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Sundown Audio

E12 v.4

12" (30cm) Subwoofer

255,25€
305,00€ 255,25€
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incl. VAT , possibly plus shipping

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Highlights

  • 500 watts RMS, 14 mm Xmax, 2" voice coil.
  • Aluminum voice coil former, 4-layer copper wire.
  • Optimized for bass reflex enclosures, 30 cm subwoofer.
Impedance: D2 (2x2 Ohm)
Seen more cheaply Personal Offer
brand: Sundown Audio
Delivery time:
Available for delivery in 1-4 days
Number:
Piece
Watt RMS:
500
Subwoofer Type:
ferrite
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Sundown Audio-E12 v.4-12" (30cm) Subwoofer-masori-kaufen
255,25€
305,00€ 255,25€

The Sundown Audio E12 v.4 redefines the entry-level class of subwoofers and sets new standards. The Sundown Audio E12 v.4 has an XMAX of 14 per direction and a large 2" voice coil. These values are typically not found in this price range! The centering spider itself is made from a high-strength poly-cotton blend designed for the full capacity of the motor. To achieve an additional degree of robustness, the centering spider is screwed and glued to the frame, further enhancing durability and sturdiness. Additionally, the Sundown Audio E12 v.4 features a high-strength stamped steel frame. Combined with a motor ventilation system based on the SA series and the new, larger voice coil, the third generation of the E series boasts a heat capacity unprecedented in this subwoofer class.

features

  • 12" (30cm) Subwoofer
  • Xmax = 14 mm in one direction
  • Impedance: D2 or D4
  • RMS power = 500 watts
  • Black 2-inch swing coil holder made of aluminum for excellent heat dissipation
  • 4-layer high-temperature copper oscillation coil wire
  • Spring-loaded terminals
  • Sewn-on "Mini-XL" ribbons to prevent fatigue
  • Frame made of high-strength stamped steel
  • Optimized for bass reflex enclosures

Parameter

T/S SPECS EV4 12" D2 EV4 12" D4
RE (OHMS) 4.0 6.1
FS (HZ) 32.4 36.6
VAS (L) 38.5 30.8
QES 0.41 0.53
QMS 3.90 4.58
QTS 0.37 0.47
LE (MH) 2.55 3.59
BL (NA) 21.4 24.4
MMS (GRAMS) 228.3 224.0
CMS (UM/N) 0.11 0.08
SENS (DB @ 1W/1M) 86.9 86.4

Case recommendation:

  • Closed housing: Not recommended
  • Bass reflex enclosure: 35 liters
  • Recommended tuning: 35Hz
  • Recommended port area: 120cm²
  • Displacement: 3.8 liters

