Do you mean .25 mV or 2.5 mV? 25 mV and you wouldn't have this problem.
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It sounds like you need more gain. That doesn't necessarily mean a 'better' phono stage, just as amplifiers with more power don't necessarily sound better than lower powered amps.
You either need a phono stage with more gain, or you can use the same phono stage and add a Step Up Transformer. Either way, your cartridge will play louder.
My cartridge has a 0.24 mV output, and my phono stage has 66 db of gain, how much gain does your phono stage have? I'll assume you meant that your cartridge has a 0.25 mV output.
My appolagies for breaking into this thread. I have the same problem! A phono stage with gain of 60 and a cartridge with 0.5 output. My stage is loaded at 47k which I assumed was for MM cartridges. What do I need in the way of a transformer to correct this. I read Jmcgrogan2's thread but it's a bit over my head. Suggestions please ....
Calbrs03, I have a BAT VK300x integrated with the phono card. They told me that the card was factory set at 47K. The card has a switch for MM/MC on it. The gain was 45/60. I'm tring to use a Lyra Skala cartridge. They say the impedance can be between 100/47k ohms. That doesn't make sense to me. I wonder if it's possible that I have the gain switch on the card in wrong position? Would I get sound at all at 45 db's of gain? I'll check out your suggestions.