Whether to use an 80Hz or 100Hz crossover frequency is a common question among audiophiles and home theater enthusiasts. There is no one-size-fits-all answer, as the best crossover frequency will vary depending on the specific system and the listener’s preferences. However, there are some general guidelines that can help you choose the right crossover frequency for your system.
Advantages of 80Hz crossover
- More bass extension: An 80Hz crossover will allow your subwoofer to reproduce lower frequencies, which can result in more bass extension.
- Smoother transition between subwoofer and main speakers: An 80Hz crossover is more likely to result in a smoother transition between the subwoofer and the main speakers.
- Less localization of bass frequencies: An 80Hz crossover is less likely to result in localized bass frequencies, which means that the bass will sound like it is coming from all directions, rather than from the subwoofer itself.
Disadvantages of 80Hz crossover
- More overlap between subwoofer and main speakers: An 80Hz crossover will result in more overlap between the subwoofer and the main speakers. This can lead to phase cancellation, which can muddy the sound.
- Main speakers may not be able to handle low bass frequencies: If your main speakers are not capable of reproducing low bass frequencies very well, they may be overloaded at an 80Hz crossover. This can lead to distortion and damage.
Advantages of 100Hz crossover
- Less overlap between subwoofer and main speakers: A 100Hz crossover will result in less overlap between the subwoofer and the main speakers. This reduces the risk of phase cancellation.
- Main speakers are less likely to be overloaded: A 100Hz crossover is less likely to overload your main speakers, as they will not be reproducing as many low bass frequencies.
- More precise bass reproduction: A 100Hz crossover can result in more precise bass reproduction, as the subwoofer will be reproducing a narrower range of frequencies.
Disadvantages of 100Hz crossover
- Less bass extension: A 100Hz crossover will limit the amount of bass extension that your system is capable of.
- Transition between subwoofer and main speakers may be more noticeable: A 100Hz crossover may result in a more noticeable transition between the subwoofer and the main speakers.
- Bass frequencies may be more localized: A 100Hz crossover may result in more localized bass frequencies, which means that the bass may sound like it is coming from the subwoofer itself, rather than from all directions.
Which crossover frequency is better?
The best crossover frequency for your system will depend on a number of factors, including the type of speakers you have, the size of your room, and your personal preferences.
If you are unsure which crossover frequency to use, it is a good idea to experiment with both 80Hz and 100Hz to see which one sounds best to you. You can also use a room correction system, such as Audyssey or Dirac, to help you calibrate the crossover frequency.
Here are some general guidelines:
- If you have a pair of full-range main speakers and you are looking for the most bass extension possible, an 80Hz crossover is a good choice.
- If you have a pair of smaller satellite speakers or you are concerned about phase cancellation, a 100Hz crossover is a good choice.
- If you are listening to music in a small room, an 80Hz crossover may be a better choice, as the closer you are to the subwoofer, the more localized the bass will sound.
- If you are listening to music in a large room, a 100Hz crossover may be a better choice, as the steeper cutoff will help to ensure that the bass is evenly distributed throughout the room.
Ultimately, the best way to choose the right crossover frequency for your system is to experiment and see what sounds best to you.