Dimensions

  • Depth: 16.28cm
  • Outer diameter: 30.2cm
  • Installation diameter: 28.1cm
The E12 v.4 from Sundown Audio is an entry-level subwoofer that sets innovative standards with a 12-inch diameter. It has an XMAX of 14 mm per direction and features a high-temperature resistant 2-inch aluminum voice coil that ensures excellent heat dissipation. The impedance options are D2 or D4. The subwoofer offers an RMS power of 500 watts and includes spring-loaded terminals and sewn mini-XL wires to enhance durability. With a high-strength stamped steel frame and optimized parameters for bass reflex enclosures, the E12 v.4 focuses on maximum stability and performance.
The motor ventilation system of the E12 v.4 was developed based on the SA series from Sundown Audio. This system is designed to efficiently manage the temperature of the voice coil by significantly improving heat dissipation. The ventilation, combined with the robust aluminum voice coil, enables an exceptional heat capacity that has never been seen in this subwoofer class. This is particularly important for the long-term operational safety and reliability of the subwoofer at high power. This ensures that performance remains optimal at all times without overheating damage.
For the Sundown Audio E12 v.4, some Thiele-Small parameters are particularly relevant: The RE value is either 4.0 Ohms for the D2 subwoofer or 6.1 Ohms for the D4. The resonance frequency (FS) is 32.4 Hz or 36.6 Hz. The VAS value corresponds to 38.5 liters or 30.8 liters. The QES value is 0.41 or 0.53, and the QTS value is specified as 0.37 or 0.47. The voice coil inductance (LE) is 2.55 mH or 3.59 mH. These values significantly influence the sound and performance characteristics and assist in optimal tuning in the enclosure.
When installing the Sundown Audio E12 v.4 in the vehicle, the dimensions should primarily be considered. The outer diameter is 30.2 cm, the cutout diameter is 28.1 cm, and the mounting depth is 16.28 cm. These measurements are crucial for choosing the installation location. The subwoofer is designed for bass reflex enclosures, with a recommended volume of 35 liters and a tuning frequency of 35 Hz. The port area should be 120 cm². Proper alignment and installation ensure that the subwoofer can reach its full potential.
The Sundown Audio E12 v.4 subwoofer is fundamentally compatible with a variety of vehicles due to its design, provided that the enclosure parameters are taken into account. With its average dimensions of 30.2 cm outer diameter and 16.28 cm depth, it fits into many trunk and seat luggage solutions. It is essential that the vehicle offers sufficient space for the recommended bass reflex enclosure to maximize quality and performance. Without specific brand or model specifications, individual customization is required depending on the vehicle.
The voice coil in the Sundown Audio E12 v.4 subwoofer is specifically designed to effectively dissipate heat. It is made from a black 2-inch aluminum voice coil former, which excels at heat dissipation due to its material properties. The high-temperature copper wire is wound in four layers, which not only contributes to mechanical stability but also increases the heat capacity during intense operating conditions. These technical features prevent overheating and extend the lifespan of the subwoofer, especially when it is operated at high volume.
For the Sundown Audio E12 v.4 subwoofer, a bass reflex enclosure is recommended to ensure optimal performance. Sealed enclosures are not recommended as they do not provide the necessary conditions for the specific tuning of the subwoofer. A volume of 35 liters with a tuning of 35 Hz and a port area of 120 cm² is ideal. This configuration supports the parameters specified by the manufacturer and maximizes bass output while maintaining clarity and efficiency of the subwoofer. It ensures that the subwoofer delivers clean and precise bass even at higher levels.
Yes, the Sundown Audio E12 v.4 specifically uses certain components to increase structural strength and durability. The frame is made of high-strength stamped steel, which ensures excellent stability and longevity. The centering spider is made of a high-strength poly-cotton blend and is both glued and screwed to the frame to ensure maximum hold and robustness. This combination allows for significant load capacity without the risk of deformation and provides high reliability both during short-term load spikes and in continuous operation.
The Sundown Audio E12 v.4 clearly stands out from other subwoofers in its class due to its technical specifications. With a diameter of 12 inches, an XMAX of 14 mm in each direction, and the innovative 2-inch aluminum voice coil, it offers advanced performance features that are typically found in higher price ranges. These include a complete motor ventilation system based on the SA series and optimized Thiele-Small parameters for bass reflex enclosures. These features allow for higher heat dissipation and power output that are otherwise not found in this subwoofer category.
The Sundown Audio E12 v.4 offers specific Thiele-Small parameters for the D2 and D4 variants: The RE value is 4.0 Ohm for D2 and 6.1 Ohm for D4. The resonance frequency (FS) is 32.4 Hz for D2 and 36.6 Hz for D4. The compliance (VAS) is 38.5 liters for D2 and 30.8 liters for D4. The quality factors QES and QTS are specified as 0.41 and 0.37 for D2, and 0.53 and 0.47 for D4. These parameters are crucial for the type of enclosure and significantly influence the bass quality and performance of the subwoofer.

JR Labs
Rainer Jakob
Heinrich-Hertz-Straße 13 A
46325 Borken
Germany

Contact: jakobrainer@jr-labs.eu

Product Specifications

Manufacturer

Sundown Audio

Product type

12" (30cm) subwoofer

Features

  • Highlights

    • 500 watts RMS, 14 mm Xmax, 2" voice coil.
    • Aluminum voice coil former, 4-layer copper wire.
    • Optimized for bass reflex enclosures, 30 cm subwoofer.

  • Uvp

    304.99

weight

8.7 kg

Watt RMS Load Capacity

500

configurators

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Your advantages with Masori

Buy Sundown Audio E12 v.4 online at masori.de

Among entry-level subwoofers, the Sundown Audio E12 v.4 stands out with its outstanding specifications. With a remarkable Xmax of 14 mm per direction, this model offers impressive bass performance rarely found in this price range. A 2-inch voice coil ensures outstanding heat dissipation and efficiency. The model boasts an RMS power of 500 watts and a selectable impedance of either D2 or D4. A high-strength poly-cotton blend in the spider increases durability. With the Masori Lowest Price Guarantee, you can be sure you're getting the best deal without having to compromise.

