JBL W12GTi MKII

The JBL W12GTi MKII is a high-performance subwoofer that delivers powerful bass response and accurate sound reproduction. It features a 12-inch PolyPlas cone woofer with a die-cast aluminum frame, a dual-spider suspension, and a high-roll surround for enhanced durability and excursion. The woofer is driven by a 600-watt peak power amplifier, providing ample power to handle demanding basslines and soundtracks.

The JBL W12GTi MKII is equipped with a variety of features that enhance its performance and versatility. It has a variable low-pass filter (50-150 Hz) for precise bass tuning, a phase switch (0/180 degrees) for aligning the subwoofer with other speakers in a system, and an input level control for matching the subwoofer’s output to the rest of the system.

In this review, we will take a closer look at the JBL W12GTi MKII’s features, performance, and overall value. We will also provide some tips on how to get the most out of this subwoofer in different applications.

JBL W12GTi Mkii

The JBL W12GTi Mkii is a high-performance subwoofer that delivers powerful bass response and accurate sound reproduction. Here are six key features that make it stand out:

• 12-inch PolyPlas cone woofer for deep, powerful bass
• Die-cast aluminum frame for rigidity and durability
• Dual-spider suspension for increased linearity and excursion
• 600-watt peak power amplifier for ample headroom
• Variable low-pass filter (50-150Hz) for precise bass tuning
• Phase switch (0/180 degrees) for aligning the subwoofer with other speakers

These features combine to make the JBL W12GTi Mkii a versatile and high-performing subwoofer that is suitable for a wide range of applications, from home theater to car audio.

12-inch PolyPlas cone woofer for deep, powerful bass

The JBL W12GTi MKII’s 12-inch PolyPlas cone woofer is designed to deliver deep, powerful bass response with minimal distortion. PolyPlas is a lightweight and rigid material that is able to move quickly and accurately, resulting in tight and controlled bass. The woofer is also equipped with a die-cast aluminum frame, which provides a solid foundation for the woofer and helps to reduce vibrations.

The dual-spider suspension system helps to keep the woofer cone centered and moving in a linear fashion, even at high excursion levels. This results in improved linearity and reduced distortion, especially at high volumes. The high-roll surround allows for greater excursion, which further enhances the subwoofer’s ability to reproduce deep bass frequencies.

The combination of the PolyPlas cone, die-cast aluminum frame, dual-spider suspension, and high-roll surround results in a woofer that is capable of delivering deep, powerful bass with minimal distortion. This makes the JBL W12GTi MKII an excellent choice for those who demand the best possible bass performance from their subwoofer.

In addition to its excellent performance, the JBL W12GTi MKII’s woofer is also very durable. The PolyPlas cone is resistant to tearing and wear, and the die-cast aluminum frame provides excellent protection for the woofer’s internal components. This makes the W12GTi MKII a good choice for use in demanding applications, such as car audio or home theater systems.

Die-cast aluminum frame for rigidity and durability

The JBL W12GTi MKII’s die-cast aluminum frame provides a solid foundation for the woofer and helps to reduce vibrations. Die-casting is a manufacturing process that involves forcing molten aluminum into a mold under high pressure. This results in a frame that is both strong and lightweight.

The die-cast aluminum frame provides several benefits for the W12GTi MKII. First, it helps to keep the woofer cone centered and moving in a linear fashion, even at high excursion levels. This results in improved linearity and reduced distortion, especially at high volumes.

Second, the die-cast aluminum frame helps to reduce vibrations. This is important because vibrations can cause the woofer cone to move in an erratic manner, which can lead to distortion. The die-cast aluminum frame helps to keep the woofer cone stable and prevents it from vibrating excessively.

Third, the die-cast aluminum frame helps to protect the woofer’s internal components. The frame is designed to withstand high levels of stress and衝撃, which helps to protect the woofer from damage.

Overall, the die-cast aluminum frame is an important part of the JBL W12GTi MKII’s design. It provides a solid foundation for the woofer, helps to reduce vibrations, and protects the woofer’s internal components. This makes the W12GTi MKII a durable and reliable subwoofer that is capable of delivering high-quality bass performance for many years to come.

