Vista 1 - Manual (Page 4)

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 [email protected]
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