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Summary of Contents for Trafomatic Audio Premise
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Page 1: Trafomatic Audio
Trafomatic Audio Premise Stereo Integrated Tube Amplifier User’s Manual www.trafomaticaudio.com rev. 1... -
Page 2: Table Of Contents
Trafomatic Audio Premise Stereo Integrated Tube 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 Servicing Technical Specifications... -
Page 3: Safety Precautions
Trafomatic Audio Premise Stereo Integrated Tube 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 Trafomatic Audio Premise Stereo Integrated Tube Amplifier ENVIRONMENT ing. Do not use liquid cleaners or aerosol cleaners. Use a dry cloth for cleaning. Do not use any type of abrasive pad, scouring powder or solvent such as al- 1) Water and Moisture cohol or benzene.
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Page 5: Preparation For Use
The Premise Integrated amplifier uses four the shipment. EL84/6BQ5 output tubes per channel, driven from an two ECC81. The Premise Integrated amplifier is Packaging designed to work in a Push-Pull class A Triode/Ultra- linerar mode. Parts are carefully chosen for the op- Save all the packaging in a dry place. Your amplifier is... -
Page 6: Operating Procedures
Never run the amplifier without speakers connected since that may damage the transformers. Speaker’s minus terminal should be connected to the speaker terminal marked as zero (0) and positive termi- nal should be connected to the terminal that corresponds to the speaker’s nominal impedance (4 or 8 ohms). The amplifier is optimized for these impedances. Higher or lower impedance will result in higher distortion or loss of power. Do not use a speaker with impedance lower than 2 ohms on either of the outputs. Make sure to prevent short circuit at the amplifier’s speaker terminals as that will damage the amplifier. Figure 3: Premise amplifier speakers connection 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. Always take care volume control is in the proper position. The amplifier will be fully functional after only a couple of minutes. However, as it warms up over the first 30 minutes of operation you may notice slight improvement in the sound quality. -
Page 7: Controls And Their Functions
Trafomatic Audio Premise Stereo Integrated Tube Amplifier Controls and Their Functions Back Panel Power Switch: Press the power switch to (I) turn the power on. Within 10-20 seconds, as the heaters reach operating temperature the tubes will begin to glow a soft orange light. Press the power switch to (0) to turn the unit off. As the heaters cool off, the orange glow will slowly dis- appear. -
Page 8: Tube Replacement
Carefully align the pins with the sock- et and gently insert the new tube. Never force a tube into a socket. Should you decide to buy replacement tubes from Trafomatic Audio, rest assured that they were fully tested before the shipment. Only EL84/6BQ5 power tubes can be used. -
Page 9: Technical Specifications
Trafomatic Audio Premise Stereo Integrated Tube Amplifier Technical Specifications: Stereo Integrated tube amplifier Class of operation: Push Pull class A Triode/ Ultralinerar mode Tubes complement: 8 x EL84, 2 x ECC81 Inputs: CD, Tuner, Aux Outputs: 4 , 8 ohms Input sensitivity: 0.85Vrms THD: 0.25% - 1W/1KHz Bandwidth: 10Hz (-1dB) - 50KHz (-3dB) - Page 10 Trafomatic Audio Notes...
- 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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