Hi, is there a possibility to amp up my pm6004?
in stead of seloing and buying a more powerfull one, because the sound delivery is excellent of the pm6004
because i think the pm 6004 can't power some serious bookshelf speakers, iq30 for example
Try running it on 480 volts.
Should 'amp it up'.
What you are really asking is whether you can add an external power amp to the Marantz. Unfortunately not, as it doesn't have a pre-out. I'm not sure it would necessarily be the most cost effective solution anyway.
My recommendation would be to seek out a used PM7001 (normal one or the KI Signature) or PM7200 which will give you the Marantz sound but with more power.
Rega RP3/Elys2 - Marantz CD63SE - Exposure 1010 - Dynaudio DM2/6
PC/Qobuz Hi-Fi - NAD C521BEE - Musical Fidelity V90HPA - Sennheiser HD595/Beyer Dynamic DT770PRO
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