3. U-Series v.2 12 Zoll

U-Series v.2 12 Zoll

1750 Watt

U-Series v.2 12 Zoll

Technical Highlights

  • 1750W RMS power, 2 or 4 Ohm impedance options, BL 27.3.
  • Aluminum 3-inch voice coil, FS at 41.3 Hz, Qts at 0.44.
  • VAS 14.8 L, sensitivity 85.2 dB, Xmax 30 mm for deep bass.
  • More technical details
€1,059.00
€1,059.00 €1,059.00
2% discount with credit card

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ProductU-Series v.2 12 Zoll · D1 (2x1 Ohm)

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Impedance: D1 (2x1 Ohm)
Estimated delivery: Sep 21–Sep 24.
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Sundown Audio-U-Series v.2 12 Zoll-12" (30cm) Subwoofer-masori-kaufen
€1,059.00
€1,059.00 €1,059.00

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Discover the U-Series v.2 12 inch subwoofer from Sundown Audio – a powerful 30 cm subwoofer that impresses with an impressive 1750 watts RMS. Equipped with dual voice coils, selectable between 2 or 4 ohms, it is specially optimized for compact bass reflex or bandpass enclosures. Its 3-inch aluminum voice coil ensures excellent heat dissipation, while the robust construction with double-stitched surround and a cast basket stands for durability. Additional features such as 8-gauge spring terminals and rear gap ventilation support strong performance.

Features

  • RMS 1750 watts
  • Dual voice coils with 2 or 4 ohms
  • Optimized for small bass reflex or bandpass enclosures
  • 3-inch aluminum voice coil former for excellent heat dissipation
  • High-temperature copper voice coil
  • Double-stitched surround
  • Heavy-duty cast basket
  • Spring terminals for cables up to 8 gauge
  • Sewn-in, heavy-duty tinsel leads
  • Massive pole with ventilation channels and aluminum shorting ring cap
  • Rear gap ventilation
  • Cooling channels in the top plate

Parameters

T/S SPECS UV.2 12 inch D2 UV.2 12 inch D4
RE (Ohms) 3.8407 6.0577
FS (Hz) 41.3260 41.9087
VAS (L) 14.7612 14.7535
Qes 0.4862 0.5870
Qms 4.7454 4.9022
Qts 0.4410 0.5242
Le (mH) 3.1858 4.3694
BL (NA) 27.2694 31.1265
Mms (Grams) 358.6438 356.5462
Cms (uM/N) 40.4709 40.4498
Sens (dB @ 1w/1m) 85.1980 84.4191
Xmax 30mm 30mm

Frequently Asked Questions about U-Series v.2 12 Zoll

How powerful is the Sundown Audio U-Series v.2 12-inch Subwoofer?

The Sundown Audio U-Series v.2 12-inch Subwoofer delivers an impressive power of 1750 Watts RMS. This high performance ensures excellent sound quality even in demanding applications. With dual voice coils that can be configured in 2 or 4 Ohm, versatile adaptation to different amplifier setups is possible. The aluminum voice coil former optimizes heat dissipation and increases efficiency at maximum volume. The double-stitched surround and the high-strength cast basket provide a robust construction that can withstand intense sound demands.

What are the advantages and disadvantages of the subwoofer's dual voice coils?

The use of dual voice coils with 2 or 4 Ohm in the Sundown Audio U-Series v.2 Subwoofer allows for flexible impedance adjustment to various amplifier combinations. Advantages of this design include the increased ability to wire the subwoofer in parallel or series, enhancing compatibility with many different amplifiers. The main advantage lies in the subwoofer's adaptability to different audio setups. However, this flexibility requires a precise understanding of electrical configurations to avoid unwanted connections that could impair audio performance.

How important is heat dissipation in the Sundown Audio U-Series v.2 Subwoofer?

