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What if you used 240V UK supply to power 120V US Bose speakers?
Wiki User
∙ 15y ago
Don't do it. Period. You will overheat the wires , blow the board and start a fire within seconds. I assume you're talking about the pre amp and the amplifier. Most sound systems run their own power supplies to the speakers. Do this instead. Check the Bose speakers and see if they have a voltage differential switch, some do especially if you're in Europe or the UK. If they do not and you are in the UK you will need to get a transformer to step down the voltage to 120V 60 hertz. Be sure to match the amperage of your system to the transformer you get. My personal advice is not to use the speakers at all as the price of the transformer and the hum that it produces compromises the benefit you might derive from the sound system.
Wiki User
∙ 15y ago
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You are building a new house and trying to decide between 120v and 240v which is better More practical?
In the US, both 120v and 240v will be needed for your home, as different appliances need different voltages. Your TV needs 120V, while your electric dryer and stove will need a 120V/240V supply. If you have an electric water heater, or central AC unit, they will need a 240V supply.
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the simplest solution is by connecting two 120v 3amps heater in series , the same can be used directly on 240v. However the current drawn will still be 3 amps & Not 1.5 amps. The heater output power will be double that of a single heater running on 120v. ( or equvalent to two heaters operating on 120v. supply ) A more expensive method is to use a stepdown transformer which can be powered on 240v & connect the heater on the transformer 120v side. this method will consume approx. 1.5 amps from the 240v supply.
You have 120v photo flash lights - how do you use them with 240v in Oz?
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Can you run your neon sign of 120v 50hz 60hz 0.6a 7.5kv 30mA in an Australian 240v power outlet?
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Can you take single phase of 120V with a hot wire and a neutral step up to 480v and then step down to 2 phases of 120V or do you have to input 2 phases of 120v to get 240V out?
Theoretically that can be done with transformers, but the power available would still be limited by the circuit breaker on the original 120 v supply.
Can 240V washer run on 120V outlet?
No.
Why are you not getting 240v between the two hot wires?
Because they are "in-phase". In order to get 240v, you need two 120v Alternating Current lines that are 180° out of phase, that is, opposite phases. Only when one line is +120v and the other -120v will you see 240v between the wires.
Can you use UK appliances in the us?
Not unless the appliance is rated to be used with the two different power supplies. The US uses 120v, 60 Hz if it plugs into a receptacle, and possibly 240v, 60Hz if it is hard wired. The UK uses 240v, 50Hz whether it plugs in or is hard wired. These two power systems are NOT compatible. You may use a US appliance in the UK, and vice versa, only if the appliance is dual rated, i.e. the appliance says 120v/60Hz AND 240v/50Hz on the nameplate. If the appliance only specifies one power supply, it can only be used on that power supply. If this is the case, you may be able to use a travel adapter to operate the appliance.
For 1KW electricity does 240V or 120V cost less?
Power = Volts x Amps. Hence 1kW is irrelevant of voltage.
What would cause light sockets to read 130V in a 240V system when the light switch is off?
More than likely, your 240V system has branches that supply a standard household 120V to things like lighting outlets. Most light bulbs in the US run on 120V so this is probably a convenience feature. Otherwise you would have to go to a specialty store and buy 240V bulbs.
If you put a 60W 120V bulb in a 120V lamp that has a transformer for 240V and plug it into a 240V outlet will it work or blow the circuitry?
Off hand no but your explanations are not clear as to who is doing what to whom,,
