intermittent overload protection

[msgchef]

Struggling with some intermittent issues.
Yam V-861, Speaker out to a CSI-SlS6 imped matching switch thru Speaker Craft volume controls to 6 JBL ht16c, 8 ohm speaker.

audio is output randomly from 1 minutes to 30 minutes before overload kicks in. Occasionally on reset, an immediate pop.

Verified all speaker wires seperately directly to amp and randomness happens with all of them. I have checked to insure the amp setting is for 8 ohms.

amp is well vented.

Any ideas, my home system is struggling.
Thanks

 

[TLS Guy]

Struggling with some intermittent issues.
Yam V-861, Speaker out to a CSI-SlS6 imped matching switch thru Speaker Craft volume controls to 6 JBL ht16c, 8 ohm speaker.

audio is output randomly from 1 minutes to 30 minutes before overload kicks in. Occasionally on reset, an immediate pop.

Verified all speaker wires seperately directly to amp and randomness happens with all of them. I have checked to insure the amp setting is for 8 ohms.

amp is well vented.

Any ideas, my home system is struggling.
Thanks

How did you do this? Something is wrong. Do you have dual volume controls, with three speakers to each channel? We can not help, unless you describe your hook up in great detail. On the face of it, it sounds as if you have made some gross fundamental error. I would say you are in danger of causing lethal damage to your receiver.

 

[msgchef]

more detail

Speaker lead output from amp, main channel to the input of the speaker distribution cis-sls6. Each of the six leads from the dist panel to six volume controls in each room powering a one set of jbl in ceiling speakers.
Same setup I had in a previous home, different equipment. I am not using the 5:1 features of the amp, just one main channel to distribute throughout the house. If I have screwed up, please let me know and guide me.
thanks

 

[TLS Guy]

Speaker lead output from amp, main channel to the input of the speaker distribution cis-sls6. Each of the six leads from the dist panel to six volume controls in each room powering a one set of jbl in ceiling speakers.
Same setup I had in a previous home, different equipment. I am not using the 5:1 features of the amp, just one main channel to distribute throughout the house. If I have screwed up, please let me know and guide me.
thanks

I can't find a circuit or useful information on that cis-sls6 unit, but it seems to be an impedance matching switch and then you are going to volume controls.

My hunch is that you need straight or no switches, and just have the impedance matching volume controls do the job. I would just use impedance matching volume controls in each room and forget the switch.

Do you have a circuit for that odd switch?

Are you using right and left amplifier channels? Please explain what you mean by main amp. channel.

Stop using this system until we get you sorted out. You are headed to do major damage to your receiver by the sound of it.

 

[msgchef]

Hi
Yes I am using the left and right channels from Front A speaker connections. As far as the switch, my original setup was using a Xantech parallel block to distribute the speaker signal to the imep match volume controls. Which would give me the straight line to the imep matching volume controls as you indicated. I had the switch and thought that to be a solution. But no. I have taken your advice and not used the recvr till this is resolved.
Any new thoughts?
Appreciate it.
P

 

[Shock]

From what I can tell you have a whisker short on one of your speakers. Check ALL connections to the speaker themselves as well. Even with ceiling speakers it's possible for one of the fine copper strands to cause a very small short.

 

[TLS Guy]

From what I can tell you have a whisker short on one of your speakers. Check ALL connections to the speaker themselves as well. Even with ceiling speakers it's possible for one of the fine copper strands to cause a very small short.

That is really good advice. If you don't find a bad connection, then you will need to check this out with an ohm meter.

You will need to check the impedance back at the receiver to each speaker wire, and with each set of speakers switched in turn, and then with two set and three sets. Also you will need to vary the control settings and see of the impedance is staying constant.

 

[msgchef]

Ok
Good advice. This is going to take some time considering where the speakers are located. I will reply to you when complete and I thank you for your patience in my explanations.