I'm trying to wire up a BA183 using the diagram from the JLM site.
http://www.jlmaudio.com/JLM1272simplemod.pdf
Except I have used the larger 4700uF capacitors on the N and the M pins
The output is the recent custom wound Carnhill job.
But I am using the unheard of Amethyst Designs input transformer.
It is rated as a direct repacement for the 10468, with the same values for primary and secondary windings.
In theory this should work, but I have nothing to compare it with to see if it is suitable.
The problem is the audio is very weak and thin. Am I not loading the transformer properly using the diagram?
The transformer only has 8 wires coming from it.
I have guessed that the wires measuring the lowest resistance with a digital meter are the primaries. And the higher resistance are the secondaries. And simply connected them in series on each side.
Have I missed something or is it the transformer?
It also hums quite nastyily, but I figured i'd get the audio sounding right before I worried about that.
Please someone help if they can.
http://www.jlmaudio.com/JLM1272simplemod.pdf
Except I have used the larger 4700uF capacitors on the N and the M pins
The output is the recent custom wound Carnhill job.
But I am using the unheard of Amethyst Designs input transformer.
It is rated as a direct repacement for the 10468, with the same values for primary and secondary windings.
In theory this should work, but I have nothing to compare it with to see if it is suitable.
The problem is the audio is very weak and thin. Am I not loading the transformer properly using the diagram?
The transformer only has 8 wires coming from it.
I have guessed that the wires measuring the lowest resistance with a digital meter are the primaries. And the higher resistance are the secondaries. And simply connected them in series on each side.
Have I missed something or is it the transformer?
It also hums quite nastyily, but I figured i'd get the audio sounding right before I worried about that.
Please someone help if they can.