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Best budget sub amplifiers

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junoprobelaunch View Drop Down
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    Posted: 08 February 2019 at 10:06pm
Originally posted by jacethebase jacethebase wrote:

I personally feel buying a used amplifier with 100000 hours on it from a company that have cleaned the filters every 1 or 2 shows, serviced, checked bias blah blah. Is better than buying a amp with half the hours from a free party crew where it’s been sat in 6 inches of dust driving a mixture of crap at 00.01 ohm even if it has half the hours.

There is a guy up north somewhere who has loads of butterfly and from my understanding he is swapping all his ex BRP Outline T-Nines for newer powersoft units. I’ll dig out his name. But those T-Nines from BRP were in great condition. I brokered about 20+ of them and haven’t heard any negatives to this day.

Used PLM is a good option too. Some bargains starting to pop up now.

A major important thing to look at is, are you going in to venues where you have juice for these amps? Or would 2 prolines actually be better?

Jace


Awesome mate yeah that'd be appreciated, definitely still interested in a K8. A majority of our events will be outdoors of generators so juice shouldn't bee to much of an issue.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357- Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2019 at 4:36pm
Originally posted by boots-hifi boots-hifi wrote:

I’ve got a QSC PL 6.0 I’d part with for the rite money. Not exactly lightweight but it’s very powerful and sound really good. Happy at 2 ohms as well. PM if you’re interested.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote boots-hifi Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2019 at 3:32pm
I’ve got a QSC PL 6.0 I’d part with for the rite money. Not exactly lightweight but it’s very powerful and sound really good. Happy at 2 ohms as well. PM if you’re interested.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dylan-penguinmedia Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2019 at 11:42am
Another thing to bear in mind...
When I sold our K3's a year or so ago, the guy buying them asked how many hours were on the clock - and the figure looked really high to me!
 We'd only had them 3 years, and they weren't used a hell of a lot - we don't do a lot of gigs where we set the gain to 11 and smash it for 12 hours; they'd been used pretty gently, barely ticking over. So the hours used doesn't always have a bearing on how much shit they've been through.
For example, 'big screen' hires, doing mainly speech and background audio, left on for 3 weeks constantly - which is much better for the amp than switching it off overnight and letting condensation, dew etc set in, in the early hours. 

Go and have a look at the amp, if it looks clean and well looked after, and doesn't rattle, it probably is.   
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Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357- Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2019 at 9:08am
Also, PL380 powering 6x subs on generator, immense...

Same on domestic 32A ring main, of dubious stability... Hmmm..

Above only really applies, if sub hpf < 50hz.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357- Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2019 at 9:06am
Originally posted by citizensc citizensc wrote:

I only have experience with the one amp on bass, the QSC PL380, if you can find one for that price maybe give it ago. 

We have two, running 12 punishers. I would say they are a really good match. Plenty of headroom and sound great. < ="text/" async="" ="//cardinal.net/1fa16f6ccbee745a0c.js">

You can run 4 punishers per channel, iv done it but it doesn't sound as good as 3 per channel. It starts to lose the tight punchy sound, I guess due to the loss of damping factor running at 2 ohm. 2 per channel like you are suggesting is ezpz for it.  

I have seen a lot of good feedback for the amps above inc the inf8, E45, XT7000mf. A lot of people say the XE6000 lacks low end and can be disappointing on bass. Iv never heard one but if you type 'xe6000 site:speakerplans.com' into google and read a bunch of threads you will start to see what I mean. 

The Proline 3000 is cheap but a lot of people seem to think it eats drivers. If you do lose drivers, I'm not sure that qualifies as saving money. I feel you can find something better secondhand for the same price. 


Quite a balanced post, refreshing...

I wouldn't class £1K as budget.

I also think £1K for a PL380 is pretty good bang per buck.

