expirediconian | Staff posted Dec 12, 2023 09:08 PM
Item 1 of 2
Item 1 of 2
expirediconian | Staff posted Dec 12, 2023 09:08 PM
Klipsch SPL-150 15" Subwoofer $579 + free s/h
$579
$1,399
58% offAdorama
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Model: Klipsch SPL-150 15" 800W Subwoofer, Ebony Vinyl
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53 Comments
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I have 3 of these. They've all failed. Two purchased new both died within 9 months. Klipsch sent free replacement amps, but I just don't think it's worth the headache and uncertainty. The new RP line has already seen some good discounts and I'm sure we'll see more offers in the future.
This actually is much harder to do in a smaller cabinet which is why you often see 'passive radiators' vs ports. Passive radiators cost much more to manufacture vs ports and thus raise the retail price but do not offer a performance gain over a simple port, it is just difficult to fit a proper sized port with a low tuning frequency in a small box due to the length/size of the port tube.
So those subs with dual passive radiators on the side that make them look supercharged do not offer any performance gain over a sub in a larger box and low tuned ported design.
The large box and sensitive woofer and ported design all combine to allow this sub to hit well over 100db with just a handful of watts (maybe 10-20watts.) This means it hardly uses any electricity most of the time. At the full 400watts it is outputting 115-130db depending on room size. Some subs would require 2000watts for the same, that sorta requires a 20a outlet by itself(only for short bursts though)
When you place a sub in a small sealed box or a smaller box with passive radiators, there is a lot of internal resistance/pressure in the box. So you need a lot of power to get the sub moving, then because you need a lot of power you need to really make the sub beefy and when you do that you further reduce sensitivity as the moving parts weigh more. Ultimately you might need an insane amount of power purely due to that. Not because you have some super 2000watt sub, but because the system is designed so that is what is needed to get it to play loudly.
Then because the sub is moving so much (excursion) the box needs to be overbuilt to accommodate the high internal pressures.
Some subs that this Klipsch compares well with weigh double what this does. You will see stuff @ 120+lbs. Such a pain to move. This Klipsch is huge and heavy @75lbs but I can still move this one pretty well by myself (though watch your back as you move anything like this around)
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I have 3 of these. They've all failed. Two purchased new both died within 9 months. Klipsch sent free replacement amps, but I just don't think it's worth the headache and uncertainty. The new RP line has already seen some good discounts and I'm sure we'll see more offers in the future.
Email Klipsch directly with your serial number and see what they say. My third sub was used and out of warranty but they still sent a new amp for that one too. It's been a couple years though, so I'm not sure about their current policy.
You can also find generic replacements at partexpress if they fit the cutout. Some ppl will use a thin piece of wood to adjust the cutout size if it's too big.
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