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INSTALLATION OF THE VACUUM TUBES 
 

Place the Alfa Lupi  amplifier on a stable surface. Carefully remove the vacuum tubes from 
their packaging and install them in the appropriate sockets, according to the stickers on tube 
boxes starts from a left side.  
 
The pins in the base of each of the vacuum tubes are “coded”, and this has the result that 
the  insertion  of  the  vacuum  tube  into  the  socket  is  possible  only  in  one  correct  and 
appropriate orientation. If, whilst inserting the vacuum tube you sense resistance, and you 
can  not  push  the  tube  into  the  socket,  please  check  the  orientation  of  its  pins,  rotate  the 
tube to the correct position and try again. 
 

 

 
 

WHERE TO PLACE YOUR AMPLIFIER 

 
Due to the presence of high temperatures during normal operation of the vacuum tubes, the 
location that you pick to place your amplifier should ensure ample ventilation, a free flow of 
air. Please maintain at least 10 cm clearance between the housing of the amplifier, together 
with the vacuum tubes, and other devices or elements of the interior. The sound quality may 
be degraded as a result of vibrations. Therefore we recommended to place the amplifier on 
a flat and stable surface. 
 

 

 
 

 
 
 
 
 
 
 
 
 
 

Excesive force may damage the socket and/or the pins of the vacuum tubes. 

 

Never place the Fezz Audio Alfa Lupi amplifier in the vicinity of sources that 
produce large amounts of heat. 

 

Summary of Contents for Alfa Lupi

Page 1: ...Alfa Lupi USER S MANUAL ...

Page 2: ...er source Usea dry soft cloth Do not use water or cleaning agents If your amplifier starts to misbehave or to work incorrectly if it s temperature gets too high or you start feeling smoke immediately disconnect the device from the mains Due to the risk of exposure to high voltages please do not open the lid of the amplifier ATTENTION This warning remains in force also in a situation where the devi...

Page 3: ...fier 7 INTERCONNECTIONS 8 Hook up of the speakers 9 Hook up of the signal sources 9 Hook up of the supply cord 9 FIRST POWER UP AND GETTING STARTED 9 Burning in the amplifier 10 Replacement of the vacuum tubes 10 Replacement of 12ax7 driver tubes for 6n2p or vice versa 10 Changing the operations mode of amplifier 10 OPTIONAL EQUIPMENT 11 Vacuum tube protective cage 11 HT pre in input 11 Remote con...

Page 4: ... new treasure of ours to Any of our visiting guests Whatever we do is all underlined by a great feeling of fondness to those times long past Why is this happening The most likely reason is that it is a vacuum tube amplifier An amplifier with a specific warmth to its sound with a natural ambience timber We also do know that the Big Names have created their memorable music albums using vacuum tubes ...

Page 5: ...ontent is not damaged Please do not dispose of the original packaging so as to facilitate possible shipment of the device in the future CONTENTS OF THE PACKAGE Opakowanie powinno zawierać Fezz Audio Alfa Lupi vacuum tube amplifier vacuum tube of type PCL86 4 pcs power cord user s manual cotton gloves optional vacuum tube protective cage If any of the above items are missing in your package contact...

Page 6: ...6 DISCRIPTION OF ELEMENTS OF THE AMPLIFIER 1 PCL86 tubes sockets 2 volume control potentiometer 3 input source selector 4 housing for the output transformers ...

Page 7: ...rientation of its pins rotate the tube to the correct position and try again WHERE TO PLACE YOUR AMPLIFIER Due to the presence of high temperatures during normal operation of the vacuum tubes the location that you pick to place your amplifier should ensure ample ventilation a free flow of air Please maintain at least 10 cm clearance between the housing of the amplifier together with the vacuum tub...

Page 8: ...ew of the Fezz Audio Alfa Lupi amplifier together with a description of the inputs and outputs allowing for connection of the other elements of your audio system To avoid electrostatic shock to the components of the amplifier please touch a grounded conductive surface before making any connections Any and all connections must be made whilst the device is disconnected from the mains power supply Be...

Page 9: ...OK UP OF THE POWER SUPPLY CORD Make sure that the amplifier is switched off Connect the power cord to the IEC socket on the rear panel of the amplifier The amplifier is designed to operate at a rated voltage of 230V 50Hz Connecting the device to a mains network with incorrect parameters can lead to damage that is not covered by manufacturers warranty FIRST POWER UP AND GETTING STARTED_____________...

Page 10: ...quiet music playback The full sonic capabilities shall stabilize and unfold within a time span ranging from 40 to 60 hours of music reproduction at a moderate volume levels In the initial period of operation of the amplifier it is advisable to avoid short term operation periods of the amplifier Once activated it should remain operational for a period of about 4 6 hours REPLACEMENT OF THE VACUUM TU...

Page 11: ...mproper placement of the vacuum tubes in the sockets Switch off the amplifier Wait until the vacuum tubes cool down Check for proper placement of vacuum tubes in their sockets If necessary correct their orientation One of the tubes PCL86 has lost its nominal working parameters Switch off the amplifier Wait until the vacuum tubes cool down Exchange the positions of the tubes between channels Turn o...

Page 12: ...tive Księżyno 01 12 2017 12 Declaration of Conformity Toroidy pl Transformatory L Lachowski Sp k ul Mazowiecka 20 ężyno Fezz Audio Vacuum tube amplifier complies with the following European Union Council Directives and Standards relating to electromagnetic compatibility EMC Directive 89 336 EEC and the low voltage Directive This declaration of conformity is the result of an examination carried out...

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