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Conventions

This manual uses the following conventions;

Bold

indicates emphasis or a minor heading.

Italic Bold

refers to a sub heading of a chapter.

This symbol refers to Notes containing important information set off from the text.

THIS SYMBOL REFERS TO CAUTION MESSAGES AND PROCEDURES WHICH IF
NOT OBSERVED CAN LEAD TO DAMAGE OR INJURY

Contents - 2

Summary of Contents for SeM-02

Page 1: ...THE SEER PREAMPLIFIER BY TUBE TECHNOLOGY USER S MANUAL Applicable to PHONO LINE MODEL TT PART No SeM 02 Printed in England 1st Edition May 1994 i...

Page 2: ...ding this manual please put it away in a safe place for future reference We have done our utmost in the design and build of the Seer to ensure you a low maintenance trouble free preamplifier that will...

Page 3: ...udio Connection Rear Panel Connecting the Seer s Inputs Outputs Operating your System Front Panel Switching your Seer On Off Front Panel Functions Operational Notes Running In Burning in your Preampli...

Page 4: ...hasis or a minor heading Italic Bold refers to a sub heading of a chapter This symbol refers to Notes containing important information set off from the text THIS SYMBOL REFERS TO CAUTION MESSAGES AND...

Page 5: ...he following items are included in the packaging of the Seer 1 x Seer Preamplifier 1 x Reference Manual Registration Card 1 x IEC Mains Leads only on serial nos 6022 and up 1 x Allen Key Your pre ampl...

Page 6: ...rear panel of the unit See diagram 1 Check that this voltage complies with your local supply When using a pre power combination it is essential to ensure that no earth loops occur this is when too man...

Page 7: ...LOW E or EARTH or BLUE N or NEUTRAL or BLACK BROWN L or LIVE or RED If your mains plug has a fuse please fit a fuse with 5A rating IF YOUR SEER IS NOT SET CORRECTLY FOR THE LOCAL SUPPLY OR IF YOU INTE...

Page 8: ...reamplifier should be allowed as this is where most of the heat is generated Dedicated racks are available for housing your tube equipment contact your dealer or Tube Technology Do not locate the prea...

Page 9: ...Audio Connection 4 1 Audio Connection This chapter contains information on Connecting the Seer s Inputs Outputs Rear Panel Diagram 1...

Page 10: ...eck The source to be recorded is selected by means of the input selector switch on the right hand side of the front panel See Diagram 2 This terminal is used to ground any inteconnecting leads which h...

Page 11: ...e moving coil cartridges with outputs in the order of plus 0 5millivolts An external step up device is required for use with low output moving coil cartridges If you have a Line Seer this input is abs...

Page 12: ...Operating your System 5 1 Operating your System This chapter contains information on Switching your preamplifier ON and OFF Front Panel Functions Operational Notes Front Panel Diagram 2...

Page 13: ...lume Control Selects the source of the input signal PHONO Selection for listening to a Vinyl Recording from a Turntable Not functional in a Line Level Seer CD Selection for listening to a Compact Disc...

Page 14: ...es peak performance levels 15 20 minutes after switch on Unless absolutely necessary it is not recommended that you leave your preamplifier permanently switched on this only wastes electricity and tub...

Page 15: ...ss simply allows for new components like tubes capacitors and resistors to settle and sweeten enhancing the amplifiers sonic performance An estimated 40 hours of operation allows your Seer this runnin...

Page 16: ...Anodised parts such as the front panel and top covers of the Seer painted parts such as the bottom cover are best cleaned with a damp cloth then buffed with a dry cloth DO NOT apply any kind of polish...

Page 17: ...Diagram 3 Maintenance 7 2 WARNING ELECTRIC SHOCK HAZARD HIGH VOLTAGES EXIST WITHIN THE EQUIPMENT EVEN AFTER THE UNIT HAS BEEN DISCONNECTED FROM THE MAINS SUPPLY...

Page 18: ...lifier 1 Ensure IEC plug on the mains lead is a snug fit into the IEC connector on the rear panel 2 Check the mains fuse located inside the fuse holder next to the switch Disconnect mains connector be...

Page 19: ...oticeable if the tube has been fitted in the phono stage 2 Change the tube for another 1 This is caused by breakthrough on the selector switch it cannot be avoided unless complicated sound degrading c...

Page 20: ...to 240V The primary of the mains transformer can be changed from 120V to 240V this is done by changing the taps on the transformer It is recommend that only an experienced technician carries out this...

Page 21: ...tage Dimensions Weight ECC83 12AX7WB x 2 LINE x 4 PHONO 5V max 300mV in LINE 5Hz 120 KHz 1W 0 001dB PHONO 30 Hz 30KHz 3dB LINE 300 mV output 1V PHONO 0 50mV 150pF output 1V LINE 200 Ohms PHONO 47 KOhm...

Page 22: ...d dealer under a consumer sale agreement at or near the recommended retail price The words consumer sale shall be construed in accordance with section 15 of the Supply of Goods Implied Terms act 1973...

Page 23: ...stration To transfer this guarantee to subsequent purchasers the new owner must notify Tube Technology of their name address and serial numbers of the equipment This equipment should be packaged in th...

Page 24: ...ault experienced In the event of equipment being returned which on test is found to comply with the published specifications the manufacturers reserve the right to charge a reasonable fee for testing...

Page 25: ...ective differences to a listener between tubes and semiconductor am plifiers can they be explained technically One thing should be clearly understood it is possible to design either a tube or a semico...

Page 26: ...y when setting up an amplifier system one adjusts the gain to give the prefered average sound level One has no way in advance of knowing in advance whether there is an exceptionally loud passage comin...

Page 27: ...in a transistor that has been turned on hard in fact the larger the base current the longer will be the turn off time In audio transistors that have been over driven this time may be of the order of h...

Page 28: ...y subjective effects that have been attributed to transistors Ways may be found of eliminating or obviating these effects in a transistor amplifier design but there is a simplicity about tube circuitr...

Page 29: ...is something to be said for having an output transformer Perhaps enough has been said to suggest at least that the advantages are not entirely on the side of semiconductors and that points can be made...

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