Thermistor substitution - Marantz 4070

[tarior]

You should do at least a two point test to get a rough idea of the beta. BTW, what's wrong with the old one?

 

[quadmatrix82]

Th

You should do at least a two point test to get a rough idea of the beta. BTW, what's wrong with the old one?

There doesn’t seem to be many to choose from at mouser I got a 330 and 390 ohm ntc version to try unfortunately leg snapped on one

 

[petehall347]

330 will likely be a better choice .

 

[tarior]

330 will likely be a better choice .

It's within 10%. Theoretically it will be OK. Hopefully the beta is somewhat close to the original.

 

[quadmatrix82]

Great Thankyou

 

[quadmatrix82]

I

It's within 10%. Theoretically it will be OK. Hopefully the beta is somewhat close to the original.

put the 330ohm ntc thermistor in and all working ok thanks everyone for your help