Fezz Audio Titania User manual

Titania
USER’S MANUAL

2
USER’S MANUAL
SAFETY TIPS ______________________________
In order to obtain the highest possible sound reproduction quality and
for the sake of your own safety please kindly refer to the following
safety guidelines and please adhere to them:
•Never place the Fezz Audio Titania amplifier near heat sources such as
radiators heaters or direct sunlight. Ensure adequate ventilation and airflow.
•We also warn against exposure of the amplifier to conditions such as very low
temperatures and/or high humidity.
•During normal operation the vacuum tubes radiate significant amounts of
heat - there is a risk of burns
•The amplifier should be plugged directly into a wall socket. If you must use
an extension cord please make sure that it has load parameters sufficient to
ensure proper handling of current delivery to the device.
•When cleaning always disconnect the Titania 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 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 device is already disconnected from the wall outlet.
•Always replace fuses in accordance with the original intended specification.
•Do not make repairs on your own or adjustments beyond those as described
in this manual. Execution of any unauthorized repairs or modifications of the
device result in a loss of warranty.

3
TABLE OF CONTENTS ________________________________________
SAFETY TIPS ___2___
INTRODUCTION ___4___
The Tube Amplifier
INSTALLATION OF THE DEVICE ___5___
Unpacking
Contents of the package
Description of the elements of the amplifier
Installation of the vacuum tubes
Where to place your amplifier
INTERCONNECTIONS ___9___
Hook-up of the power supply cord
Hook-up of the signal sources
Hook-up of the speakers
FIRST POWER-UP AND GETTING STARTED ___11___
ADJUSTMENT AND CONTROL OF THE BIAS CURRENTS ___12___
The procedure for adjustment of the bias for the right channel
The procedure for adjustment of the bias for the left channel
“BURNING-IN THE AMPLIFIER ___14___
TECHNICAL DATA ___15___
LIMITED WARRANTY CONDITIONS ___16___

4
INTRODUCTION _______________________________________________
Thank you for your trust and for choosing the Fezz Audio Titania amplifier.
At times when the audio world becomes increasingly digital Fezz Audio does not
forget about analog lovers. Titania is the Polish series produced integrated vacuum
tube amplifier which is designed for both people starting out in their audio
adventure but also for those experienced with the “vacuum tube sound” before. The
Fezz brand is a team of people who are fascinated since multiple years with the
world of sound in its pure analog form a team which adapts proven technologies so
as to meet the expectations of a contemporary audience.
We invite you to familiarize yourself with a clear sound characterized by excellent
separation imaging and dynamics. Let the wide sound scene take on a new multiple
depths dimension.
THE TUBE AMPLIFIER
Many of us when looking upon audio amplifiers of decades ago keep repeating a
slogan like a mantra: "Such things are not manufactured anymore". When we finally
manage to acquire such a amplifier we treat it in a very unique way. We look for the
best possible location to present it we adore the moment that we switch it on and we
shall certainly not fail to mention in passing about this 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. When one explores this topic in
depth it turns out that many a prominent musician till this present day plays back
music and creates music using solely analog amplifiers and they justify their
decision with just a few words: "The vacuum tube simply sounds better it has a soul
and an ambience".
Once that we purchase such an amplifier set it up hook it up a kind of hesitance
kicks in … "Gee this equipment is 40 years old". Will it continue to be reliable? We
are aware that there is contemporary production of vacuum tube amplifiers out
there but these amplifiers are very expensive. Thus in praxis they are exclusively
destined for the audiophile circles.
And it is at this very point where the unique offering of Fezz Audio comes into play.
A unique vacuum tube sound made available at a price point similar to a new
"transistor" based device as sourced from a market.

5
INSTALATION OF THE DEVICE _______________________________
UNPACKING
Please kindly check if the packaging of the Titania 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.
Do not connect the device to the power supply if it has visible signs of
damage on it.
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 contain:
•The Fezz AUDIO Titania tube amplifier
•Vacuum tubes of type KT88 produced by Electro-Harmonix – 4 pcs.
•Vacuum tubes of type 12AX7 produced by Electro-Harmonix – 2 pcs.
•A power cord
•A Users Manual

6
DESCRIPTION OF THE ELEMENTS OF THE AMPLIFIER
1) Volume control
2) Input Source Selector
3) Sockets for the right channel vacuum tubes
4) Sockets for the left channel vacuum tubes
5) The housing for the power supply transformer
6) The housing for the output transformers

7
INSTALLATION OF THE VACUUM TUBES
Place the Titania amplifier on a stable surface. Carefully remove the vacuum tubes
from their packaging and install them in the appropriate sockets as shown below
and adhering to the numbering scheme as identified on the packaging. Please pay
attention to the diameter of the socket and to the appropriate orientation of the
vacuum tube pins.
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.
WARNING ! Excessive force may damage the socket and/or the pins
of the vacuum tube.

8
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.
ATTENTION - Never place the Fezz Audio Titania amplifier in the
vicinity of sources that produce large amounts of heat.

9
INTERCONNECTIONS __________________________________________
1) Source signal inputs
2) Speaker outputs for the right channel
3) Speaker outputs for the left channel
4) Socket for the main fuse
5) The IEC power supply cord socket
6) Mains switch
The figure above shows the rear panel view of the Fezz Audio Titania tube amplifier
together with a description of the inputs and outputs allowing for connection of the
other elements of your audio system.
WARNING! - To avoid electrostatic shock to the components of the
amplifier, please touch a grounded conductive surface before making
any connections.

