Pioneer 12 is an unmanned space probe launched by NASA on August 25, 1972, to explore the outer planets. It was the second spacecraft to be launched as part of the Pioneer program, following Pioneer 10. Pioneer 12 flew past Jupiter in December 1974 and Saturn in September 1979, becoming the first spacecraft to visit both planets.
The spacecraft’s primary mission was to study the atmospheres, magnetic fields, and radiation belts of Jupiter and Saturn. It also carried a number of experiments to study the solar wind and cosmic rays. Pioneer 12 returned a wealth of data that helped scientists to better understand these planets and their place in the solar system.
In addition to its primary mission, Pioneer 12 also conducted a number of secondary experiments. these include an experiment to measure the gravitational field of Jupiter, an experiment to study the effects of the solar wind on the magnetosphere of Saturn, and an experiment to search for lightning on Saturn.
Pioneer Subs 12
Pioneer Subs 12 is an active 12-inch subwoofer that is designed to provide deep, powerful bass for home audio systems. It features a long-throw woofer with a polypropylene cone and a rubber surround, which helps to deliver accurate and distortion-free bass response. The subwoofer also has a built-in amplifier that provides up to 300 watts of power, ensuring that it can easily fill even large rooms with sound.
- 12-inch long-throw woofer
- Polypropylene cone and rubber surround
- Built-in 300-watt amplifier
- Frequency response: 20Hz-200Hz
- Dimensions: 17.5″ x 17.5″ x 18.5″
The Pioneer Subs 12 is a great choice for anyone who is looking for a powerful and affordable subwoofer. It is easy to set up and use, and it delivers excellent sound quality.
12-inch long-throw woofer
The Pioneer Subs 12 features a 12-inch long-throw woofer with a polypropylene cone and a rubber surround. This woofer is designed to deliver deep, powerful bass with minimal distortion. The long-throw design allows the woofer to move more air than a traditional woofer, resulting in more powerful bass output. The polypropylene cone is lightweight and rigid, which helps to improve the woofer’s response time and accuracy. The rubber surround is flexible and durable, which helps to prevent the woofer from bottoming out.
The combination of the long-throw design, polypropylene cone, and rubber surround gives the Pioneer Subs 12 excellent bass performance. The woofer is able to reproduce deep, powerful bass with minimal distortion, making it a great choice for anyone who is looking for a subwoofer that can deliver truly震撼人心的bass.
In addition to its excellent bass performance, the Pioneer Subs 12 is also very efficient. The woofer is able to produce a lot of bass without requiring a lot of power. This makes the Pioneer Subs 12 a great choice for use with smaller amplifiers.
Overall, the Pioneer Subs 12 is an excellent subwoofer that offers great bass performance, efficiency, and value. It is a great choice for anyone who is looking for a subwoofer that can deliver truly震撼人心的bass.
### Polypropylene cone and rubber surround
The Pioneer Subs 12 features a woofer with a polypropylene cone and a rubber surround. These materials are used in the construction of the woofer for a number of reasons.
Polypropylene is a lightweight and rigid material, which makes it an ideal choice for woofer cones. The lightweight design of the cone helps to improve the woofer’s response time and accuracy. The rigidity of the cone helps to prevent it from flexing or distorting, which can lead to unwanted resonances and distortion.
The rubber surround is flexible and durable, which helps to prevent the woofer from bottoming out. The flexibility of the surround allows the woofer to move freely without being restricted. The durability of the surround helps to ensure that the woofer will last for many years to come.
The combination of the polypropylene cone and rubber surround gives the Pioneer Subs 12 excellent bass performance. The woofer is able to reproduce deep, powerful bass with minimal distortion. The woofer is also able to handle high power levels without bottoming out.
Overall, the polypropylene cone and rubber surround are two of the key factors that contribute to the Pioneer Subs 12’s excellent sound quality.
300-watt amplifier
The Pioneer Sub 12’s built-in 300-watt amplifier is a key factor in its overall performance. The amplifier provides plenty of power to drive the wo12-inch wo12, resulting in deep, powerful bass. The amplifier is also very efficient, so it doesn’t waste energy and it runs cool even during extended listening sessions.
- Power: The amplifier provides up to 300 watts of power, which is more than enough to drive even the most power-hungry subwoofers. This power output means that the Pioneer Sub 12 can easily fill even large rooms with sound.
- 効率: The amplifier is very efficient, so it doesn’t waste energy and it runs cool even during extended listening sessions. This efficiency means that the Pioneer Sub 12 can be used for hours on end without any problems.
- Sound quality: The amplifier produces clean, distortion-free sound. This sound quality is essential for reproducing accurate bass response, and it helps to ensure that the Pioneer Sub 12 can be used for both music and movies.
- Features: The amplifier has a number of features that make it easy to use and adjust. These features include a low-pass filter, a phase switch, and a level control. The low-pass filter allows you to adjust the cutoff frequency of the subwoofer, the phase switch allows you to adjust the phase of the subwoofer, and the level control allows you to adjust the volume of the subwoofer.
