Eminence Patriot Swamp Thang 12 Inch Guitar Speaker 150 Watts

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MSRP: $149.99


Product Description

The Eminence Swamp Thang guitar speaker will transform your cab into an all out powerhouse!
Designed with heavier players in mind, the Swamp Thang provides a thick and chunky tone with loads of sustain. The awesome bottom end will hold up to even the most demanding drop-tune or 7 string players. This great speaker is rated at 150 watts and 8 ohms.

The Value of Eminence Eminence wants to make sure their customers know exactly what they are getting when they buy a speaker. Therefore, Eminence provides two different ratings to describe the power handling of all their speakers.

    Watts - the guaranteed long term power rating throughout the useable frequency range of the speaker. Translation: the speaker will operate continuously at any frequency within the speakers’ specified frequency range when driven at this power. The Watts rating is similar to RMS, but is really more indicative of long term thermal capability. Music Program - the speaker will safely and reliably handle the varying frequencies of musical content at this power rating.


The Music Program rating is more indicative of what you can expect in the real world with the speaker operating within the appropriate enclosure reproducing music or vocal audio program.


    Eminence is committed to quality and guarantees all of its speakers for 7 years. They build all of their speakers to greatly exceed customer performance expectations. Dollar for dollar against competitors, an Eminence speaker is well worth the money that you invest!
    About Eminence
    In 1966, Bob Gault founded what was to become the world's largest loudspeaker manufacturing company after working as an engineer for Magnavox and CTS (Chicago Telephone Supply). Ironically, Gault started Eminence hoping to maintain three 18" speakers per day, based on a commitment from Ampeg's Everett Hull. Under the leadership of Gault and most recently his son, Rob, the company's capacity has grown to over 10,000 speakers per day, employing nearly 200 people. Gault was the president of Eminence from the company's inception until 1992. He officially retired in 1993, but continued to make valuable contributions to the company. Gault passed away on Octoboer 4, 2002. he was a husband, father, and grandfather. Gault was also an avid golfer. He is greatly missed by his family, the music industry, and the Eminence community. Eminence, Kentucky (population 3000) is centrally located in the heart of Kentucky, between Louisville and Lexington, Kentucky and Cincinnati, Ohio. Bob Gault chose this location as it was ideally situated for shipping products all over the USA. The Eminence and Henry County community could also provide the labor needed to manufacture products on a large scale. After forty years, Eminence, Kentucky continues to provide ideal conditions for the manufacturing and distribution of the World's #1 Loudspeakers. The Eminence Factory
    The first Eminence facility, located in downtown Eminence, employed around thirty people. The building was less than 6,000 sq. ft. and production was often less in one week than it is in one hour at our present facility. In 1972 Eminence Speaker moved to a new location in Shawnee Industrial Park on Mulberry Pike where we remain today. The facility has seen several additions. The first building in this location was just less than 30,000 sq. ft., but now has grown to include nearly 100,000 sq. ft. all under one roof.
    How a Speaker Works
    The key working components of a loudspeaker are shown in the diagram below. When an electrical current passes through a wire coil (the voice coil) in a magnetic field, it produces a force which varies with the current applied. The cone, connected to the voice coil, moves in and out, creating waves of high and low air pressure. The coil and magnet assembly are the 'motor structure' of the loudspeaker. The movement is controlled by the loudspeaker's suspension which comprises the cone surround and the 'spider'. The surround and spider allow the coil to move freely along the axis of the magnet's core (or 'pole') without touching the sides of the magnetic gap. Eminence technology and proprietary materials mean that age-old 'compromises' of durability against sensitivity, or power handling against precision of response, are more easily solved than you might imagine. Eminence


    Heatsinks: In the quest for higher power density (more power and hence more sound from less space), Eminence has progressively introduced heatsink components to selected transducers e.g. cast frame neodymium products and Kilomax. The heatsinks pass through the pole of the transducer or are incorporated into the chassis of the loudspeaker to transfer heat away from the coil. The air currents caused by the cone movement cool the heatsink.

    warning WARNING: Cancer and Reproductive Harm -

    See all items from Eminence
    Helpful Info about the Manufacturer
    Phone:  502-845-5622 Warranty:  Warranty: 7 years

    Product Specifications

    Product Specifications


    • Nominal Basket Diameter: 12 inch, 304.8mm
    • Nominal Impedance*: 8 ohms
    • Power Rating
      • Music: Watts 150W
      • Program: n/a
    • Resonance: 97Hz
    • Usable Frequency Range: 70Hz-5kHz
    • Sensitivity***: 102
    • Magnet Weight: 59 oz.
    • Gap Height: 0.312 inch, 7.92mm
    • Voice Coil Diameter: 2 inch, 50.8mm

