Mystere ca11 User Manual
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v2v1ca11 Tube basicsThe 6SN7 and 5AR4 tubes will have a life of about 10,000 hours.Here are some tips on using tubes:• Do not use treatments on tube pins or in sockets.• If you decide to experiment with other tube types, it’s best not to swaptubes in and out repeatedly, as you never want to cycle (pre)amplifierson and off rapidly. They should be left off for at least five minutes. Further,every time you insert a tube, you stand a chance of loosening the tubesockets. It’s okay to have fun, and we support that, but don’t go crazy andswap tubes in and out twenty times in a day.• Some tubes and tube socketshave a “center key” which must correspond!If you use“brute” force and misalign, you will damage important and ex-pensive parts of your preamplifier!!• The Mystère ca11 has a warm-up time of just a few minutes. While it isnot wise to leave tube power amplifiers on 24 hours a day, you may leavethis preamplifier on though it will result in more frequent tube replace-ment. Through experimentation come to a conclusion that fits comfor-tably with your lifestyle.• Break-in yields improvements. Every tube, when new, needs to be leftalone for a little while. So, when your preamplifier is new, or when youre-tube it, it may take a little time to settle in. There is however no fixed“time rule” for break-in.• Please note that tubes can vary electrically, and by plugging in the wrongtype of tube you can damage the preamplifier, and void your warranty.Mystère Tube TipSome 6sn7 tubes are moremicrophonic than others. Inyour ca11 the 6sn7 positionsmost sensitive to this are theinput tubes V1 and V2.Experiment if you wantwith different 6SN7 tubes inthe market to get your opti-mal sound. You also may ex-periment with the differenttube-dampers available inthe market to fine-tune youramplifier. |
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