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Recent content by kauai82

  1. K

    Op amps in Fosi Audio X5 phono preamp ?

    Which op amps are in the X5 and can they be replaced easily ?
  2. K

    V3 Mono Op-amp rolling

    I am running a single 48V 10 amp Fosi supplied PSU. Remember what voltage is at the op amp sockets on pcb board is not the same as the total PSU output. I use the Muse02 currently and they work great in V3 mono.
  3. K

    V3 Mono Op-amp rolling

    Op-Amp rolling with Fosi V3 Mono. Above are the OP-Amps that Fosi has tested in the V3 Mono. I have some JRC Muses02 on order and will be discussed when I can test them, but I was able to also test two op-amps that are not on the list. The OPA0627AU and the SX45B will be reviewed. Above...
  4. K

    Thoughts on the Fosi V3M after a week.

    Fosi V3 Mono thoughts --- I have had the V3 Mono’s for about a week now and have been very impressed with the sound quality and overall presentation of the imaging and the sound stage of these smaller amps. In an earlier post I talked about some of the differences and similarities to the Fosi...
  5. K

    My Impressions Fosi Audio V3 Mono

    My first impressions of the V3 mono blocks. When Fosi sent out the V3 mono amps for my review I was not that excited. I thought it would be a very similar sound signature to the ZA3, which I loved, but no great leaps in sound quality. I could have not been more wrong in my assumptions. These are...
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