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#1
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Hi,
I've got a relatively old stereo system that has surroundsound outputs, but it has them labelled as 16 ohm. I'm guessing I'll be doing damage (over-currenting the amps) if I use 8 ohmers, so can I use a pair of 8 ohms in parallel or will that cause problems too? I've been trying to find 16 ohm speakers but they are not cheap and very hard to come by. Can anyone suggest anything? Sticking an 8ohm resistor in line with it one 8 ohmer?? James |
#2
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Coyoteboy wrote:
Hi, (over-currenting the amps) if I use 8 ohmers, so can I use a pair of 8 ohms in parallel or will that cause problems too? A parallel connection would result in 4 ohms rather than the 16 you are seeking. A series connection would result in 16 ohms. |
#3
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I assume you meant to wire the two speakers in series, not in
parallel. This will work, but might not be convenient. I think you can do the 8 Ohms in series but with a loss in overall signal strength. Make sure the resistor is big enough to handle the wattage or it will overheat. You could also use a 2:1 transformer with a good response in the audio range. This would present your stereo with the load it's expecting. "Coyoteboy" wrote in message ... Hi, I've got a relatively old stereo system that has surroundsound outputs, but it has them labelled as 16 ohm. I'm guessing I'll be doing damage (over-currenting the amps) if I use 8 ohmers, so can I use a pair of 8 ohms in parallel or will that cause problems too? I've been trying to find 16 ohm speakers but they are not cheap and very hard to come by. Can anyone suggest anything? Sticking an 8ohm resistor in line with it one 8 ohmer?? James |
#4
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...stereo system...has surroundsound outputs...labelled as 16 ohm
...can I use a pair of 8 ohms in parallel ? James (Coyoteboy) Not parallel--SERIES. They must also be phased properly or the sound will be thin. This should be easy to determine by ear; swap the polarity of the wires on one of the speakers on one of the channels and listen. |
#5
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If you use a series resistor, you'll lose 6dB -- a noticeable amount.
Better to use two speakers, if at all possible. Bryan "Blue Lightning" wrote in message om... I assume you meant to wire the two speakers in series, not in parallel. This will work, but might not be convenient. I think you can do the 8 Ohms in series but with a loss in overall signal strength. Make sure the resistor is big enough to handle the wattage or it will overheat. You could also use a 2:1 transformer with a good response in the audio range. This would present your stereo with the load it's expecting. "Coyoteboy" wrote in message ... Hi, I've got a relatively old stereo system that has surroundsound outputs, but it has them labelled as 16 ohm. I'm guessing I'll be doing damage (over-currenting the amps) if I use 8 ohmers, so can I use a pair of 8 ohms in parallel or will that cause problems too? I've been trying to find 16 ohm speakers but they are not cheap and very hard to come by. Can anyone suggest anything? Sticking an 8ohm resistor in line with it one 8 ohmer?? James |
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