17.Unplug this product from the wall outlet before making any changes. Wait until tubes have cooled down.
18.When using replacement parts, be sure to use parts with sufficient voltage and power rating and adequate current carrying capability.
19.Should it become necessary to replace your tubes, remove the AC power plug from the wall and allow thirty minutes for the high voltage capacitors to discharge.
20.If you have any questions regarding safe and reliable operation of your amplifier, please email us at audio@engineeringvista.com
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