Dual-spider suspension for increased linearity and excursion

The JBL W12GTi MKII’s dual-spider suspension system helps to keep the woofer cone centered and moving in a linear fashion, even at high excursion levels. This results in improved linearity and reduced distortion, especially at high volumes.

• Linearity: The dual-spider suspension system helps to keep the woofer cone moving in a straight line, even when it is moving at high excursion levels. This results in improved linearity, which means that the woofer will reproduce sound more accurately, without adding any unwanted distortion.
• Excursion: The dual-spider suspension system also allows the woofer cone to move more freely, which results in increased excursion. This means that the woofer can reproduce lower frequencies with greater accuracy and depth.
• Reduced distortion: The combination of linearity and increased excursion results in reduced distortion. This is because the woofer is able to move more freely and accurately, which reduces the amount of distortion that is created.
• Improved sound quality: The overall result of the dual-spider suspension system is improved sound quality. The woofer is able to reproduce sound more accurately, with less distortion, which results in a more enjoyable listening experience.

Overall, the dual-spider suspension system is an important part of the JBL W12GTi MKII’s design. It helps to improve linearity, increase excursion, and reduce distortion, all of which result in improved sound quality.

600-watt peak power amplifier for ample headroom

The JBL W12GTi MKII is powered by a 600-watt peak power amplifier, which provides ample headroom for even the most demanding basslines and soundtracks. Headroom is the difference between the amplifier’s maximum power output and the average power output required to drive the subwoofer at a given volume level.

• Increased dynamic range: Ample headroom allows the amplifier to reproduce a wider dynamic range, which means that it can faithfully reproduce both the softest and loudest passages of music without clipping or distortion.
• Improved transient response: Headroom also improves the amplifier’s transient response, which is its ability to accurately reproduce sudden changes in volume. This results in a more realistic and engaging listening experience.
• Reduced distortion: When an amplifier is operating at or near its maximum power output, it is more likely to produce distortion. Ample headroom allows the amplifier to operate well below its maximum power output, which reduces distortion and improves sound quality.
• Increased reliability: Operating an amplifier at or near its maximum power output can also reduce its reliability. Ample headroom allows the amplifier to operate more conservatively, which increases its lifespan.

Overall, the JBL W12GTi MKII’s 600-watt peak power amplifier provides ample headroom for even the most demanding applications. This results in increased dynamic range, improved transient response, reduced distortion, and increased reliability.

Variable low-pass filter (50-150Hz) for precise bass tuning

The JBL W12GTi MKII features a variable low-pass filter (50-150Hz) that allows you to precisely tune the subwoofer’s output to match your system and your listening preferences. A low-pass filter is a type of electronic filter that allows low-frequency signals to pass through while attenuating high-frequency signals.

• Tailored bass response: The variable low-pass filter allows you to tailor the subwoofer’s bass response to match your system and your listening preferences. For example, if you are using the subwoofer in a home theater system, you can set the low-pass filter to a lower frequency (50-80Hz) to emphasize the deep bass frequencies that are common in movie soundtracks. If you are using the subwoofer in a car audio system, you can set the low-pass filter to a higher frequency (100-150Hz) to produce a tighter, more punchy bass response.
• Reduced distortion: The variable low-pass filter can also help to reduce distortion by preventing the subwoofer from reproducing frequencies that it is not capable of handling. For example, if you have a small subwoofer, you can set the low-pass filter to a higher frequency to prevent the subwoofer from trying to reproduce frequencies that are below its operating range. This will help to reduce distortion and improve the overall sound quality of the system.
• Improved system integration: The variable low-pass filter can also be used to improve the integration of the subwoofer with the rest of the system. By setting the low-pass filter to the appropriate frequency, you can ensure that the subwoofer is not reproducing frequencies that are already being reproduced by the other speakers in the system. This will help to create a more cohesive and balanced sound.
• Versatility: The variable low-pass filter makes the JBL W12GTi MKII a versatile subwoofer that can be used in a variety of applications. Whether you are using it in a home theater system, a car audio system, or a professional sound system, the variable low-pass filter allows you to tailor the subwoofer’s output to match your specific needs.

