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In Reply to: Re: Ack!DAC posted by Kuei Yang Wang on June 12, 2003 at 15:45:32:
They say it lasts only 4 hours... I'd be charging it every night... it would be worth a few hundred more to avoid this, IMO, but not at the expense of sonic degradation of course.
Follow Ups:
Hello subhuman,If you have good charging hygiene (i.e., after 4 hours you shut the unit off), the cells usually charge within 15-20 minutes. It is designed to automatically charge when the unit is off. With short charge cycles between every use, you could feasibly use it for 20 hours a day. No overnight charging in this design. Good battery maintenance habits are no more work than similarly remembering to stop your turntable after each listening session.
Provided that you follow the battery care rules outlined in the manual, the batteries should last at least two years, probably three, assuming full cycle on the cells (four hours) one to two times every day. That is up to eight hours of listening, which is a lot more than many people do in a week.
Best,
Chris
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http://csown.dhs.org/hi-fi.html
Koinichiwa,Well, for me at least 4H on and 20min off are a little unattractive. Is there any way of having a "charge & play" option for "noncritical" listening?
Hello Kuei,As stated on the website, this converter may not be for everybody. While the unit can be enjoyed by all, many of our customers are part of the vinylphile community - people who have not been satisfied with CD reproduction and wish they could better enjoy the media. A common listening paradigm is to enjoy CD's for a rather long time (about 5 discs), then for example switch to vinyl during charge, then continue CD playback afterward.
There is not a play-while-charge option as the system is designed for simplicity and performance. To support an extra charging option would mean an extra set of switches, complex charging circuitry, and more complicated care instructions. This goes against its design philosophy. The attention in this design has been paid to the D-to-A circuit, with the assumption that it has the best power supply in the world.
The performance of the cells depends on the discharge cycle, ambient temperature, and charging technique; deep discharges will dramatically shorten the lifetime of the cells. As a manfuacturer, our recommendations are naturally conservative to ensure long-time customer satisfaction. If you have very good charging hygiene, you can extend the listening cycle to 6 to 8 hours, but it is not recommended and will likely shorten the lifetime of the batteries. Nevertheless, if a couple times every week you use the unit for 8 hours straight and immediately charge after each session, you will not be in bad shape. The replacement cost of the cells is minimal considering the initial cost of the unit, the extreme quality of the supply (as you know), and the portability of the unit. Please refer to the website for replacement cell pricing.
best,
Chris
http://csown.dhs.org/hi-fi.html
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