Vista 1 manual Thank YOU

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Dear Customer

We at ENG Vista want to take this opportunity to thank you for purchasing the Model 1 Experimenter’s SE Audio Amplifier. The people that stand behind your amplifier draw on more than a decade of professional electronics design and manufacturing experience. We are committed to providing our customers with the high quality sound at an affordable price. We have achieved this goal through modern design, quality parts, expert components sourcing and efficient manufacturing. We are confident that your amplifier will be a pleasure to experiment with and that you will gain a valuable experience. When you are ready to move to the next stage in your experimental work, the Model 1 will give you many years of listening pleasure as a part of your audio system.

Before using this amplifier, please take the time to carefully read and understand the safety instructions and operating procedures. Becoming familiar with all details about your amplifier will ensure safe usage and reliable operation. Take special care when operating with high voltages and making adjustments.

The effort you invest now will be well rewarded as the time goes by.

THANK YOU!

ENG Vista, Inc.

YOUR SAFETY IS VERY IMPORTANT TO US. PLEASE READ CAREFULLY THE FOLLOWING NOTES AND SAFETY PRECAUTIONS. THANK YOU.

This kit is not intended for beginners. It requires familiarity with safe procedures for tests, measurements and modifications of high voltage equipment.

Exercise extreme caution when working with high voltages and always unplug the power before making any changes or adjustments.

NOTE: Please make sure to check our website at http://audio.engineeringvista.com for updates, test results and latest news. On our website you can also order spare parts. Feel free to contact us with any questions or comments. We are looking forward to hearing from you.

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Contents Model Thank YOU Safety Precautions Page Getting Started Assembling the KIT Electrical Schematics Connections16-19V Board Layout and Dimensions Page Configuration Jumpers Mode of Operation Configuration Jumpers Grid Bypass CapacitorHeater Configuration Jumpers Configuration Jumpers Negative Feedback SelectionConfiguration Jumpers Triode Parallel Connection Connecting Power Connecting Output Transformers Connecting SpeakersConnecting Headphones Volume Control and Audio InputsUpside Down Assembly Final Words Parts List EPN