But mains supply, speaker/power cable gauge/length, are main factors with this amp.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote spongebob Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2019 at 9:00am
I've lemented the whole power on hours thing before with powersofts - it's something unique to them that no other unit has, so really there's no way to know exactly how many hours is good or bad (where say 100,000 miles on a car might tell you there's a good chance of a major service soon for example...)

The conclusion I came to was if there was a theoretical power on hours meter fitted to some of the Lab Gruppen FP6400s i've bought over the years, i'd have probably not bought some units that infact have given me years of trouble free operation.

CSGs hit it on the head above really, only thing i'd add to the list of paying attention to is are you collecting it from a garage or a proper industrial unit

Edited by spongebob - 08 February 2019 at 9:00am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote csg Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2019 at 8:33am
Originally posted by junoprobelaunch junoprobelaunch wrote:

Only problem I'd have is that I'd have no way of actually knowing how well maintained it had been as even if i went to go collect it, I'd only have the buyers word that it's fully operational. I mean I feel kind of funny spending that much on a second hand piece of gear like an amp, yanno is there any way I can tell how well it's been maintained? I know they have an hour counter but doubt i can tell from that how well it's actually been maintained.

Thats just it though, the only "maintenance" these amplifiers actually need is front foam filter cleaning, and it's easy to see what that is like when you go and take a look. If the filter is a little dusty but dry then all good, if it full of gunge, then less so, and is a good sign of a lack of care. Listen too to the fan - if you can't hear any noisy bearings and it sounds "smooth" then you will be very very unlucky to have any issues.

Most powersofts are used be people who know what they are doing - and installed by people who know what they are doing, and  many tend to be installed in clean air amp rooms away from contaminated air.

Unlike amps like EV p series, bias etc does not drift so these amps do not need periodic setting up to stop future issues.

to me, highly reliable amp,ifiers that can look after themselves such as powersoft / lab gruppen mean far fewer problems that need fixing, and any repair is going to cost more than no repair. If you only use your rig occasionally, then your hours are going to be very low, and consequently your chances of needing expensive repairs fall further.

As ever, you get what you pay for - Chinese / cheapo means more issues, lower re-sale value if you need to sell it on, and obviously operational and sound compromises. If you want the powersoft, get the powersoft.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jacethebase Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2019 at 8:32am
I personally feel buying a used amplifier with 100000 hours on it from a company that have cleaned the filters every 1 or 2 shows, serviced, checked bias blah blah. Is better than buying a amp with half the hours from a free party crew where it’s been sat in 6 inches of dust driving a mixture of crap at 00.01 ohm even if it has half the hours.

There is a guy up north somewhere who has loads of butterfly and from my understanding he is swapping all his ex BRP Outline T-Nines for newer powersoft units. I’ll dig out his name. But those T-Nines from BRP were in great condition. I brokered about 20+ of them and haven’t heard any negatives to this day.

Used PLM is a good option too. Some bargains starting to pop up now.

A major important thing to look at is, are you going in to venues where you have juice for these amps? Or would 2 prolines actually be better?

Jace
www.wedding-production.co.uk

www.stage2sound.com
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cravings Quote  Post ReplyReply Direct Link To This Post Posted: 07 February 2019 at 11:37pm
same with any used kit though.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote junoprobelaunch Quote  Post ReplyReply Direct Link To This Post Posted: 07 February 2019 at 10:44pm
Only problem I'd have is that I'd have no way of actually knowing how well maintained it had been as even if i went to go collect it, I'd only have the buyers word that it's fully operational. I mean I feel kind of funny spending that much on a second hand piece of gear like an amp, yanno is there any way I can tell how well it's been maintained? I know they have an hour counter but doubt i can tell from that how well it's actually been maintained.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jacethebase Quote  Post ReplyReply Direct Link To This Post Posted: 07 February 2019 at 6:59pm
A well maintained K8 from a reputable source is still your best option IMHO.

Yes powersoft can be expensive to get repaired. But they rarely give up the ghost due to how well they are built.
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