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#11
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George makes a good point. There have been many threads over the past several years discussing the improvements McIntosh unveiled with the 452 and 601's and I am sure the 611's and 1.25k also sound a bit different from the 1.2k's. You may also wish to try a different tap off the back of the 1.2k's than you previously used with the 452.
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#12
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Thanks nicoff - good to know...my sparky and I did check whether this was necessary and thought not given the amps run on 240v over here which means only a max of 6.5amps each rather than 13amps for you guys in the USA. |
#13
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Different brand, and probably not a related situation - but I just went through something (not exactly the same) but similar after upgrading my last two amps, caps, hexfreds, diodes. At first was sorta bummed, and kept being reminded to give the first 100-200 hours of break in time on the big new Silver/Gold caps, and other bits. Sure enough, at 100, 200hrs, definitely noticed improvements closer to where I wanted to be overall; even so was "still not the same or better as I'd hoped". Then, by accident, figured it out swapping back in one pair of interconnects DAC to Pre-amp, back the old interconnects and "wallah", there it was, found the rest of the open sound stage and tone I'd been missing or wondering where it went. Thought I'd ask just for grins anyhow, good luck. Last edited by decooney; 02-24-2018 at 09:56 PM. |
#14
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From what I know the dealer has had them for six months using them on and off - it's possible they aren't completely run in... When we auditioned them we did compare them against the 601's and preferred the 1.2kw's - the audition was however with different speakers being Sonus Faber Homage Amati's but same source and pre-amp as mine. |
#15
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Considerations towards:
* Additional power cable * Length of interconnect, power and speaker - you may be to short or long depending * Outlet placements if not centralized * Floor real estate * Exposed cables * Potential need for platforms situation depending, and I don’t recommend setting on carpet. |
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