Technical performance of the Sundown Audio E12 v.4 subwoofer precisely explained

The Sundown Audio E12 v.4 boasts a 14 mm Xmax, delivering exceptional bass and sound pressure. This value is considered above average for subwoofers in its category, enabling more precise bass reproduction and preventing distortion even at high volumes. A higher Xmax would theoretically provide even more bass punch, but could compromise controllability and durability. This balance makes the E12 v.4 an excellent choice for bass enthusiasts in the car hi-fi segment.

Voice coil and heat dissipation: Optimal performance thanks to aluminum

The 2-inch aluminum voice coil is a key feature of the Sundown Audio E12 v.4. Aluminum offers excellent thermal conductivity, which, combined with the 4-layer high-temperature copper voice coil wire, results in optimal heat dissipation. Efficient heat dissipation is crucial to minimize thermal compression and maintain the subwoofer's overall performance at a high level. A larger or less efficiently constructed voice coil could lead to overheating and ultimately performance degradation.

Impedance options D2 and D4 in comparison

The Sundown Audio E12 v.4 is available with dual impedance D2 or D4, providing configuration flexibility. A D2 option is ideal for parallel wiring to achieve a lower overall system impedance, potentially allowing an amplifier to deliver more power. Conversely, a D4 option can be used in a series configuration for higher impedance, placing more favorable demands on the amplifier. This versatility allows for seamless adaptation to individual system requirements.

Poly-cotton blend spider: robustness and durability

The Sundown Audio E12 v.4's poly-cotton blend spider is engineered to support the full capacity of the motor, resulting in impressive robustness. This material combination offers an excellent balance between strength and flexibility, keeping the subwoofer's motion system stable yet responsive. A less robust spider could result in reduced cone controllability, causing distortion at high volumes.

Thiele-Small parameters as performance indicators of the Sundown Audio E12 v.4

The Thiele-Small parameters of the Sundown Audio E12 v.4 provide deeper insight into its performance capabilities. The high BL value of up to 24.4 creates a stronger magnetic drive, resulting in better bass reproduction efficiency. A Qts of 0.37 to 0.47 indicates that the subwoofer is optimally tuned for applications in bass-reflex enclosures. The resonance frequencies (Fs) of 32.4 Hz to 36.6 Hz are ideal for deep, powerful bass reproduction.

Frame made of high-strength steel: The stable body for maximum load capacity

The E12 v.4's frame is constructed of stamped steel for added strength and durability. This construction resists the mechanical stresses that can occur during intense bass exposure, ensuring the subwoofer retains its shape under all conditions. A poorly constructed frame could warp under heavy use, compromising audio output. The robust frame provides solid support for the subwoofer's electronics and mechanics.

Frequency response of the Sundown Audio E12 v.4 and application area

The Sundown Audio E12 v.4 is primarily optimized for bass reflex enclosures. With a recommended bass reflex enclosure volume of 35 liters and a frequency response of 35 Hz, it offers first-class bass reproduction. The recommended port area of ​​120 cm² allows for balanced airflow, minimizing distortion and maintaining a smooth frequency response. Closed-cabinet designs, however, are not recommended, as they could limit the bass impact and prevent the E12 v.4 from taking full advantage of its optimized parameters.

Design and specific mounting details for the Sundown Audio E12 v.4

With a mounting depth of 16.28 cm and an outer diameter of 30.2 cm, the Sundown Audio E12 v.4 can be integrated into a wide variety of enclosure concepts. Its mounting diameter of 28.1 cm ensures solid fixation, which is crucial for optimized mechanical stability in mobile applications. The frame displacement of just 3.8 liters supports adaptation to individual enclosure configurations and removes minimal internal space to maintain the functionality of a compact yet powerful sound system.

Installation and support for the Sundown Audio E12 v.4 at masori.de

Masori.de not only offers the opportunity to purchase the Sundown Audio E12 v.4 at a reasonable price, but also supports professional installation. With our on-site installation in Frankfurt (Oder), you can rely on professional installation. Furthermore, our expert support (FAQ & Help) offers personalized advice and support. The audio blog regularly provides updates on subwoofer settings and setup options, allowing you to enjoy the system to the fullest and benefit from expert knowledge.