@ auxinput
¨Stock – JC1 has a very refined sound, midrange is very smooth and refined. Emphasis is tilted slightly towards the upper midrange which causes the audio to sound just a little bit thin in the midbass area. Sound is soft. Overall, sound to me is just a little bit low fidelity. It’s very smooth and refined, but just doesn’t sing or have that effect of sounding real.¨
Your above observations are exactly how my JC1s, purchased sometime ago, sounded to me before total break in.Too closed in and to be blunt, dull. In fact I mailed the late Bob Crump (R.I.P.) stating that although I appreciated their smooth refined sound I felt they were lacking top end extension to which he answered and I´m paraphrasing, ´give them time and they will open up nicely´. Which they did.
So I would encourage you to keep them working with the original fuses for awhile longer and after, if you notice the change in sound I´m speaking about, reevaluate the effects of different fuses. In fact I was ridiculed in a long ago post by another member for recommending that JC1s require the 1500 hours to finally sound their best. I believe this to be the case with most if not all new components and probably the reason for so much turn around of gear that new owners experience for lack of patience.
Regards
