VAC Musicbloc Master 300 iQ Operation & Maintenance Information page 4

Mono/dual stereo beam power amplifier
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INTRODUCTION
The VAC Master 300 is a unique power amplifier, and one of the mret powerful and detailed in VAC's history.
Featuring a new fully balanced direct-coupled input & driver circuits, extremely fast and vivid sound is achieved.
This amplifier features VAC's patented* iQ Continuous Automatic Stable Bias System. This revolutionary invention
is the only approach capable of keeping the true underlying idle point of each output tube unvarying and steady
at all times. This leads to an uniquely stable operating point and an unvarying relationship between the output
tubes and the speakers. The result is more detail, control, and nuance, from the tiniest whisper to the loudest
crescendo.
The Musicbloc™ design is capable of being operated as a mono amplifier or as a dual-mono (stereo) amplifier.
The chassis is machined from thick aluminum, finished in a combination of hand polished metallic base coat/clear
coat and high temperature powder coat paint.
The Master 300 is designed not to the latest fad but to substance, for the highest possible sound quality. Time
spent familiarizing yourself with this manual will be well rewarded.
* The VAC iQ Continuous Automatic Bias technology is protected by U.S. Patent 8, 749,310; worldwide patents
pending.
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