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General Asylum General audio topics that don't fit into specific categories. |
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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: RE: Gear so New posted by genungo on April 2, 2014 at 14:59:19:
The most recent "break-ins" I have had to do involve the 'Muse' phono stage which I make - which has a 1uF output coupling cap, to stop any DC offset from passing into a preamp. There is also break-in of the PS caps ... but I believe this is more that, as the PS caps break in, the sound improves - rather than the variability which you hear with coupling-cap break-in.
As I'm one who believes in the concept of cap break-in (having heard the results), I simply put each new 'Muse' in between my tuner and my preamp and run it like this for 2 weeks. This does all the required break-in and the phono stage is then ready for listening to.
As to what the break-in sounds like ... all I can say is that it is variable. If you've bought a nice new amp and start listening to it ... you might wonder if you've wasted your money, as it can sound positely horrible (like, constricted sound stage ... no bass ... floppy bass ... chalk-on-blackboard highs etc.!!). :-((
If you do some long listening stretches, you might find that it suddenly starts to sound good ... then after a bit, it sounds bad again. The high-class teflon coupling caps that are often used in high-priced gear can take up to 400 hours to break in ... and this means music playing - not just switched on. :-))
BTW, this initial "break-in" is a different phenomenon to "warm up". Most gear takes some time to sound its best when switched on; this "warm up" is related to voltages settling within the circuit and steady-state currents being achieved in the valves & transistors. Some circuits reach this in 1/2 to an hour ... others take much longer; Naim specify 24 hours ... a well-regarded Aussie brand called ME specify 3 days! (That's why I keep my preamp, tuner and amps switched on 24/7.)
Regards,
Andy
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Follow Ups
- "A description of what it is that 'cap break-in' might sound like." ... - andyr 15:56:31 04/02/14 (7)
- Not that I'm doubting your assertions... - genungo 17:45:46 04/02/14 (2)
- RE: Not that I'm doubting your assertions... - andyr 18:31:11 04/02/14 (1)
- Thanks, bro... - genungo 20:29:46 04/02/14 (0)
- How does one know, as an engineer producing the product, that they'll all "break-in" with the same - tinear 16:31:53 04/02/14 (3)
- RE: How does one know, as an engineer producing the product, that they'll all "break-in" with the same - andyr 16:38:20 04/02/14 (2)
- How about this: you're eating a stew, but it's one of those incredible French ones with - tinear 17:49:35 04/02/14 (1)
- "I just don't think human senses are as fine as we like to think."??? ... - andyr 20:17:48 04/02/14 (0)
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