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In Reply to: Ultrapath's Gain posted by antares on March 25, 2003 at 07:54:39:
Sorry, but there is no way to increase the gain of the Ultrapath. Sounds like the problem is with your phonostage not having enough gain. You could either replace your phonostage or consider adding a step up transformer to it.Ron
Perhaps the gain can't be increased on the Ultrapath, Ron. But what about increasing the input sensivity by way of a higher impedance volume control? I have never seen a schematic of the circuit, so I don't know about this. In theory, replacing a lower value pot with one of greater value could increase the percieved loudness. However, if the preamp is also used for other sources this could pose a problem -- making those way too loud. On the other hand, one could off set this with series resistance from the inputs of the jacks to the selector switch....this is just a thought on something that might be tried.
...Or get a preamp with higher gain.
Erik
The volume control for the Ultrapath needs to be kept below 50K because of possible grid leakage from the 6GM8.Besides, increasing the value of the volume control at best might provide a 3dB increase. From the tone of his post I'm guessing he's looking for more than a 3dB boost.
Ron
Of course you know more about this than I, Ron. I just wanted to offer something that might be helpful in his case. Sounds like a phono stage with a little more oomph might be in order.
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