    Thiele & Small Parameters

    • Resonant Frequency (fs): 97Hz
    • DC Resistance (Re): 6.92
    • Coil Inductance (Le): 0.42mH
    • Mechanical Q (Qms): 14.43
    • Electromagnetic Q (Qes): 0.55
    • Total Q (Qts): 0.53
    • Compliance Equivalent Volume (Vas): 41.3 liters / 1.5 cu. ft.
    • Peak Diaphragm Displacement Volume (Vd): 43cc
    • Mechanical Compliance of Suspension (Cms): 0.10mm/N
    • BL Product (BL): 14.2 T-M
    • Diaphram Mass inc. Airload (Mms): 26 grams
    • Efficiency Bandwidth Product (EBP): 177
    • Maximum Linear Excursion (Xmax): 0.8mm
    • Surface Area of Cone (Sd): 532.4 cm2
    • Maximum Mechanical Limit (Xlim):

    Mounting Information

    • Recommended Enclosure
      • Sealed: Acceptable
      • Vented: Acceptable
    • Overall Diameter: 12.01 inch, 305.1mm
    • Baffle Hole Diameter: 10.95 inch, 278.1mm
    • Front Sealing Gasket: fitted as standard
    • Rear Sealing Gasket: fitted as standard
    • Mounting Holes Diameter: 0.25 inch, 6.4mm
    • Mounting Holes B.C. D.: 11.63 inches, 295.4mm
    • Depth: 5.2 inches, 132mm
    • Net Weight: 11.1 lbs., 5 kg
    • Shipping Weight: 12.8 lbs., 5.8 kg

    Materials of Construction

    • Coil Construction: Copper voice coil
    • Coil Former: Polyimide former
    • Magnet Composition: Ferrite magnet
    • Core Details: Non-vented core
    • Basket Materials: Pressed steel basket
    • Cone Composition: Paper Cone
    • Cone Edge Composition: Paper cone edge
    • Dustcap Composition: Zurette dust cap


    * Please consult for specifications of models with alternative impedances.

    ** Multiple units exceed published rating evaluated under EIA 426A noise source and test standard while in a free-air, non-temperature controlled environment.

    *** The average output across the usable frequency range when applying 1W/1M into the nominal impedance. Ie: 2.83V/8ohms, 4V/16ohms. Eminence response curves are measured under the following conditions: All speakers are tested at 1w/1m using a variety of test set-ups for the appropriate impedance | LMS using 0.25” supplied microphone (software calibrated) mounted 1m from wall/baffle | 2ft. X 2ft. baffle is built into the wall with the speaker mounted flush against a steel ring for minimum diffraction | Hafler P1500 Trans-Nova amplifier | 2700 cu.ft. chamber with fiberglass on all six surfaces (three with custom-made wedges).

    **** BETA 8CX, 10CX, 12CX and ACOUSTINATOR™ CX2008 are coaxial speakers with tweeter sold separately. Published Usable Frequency response contingent upon use of APT 50 HF Driver.

    Customer Reviews

    Jerry, Submitted: 2/4/2019
    Product Rating
    An excellent speaker
    Product Rating
    What is your opinion of this product?
    very full range and highly articulate. Nice lows mid and high frequencies can all be achieved from this. Cant wait to get it fully broken in!
    Steve Cook Submitted: 12/28/2018
    Product Rating
    Well worth the money.
    What is your opinion of this product?
    I paired this speaker with an Eminence Texas Heat and the sound is awesome. There is plenty of bass and the high end is sweet. I would definitely recommend this setup.
    Randy Bebich Submitted: 8/2/2018
    Product Rating
    What is your opinion of this product?
    Pat Submitted: 7/21/2018
    Product Rating
    I love this speaker.
    What is your opinion of this product?
    I did some research and honestly it was a toss up between this, the Gov and the Texas Heat. But man, I'm glad I got this. It's fat and rounded but it has enough clarity to prevent things getting muddy. I mostly play metal, and this covers all my bases. Killer speaker, especially for the price
    Jim Submitted: 1/26/2016
    Product Rating
    Exactly what I was looking for.
    What is your opinion of this product?
    The speakers are well built, heavy duty construction and Sound so thick and clear... The difference in sound quality is amazing compared to the stock speakers that came in my cab. Great for any style of playing, but especially perfect for the modern rock/ hard rock sound. All tones of Distortion comes through these speakers so tight and clear. Really allows you to dial in that perfect rock tone... We will see how long they hold up to full time gig use. But I think they are the last speakers I will ever need...


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