image Dynamics CTX128

175 Watt Single 8-Ohm Subwoofers

Looking to add some proper SQ Bass without breaking the bank? The CTX Series subwoofer drivers from Image Dynamics will allow you to accomplish just that. With a 'sweet spot' rating of 175 watts RMS of continuous power, these subwoofers will provide more than enough output and bass without having to upgrade your car's electrical system. The CTX128 features a poly-mica cone woofer and butyl-rubber surround for durability and optimum performance. In addition, the CTX series also features a conex spider with integrated tinsel leads for enhanced long linear excursion. So if you are looking to add quality bass without drying up your budget, then the Image Dynamics' CTX subwoofer series are the ones for you.

Single 8-Ohm Subwoofer drivers, like the Image Dynamics CTX128, are intended to be wired as a pair to achieve a final impedance of 4-Ohms or even 2-Ohms when wiring up four at a time. The CTX128 is designed for different wiring variations in mind, including the addition of more subwoofers - without having to spend too much.

Image Dynamics CTX128 Recommended Power Range

General Features

  • 12" Single 8-Ohm CTX Series Subwoofers
  • Power Handling:
    • Peak RMS: 700 watts per pair / 350 watts each
    • Recommended RMS: 350 watts per pair / 175 watts each
  • Recommended Power Range: 100 - 700 watts RMS @ 4ohms
  • Poly-mica cone woofer
  • Butyl rubber surround
  • Spring loaded push terminals for easy installation
  • Conex spider with integrated tinsel leads
  • Black anodized aluminum voice coil former
  • Frequency response: 16 - 180 Hz
  • Sensitivity: 86 dB
  • Xmax: 16.0 mm
  • Mounting Depth: 5.65"
  • Cutout Dimensions: 11.0"
  • Infinite Baffle "Free Air" Ready/Compatible
  • Recommended Sealed Enclosures:
    • Audiophile (Large Box): 3.0 ft³ w/ ~3-4lbs of Poly fill
    • Universal (Med Box): 3.0 ft³ w/ No Poly fill
    • Compact (Sm Box): 2.4 ft³ w/ ~2lb of Poly fill
  • Recommended Ported Enclosures:
    • Audiophile (Large Box): 5.6 ft³ @ 28 Hz w/ ~4lbs of Poly fill
    • Universal (Med Box): 5.6 ft³ @ 28 Hz w/ No Poly fill
    • Compact (Sm Box): 4.4 ft³ @ 28 Hz w/ ~2lb of Poly fill
  • 1-year Manufacturer's Warranty

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Pair of Image Dynamics CTX128 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Pair of Image Dynamics CTX128 Subwoofers

Mono Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Pair of Image Dynamics CTX128 Subwoofers

Mono Amp

Wiring Guide to Wire 4 Pair of Image Dynamics CTX128 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Specifications & Details


Subwoofer Specifications
Series
CTX Series
Subwoofer Size
12"
Peak Power Handling
Not Specified by Manufacturer
RMS Power Handling
175 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
8 ohms
Frequency Response
16 - 180 Hz
Sensitivity
86 dB
Xmax (millimeters)
16 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Polypropylene-Mica
Woofer Surround
Butyl Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
1.2 cubic feet
Maximum Sealed Box Volume
1.5 cubic feet
Minimum Ported Box Volume
2.2 cubic feet
Maximum Ported Box Volume
2.8 cubic feet
Top-Mount Depth (Mounting Depth)
5.65"
Cutout Diameter
11.0"
Shallow Mount Installation
No
Electromechanical Parameters
Total Speaker Q Value (Qts)
0.5616
Electrical Q Value (Qes)
0.6681
Electrical Resistance of Voice Coil (Re)
7.80 ohms
Mechanical Q Value (Qms)
3.520
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

2-CTX128

Weight:

19.00lbs

Internal SKU:

2-ctx128

Internal Product ID:

105473

Product and How-to Videos


Customer Ratings & Reviews



5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
4.7
Design
4.7
Usability
5

Customer Reviews

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The following review is for CTX128, which is a part of the bundle you are viewing.
By Anthony on August 23, 2023 Checkmark Icon Verified purchase

6

found this helpful.

They Slam!

The following review is for CTX128, which is a part of the bundle you are viewing.

Have these powered by my NVX JAD 1200 amp at 4 ohms. They absolutely slam and are very tight and accurate in a 1.1 cubic foot sealed box. They prefer a slightly larger box so they could get better.

By Derek on March 31, 2017 Checkmark Icon Verified purchase

5

found this helpful.

majestic

my little brother go this bundle and holy crap clean and gets lounder than you would think im at a loss for words cleanest subs iv ever heard and they get loud enough you can feel them in another car parked a couple spaces away

By alex on June 25, 2016

Amazing value. Great sound!

If you are looking for a basic 12s just for a little bottom end kick in your system look no further. These are what you are looking for. They aren't the fanciest or loudest but they are a cheap, well put together subwoofer. I am currently running 2 of these on 500 watts rms in a 1 cu ft box per chamber with poly fill and they sound good. Even get louder than I thought. I was pleasantly surprised. Don't think twice about getting these!

By David on April 18, 2016

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