Tube Technology SeM-02 User Manual
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
Introduction
Thank you for selecting the Tube Technology Seer Preamplifier.
Please read through this manual so you will know how to operate your Seer Preamplifier
properly. After you have finished reading 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 bring you many years of pleasure as an important
part of your hi-fi system.
Please do not forget to complete and return the enclosed registration card.
We wish you many hours of musical enjoyment !
ii
Contents - 1
Contents
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Getting Started
Unpacking your Seer Pre-Amplifier
Mains Connection
Connecting The Seer to the household mains supply
Wiring a Mains Plug - UK
Earthing Arrangements
Installation
Installing & ventilation of your preamplifier
Audio 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 Preamplifier
Tube Information
Maintenance
Care and Cleaning of your preamplifier
Troubleshooting
Changing Mains Voltage
Specifications
Guarantee
Claims under the Guarantee
Tube Renaissance
1-1
2-1
2-1
2-2
3-1
4-1
4-2
5-1
5-2
5-2
5-3
6-1
6-1
7-1
7-3
7-5
8-1
9-1
9-2
10- 1
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
Getting Started 1-1
Getting
Started
This chapter contains information on;
Unpacking your Seer Preamplifier
Your preamplifier is packed in "jiffy-cell" support foam. Grip the top of this foam and simply pull it
out of the box. The Seer is then left sitting on its middle support and can be lifted out.,
The 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-amplifier is supplied with the tubes already in place. Check through the mesh windows on
the top lid making sure that the (2 x LINE) (4 x PHONO) tubes have not worked free in transit.
Unpacking
All packing should be retained. Amplifiers returned under guarantee are only accepted in their
original packaging.
Mains Connection 2 - 1
Mains
Connection
This chapter contains information on;
Connecting the Seer to the household mains supply.
Wiring a mains plug (UK)
Earthing arrangements
Your Seer plugs into the mains supply via the IEC socket located on the back panel (Only on
Models Serial No. 6022 & onwards, models preceeding this have a flying mains lead
See diagram 1). The Seer has been factory set to the correct mains voltage for your country.
The voltage setting is marked on the serial badge, located on the 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 many earths are connected to the mains earth, resulting in a feint low frequecy hum
through the system. If neccessary you may not need to earth the preamplifier to the mains earth,
consult the handbook for your power amplifier if you are unsure. .
Mains
Connection
DO NOT CONNECT/SWITCH-ON THE MAINS SUPPLY TO THE AMPLIFIER BEFORE
COMPLETING ALL OTHER CONNECTIONS. IF YOU ARE IN ANY DOUBT REGARDING MAINS CONNECTIONS PLEASE DO NOT
PROCEED ANY FURTHER WITHOUT
CONSULTING YOUR DEALER.
Earthing
Arrangements
Mains Connection 2 - 2
Export units for certain markets have a moulded mains plug fitted to comply with local
standards. If your mains supply lead does not have a plug fitted, the coloured wires should be
connected to the appropriate plug terminals in accordance with the following code.
Wire Colour
Label on Plug
GREEN/YELLOW 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
INTEND TO MOVE THE AMPLIFIER TO A LOCATION WHERE THE SUPPLY IS AT A
DIFFERENT VOLTAGE, IT WILL BE NECESSARY TO CHANGE THE VOLTAGE
SWITCH ON THE SEER. IF THIS IS NECCESSARY PLEASE REFER TO Changing
Voltage IN THE MAINTENANCE CHAPTER.
Wiring a
Mains Plug
DO NOT SWITCH ON THE AMPLIFIERS BEFORE COMPLETING THE AUDIO
CONNECTIONS.
Installation 3 - 1
Installation
This chapter contains information on;
Installing and Ventilation of your Preamplifier
Installing &
Ventilation
Ensure that the amplifier is placed in a stable location that is able to accept its weight the Seer
weighs approx. 6 kilograms.
It is not recommended that preamplifier is installed in a cupboard or in any enclosed area if
there is not sufficient air space and ventilation to keep it cool. A minimum distance of four
inches above the preamplifier 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 preamplifier close to radiators or any other heat source, this
could increase the operating temperature. Do not directly block the ventillation grilles on the
top cover of the preamplifier.
Do not locate the preamplifier too close to a turntable, as the cartridge could pick up hum from
the power transformer.
DO NOT SIGHT THE PREAMPLIFIER OR POWER SUPPLY NEAR WATER OR HEAVY
MOISTURE, THE VENTILATION GRILLES ON THE TOP OF THE UNIT ARE AN EASY
ACCESS POINT FOR MOISTURE TO ENTER.
Audio Connection 4 - 1
Audio
Connection
This chapter contains information on;
Connecting the Seer's Inputs & Outputs
Rear Panel
Diagram 1
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