For us to understand the electrical requirements of your system, we need more information like brand+models:
- What cartridge are you using? Cartridges differ in their electrical output
- What phono stage (preamp) are you using? Phono stages can differ in their electrical output amount of amplification from the cartridge output to line level for a preamp.
- Are you using a preamplifier before your amplifier? If so, what’s the brand and model?
- What is your amplifier?