Inductor question

[mike49504]

Im working on an amp that has the green bodied inductors..

The color bands are black,purple,yellow..

I believe the are 47 MH (micro Henery)

Wondering can i replace theese with a 47 micro farad 100 volt disk cap or not?

Reason im asking is because theese have been messed with and the legs are almost broken off

[Perry Babin]

You cannot replace an inductor with a capacitor.

I haven't found a source for anything close to the originals. Don't break the original.

[mike49504]

Ok thanks..

Next question is This amp is my friends and he wants me to see if i can get it working again...

Amp powers up and relays engauge but no output at all...


Do i need to start a new thread and list some voltages on the output driverboard pins and rail voltages ect??

[Perry Babin]

You don't need to start a new thread since it's your thread and the same amp.

Do you get rail to rail oscillation on the output transistors?

What driver board is it using?

[mike49504]

Ok first thing first i have to replace a few components..

The are diodes Marked P6KE400A they are 548 volt 0.6 Kw

I have brand new P6KE350A which are 482volts 0.6 Kw


Will the ones i have work ??

Or do i need to order the P6KE400A's ??

[Perry Babin]

You're looking at the wrong voltages on the datasheets. The number in the part number (i.e. 350) is the average breakdown voltage and it's only guaranteed not to breakdown at about 300v.

Why not refer servicing to someone like dB-R?

If you have made up your mind to repair it, order the right parts. If you install the wrong ones and there is a problem, you may waste a lot of time troubleshooting.