Here's what Bob Gallien has to say on the subject...
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What are the advantages of utilizing neodymium technology?
The primary advantage is that neo speakers weigh less than ceramic speakers, and since bassists are wanting lighter equipment, this is very appealing to many players. Neo speakers also produce a different type of tone, but I wouldn't really consider that an advantage. It's just another option. Anytime you have a change in technology, you are going to have a change in sound, and you have to learn how to optimize what that particular component is capable of doing. We are in the process of expanding our Neo Series. In addition to our Neo 112, Neo 212, and Neo 412 which are currently available, we will soon start shipping the Neo 410, Neo 210, and Neo 115-II. All of the Neo Series enclosures feature our own neodymium-equipped, Paragon loudspeakers.
Can you explain the variation in sound produced by G-K's neodymium and conventional loudspeakers?
Neo speakers are very linear sounding, and they have great definition. Depending on who you pose this question to, you will receive a different response. Rock bassists will define linear as sounding sterile or cold whereas a jazz bassist will say a neo cabinet sounds cleaner than a cabinet with traditional ceramic speakers. Ceramic speakers actually develop a small amount of distortion inherently due to their construction, and there is no way to not have some of that distortion present no matter what you do. This slightly distorted sound is desirable to some players and to others it isn't. Even though this isn't the perfect comparison, going from conventional drivers to neo speakers is kind of like going from vinyl to CD format. What we are learning through our experience is that the rock artists are sticking with the ceramic speakers while the jazz, fusion, and christian bassists are leaning more towards the neo speakers.
[Invalid or Expired Link Removed]
What are the advantages of utilizing neodymium technology?
The primary advantage is that neo speakers weigh less than ceramic speakers, and since bassists are wanting lighter equipment, this is very appealing to many players. Neo speakers also produce a different type of tone, but I wouldn't really consider that an advantage. It's just another option. Anytime you have a change in technology, you are going to have a change in sound, and you have to learn how to optimize what that particular component is capable of doing. We are in the process of expanding our Neo Series. In addition to our Neo 112, Neo 212, and Neo 412 which are currently available, we will soon start shipping the Neo 410, Neo 210, and Neo 115-II. All of the Neo Series enclosures feature our own neodymium-equipped, Paragon loudspeakers.
Can you explain the variation in sound produced by G-K's neodymium and conventional loudspeakers?
Neo speakers are very linear sounding, and they have great definition. Depending on who you pose this question to, you will receive a different response. Rock bassists will define linear as sounding sterile or cold whereas a jazz bassist will say a neo cabinet sounds cleaner than a cabinet with traditional ceramic speakers. Ceramic speakers actually develop a small amount of distortion inherently due to their construction, and there is no way to not have some of that distortion present no matter what you do. This slightly distorted sound is desirable to some players and to others it isn't. Even though this isn't the perfect comparison, going from conventional drivers to neo speakers is kind of like going from vinyl to CD format. What we are learning through our experience is that the rock artists are sticking with the ceramic speakers while the jazz, fusion, and christian bassists are leaning more towards the neo speakers.