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Teres

Mono Power Amplifier

by Thrax Audio

Operating Manual

Manual issued 30

/

11

/201

4

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.
DO NOT OPERATE THE UNIT IF WET OR NEAR WATER.

THE AMPLIFIER IS FAIRLY HEAVY. BE SURE TO USE PROPER LIFTING TECHNIQUES TO AVOID

BACK STRAIN AND INJURY. BE CERTAIN TO INSTALL IT IN A SECURE LOCATION FROM WHICH

IT CAN NOT FALL OR TIP OVER.

WARNING:

Do not allow anything to touch the tube in normal operation – it becomes very

hot. Take care to keep everyone, especially children and pets, from being able to reach

and touch the tube, which becomes extremely hot and may cause serious injury. Never

touch a tube if the glass is broken. The internal structures carry high voltage and could

present a serious, possibly lethal shock. If a tube breaks, unplug the amplifier and wait 30

minutes, then remove the tube. Keep flammable objects away from the amplifier.

TIME SPENT FAMILIARIZING YOURSELF WITH THIS MANUAL WILL BE WELL REWARDED.

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Summary of Contents for Teres

Page 1: ...T IN A SECURE LOCATION FROM WHICH IT CAN NOT FALL OR TIP OVER WARNING Do not allow anything to touch the tube in normal operation it becomes very hot Take care to keep everyone especially children and pets from being able to reach and touch the tube which becomes extremely hot and may cause serious injury Never touch a tube if the glass is broken The internal structures carry high voltage and coul...

Page 2: ...ructions 3 2 Introduction 4 3 Specification 4 4 Unpacking and Installation Unpacking 5 Installation 5 5 Front Panel 6 6 Back Panel Inputs 7 Speaker outputs 7 AC Fuse 7 Battery 8 7 Operation 9 8 Tube replacement 10 CONTENTS 2 ...

Page 3: ...e plug has two blades and a third grounding prong The third prong is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet POWER CORD PROTECTION Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus LIGHTNING Unplug this...

Page 4: ...on RCA and one balanced on XLR Inside you get Inside you get Separate constant current PSU for the input tube and separate PSU for the output stage The input stage uses a property choke input rectifier and shunt regulator power supply solution for super low noise and stability The power supply uses a new breed of rectifier diodes made of a new material called Silicon Carbide that have no reverse c...

Page 5: ...rd visible by the main fuse either 115 or 230 volts AC The voltage may be select by means of the removable selector card located behind the fuse in the power connectors Remove the cards and reinstall so that the desired voltage may be read be certain to change the fuse to the correct value Connect the power supply to the power source indicated on the rear panel Avoid power conditioners that float ...

Page 6: ...Switches the unit on and off See OPERATION SECTION for details LED Indicator Red light indicates stand by mode green light operation mode Green light flashes during warm up time FRONT PANEL Status LED ON OFF Button 6 ...

Page 7: ...tors Either banana jacks bare wires or spade plugs can be used If bare wire is used be careful that no stray strands get loose that could cause a short circuit The Common or Ground lead connects to the black jack The Hot lead goes to red jacks Bare wires and spade plugs must be tighten by rotating the ratchet screw clockwise A C Fuses and Mains switch There are fuses located in the IEC power conne...

Page 8: ...t as long as its shelf life typically 5 years or more Replace the battery if it measure 3 0 volts or less Symptoms of weak battery are distortion and the C3g running hotter than normal Replace only with type CR2032 3 volt lithium battery Make sure that the battery is installed properly in line with the marks as shown on the picture below 8 ...

Page 9: ...er switch on the back panel to save power As with all high fidelity products the sound characteristic changes somewhat as it warms up Best sound will be achieved after about 15 minutes of operation Any time that the Teres 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...

Page 10: ...nd quality starts to deteriorate Before replacing the tube all power must be turned off Unplug the power cord from the wall and remove all audio interconnect cables Wait 15 minutes before removing the tube When removing the tube handle it carefully whit minimum twists Install the new tube firmly in the socket noting the location of holes in the socket and pins of the tube taking care to make sure ...

Page 11: ...NOTES ...

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