Let's talk resistors!

General discussion area for tube amps.

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martin manning
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Re: Let's talk resistors!

Post by martin manning »

billyz wrote:I apologize if this discussion has disintegrated due to my side comments. It was originally about the merits of CF an MF type resistors. I pointed out that I have found not all CF or MF are constructed the same and do not sound the same.

Many old cheap amps were made, just like today, But old Fenders were not Cheaply made. Actually a very good balance of quality, construction and cost control. The same can be said for most other professional models, like Standel, Ampeg, Traynor, And even the quirky british models.

A single component is not the holey grail of all tone, capacitor, transformer, wire, chassis, construction, layout, pot, tube, or resistor.

I am glad there is not one consensus on the correct part for the building of amplifiers. I left the Flatland many years ago.
Nah, it's all good, and I agree with you 100% here. I'm also a big fan of Leo's. Just look at how many Fender guitars and amps are still in use after 50 years.

It might be easy enough to set up a simple listening test for resistors: Make up a 10:1 voltage divider with a switch so that two or more resistor types or brands of the same value can be switched in as the series leg. Then, drive it with a hi-fi and listen to the output with headphones.
diagrammatiks
Posts: 558
Joined: Sun Mar 27, 2011 12:28 am

Re: Let's talk resistors!

Post by diagrammatiks »

I've been trying whatever resistors I can get my hands on.

I really like the vishay rn60/65s for general use.

I'm using the irc gs3 that handmade sells in the build I'm currently working on.

The vishay's at least are miles above the stuff that's commonly available. Cheap enough to be almost a no added cost replacement too.

Also I really hate reading color bands.
Zippy
Posts: 2052
Joined: Tue Apr 25, 2006 11:18 pm

Re: Let's talk resistors!

Post by Zippy »

Andy Le Blanc wrote:those are billed to reduce magnetic distortion...
"Magnetic distortion" due to what? Sweeping magnetic waves from an atomic blast? Sun spot activity???

Testing a resistor to see if it is magnetic only tells part of the story - if there is a wire that is not ferromagetic, you won't get a rise with a magnet.
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