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INSTALLATION OF THE DEVICE_______________________________

UNPACKING

Please kindly check if the packaging of the Lybra amplifier has not been damaged during

transit.   If   you   find   any   damages,   please   immediately   contact   your   dealer.   Remove   the

amplifier and accessories from the packaging. Make sure that the content 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

The package should contains:

Fezz Audio Lybra 300B vacuum tube amplifier

vacuum tube of type 300b EHG (gold) by Electro Harmonix -4 pcs.

vacuum tube of type 6sn7 by Electro Harmonix -2 pcs.

vacuum tube of type 12ax7 by Electro Harmonix -1 pc.

power cord

user’s manual

cotton gloves

optional: remote control, vacuum tube protective cage

If any of the above items are missing in your package, contact your dealer immediately.

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Summary of Contents for Lybra 300 B

Page 1: ...USER S MANUAL...

Page 2: ...current delivery to the device When cleaning always disconnect the Lybra from the power source Use a dry soft cloth Do not use water or cleaning agents If your amplifier starts to misbehave or to work...

Page 3: ...on of the vacuum tubes 7 Where to place Your amplifier 7 INTERCONNECTIONS 8 Hook up of the speakers 8 Hook up of the signal sources 8 Hook up of the supply cord 8 FIRST POWER UP AND GETTING STARTED 8...

Page 4: ...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...

Page 5: ...dispose of the original packaging so as to facilitate possible shipment of the device in the future CONTENTS OF THE PACKAGE The package should contains Fezz Audio Lybra 300B vacuum tube amplifier vac...

Page 6: ...DESCRIPTION OF ELEMENTS OF THE AMPLIFIER A 6SN7 tube sockets B 300b tubes sockets C Volume level potentiometer D 12AX7 tube socket E Source selector F Housings for the output transformers 8 6...

Page 7: ...f 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 cle...

Page 8: ...STEP 3 CONNECT 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...

Page 9: ...heating of the amplifier is reached after about 10 hours of quiet music playback The full sonic capabilities shall stabilize and unfold within a time span ranging from 40 to 60 hours of music reprodu...

Page 10: ...ce of input signal to 3 2 Turn the Bluetooth mode ON on your device and scan for Bluetooth devices You will see Fezz Audio on the device list Select connect and pair both devices 3 To pair the amplifi...

Page 11: ...rking parameters Switch off the amplifier Wait until the vacuum tubes cool down Exchange the positions of the driver tubes between channels Turn on the amplifier If the disturbing sounds have moved to...

Page 12: ...mplies with the following European Union Council Directives and Standards relating to electromagnetic compatibility EMC Directive 2014 30 EU and the low voltage Directive 2014 35 EU This declaration o...

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