Trilogy 907 Manual de usuario
907
User Manual
2
thank you
Welcome
Firstly, thank you for purchasing your Trilogy Audio Systems 907 Phono Stage, we value your custom.
We strive to design and build world class products that stand the test of time. By reading this manual you can
gain clear understanding of its operation and learn to care for it correctly. In turn, it will reward you with a lifetime
of outstanding performance.
......................................
Nic Poulson.
CEO Trilogy Audio Systems.
www.trilogyaudio.com
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Getting Started
4 Introduction
4 About this manual
5 Unpacking
5 Environment
7 Conguration
7 Gain Setting
9 Cartridge Loading Settings
9 Capacitance setting
9 Resistance setting
11 Connections
13 Power Supply
15 Operation
Care & Service
17 Cleaning
17 Servicing
17 Declarations
Glossary
18 Glossary
Specications/Returns
19 907Specications
19 Returns
Acknowledgements
20 Acknowledgements
contents
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Introduction
We prefer that your Trilogy dealer delivers, installs, sets up and explains your 907’s operation to you.
However, we still recommend that you read through this manual thoroughly and keep it to hand for reference.
Should any part of this manual or the operation of the 907 not be clear to you, please do not hesitate to contact
your Trilogy dealer. If this is not convenient, please contact ourselves directly.
About this manual
From this point on, any information presented on the left hand pages are pictorial representations of the 907.
The left hand pages can be considered as additional information to accompany the written descriptions on the
opposite pages.
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Unpacking
Be careful when unpacking your Trilogy 907, it supplied in two parts:
1.PhonoPreamplierinthesolidaluminiumcasewithcaptivepowerinputcable.
2. Series 900 choke input Power Supply.
Store the packaging safely for future use. It is the ideal method of protecting your investment from damage
during transport.
Environment
Donotsiteeitherunitnearliquids,orplaceliquid-lledcontainersneartheunit.
If any liquid does come into
contactwitheitherunitthereisseriouspotentialforanelectricshockorrehazard.Immediatelypulloutthe
mains plug from the wall socket. Contact your dealer to arrange an inspection before further use.
The 907 generates some heat and is cooled by convection. It needs good circulation of room temperature air
under and around it. Do not place either unit near sources of heat such as radiators or in direct sunlight. Do not
enclose in a cupboard. Do not place directly on carpet.
Aat,smoothsurfaceisrequired.Aswithallhighresolutionaudioequipment,your907issensitivetovibration,
strongmagneticeldsandradiointerference.Adedicatedhighperformanceequipmentplatformsitedawayfrom
otherappliancesistheoptimumlocationforthePhonoPreamplier.
ThePowerSupplyshouldbesitedaminimumdistanceof250mmfromthePhonoPreamplier.ThePhono
Preamplierissensitivetomagneticeldswhichmaydegradeperformance.CongurethePhonoPreamplier
beforenalplacementandconnection.
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Conguration
Itisnecessarytocongurethe907forusewithyourchosenphonocartridgebeforeplacingandconnecting
the907toyoursystem.ThebaseofthePhonoPreamplierprovidesaccesstoanumberofswitchesforthis
purpose.
Your phono cartridge will have an optimum working load which should be provided by the cartridge
manufacturer. It is expressed in resistance (R or Ohms) and capacitance (pF or pico Farads). It will also require a
specicgainsettingdependingonitstypeandoutputlevel.
Ifyoucannotobtainthisinformation,orareinanydoubtaboutthecongurationprocedure,contactyourdealer
for advice.
Toobtainthecorrectcongurationfollowthesettingsgivenonthetablesbelow.Iftheexactvaluesspeciedby
your cartridge manufacturer cannot be achieved, select the nearest value available from the table.
IMPORTANT!
Ifyoudomakechangestothecongurationwhilsttheunitispowered,mutetheconnectedampliertoavoid
damage to your loudspeakers.
Gain Setting
These switches are independent for each channel and must be set the same for left and right channels. Follow
the map on the unit’s base in conjunction with the table below to achieve the required gain.
Cartridge Type Cartridge Output Gain Position
Moving Magnet (MM) 3-5mV GAIN 1
Moving Coil (MC) 0.7-1.5mV GAIN 2
Moving Coil (MC) 0.25-0.7mV GAIN 3
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Cartridge Loading Settings
These switches are independent for each channel and must be set the same for left and right channels. Follow
the map on the unit’s base in conjunction with the tables below to achieve the required loading.
Capacitance setting:
Capacitance required C1 Position C2 Position
100pF Off Off
200pF On Off
320pF Off On
420pF On On
Resistance setting:
Resistance
required
R1 Position R2 Position R3 Position R4 Position
47 KOhms Off Off Off Off
1K75 Ohms On Off Off Off
1K Ohms Off On Off Off
650 Ohms On On Off Off
400 Ohms Off Off On Off
330 Ohms On Off On Off
250 Ohms On On On Off
100 Ohms Off Off Off On
70 Ohms On On On On
IMPORTANT!
Ifyoudomakechangestothecongurationwhilsttheunitispowered,mutetheconnectedampliertoavoid
damage to your loudspeakers.
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Tabla de contenidos
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