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Summary of Contents for Thrax Spartacus
- Page 2 Spartacus Mono Power Amplifier by Thrax Audio Operating Manual Manual issued 05/03/2012 CAUTION THE UNIT CONTAINS NO USER SERVICEABLE PARTS. DO NOT REMOVE THE COVERS. LETHAL VOLTAGES ARE PRESENT WITHIN THE CHASSIS. NEVER OPERATE THE AMPLIFIER WITH THE CHASSIS COVERS REMOVED.
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Page 3: Table Of Contents
CONTENTS 1. Important Safety Instructions …....…………........3 2. Introduction ………..................… 3. Specification ……..................… 4. Unpacking and Installation - Unpacking ……..................… - Installing the vacuum tubes ……............… - Installation ……..................… 5. Top Panel …....................… 6. Front Panel ……....................… 7. Back Panel - Inputs …..…...................…... -
Page 4: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS: All the safety and operating instructions of your Thrax Audio equipment should be read before power is applied to the equipment. RETAIN OWNER'S MANUAL: These safety and operating instructions should be retained for future reference. -
Page 5: Introduction
The Spartacus mono power amplifier is the world's finest audio amplifier and an absolutely unique component. Its unusual topology, premium parts, and flexibility make it a pleasure to hear and operate. Spartacus is two stage shunt regulated Directly Heated Triode power amplifier. Features 2 inputs –... -
Page 6: Unpacking And Installation
The Spartacus is shipped with the vacuum tubes removed. Tubes are supplied in separate box. Unpack carefully, keep in mind Spartacus weights 35 kg! Installing the vacuum tubes The drawing below shows the tube location. -
Page 7: Installation
INSTALLATION • Provide adequate ventilation. Do not operate on carpet or any other surface that might block air flow. The chassis will become warm in normal use! • Do not allow the chassis to touch any metal parts, such as the frame of an equipment rack. -
Page 8: Top Panel
TOP PANEL Amplification level switch – low, medium and high positions to match to the preamplifier output. Output impedance switch - 4 Ohm / 8 Ohm to match the loudspeaker impedance. EML 520B V3 Г811 PX25 6Д22С Output Impendance СГ13 Gain 4/8... -
Page 9: Back Panel
BACK PANEL Inputs A XLR jack is provided for balanced connection to a pre-amplifier. The "INPUT SELECT" switch is set to the BALANCED (down) position - the switch lights red. RCA (single ended) connection normally is made to the RCA jack. The INPUT SELECT switch is set to “RCA”... -
Page 10: Operation
Best sound will be achieved after about 15 minutes of operation. Any time that the Spartacus power amplifier has not been used for a few weeks the sound may be different. This is also normal for high resolution audio equipment. Optimum sound should return after a few hours of operation, preferably with an audio signal. -
Page 11: Tips: Impedance Matching & Tube Replacement
. Tube replacement Your Spartacus has a built in timer that counts the tubes working time. When tubes replacement is due, after swithing the unit on, the green LED will keep flashing after warm up time elapses. You may continue using your Spartacus mono amplifier but the sound quality will soon start to deteriorate. - Page 12 NOTES...
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