Sundown Audio SA Classic 12 Zoll 12" (30cm) Subwoofer

Name: Sundown Audio SA Classic 12 Inch 12 Inch Subwoofer | Masori
Brand: Sundown Audio
Price: 381.65 EUR
Availability: OutOfStock

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Sundown Audio SA Classic 12 Zoll 12" (30cm) Subwoofer

SA Classic 12" subwoofer, 750W RMS, 19mm Xmax.
Nomex spider, SPL paper membrane, aluminum Faraday ring.
Recommended enclosure: closed 28L, bass reflex 50L.
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Impedance: D2 (2x2 Ohm)

D2 (2x2 Ohm)
D4 (2x4 Ohm)

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SA Classic 12 Zoll by Sundown Audio

During the development of the SA Series, which includes the Sundown Audio SA Classic 12 inch subwoofer, Sundown Audio started with an FEA-optimized motor and coil design that allows for a 19 mm verified one-way Klippel excursion and just over 33 mm x-mech. This motor and coil construction was then combined with an extremely robust dual-layer Nomex spider with fully bonded "XL" leads (84 strands), a competition-grade SPL paper cone, and a strong foam surround. The motor also features a large magnet ID shorting ring (Faraday ring) to reduce distortion from inductance and inductance variation over excursion.

Features

Xmax = 19mm one-way at 70% BL
RMS Power = 750-Watt
Vented magnet gap
Optimized high-speed pole venting
Innovative vented high-speed frame spacer ring
2.5 inch black aluminum voice coil former for excellent heat dissipation
High temperature copper voice coil wire
Large aluminum Faraday ring (magnet ID)
Spring-loaded terminal posts
Sewn "XL" tinsel leads to prevent fatigue and failure
High-strength cast aluminum frame
Optimized for small sealed and bandpass enclosures
These features together create the optimized coil ventilation system.

Technical Data

T/S SPECIFICATIONS SA CLASSIC 12 inch D2

RE (Ohm) 4.57
FS (Hz) 33.71
VAS (L) 21.21
Qes 0.58
Qms 5.34
Qts 0.52
Le (mH) 3.40
BL (NA) 21.64
Mms (grams) 280
Cms (uM/N) 79.43
Sensitivity (dB @ 1w/1m) 83.21

T/S SPECIFICATIONS SA CLASSIC 12 inch D4

RE (Ohm) 7.07
FS (Hz) 33.96
VAS (L) 24.63
Qes 0.55
Qms 5.15
Qts 0.49
Le (mH) 4.84
BL (NA) 25.67
Mms (grams) 237
Cms (uM/N) 92.27
Sensitivity (dB @ 1w/1m) 84.22

Sealed enclosure 28 liters
Vented enclosure 50 liters

Recommended tuning 35Hz
Recommended port area 170cm²

Depth 16.5cm
Outer diameter 32cm
Cutout 28.2cm

Frequent questions about SA Classic 12 Zoll

Welche Thiele Small Parameter hat der Sundown Audio SA Classic 12"?

The Thiele Small parameters of the SA Classic 12" subwoofer vary depending on the model D2 or D4. For the D2 variant, the RE is 4.57 Ohms, FS is 33.71 Hz, and VAS is 21.21 liters. The Qes value is 0.58, Qms is 5.34, and Qts is 0.52, while Le is 3.40 mH. For the D4 model, the parameters are RE 7.07 Ohms, FS 33.96 Hz, and VAS 24.63 liters. The Qes is 0.55, Qms is 5.15, and Qts is 0.49, with Le amounting to 4.84 mH. Mms for D2 is 280 grams and for D4 is 237 grams.

Wie hoch ist die RMS Leistung des SA Classic 12"?

The Sundown Audio SA Classic 12" has an RMS power of 750 watts. This means it can continuously handle this power without overheating or sustaining damage. This high RMS power makes it suitable for intense bass applications and allows for strong bass reproduction in more compact enclosures. The ventilated magnetic gap and optimized high-speed pole provide efficient cooling, further stabilizing performance. RMS power gives you a good impression of how much power you can expect losslessly and without distortion.

Welche technischen Besonderheiten hat der SA Classic 12" Motor?

The motor of the Sundown Audio SA Classic 12" is FEA-optimized and features a Faraday ring that minimizes distortion due to inductance. The motor was designed for a verified one-way Klippel excursion of 19 mm and an x-mech of just over 33 mm. This design ensures that the subwoofer operates stably even at high power and reduces distortion to a minimum. The combined properties of the dual Nomex spider and the SPL paper cone provide robust performance under intense use.

Wie wird der SA Classic 12" im Auto installiert?

The installation of the Sundown Audio SA Classic 12" requires a enclosure that is optimally matched to its dimensions. A sealed enclosure of 28 liters or a bass reflex enclosure of 50 liters is recommended, the latter tuned to 35 Hz. The outer diameter is 32 cm and the cutout is 28.2 cm with a depth of 16.5 cm. Make sure that the enclosure is well-sized so that the subwoofer can fully unleash its bass potential. The spring-loaded terminal connectors significantly facilitate the installation.

Welche Materialien werden im SA Classic 12" verwendet?

The Sundown Audio SA Classic 12" relies on well-thought-out materials to guarantee performance and durability. The voice coil is made of high-temperature resistant copper wire and is wound on a 2.5" voice coil former made of black aluminum, which ensures excellent heat dissipation. The diaphragm is made of SPL paper in competition quality, while the double-layer Nomex spider supports stability. Notable features include the aluminum magnet ID, which reduces distortion and enhances the listening experience. This selection of materials complements each other ideally for a balanced sound profile.

