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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Lars wrote:
Can you specialists me advise please. I want to be able to switch a small speaker on and off. The speaker is attached to a small stereo (approx 15W + 15W) which has one speaker in the kitchen and one in the hallway. Is it ok to simply put a switch in the speaker lead? I am concerned about two things with this approach: (a) The on/off action may cause transients which may damage the amplifier. (b) The lack of any load on one channel may cause the amplifier to have a shorter life than otherwise. Any advice gratefully received. Thank you. most amplifiers have switches for two sets of speakers that do just that. -- Return address is VALID. 500MHz Tek DSOscilloscope TDS540 $2100 Wanted, 12.1" LCD for Gateway Solo 5300. Samsung LT121SU-121 Bunch of stuff For Sale and Wanted at the link below. http://www.geocities.com/SiliconValley/Monitor/4710/ |
#2
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![]() "Lars" wrote in message ... Can you specialists me advise please. I want to be able to switch a small speaker on and off. The speaker is attached to a small stereo (approx 15W + 15W) which has one speaker in the kitchen and one in the hallway. Is it ok to simply put a switch in the speaker lead? I am concerned about two things with this approach: (a) The on/off action may cause transients which may damage the amplifier. (b) The lack of any load on one channel may cause the amplifier to have a shorter life than otherwise. Any advice gratefully received. Thank you. Lack of load shouldn't hurt a modern solid state amplifier. But if you're concerned, switch a load of a 20 to 30 ohm, 10 watt resistor in place of the speaker. |
#3
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![]() "Lars" wrote in message ... | Can you specialists me advise please. I want to be able to switch a | small speaker on and off. | | The speaker is attached to a small stereo (approx 15W + 15W) which | has one speaker in the kitchen and one in the hallway. | | Is it ok to simply put a switch in the speaker lead? I am concerned | about two things with this approach: | | (a) The on/off action may cause transients which may damage the | amplifier. Only with a tube amplifier. | (b) The lack of any load on one channel may cause the amplifier to | have a shorter life than otherwise. Only with a tube amplifier. | Any advice gratefully received. Thank you. You could also put a 50 ohm pot in series. N |
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