Krell Industries Digital to Analog Processor STUDIO 2 Owner's Reference Manual page 14

OPERATION
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NOTE: While your STUDIO 2 will perform beautifully from the
moment you turn it on, it requires a minimum warm-up period
of 8 hours before it begins to show its strongest sonic qualities.
It will continue to improve over time. Discrete components are
utilized in the analog output stage and the warm-up period allows
them to reach thermal equilibrium.
Your installation is now complete. Should you have any further
questions which are not covered in the remainder of this Refer-
ence, contact your authorized Krell dealer. We wish you many
hours of listening fulfillment.
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