It's not too evolutionary at this point but here it is...
1. Marantz amp's internal phono preamp
2. Mistral phono preamp (which I still own)
3. Audio Research PH5 Phono Preamp
Each separate preamp transformed the system...
1. Marantz amp's internal phono preamp
2. Mistral phono preamp (which I still own)
3. Audio Research PH5 Phono Preamp
Each separate preamp transformed the system...