Overall, the Pioneer Sub 12’s built-in 300-watt amplifier is a key factor in its overall performance. The amplifier provides plenty of power, it is very efficient, it produces clean sound, and it has a number of features that make it easy to use and adjust.
Frequency response: 20Hz-200Hz
The Pioneer Subs 12 has a frequency response of 20Hz-200Hz. This means that it is able to reproduce very deep bass frequencies, down to 20Hz. This is important for reproducing the full range of bass frequencies in music and movies. The subwoofer’s upper frequency limit of 200Hz is also important, as it ensures that the subwoofer does not reproduce midrange frequencies, which can muddy the sound.
- Deep bass: The Pioneer Subs 12 is able to reproduce very deep bass frequencies, down to 20Hz. This is important for reproducing the full range of bass frequencies in music and movies. Many other subwoofers on the market are not able to reproduce such deep bass frequencies.
- Accurate bass: The Pioneer Subs 12’s frequency response is very accurate, meaning that it reproduces bass frequencies without any unwanted coloration or distortion. This is important for ensuring that the subwoofer blends seamlessly with the rest of your audio system.
- Tight bass: The Pioneer Subs 12’s bass response is very tight and well-controlled. This means that the bass is not boomy or muddy, and it does not overpower the other frequencies in your music or movies.
- Versatile: The Pioneer Subs 12’s frequency response makes it suitable for a wide range of applications. It can be used for music, movies, and even gaming. No matter what you use it for, the Pioneer Subs 12 will deliver deep, accurate, and tight bass.
Overall, the Pioneer Subs 12’s frequency response is one of its best features. It is able to reproduce very deep bass frequencies, it is accurate and well-controlled, and it is versatile enough to be used for a wide range of applications.
Dimensions: 17.5″ x 17.5″ x 18.5″
The Pioneer Subs 12 has dimensions of 17.5″ x 17.5″ x 18.5″. This makes it a relatively compact subwoofer, which is easy to place in a variety of locations. It is also relatively lightweight, weighing in at just 35 pounds. This makes it easy to move and transport the subwoofer.
- Compact: The Pioneer Subs 12 is a relatively compact subwoofer, making it easy to place in a variety of locations. It has a footprint of just 17.5″ x 17.5″, and it is only 18.5″ tall. This makes it easy to find a place for the subwoofer, even in smaller rooms.
- Lightweight: The Pioneer Subs 12 is also relatively lightweight, weighing in at just 35 pounds. This makes it easy to move and transport the subwoofer. You can easily move the subwoofer to different locations in your room, or you can even take it with you when you travel.
- Versatile: The Pioneer Subs 12’s compact size and lightweight design make it a very versatile subwoofer. It can be placed in a variety of locations, and it can be easily moved and transported. This makes it a great choice for a wide range of applications, from home theater to car audio.
Overall, the Pioneer Subs 12’s dimensions make it a very versatile and easy-to-use subwoofer. It is compact and lightweight, making it easy to place and transport. This makes it a great choice for a wide range of applications.
Tips
Here are a few tips to help you get the most out of your Pioneer Subs 12:
- Place the subwoofer in a corner: This will help to reinforce the bass response and give you a more powerful sound.
- Use a subwoofer cable with a thick gauge: This will help to ensure that the subwoofer is getting enough power and that the signal is not being degraded.
- Set the subwoofer’s crossover frequency correctly: This will help to ensure that the subwoofer is only reproducing the bass frequencies that it is designed to handle.
- Experiment with the subwoofer’s level control: This will help you to find the perfect balance between the subwoofer and the rest of your speakers.
By following these tips, you can ensure that your Pioneer Subs 12 is performing at its best and that you are getting the most out of your audio system.
Once you have followed these tips, you can sit back and enjoy the deep, powerful bass that the Pioneer Subs 12 has to offer.
Conclusion
The Pioneer Subs 12 is an excellent subwoofer that offers great bass performance, efficiency, and value. It is a great choice for anyone who is looking for a subwoofer that can deliver deep, powerful bass. Here is a summary of the main points of this review:
- The Pioneer Subs 12 has a 12-inch long-throw woofer with a polypropylene cone and a rubber surround. This woofer is designed to deliver deep, powerful bass with minimal distortion.
- The Pioneer Subs 12 has a built-in 300-watt amplifier that provides plenty of power to drive the woofer. The amplifier is also very efficient, so it doesn’t waste energy and it runs cool even during extended listening sessions.
- The Pioneer Subs 12 has a frequency response of 20Hz-200Hz. This means that it is able to reproduce very deep bass frequencies, down to 20Hz. The subwoofer’s upper frequency limit of 200Hz is also important, as it ensures that the subwoofer does not reproduce midrange frequencies, which can muddy the sound.
- The Pioneer Subs 12 has dimensions of 17.5″ x 17.5″ x 18.5″. This makes it a relatively compact subwoofer, which is easy to place in a variety of locations. It is also relatively lightweight, weighing in at just 35 pounds. This makes it easy to move and transport the subwoofer.
Overall, the Pioneer Subs 12 is an excellent subwoofer that offers great bass performance, efficiency, and value. It is a great choice for anyone who is looking for a subwoofer that can deliver deep, powerful bass.
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