Wie sind die Belüftungsmöglichkeiten des SA Classic 12" gestaltet?

The Sundown Audio SA Classic 12" features a complex ventilation system that maximizes durability and performance. The ventilated high-speed voice coil vent ensures effective cooling of the coil, even under intense operating conditions. This is complemented by an optimized high-speed frame spacer and a ventilated magnetic gap, which ensure optimal air circulation. This advanced ventilation combination allows the subwoofer to operate at high levels without overheating, which is particularly beneficial for heavy bass passages in a small sealed or bandpass enclosure.

Welche Impedanzoptionen bietet der Sundown Audio SA Classic 12"?

The Sundown Audio SA Classic 12" is available in two impedance options: D2 and D4. The D2 model has an impedance of 4.57 ohms, while the D4 model has an impedance of 7.07 ohms. These impedance options allow for flexible integration into existing audio systems, depending on the requirements for the overall impedance of the system. Choosing the right impedance is essential to extract maximum performance from the amplifier and ensure efficient energy transfer.

Wie beeinflusst der Faraday-Ring im SA Classic 12" den Klang?

The Faraday ring in the Sundown Audio SA Classic 12" plays a crucial role in controlling distortion, especially at high operating temperatures. The ring effectively reduces fluctuations in induction that could otherwise lead to sound distortions. The result is a clearer sound output with improved detail fidelity. This feature is particularly advantageous in complex musical structures or at high volumes, leading to a more even and authentic bass sound experience by minimizing distortions and inductive influences.

Welche Gehäuseoptionen eignen sich für den SA Classic 12"?

The Sundown Audio SA Classic 12" is designed for optimal performance in different enclosure types. A sealed enclosure with a volume of 28 liters and a bass reflex enclosure of 50 liters, tuned to a frequency of 35 Hz, are recommended. In addition to choosing the right type of enclosure, the correct tuning of the bass reflex ports also plays an important role in minimizing distortion and achieving a rich, deep bass. The connection area should be around 170cm² to optimize airflow and maximize performance.

Welche Frequenzgänge deckt der SA Classic 12" ab?

The Sundown Audio SA Classic 12" subwoofer is designed to cover a wide frequency range, particularly focused on low bass frequencies. With an FS value between 33.71 Hz and 33.96 Hz, it delivers deep and powerful bass, ideal for music styles that require intense low-frequency reproduction. However, the exact frequency coverage depends on the choice of enclosure and its tuning, allowing for precise nuances in the bass range to be articulated. This aspect makes it a versatile sound converter for a variety of sound demands.

Herstellerinformation/verantwortliche Person

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

Contact: jakobrainer@jr-labs.eu

Let customers speak for us

from 9059 reviews

Jean François Tedesco

Alpine tube 12 bazooka , Un sacré caisson de basses ,

Un sacré caisson de basses , j'ai eu un 46 cm killer 454 de l'époque année 90 , qui tapait vraiment bien , mais ce tube est bien plus fort et plus ample, toutes les basses passent sans problème, avec une télécommande à réglage multiples taramps eq bass , et un ampli Machete de masori , le couple est parfait, personnellement j'en ai deux tubes et ça donne énormément, avec l'ampli 2 x 530 en 4 ohms . Parfois le plus simple est bien meilleur et plus durable .

SWT-12S4

11/29/2025

Bartosz Erber

X-10 v3 d2

Hallo. Sehr freundlicher Kundenservice und schnelle Auftragsabwicklung. Der Lautsprecher ist brandneu und unbenutzt. Ich habe ihn vor einiger Zeit gekauft, aber erst kürzlich das Gehäuse fertiggestellt. Die Parameter entsprechen den Herstellerangaben: 42,5 Liter Nettovolumen, abgestimmt auf 32 Hz und 21 mm starkes Sperrholz. Ich hatte noch nie einen 10-Zoll-Lautsprecher und wusste nicht, was mich erwartet, aber das Ergebnis hat meine kühnsten Erwartungen übertroffen. Der Bass aus einem so kleinen Lautsprecher in einem so kleinen Gehäuse ist einfach unglaublich. Um den X-10 zu kaufen, habe ich meinen DD 712f in einem 70-Liter-Gehäuse verkauft, und der war ein Volltreffer. Der Sundown ist in jeder Hinsicht besser. Ich kann diesen Lautsprecher und den Händler, bei dem ich ihn gekauft habe, wärmstens empfehlen. Beste Grüße.

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11/18/2025

tatazz

Est arrivé à la maison très rapidement

Est arrivé à la maison très rapidement 👌🏽

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Anonym

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Geht echt gut und leicht zum einstellen

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Georges, Alexander, Vainohoarii NAGLE

Très satisfaisant.

Bonjour, je reçu le colis bien emballé.
Je recommande vivement, la livraison est gratuite et rapide, je recommanderai sûrement encore chez Masori.

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11/10/2025

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Bought again

Bought again. Great price, fast delivery, nice !

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Perfect sound, I bough 2 pairs for the door and

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Top Upgrade für Canton System

Ich habe den Woofer in meinem Skoda Octavia 3 mit Canton Soundsystem eingebaut.
Der Einbau war Plug & Play, alles passt perfekt ohne Anpassungen.
Im Vergleich zum originalen Canton Subwoofer spielt dieser deutlich stärker, präziser und mit mehr Druck.
Ich kann den Woofer jedem empfehlen, der mehr Bass aus dem Canton-System herausholen möchte – lohnt sich absolut!

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