moses189

Responses from moses189

subwoofer to speaker connection
I like to thank both yogiboy and gdnrbob for sharing their experiences. I especially like to thank      gdnrbob for taking time in looking up the Audio Physic sub manual. Although my sub is an older version, with cross over settings 32, 46, 61,80... 
subwoofer to speaker connection
Thanks a lot yogiboy.  The information really helps me to understand the connection better. I have now connected one pre-amp output to my amp, the second pre-amp output to my sub. I like to seek opinion of 1.whether it will be better to use the Hs... 
subwoofer to speaker connection
Lectron JH50(a 25 year old tube amp 50 w per channel) which is working well.  
amp and unwanted speaker vibration
Thanks for sharing opinions to fix my amp. I did one more experiment. I switched the speaker leads to 4 ohm terminal connection on my amp.( previous early onst of vibration is with 8 ohm connection)  now The vibration did not occur until about 2 h... 
amp and unwanted speaker vibration
Thanks jobs and voxer12 for sharing. I am still puzzled as to why electrical outlet with Belkin surge protector with power  filtration reduce the speaker vibration so much.  
amp and unwanted speaker vibration
Preamp, Transcendent phono preamp, Linn Sondek LP12). Thanks 
amp and unwanted speaker vibration
Thanks czarivy. A follow up question to seek advice from Audiogon members: since my Lectron HJ50 tube amp is over 25 years old, assuming it has been used 5 h a week for all these years, what other problems would I expect with continue use if I rep... 
amp and unwanted speaker vibration
Thanks for the advices from Shadorne and mgreen27. Any thoughts as to why using Radio Shack surge protector to connect amp power cord reduces the problem significantly? If I listen to music only for one hour, then no problem is detected. What woul...