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What on earth is Loading and Gain

I feel like an idiot, but I have a Conrad Johson EF1 which has 47kohm, 1kohm (I think), 500ohm, and 200ohm. I have transfiguration temper and also a shelter 501.

I've decided to use the 501 for a bit. This has a 4mv output, the temper is 0.25.

I found my sytem sort of 'clipped' with the old settings of 52db gain and 200ohm.

I moved to 47kohm and this 'clipping' stopped, but the sound is now quite shut in, quieter, deeper, and darker.

Why is this?

can somebody explain this all to me?
lohanimal

Showing 2 responses by sbank

sbank's avatar
sbank
3,382 posts
 
The Shelter 501 usually sounds best loaded at 100 ohms. If you can't go lower than 200 ohms, that is the best of the options you listed. If the EF1 allows you to increase gain to 60-65db, that would help vs. the 52db setting. If not, you might want to consider trying adding a step up transformer such as those available from K&K or Bent Audio.
There is plenty in the archives on these topics. YMMV. Cheers,
Spencer
sbank's avatar
sbank
3,382 posts
 
Tom,
Thanks for posting in a way that continues to educate me and probably most of us.
For a guy who listens to equalizers, you sure know your stuff ;-)
Cheers,

Spencer
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