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Trafomatic Audio EOS Series, User Manual

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Trafomatic Audio EOS Series User Manual Download Page 13

Servicing 

Because of its careful design and high manufacturing standards, your amplifier should normally require

     

 

 

 

 

 

 

 

 

 

 

 

only minimal service to maintain its high level of performance.

 

CAUTION: Lethal voltages are present inside the amplifier. Do not remove the amplifier’s bottom

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cover and do not tamper with components inside the unit even with the power turned off.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Servicing should be left only to authorized and trained personnel. 

 

 

 

 

 

13 

 

Summary of Contents for EOS Series

Page 1: ...1 ...

Page 2: ...2 ...

Page 3: ... EOS Stereo Integrated Tube Amplifier Stereo Power Tube Amplifier User s Manual http www trafomaticaudio com Rev 1 3 ...

Page 4: ...tting Started About Your Amplifier 5 Construction and Testing 5 Packaging Unpacking 5 6 Accessories 6 Preparation for Use 6 Operating Procedures 6 Controls and Their Functions 7 Vacuum Tube Layout 8 Tube Replacement 8 9 Servicing 9 Technical Specifications 9 4 ...

Page 5: ...source indicated on the marking label If you are not sure of the type of power supply in your home consult your product dealer or local power company 5 Grounding This product is equipped with a three prong IEC connector Always use power a cord with an adequate wire cross section and an electrical outlet that is grounded If you do not know whether the outlet is grounded consult your electrician or ...

Page 6: ...lace anything on top your amplifier that could obstruct the airflow and cause the electron tubes to overheat and damage the amplifier Do not place your amplifier in a closed bookcase overheating could occur Ensure that there is at least 8 200mm of open space above the amplifier 3 Surface Place the unit on a flat level surface Care should be taken to prevent objects from falling on or into the unit...

Page 7: ...omfortable space around that area when biasing the amp Give yourself a good 12 inches and this will be an easier exercise Now you re ready to switch on your amp I like to let the amp set for at least 3 minutes Once that time has passed we will begin the biasing You ll see the bias knob dead center on the top of your amp The tubes get a little hot so you ll want to use caution That s why we left th...

Page 8: ...afety problem and result in reduced lifetime of the product Any removal of the cover will void the warranty Getting Started About Your Amplifier Your EOS amplifier was designed to provide a significant value based on a high performance to price ratio that will exceed the sonic quality of good solid state amplifiers with its musical accuracy The EOS uses four Tungsol KT120 power output tubes two 6N...

Page 9: ...he shipment Packaging Save all the packaging in a dry place Your amplifier is a precision electronic instrument and should be properly packaged any time shipment is made Because of its weight it is highly probable that the unit will be damaged during shipment if repackaged in a box and packing other than that designed for the unit Preparation for Use Place your amplifier on a flat surface Before i...

Page 10: ...Speaker s minus terminal should be connected to the speaker terminal marked as zero 0 and positive terminal 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 impedances will result in higher distortion or loss of power Do not use a speaker with impedances lower than 2 ohms on either of...

Page 11: ...ower output This can damage your speakers or ears Always take care that volume controls are in the proper position as in turned down and that you use a controllable source 4 The amplifier will be fully functional after only a couple of minutes However as it warms up over 30 minutes you may notice a slight improvement in the sound quality 5 At the end of your listening session make sure to turn the...

Page 12: ...on your listening habits and your signal tubes at every other power tube replacement every 24 36 months This will ensure that the amplifier always performs at its best and tube failure will not overstress other parts Before you begin tube replacement you should make certain that the unit is turned off and disconnected from the AC outlet and that the current tubes have cooled down Allow sufficient ...

Page 13: ... only minimal service to maintain its high level of performance CAUTION Lethal voltages are present inside the amplifier Do not remove the amplifier s bottom cover and do not tamper with components inside the unit even with the power turned off Servicing should be left only to authorized and trained personnel 13 ...

Page 14: ...mplifier Input sensitivity 0 8Vef Input impedance 100 kohm S N 83 dB 1KHz 1W Output speaker impedance Speaker terminals for 4 and 8 ohms Tubes 4 x KT120 2 x 6N6P EV 2x 5687 Input Voltage 120V 60Hz or 230V 50Hz as marked on the real plate of power supply box Maximum input current 4A at 120V 2A at 230V Dimensions Width x Depth x Height 450mmx350mmx240mm Weight of amplifier 25kg Weight of power suppl...

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