Hi All,
This is my first post on this forum, so hello everybody. I read various useful threads during the years, but this time I need some direct suggestions from you Threshold lovers. In the last 2 years I became the owner of an SL10, a pair of SA2 (optical bias) and a S450e (not sure if it has the optical bias). They are keepers, so I am thinking to let them restored, and so I would like to have some suggestions regarding what I have to do to keep them alive and at their top quality.
The SA2 seem to work just fine, very good control of the speakers and sweet if I don’t push too much, then a bit harder and less warm at higher volumes, but I think it’s normal . The SL10, which I use with a top level Sondek LP12, is working well: very open, detailed, but sometimes seems a little harsh / dirt sounding, especially on some LPs. But again, maybe in those cases it’s just the recording. However sometimes sibilance in voices in particular on “Ssss”, are quite annoying. But again, in general I like it for its transparency, that just sometimes seems to get lost, or better to lose some transparency, in some difficult passages with plenty of instruments playing. The S450e quite similar to theSA/2, just a little bit less sweeter but very pleasing, with great control on speakers. Here again is some passages where there is plenty of instruments, the sound became a little bit confused, more dirt. Sibilance “Ssss” are present much more than in the SL10. In the 450e there is one thing that worries me and has to be addressed: a very low level noise in the right channel, that can be heard going near the speaker, in mid frequency in particular I can hear a noise similar to boiling water, if this could be an example.
So after this long description, I ask you, what would you do in my shoes? I don’t do the restoring by myself but a friend of mine does, if I provide the “instructions”, For the SL10 I found a great thread in this forum with all the tips to follow step by step to get it restored. I didn’t find something similar for the SA/2 nor the 450e, so do you have any suggestions? For example, changing just the electrolytics and leave all the rest as it is? I would like to be conservative with the restoring and change only the things that after so many years have to be changed for sure. What do you suggest?
For the SL10 I found this
https://www.diyaudio.com/community/threads/recapping-threshold-sl-10.114154/
Regarding the amplifiers, my idea was to listen to your advices , eventually change what has to be changed for sure, and then let them checked for a proper bias setup. Right now after a few hours the temperature seems ok, i.e. a little bit warmer than 37 degrees...
I hope I was clear enough, sorry English is not my language...
Giacomo
This is my first post on this forum, so hello everybody. I read various useful threads during the years, but this time I need some direct suggestions from you Threshold lovers. In the last 2 years I became the owner of an SL10, a pair of SA2 (optical bias) and a S450e (not sure if it has the optical bias). They are keepers, so I am thinking to let them restored, and so I would like to have some suggestions regarding what I have to do to keep them alive and at their top quality.
The SA2 seem to work just fine, very good control of the speakers and sweet if I don’t push too much, then a bit harder and less warm at higher volumes, but I think it’s normal . The SL10, which I use with a top level Sondek LP12, is working well: very open, detailed, but sometimes seems a little harsh / dirt sounding, especially on some LPs. But again, maybe in those cases it’s just the recording. However sometimes sibilance in voices in particular on “Ssss”, are quite annoying. But again, in general I like it for its transparency, that just sometimes seems to get lost, or better to lose some transparency, in some difficult passages with plenty of instruments playing. The S450e quite similar to theSA/2, just a little bit less sweeter but very pleasing, with great control on speakers. Here again is some passages where there is plenty of instruments, the sound became a little bit confused, more dirt. Sibilance “Ssss” are present much more than in the SL10. In the 450e there is one thing that worries me and has to be addressed: a very low level noise in the right channel, that can be heard going near the speaker, in mid frequency in particular I can hear a noise similar to boiling water, if this could be an example.
So after this long description, I ask you, what would you do in my shoes? I don’t do the restoring by myself but a friend of mine does, if I provide the “instructions”, For the SL10 I found a great thread in this forum with all the tips to follow step by step to get it restored. I didn’t find something similar for the SA/2 nor the 450e, so do you have any suggestions? For example, changing just the electrolytics and leave all the rest as it is? I would like to be conservative with the restoring and change only the things that after so many years have to be changed for sure. What do you suggest?
For the SL10 I found this
https://www.diyaudio.com/community/threads/recapping-threshold-sl-10.114154/
Regarding the amplifiers, my idea was to listen to your advices , eventually change what has to be changed for sure, and then let them checked for a proper bias setup. Right now after a few hours the temperature seems ok, i.e. a little bit warmer than 37 degrees...
I hope I was clear enough, sorry English is not my language...
Giacomo