Heat dissipation is crucial in the Sundown Audio U-Series v.2 Subwoofer. Equipped with a 3-inch aluminum voice coil, the subwoofer offers excellent heat management. Especially during intense use and high power demands, heat generation is a critical factor that can affect performance. The rear venting and additional cooling channels in the top plate significantly contribute to maintaining a stable operating temperature, preventing overheating and ensuring consistent sound quality.

What advantages do the technical T/S parameters of the subwoofer offer?

The T/S parameters of the Sundown Audio U-Series v.2 Subwoofers, such as Qts and Fs, are closely related to sound quality and adaptability in various enclosures. A Qts of 0.4410 for the D2 version allows for adjustment to transmission-line and bass-reflex enclosures. The Fs value of 41.3260 Hz defines the resonance frequency, which supports deep bass capabilities and sensitivity at low frequencies. These parameters are crucial when choosing an enclosure and significantly determine the sound character. A low sensitivity value, such as 85.1980 dB, also affects overall performance.

What role does the cast basket play in the construction of the subwoofer?

The high-load cast basket of the Sundown Audio U-Series v.2 Subwoofer provides stability and reduces unwanted resonances. A massive pole with ventilation openings contributes to structural integrity by accelerating heat dissipation. Especially at high sound levels, it is important that the material minimizes vibrations to ensure clean and distortion-free playback. The cast basket forms a strong base that withstands intense mechanical demands while promoting acoustic precision.

What cable diameter is suitable for the 8-gauge spring terminals?

The 8-gauge spring terminals on the Sundown Audio U-Series v.2 Subwoofer are designed for cable diameters up to 8 gauge (approximately 8.37 mm²). These terminals provide sufficient capacity for thicker cable cross-sections needed in high-quality car audio installations to minimize power loss. Larger cable cross-sections help maintain a more stable signal transmission, especially under high power demands like in high-power operation. A reliable electrical connection is ensured by the spring terminals, which allow for easy connection and disconnection of wiring.

Is the Sundown Audio U-Series v.2 12-inch subwoofer compatible with my car?

The installation compatibility of the Sundown Audio U-Series v.2 Subwoofer largely depends on the specific dimensions of the available installation space. The optimized designs for smaller bass-reflex or bandpass enclosures allow for flexible installation options. Technicians and audio enthusiasts should carefully check the dimensions of the respective vehicle space to ensure a proper installation. The shape and size of the enclosure are crucial to achieving optimal performance without limitations. Accurate measurement and planning before installation are essential for full sound development.

What is the function of the sewn high-load wires?

The sewn, high-load wires in the Sundown Audio U-Series v.2 Subwoofer ensure reliable electrical connections. These special wires are optimized to carry high currents without sacrificing flexibility or durability. Especially under intense vibrations and significant mechanical stress that can occur in modern subwoofer setups, they provide the necessary stability to avoid signal loss. The design prevents the wires from sagging or being damaged during active operation, ensuring that the full power of the subwoofer can be accessed at all times.

How does the rear slot ventilation support subwoofer performance?

The rear slot ventilation of the Sundown Audio U-Series v.2 Subwoofer plays a crucial role in thermal control. By improving airflow within the magnetic gap, heat is efficiently dissipated. This technique is particularly important when the subwoofer is operated in a compact enclosure, where the ventilation area may be limited. Efficient heat dissipation prevents overheating and ensures the constant high performance of the subwoofer. The function of the aluminum short-circuit ring supports this process through additional heat dissipation effects.

Why are the parameter specifications so important for choosing the enclosure?

The parameter specifications of the Sundown Audio U-Series v.2 Subwoofer, such as Vas, Qts, and the resonance frequency, are crucial for selecting the appropriate enclosure. The Vas value of 14.7612 liters, for example, indicates how much air volume is needed to achieve optimal acoustic performance. Qts and Fs values help in deciding between sealed, bass reflex, or bandpass enclosures, as they significantly influence efficiency and bass reproduction capability. These parameters are highly relevant when planning a speaker system, as neglecting them can lead to suboptimal acoustic results.

Manufacturer information/responsible person

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

Contact: jakobrainer@jr-labs.eu

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