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Summary of Contents for Trafomatic Audio EOS
- Page 1 Trafomatic Audio Stereo Integrated Tube Amplifier And Stereo Power amplifier User’s Manual www.trafomaticaudio.com rev. 1...
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Page 2: Table Of Contents
Trafomatic Audio Stereo Integrated Tube Amplifier and Stereo Power amplifier Table of Contents Section Page No. Safety Precautions 3, 4 Getting Started About Your Amplifier Construction and Testing Packaging/Unpacking 5, 6 Accessories Preparation for Use Operating Procedures Controls and Their Functions Vacuum Tube Layout: Tube Replacement 8, 9... -
Page 3: Safety Precautions
Trafomatic Audio Stereo Integrated Tube Amplifier and Stereo Power amplifier SAFETY PRECAUTIONS IMPORTANT SAFEGUARDS PLEASE READ CAREFULLY ALL THE FOLLOWING IMPORTANT SAFEGUARDS THAT ARE APPLICABLE TO YOUR EQUIPMENT CAUTION! TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE SCREWS. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. SAFETY 6) Power Cord Protection 1) Read the User’s Manual and refer to it... - Page 4 3) For indoor use only. 3) Biasing the amplifier PLACEMENT The EOS amplifier uses tubes in fixed-biasing con- figuration and requare adjustments after change out- 1) Accessibility put tubes (KT120). Folow the Biasing text for correct It is normal for a vacuum tube power amplifier to run biasing.
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Page 5: Getting Started
The EOS uses four Tungsol KT120 power output the shipment. tubes, two ECC99 drive tubes and two 5687 input tubes.The EOS is designed to work in a Push-Pull Packaging class AB. Parts are carefully chosen for the optimum sound quality and the overall circuit layout is maxi- Save all the packaging in a dry place. Your amplifier is... -
Page 6: Operating Procedures
NOTE: 4 ohms and 8 ohms speakers cannot be connected to the speaker terminals at the same time! Make sure your amplifier is properly connected to a high-current power receptacle. 3. WARNING for EOS power amplifier: The EOS power amplifier is power amplifiers. This means they are always on at full power.Applying uncontrolled line signal, or a signal from a preamplifier with volume control fully open will result in full power out. This can damage your speakers or ears. Always take care volume con- trols are in the proper position and that you use a controllable source. -
Page 7: Controls And Their Functions
Trafomatic Audio Stereo Integrated Tube Amplifier and Stereo Power amplifier Controls and Their Functions Left Side Panel Power Switch: Press the power switch to (1) Audio signal connection jacks - Use these turn the power on. Within 10-20 seconds, as the jacks to connect the audio interconnects from heaters reach operating temperature the tubes your components to the amplifier. -
Page 8: Tube Replacement
Stereo Integrated Tube Amplifier and Stereo Power amplifier TUBE REPLACEMENT We do not recommend frequent changes of the Your EOS amplifier’s conservative design maximizes tubes, as the sockets are sensitive mechanical life of the tubes. You can expect that your Tungsol parts and are rated for relatively small number of KT120 tubes will last in excess of 1000, while the insertions. -
Page 9: Biasing The Amplifier
You’ll notice a meter dead center on the front the screw. You’ll see with a turn or two the needle facade of the amp. It’s more than just the ‘O’ in EOS, will move. Don’t worry about things being too awfully it’s also the meter you’ll use when biasing. -
Page 10: Technical Specifications
Trafomatic Audio Stereo Integrated Tube Amplifier and Stereo Power amplifier Technical Specifications: Maximum output power: 100W Class of operation: A (till 10W ), Class AB till 100W THD: 3.5% max (100W/1kHz) Bandwidth: 10Hz-85kHz Inputs: 3xRCA , 1x XLR for integrated version. For power amp: 1xRCA , 1xXLR. Input sensitivity: 0.8Vef Input impedance: 100 kohm... - Page 11 Trafomatic Audio Trafomatic Ltd. Andije Habusa 15 11400 Mladenovac, Serbia www.trafomatic.com Trafomatic Audio ® is a registered trademark of the Trafomatic LTD. Copyright 2007 - 2012 by Trafomatic. All rights reserved.
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