Filter choke to replace a power resistor?

[JCSIFU]

Hello,
Can anyone help me?
I have a Yamaha T100 head from the late 80's (Soldano designed) and I am looking to do a mod to the amp where a Filter choke is used to replace the power resistor. The guys at Soldano were nice enough to email back to me that the mod was to replace a 500 ohm power resistor with the choke. How does one go about finding the right replacement choke for the job? I believe it is on the top right corner of the schematic I am tagging on to this post.

thanks,
jc

[FYL]

A > 4 H / > 80 mA choke such as the 125C1A sold by Doug
should be fine. Soldano used a 10 H / 80 mA choke.

[JCSIFU]

A > 4 H / > 80 mA choke such as the 125C1A sold by Doug
should be fine. Soldano used a 10 H / 80 mA choke.

Awesome, thanks.  I'll order it now,

jc

[Dave]

How does that Yamaha sound? I've always been curious about those things.

Dave

[plexi50]

The amp will loose some of the Sparkle (Chime) it now has using a choke in place of the resistor

If you use a choke it will sound smoother but you will definatley notice the difference

I like the resistor and the tone it gives in some amps. You just have to try it and see if you like it

[FYL]

How does that Yamaha sound?

The Yamaha sounds quite like an SLO with a crappy reverb section. Adding the choke brings it closer to the 50/100 sound.