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O W N E R S M A N U A L
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INTRODUCTION
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The Z-ROCK was designed to restore missing bass and tone to your music. Originally
the idea was to make classic rock internet streams sound better, but it has since
morphed into the ultimate black box that can make everything sound better.
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APPLICATION
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Install the Z-ROCK between your source and preamp/amplifier. The maximum input
voltage the Z-ROCK will accept from your source component is 4 volts. If you have a
high-output DAC, adjust the output level to somewhere between 2 and 4 volts but no
higher.
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POWER
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You will quickly discover that the Z-ROCK doesn't have a power switch. You simply
plug it in, it will come on and stay on indefinitely. This is done so that it remains
warmed-up and "in the zone" at all times ensuring a warm and liquid presentation. It is
possible to have this luxury because the Z-ROCK runs the tube at lower voltages that
create precious little heat and preserve tube life.
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TUBE
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The tube used is a single 12AU7, 12AU7A or 5963. The tube is installed through the
front making it easy to access. To remove the tube, it is advisable to wipe it with a
touch of rubbing alcohol and in the process wipe your finger tips as well. Without
finger oil on the tube or your fingers, it will be easy to remove the tube. The tube will
typically last longer than its rated lifetime (in some cases up to 10,000 hours).
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FUSE
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The fuse is located inside the IEC power cord jack on the back of the Z-ROCK. Use
1.6 Amp fast or slow blow if you live in North America, and use a 1 Amp fuse for
countries with 220~240 Volts. There is a spare fuse inside the fuse holder, but if
replacements are purchased, the size is 5x20mm.
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Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com
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