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I previously posted another similar thread but now I seem to have narrowed it down. I can either buy an ED a2-300 new with warranty or keep searching ebay and other forums looking for a pb10-isd. I don't know what the overall opinion is on used subs? Is it likely that the used sub would come with problems or do subs usually hold up pretty well because while i'd rather get a better sub I'm also not looking to take over another persons headache.
 

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Quote:
Originally Posted by mat006007 /forum/post/16896035


I previously posted another similar thread but now I seem to have narrowed it down. I can either buy an ED a2-300 new with warranty or keep searching ebay and other forums looking for a pb10-isd. I don't know what the overall opinion is on used subs? Is it likely that the used sub would come with problems or do subs usually hold up pretty well because while i'd rather get a better sub I'm also not looking to take over another persons headache.

I would narrow it down even further. The PB-10 was recently revised with a larger port and a full featured amp. The previous version was already flat to 19 Hz. The revised model should do even better.


The PB-10 has been around for so long it is a fixture on the budget end of the subwoofer spectrum.


Save your money and get a brand new PB-10, I don't think you will regret it.

No worries about used potential problems.


I'm just not all that impressed with your other choice.
 

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Quote:
Originally Posted by spyboy /forum/post/16896771


I would narrow it down even further. The PB-10 was recently revised with a larger port and a full featured amp. The previous version was already flat to 19 Hz. The revised model should do even better.


The PB-10 has been around for so long it is a fixture on the budget end of the subwoofer spectrum.


Save your money and get a brand new PB-10, I don't think you will regret it.

No worries about used potential problems.


I'm just not all that impressed with your other choice.

Actually, the new PB10-NSD has a slightly higher tuning than the old PB10 due to the fact that the port is larger and the enclosure is the same size (I believe I've seen a rep state the new PB10-NSD is tuned around ~21-22hz). However, I'd doubt the 1-2hz difference in tuning makes a very perceptible difference in performance.


That said, as you mentioned the new PB10-NSD has a larger port which gives better output and less compression near tuning than the older PB10 - likely a more tangible benefit than 1-2hz more extension, or else SVS wouldn't have chosen to redesign the PB10 this way. It also has a fully featured amplifier with multiple connection options and slightly more power. The driver is also new and should be a slight upgrade over the older NSD woofer (if I had to guess I'd say it's probably a bit more linear and has lower distortion in the 50hz and up range).


Overall, the new PB10-NSD is a better subwoofer than the old PB10. I couldn't see SVS going backwards and raising the price. A used PB10 in the $350-$375 range is likely a better bargain in terms of price/performance, but if I were in the market I'd probably get a new one.
 

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Quote:
Originally Posted by lalakersfan34 /forum/post/16897254


Actually, the new PB10-NSD has a slightly higher tuning than the old PB10 due to the fact that the port is larger and the enclosure is the same size (I believe I've seen a rep state the new PB10-NSD is tuned around ~21-22hz). However, I'd doubt the 1-2hz difference in tuning makes a very perceptible difference in performance.


That said, as you mentioned the new PB10-NSD has a larger port which gives better output and less compression near tuning than the older PB10 - likely a more tangible benefit than 1-2hz more extension, or else SVS wouldn't have chosen to redesign the PB10 this way. It also has a fully featured amplifier with multiple connection options and slightly more power. The driver is also new and should be a slight upgrade over the older NSD woofer (if I had to guess I'd say it's probably a bit more linear and has lower distortion in the 50hz and up range).


Overall, the new PB10-NSD is a better subwoofer than the old PB10. I couldn't see SVS going backwards and raising the price. A used PB10 in the $350-$375 range is likely a better bargain in terms of price/performance, but if I were in the market I'd probably get a new one.

is the port the same length as before? just because it's bigger in diameter and the box is the same doesn't mean it has the same tuning. i'm not saying you're wrong but maybe the port is a bit longer too.
 

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is the port the same length as before? just because it's bigger in diameter and the box is the same doesn't mean it has the same tuning. i'm not saying you're wrong but maybe the port is a bit longer too.

If the port is the same length then increasing the port diameter would increase the tuning frequency, no? I think the specs suggest it might be the same length.


btw, lakersfan did post "Slightly higher tuning" because of the larger port.
 

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Quote:
Originally Posted by penngray /forum/post/16897375


If the port is the same length then increasing the port diameter would increase the tuning frequency, no? I think the specs suggest it might be the same length.


btw, lakersfan did post "Slightly higher tuning" because of the larger port.

that's what i am asking. is the port length the same. i understand how port tuning works. i have built several ported boxes. the last sentence in my post asked if maybe they increased the length as well.
 

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Quote:
Originally Posted by penngray /forum/post/16897375


If the port is the same length then increasing the port diameter would increase the tuning frequency, no? I think the specs suggest it might be the same length.


btw, lakersfan did post "Slightly higher tuning" because of the larger port.

Yes, that is what I meant. Sorry my post wasn't clear. In a given enclosure, a port of the same length with an increased diameter raises the sub's tuning frequency. That is why the new PB10-NSD has a slightly higher tune than the older model. As I said in my previous post, I think the added output and reduced compression at and around the tuning frequency more than make up for the slight 1-2hz loss in extension, or else SVS wouldn't have gone this route with the revised model.


As for mcjasonb's question, I don't think they increased the port length because I've seen posts (I think from Jack Gilvey) that admitted a slightly higher tune for the new PB10. To be honest, I don't know how much longer they could have made the port because the PB10 has a relatively small enclosure for 20hz tuning.
 
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