10
Any and all connections must be made whilst the device is disconnected from the
mains power supply. Before making any such connections make sure that the
amplifier is switched off.
HOOK-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
HOOK-UP OF THE SIGNAL SOURCES
Connect the signal source to the amplifier inputs IN1 IN2 or IN3. Select the source of
input signal by rotating the input selector located on the front panel of the amplifier.
In order to achieve the highest sound quality use only high-quality RCA cables. Pay
attention to the proper connection and distinction of the right (R) and the left (L)
channels.
WARNING! To connect a turntable, you need to use an external
phono MC/MM preamplifier or a turntable with a built-in
preamplifier.
HOOK-UP OF THE SPEAKERS
Check the impedance of the speaker set that you posses. Connect the speaker cable to
the appropriate terminals on the rear panel of the amplifier. Depending on the
impedance of the speakers that you posses connect it to the terminal marked either
4Ω or 8Ω. If your speaker impedance is 6Ω - connect the speaker wire to the terminal
8Ω.

11
FIRST POWER-UP AND GETTING STARTED ______________________
Make sure that all of your wiring is connected in accordance with the information as
provided above on page 9 of this manual.
Select the source of signal using the rotary selector switch located on the front panel.
Set the volume control to minimum. Turn on the mains power of the Titania
amplifier – the vacuum tubes shall begin to glow. Make sure that the sound source is
turned on playing and then gradually increase the volume level by turning the
potentiometer.
The correct ‘Switch-ON’ (start-up) sequence for the individual devices:
First the Signal Source  then the Fezz Audio Silver Titania amplifier.
The correct ‘Switch-OFF’ (shutdown) sequence for the individual devices:
First the Fezz Audio Titania amplifier  and then the Signal Source.
Conduct a measurement of the BIAS and if necessary adjust it in accordance with
the instructions as presented below on page 12 of this manual.
The operation of the amplifier narrows down to adjusting the volume potentiometer
VOLUME and selecting an audio signal source via rotation of the SOURCE switch.

12
ADJUSTMENT AND CONTROL OF THE BIAS CURRENTS _________
Setting and control of the bias is a procedure that is required after the first switch-on
and after the initial burn-in period of the amplifier.
Later on we recommend to check these parameters once a month.
Please make yourself acquainted with the locations of the measuring points:
•MR1 MR2 MR3 (for the right channel)
•ML1 ML2 ML3 (for the left channel)
and of the regulation potentiometers:
•AR1 (Sets the BIAS value for the right channel)
•AR2 (Sets the BIAS balance for the right channel)
•AL1 (Sets the BIAS value for the left channel)
•AL2 (Sets the BIAS balance for the left channel)
THE PROCEDURE FOR ADJUSTMENT OF BIAS FOR THE RIGHT CHANNEL
1) Use a digital multi-meter. Set it to either automatic mode or to manual mode
to an operating measurement range of 2V DC. Next please measure the
differential voltage between MR2 and MR3.
2) Adjust the balance of the BIAS by gently rotating the BIAS balance
potentiometer AR2 so as to achieve a measured differential value as close as
possible to 0 mV DC (+/-20mV).

13
3) Measure the actual value of the BIAS between MR1 and MR2 or MR1 and
MR3.
4) Adjust the voltage reading using the BIAS level potentiometer AR1 to a value
as close as possible to 500 mV (+/- 20mV).
THE PROCEDURE FOR ADJUSTMENT OF BIAS FOR THE LEFT CHANNEL
Similarly as described in the procedure for the right channel conduct the
adjustments using potentiometers AL1 AL2 and the measurement points ML1 ML2
and ML3.

14
“BURNING-IN” OF THE AMPLIFIER _____________________________
Any tube amplifier requires an initial pre-heating (or "burn-in") period in order so
that it achieves its full sonic potential. This is due to the presence of residual
polarization of dielectric elements and due to a necessary stabilization of working
parameters of the vacuum tubes. The stabilization of the electrical parameters of the
system occurs in a natural process whilst playing music through your audio system.
A preliminary degree of pre-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 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.
WARNING! After the “burn-in period, it is necessary to check,
readjust the BIAS values.

15
TECHNICAL DATA _____________________________________________
Type: Stereo integrated power amplifier
Model: Titania
Output power: 2x 45W
Circuit architecture Push-Pull class AB1
Output Impedance: 4Ω / 8Ω
Input connectors: 3x RCA
THD distortion: < 0 2%
Frequency response: 18Hz – 103kHz (at -3dB)
Power consumption: 180W
Mains fuse: 3 15A T / delayed
Weight: 17 5 kg
Dimensions: 420 x 410 x 175mm
Tube types: 4x KT88 (or similar) / 2x 12AX7 (or similar)

16
LIMITED WARRANTY CONDITIONS _____________________________
The manufacturer the company Fezz Audio warrants that this Titania amplifier is
free from defects in materials and in workmanship.
This warranty is valid for a period of 24 months from the date of purchase.
During the warranty period any defects will be repaired free of charge after
showing the proof of purchase (receipt) in its original form.
You are responsible for transporting the equipment from the place of use to the
dealer distributor national or international.
The warranty applies only to the original purchaser. The warranty is non-
transferrable to subsequent owners.
This guarantee is subject to the following limitations and will be cancelled void and
null in case of:
•Use of the product that is not in accordance with this Users Guide
•Mechanical damage by the user
•Damage caused by electrical discharges (storms)
•Breach of guarantee seals unauthorized use adjustments or modifications
•·Carelessness or damage resulting from improper transportation
The company Fezz Audio reserves the right to amend the designs of its products and
their specifications without prior notice to the previous buyers.
Fezz Audio
ul. Mazowiecka 20
16-001 Księżyno / Poland
www.fezzaudio.com