Pundit
Post by belbo on Feb 15, 2020 23:32:30 GMT 12
Hi,
I’m looking into buying an active subwoofer however it’s only available on 110V 60hz. I live in Denmark so my vintage is 220v 50hz. Is there any good quality solution for converting? Do I have to convert both voltage and frequency? Is this a good solution or should I just look into buying equipment specifically designed for my country?
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Post by cartridgeguyonline on Feb 16, 2020 14:19:20 GMT 12
Whats the sub you are looking at ? I love my 2 RELs in my set up BTW. In answer to your Q I dont think you need to worry about frequency unless there is a motor involved (which there isnt in a sub), so you should be able to just use a 220v to 110v transformer.
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Post by Owen Y on Feb 16, 2020 20:12:06 GMT 12
Plenty of folks use 'step-down' transformers, but be aware that PTXs intended for use with 60Hz, will generate a little more heat when fed with 50Hz. It may not matter with a device that's not running at full power continuously.
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Post by colinf on Feb 16, 2020 21:02:30 GMT 12
Hi Belbo, you’ll be fine with a step down transformer 220v to 110v. Just make sure the power rating is enough. That rating should be on the rear of the subwoofer somewhere. Stepdown transformers are rated in VA (like watts but specific to transformers) and it should be rated more than what the subwoofer is. The rating on the sub might be in current at 110v. Just multiply the current by the voltage to get the power rating. It should be in the order of 100 to 400 watts or VA.
AMR-iFi R&D
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Pundit
Post by belbo on Feb 17, 2020 8:49:05 GMT 12
Thanks all for the advice: essentially the way I understand it is that frequency only matters if a motor is involved (turntables, CD players, etc.) so all other audio equipment should play fine with a transformer correct? cartridgeguyonline I'm looking at the Pioneer SW8 subwoofer, I've red a lot of nice things about it, there are plenty available at a good price but all of them are at 110v. I'm also looking into RELs. Thanks a lot again!
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Pundit
Post by belbo on Feb 17, 2020 9:21:38 GMT 12
colinf on the back it says: 120v 60hz 1.0A and in the description it is described as a 100w subwoofer, I should be getting a 200w transformer correct? thanks again!
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Post by colinf on Feb 17, 2020 20:40:29 GMT 12
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Pundit
Post by belbo on Sept 6, 2020 19:10:10 GMT 12
Just for the record: I bought both the subwoofer new and the voltage converter and worked well however I didn't like the sound of it (and to be frank just too much complexity trying to place it) + I've managed to improve my speakers low-end via placement so I'm selling it. The voltage converter worked perfectly.
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