Overall, the variable low-pass filter is a valuable feature that allows you to fine-tune the JBL W12GTi MKII’s bass response to match your system and your listening preferences.

Phase switch (0/180 degrees) for aligning the subwoofer with other speakers

The JBL W12GTi MKII features a phase switch (0/180 degrees) that allows you to align the subwoofer’s output with the output of the other speakers in your system. Phase alignment is important because it ensures that the sound waves from all of the speakers in your system arrive at the listening position at the same time. This results in a more cohesive and realistic soundstage.

The phase switch on the JBL W12GTi MKII allows you to adjust the phase of the subwoofer’s output by 0 or 180 degrees. This allows you to fine-tune the subwoofer’s output to match the output of the other speakers in your system, regardless of their placement.

To set the phase of the subwoofer, you should first play a test tone through the system. The test tone should be a low-frequency tone, such as a 50Hz sine wave. Once the test tone is playing, you should adjust the phase switch on the subwoofer until the output of the subwoofer is in phase with the output of the other speakers in your system.

You can check the phase of the subwoofer’s output by listening to the sound. If the subwoofer is in phase with the other speakers, the sound will be full and well-defined. If the subwoofer is out of phase with the other speakers, the sound will be thin and muddy.

Overall, the phase switch on the JBL W12GTi MKII is a valuable feature that allows you to align the subwoofer’s output with the output of the other speakers in your system. This results in a more cohesive and realistic soundstage.

Tips

Here are a few tips for getting the most out of your JBL W12GTi MKII subwoofer:

1. Position the subwoofer correctly. The placement of the subwoofer in your room can have a significant impact on its performance. For the best results, place the subwoofer in a corner of the room. This will help to reinforce the bass response and reduce the risk of standing waves.

2. Set the crossover frequency correctly. The crossover frequency is the frequency at which the subwoofer takes over from the other speakers in your system. It is important to set the crossover frequency correctly to ensure that the subwoofer is reproducing the bass frequencies that it is designed to handle. A good starting point is to set the crossover frequency to around 80Hz.

3. Adjust the phase of the subwoofer. The phase of the subwoofer should be aligned with the phase of the other speakers in your system. This will ensure that the sound waves from all of the speakers in your system arrive at the listening position at the same time. You can adjust the phase of the subwoofer using the phase switch on the back of the unit.

4. Experiment with different settings. The best way to get the most out of your JBL W12GTi MKII subwoofer is to experiment with different settings. Try different positions, crossover frequencies, and phase settings to find the combination that sounds best to you.

By following these tips, you can ensure that your JBL W12GTi MKII subwoofer is performing at its best and providing you with the best possible bass experience.

Overall, the JBL W12GTi MKII is a high-performance subwoofer that delivers powerful bass response and accurate sound reproduction. It is a versatile subwoofer that can be used in a variety of applications, from home theater to car audio. By following the tips in this article, you can get the most out of your JBL W12GTi MKII subwoofer and enjoy years of high-quality bass performance.

Conclusion

The JBL W12GTi MKII is a high-performance subwoofer that delivers powerful bass response and accurate sound reproduction. It is a versatile subwoofer that can be used in a variety of applications, from home theater to car audio.

The W12GTi MKII features a 12-inch PolyPlas cone woofer with a die-cast aluminum frame, a dual-spider suspension, and a high-roll surround. This combination of features results in a woofer that is capable of delivering deep, powerful bass with minimal distortion.

The W12GTi MKII is also equipped with a 600-watt peak power amplifier, which provides ample headroom for even the most demanding basslines and soundtracks. The subwoofer also features a variable low-pass filter (50-150Hz) for precise bass tuning, a phase switch (0/180 degrees) for aligning the subwoofer with other speakers in a system, and an input level control for matching the subwoofer’s output to the rest of the system.

Overall, the JBL W12GTi MKII is an excellent choice for those who demand the best possible bass performance from their subwoofer. It is a well-built, powerful, and versatile subwoofer that is sure to provide years of enjoyment.

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