I've a component selection very similar to yours, try those caps...
Sadly no, too much reverbs.
Maybe Silmic first version (ROS)
Why not use the Mundorf M-Lytic Bi-polar? Those are really good and have low ESR
Do
Those comes and goes always had a reason that I or we have discovered eventually. Bad grounding, badly soldered wire, etc... Mains quality never played a role on it.
How do I check the "going south" thing?
These are most recent measurements:
VDC -10.30; + 10.24
VACin -16.60; +16.72
DCout -1.6; +0.9
Here are some pictures.
http://wtrns.fr/BroYUZKEF8JCGU
I could additionaly make every angle you ask.
How do I check the "going south" thing?
These are most recent measurements:
VDC -10.30; + 10.24
VACin -16.60; +16.72
DCout -1.6; +0.9
Here are some pictures.
http://wtrns.fr/BroYUZKEF8JCGU
I could additionaly make every angle you ask.
I can't get rid of the feeling that something is wrong with my DCB1. It seems I've been here before: lack of articulation in rhythm, weak slam and bass. It's almost like somebody would play the drums with cotton buds.
Do you have different shunt resistors to try?
While those naked Vishays are the best for direct signal path I don't think they're as good for shunt... you need something that sounds bolder like PRPs or carbon films IMHO.
Those comes and goes always had a reason that I or we have discovered eventually. Bad grounding, badly soldered wire, etc... Mains quality never played a role on it.
How do I check the "going south" thing?
These are most recent measurements:
VDC -10.30; + 10.24
VACin -16.60; +16.72
DCout -1.6; +0.9
Here are some pictures.
http://wtrns.fr/BroYUZKEF8JCGU
I could additionaly make every angle you ask.
The way you checked is OK. Shows your mains are high enough to give margin. Regarding the pictures, maybe its better you solder the in/out wiring directly under the PCB on the connectors pads? Since you say it was always a contacts or good grounding thing, maybe worth a try.
ClaveFremen, do you mean current setting resistors?
No, the two 220K and 1M, see attachment.
Attachments
Dario, I've tried carbon films and other resistors in those and all critical positions previously. You are right, carbon films sounded bolder. But I prefer "nakeds" for their uber transparency. My problem is on bigger scale than mere tonality...
I wonder could it be heard on the file I have attached?
Salas, I've just followed your advice. Signal wires straight to pcb under it. Same sound.
I wonder also if could it be an amp related problem. For example bad amp rca connection?
I wonder could it be heard on the file I have attached?
Salas, I've just followed your advice. Signal wires straight to pcb under it. Same sound.
I wonder also if could it be an amp related problem. For example bad amp rca connection?
I wonder also if could it be an amp related problem. For example bad amp rca connection?
Weird stuff. Since its about anemic low region you are right to suspect possible power stage related issues also. A DC line stage why to periodically cut on bass if all healthy its beyond me. You need some tech tests and related equipment data so we can really say for that system as a whole. Or some luck with trial and error on connections and parts.
I don't understand these measurements.VACin -16.60; +16.72
DCout -1.6; +0.9
I don't understand these measurements.
Tx secondaries: 16.60V; +16.72
-1.6; +0.9 is Dc offset on output.
Sorry, if it's counterintuive.
I finaly managed to complete my Tea-bag Kit Dcb1 build.
The kit was very easy to use, and everything seems to work also!
I do have one measurement that is kinda well... Weird.
My Vout+ and Vout - are almost the same. 9.95V and 9.94V. What I read in the manual the Vout + should be higher then Vout- ? Is this bad?
The rest of the measurements:
Voltage drop on the power resistors: 1.764V and 1.861V
The output: Right 1.6mV dc
The output: Left 1.8mV dc
Led string -9.31V and +9.32V
I am using btw a 12v transformer, (for testing) would a 15 volt one be preferred?
The kit was very easy to use, and everything seems to work also!
I do have one measurement that is kinda well... Weird.
My Vout+ and Vout - are almost the same. 9.95V and 9.94V. What I read in the manual the Vout + should be higher then Vout- ? Is this bad?
The rest of the measurements:
Voltage drop on the power resistors: 1.764V and 1.861V
The output: Right 1.6mV dc
The output: Left 1.8mV dc
Led string -9.31V and +9.32V
I am using btw a 12v transformer, (for testing) would a 15 volt one be preferred?
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