Hi,
I screwed myself building my subwoofer, by putting 2 500w 4ohm drivers in a cabinet, so I need to choose between 1000W 2 ohm or 1000W 8 ohm (2x500W, can wire one driver to one channel if needed, but would prefer to have a 'mono' in and out for the amp, easier to wire). For stability, I will put them in series so need a passive amplifier who can deliver that. Off course I will not run 1000W constantly, probably not even half that, but with DSP and on the lower frequencies, my current PA amp does need to deliver some power. I also bought the drivers at this power, so why not use it.
As a first option, I wanted to go for icepower 1200AS2, as this should deliver 1000W into 8 ohm easily. Cost about 400 euro from a webshop (or 250 euro incl VAT and shipping if I buy 7 from icepower...)
As a 2nd option I started to look into other (Chinese, French, ...) amplifier boards offered online. The 'connex' boards are not cheaper compared to Icepower, and less customer support. The chinese TPA3255 boards are not powerfull enough, and taking the SMPS into account, not so cheap either.
One of the other boards I stumbled upon was this:
https://fr.aliexpress.com/item/4000...1;75.83;-1;-1@salePrice;EUR;search-mainSearch
The specifications are not a 100% clear. It delivers 1000W and is a 'mono' board, but I see 4 speaker terminals. It does not mention in how many Ohm this 1000W is. I would assume it's 1000W into 4 ohm and 500 into 8 ohm. Aiyima is a 'known' brand but looking on their website, they don't mention anywhere this board...???
So not sure if I could buy 2 of these boards instead of 1 icepower 1200AS2?
Also an unrelated question to the quality of this amplifier, but as I try not to buy outside of the EU i'm not sure what the 'landed' cost is in Europe (Belgium) if I would buy this. Do I still need to pay VAT over those prices, and import duties? This would make it at least 100 euro per board, 200 for 2, which would still be good compared to the icepower option...
Thanks a lot!
I screwed myself building my subwoofer, by putting 2 500w 4ohm drivers in a cabinet, so I need to choose between 1000W 2 ohm or 1000W 8 ohm (2x500W, can wire one driver to one channel if needed, but would prefer to have a 'mono' in and out for the amp, easier to wire). For stability, I will put them in series so need a passive amplifier who can deliver that. Off course I will not run 1000W constantly, probably not even half that, but with DSP and on the lower frequencies, my current PA amp does need to deliver some power. I also bought the drivers at this power, so why not use it.
As a first option, I wanted to go for icepower 1200AS2, as this should deliver 1000W into 8 ohm easily. Cost about 400 euro from a webshop (or 250 euro incl VAT and shipping if I buy 7 from icepower...)
As a 2nd option I started to look into other (Chinese, French, ...) amplifier boards offered online. The 'connex' boards are not cheaper compared to Icepower, and less customer support. The chinese TPA3255 boards are not powerfull enough, and taking the SMPS into account, not so cheap either.
One of the other boards I stumbled upon was this:
https://fr.aliexpress.com/item/4000...1;75.83;-1;-1@salePrice;EUR;search-mainSearch
The specifications are not a 100% clear. It delivers 1000W and is a 'mono' board, but I see 4 speaker terminals. It does not mention in how many Ohm this 1000W is. I would assume it's 1000W into 4 ohm and 500 into 8 ohm. Aiyima is a 'known' brand but looking on their website, they don't mention anywhere this board...???
So not sure if I could buy 2 of these boards instead of 1 icepower 1200AS2?
Also an unrelated question to the quality of this amplifier, but as I try not to buy outside of the EU i'm not sure what the 'landed' cost is in Europe (Belgium) if I would buy this. Do I still need to pay VAT over those prices, and import duties? This would make it at least 100 euro per board, 200 for 2, which would still be good compared to the icepower option...
Thanks a lot!
If you look at the photos below the PCB, the outputs are connected in parallel, so mono ...
For real power ... The info is insufficient. 🤔
Thanks! So it's mono after all. Not sure if I can bridge 2 in 8 ohm?
Yes indeed, it's also not clear to me which type of output stage they are using. The unit looks very good though, but almost too good??
Yes indeed, it's also not clear to me which type of output stage they are using. The unit looks very good though, but almost too good??
https://store.sure-electronics.com/product/AA-AB31492
I have one of these, 2500w into 6ohm, says 1.5ohm stable, there is a 3000w into 6ohm unit too that can drive 1.5 ohms. So that should drive 1000w 2ohm load. That’s a lot of power…
I have one of these, 2500w into 6ohm, says 1.5ohm stable, there is a 3000w into 6ohm unit too that can drive 1.5 ohms. So that should drive 1000w 2ohm load. That’s a lot of power…
Thanks, the wondom units are indeed also very tempting! But I don't like the fan nor do I like the fact they rate their power in 6 ohm, usually you would expect a 2-4-8 ohm rating if they are stable in 1.5 ohm. I have a feeling these are very short term 'bursts' not meeting EIA rules.
Meanwhile I'm looking to build a ucd2k based amp, 2 ucd2k and 1 smps3ka700. I'm on the fence if I should do this, or buy 4 ucd700lz with 1 smps3ka700. both options cost about the same, about 600 euro. The ucd700 option gives me the liberty to use it as a 4 channel amp (should I want to) but it limits the output in 2 channel to 8 ohm, they can not drive 4 ohm in bridge mode. Ucd2k gets very little 'love' though online, not many builds using them.
Meanwhile I'm looking to build a ucd2k based amp, 2 ucd2k and 1 smps3ka700. I'm on the fence if I should do this, or buy 4 ucd700lz with 1 smps3ka700. both options cost about the same, about 600 euro. The ucd700 option gives me the liberty to use it as a 4 channel amp (should I want to) but it limits the output in 2 channel to 8 ohm, they can not drive 4 ohm in bridge mode. Ucd2k gets very little 'love' though online, not many builds using them.
Thats more than this $2.2 million amplifier!
https://luxurylaunches.com/gadgets/most-expensive-amplifier.php
https://luxurylaunches.com/gadgets/most-expensive-amplifier.php