Taga Harmony HTA-2500B User manual

HTA-2500B
HYBRID INTEGRATED AMPLIFIER
Instruction Manual
Edition 10-2018

2
Introduction
Thank you for purchasing this TAGA Harmony amplier.
TAGA Harmony HTA-2500B is a dual-mono 2 x 200W high-end hybrid integrated amplier.
It utilizes 2 high-performance 12AX7-T PSVANE Treasure Mark II vacuum tubes in the
preamp section serving as a bu󰀨er amplier and 6 pairs of high-power Sanken transistors
(2SC4468/2SA1695) in the output.
The HTA-2500B combines the best of both worlds - soft and analog-like sound character provided
by tubes and adding to that high dynamics and power of transistors.
2 toroidal transformers with total output of 1200W (600W per channel) provide large amounts of
clean power, high voltage stability and very low AC ripple current. This reects in higher dynamics
and extra pure energy and greater abilities to properly drive very demanding and powerful
speakers.
Audiophile grade ELNA capacitors (2 x 80V/10000uF for each channel) ensure stable playback
improving music tone and sound eld depth.
Audiophile grade Japanese ALPS volume potentiometer provides minimal noises and channels
crosstalk and has excellent operational feel and limits errors between the two channels.
Oversized aluminum heat sink system (independent heat sink for each channel) helps to disperse
internal heat and allows for long term high power playback with limited distortions.
The high-end class, gold-plated speaker terminals o󰀨er almost lossless audio signal transmission
to speakers.
Analog inputs with high-end solid machined brass RCA sockets can accommodate up to 2 stereo
devices.
You can connect a range of digital devices via optical and coaxial inputs and a built-in high-
resolution 24bit / 192kHz DAC will always provide the best sound performance.
The HTA-2500B is also an ideal companion for mobile devices – stream music from smartphones,
tablets or computers compatible with Bluetooth®.
For those who prefer discrete listening we equipped the HTA-2500B with a high-end headphone
preamplier.
A preamplier output is dedicated for an optional external power amplier or powered subwoofer
and speakers.
The HTA-2500B o󰀨ers additional options for easy upgrading the sound quality:
- Removable IEC power cable gives you an option to upgrade your system with a premium
audiophile power cable in any time;
- The tubes are installed in high-quality ceramic sockets and they can be very easily exchanged
for new tubes of your choice.
The HTA-2500B is a splendid mixture of analog tube sound, power, precision, purity and
multidimensional soundstage imaging!
Cleaning
Do not use strong or abrasive cleaners. Use a damp, soft cloth for cleaning.
Specications
Full technical specications are available on the www.TagaHarmony.com website.

Contents
Safety Instructions 4
Important Safety Instructions 5
Remote controller 6
Front and Rear Panel 7
Hooking up speaker cables 8
Hooking up the amplier 9
Operation 11
Bluetooth®Connection 12
Additional information 14
Specications 14
Kit content 16
3

4
Safety Instructions
IMPORTANT
READ THIS SECTION CAREFULLY BEFORE PROCEEDING!
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCT TO
RAIN OR MOISTURE. DO NOT REMOVE CHASSIS (OR BACK). NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPARATUS TO RAIN OR MOISTURE, AND OBJECTS FILLED WITH
LIQUIDS, SUCH AS VASES, SHOULD NOT BE PLACED ON THIS APPARATUS.
CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO
WIDE SLOT, FULLY INSERT.
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE
THE FUSE ONLY WITH THE SAME AMPERAGE AND VOLTAGE TYPE. REFER
REPLACEMENT TO QUALIFIED SERVICE PERSONNEL.
WARNING: UNIT MAY BECOME HOT. ALWAYS PROVIDE ADEQUATE
VENTILATION TO ALLOW FOR COOLING. DO NOT PLACE NEAR A HEAT
SOURCE, OR IN SPACES THAT CAN RESTRICT VENTILATION.
An exclamation mark in a triangle is intended to alert the user to the presence
of important operating and maintenance (servicing) instructions in the literature
accompanying the appliance.
The triangle containing a lightning symbol is intended to alert the user to the presence
of uninsulated dangerous voltages within the product’s enclosure that may be of
su󰀩cient magnitude to constitute a risk of electric shock to persons.

Important Safety Instructions
5

6
Remote Controller
1. Open the cover by unscrewing 6 screws on the bottom side of the remote
controller and remove the rear cover.
2. Insert two AAA batteries into the battery compartment. Carefully follow the polarity
diagram inside the battery compartment (positive + and negative - symbols).
3. Replace the cover.
Note!
• Always use AAA batteries and do not use the rechargeable batteries.
• Do not mix new batteries with old batteries or di󰀨erent kinds of batteries.
• If the batteries run out, remove the old batteries and replace them with new ones
within several minutes.
• If the batteries are placed incorrectly, they can cause explosion.
• Remove the batteries if the remote control is not used for a long period of time.
• Do not handle and store the batteries together with metallic tools.
Use the remote control within a range of 5 meters from the amplier and angles of up
to 30 degrees aiming at the remote control sensor.
Note! Exposing the remote control sensor to direct sunlight or strong light may cause
faulty operation.
Battery Installation
Operating Range

1. Mute Button
2. Line Input Selector Button
3. CD Input Selector Button
4. Coaxial Input Selector Button
5. Optical Input Selector Button
6. Bluetooth® Input Selector Button
7. Volume Buttons (▼/▲)
Remote Controller
Front Panel:
1. Power Button (ON and OFF)
2. Input Selector
3. Headphone ¼” Jack Output
4. Headphone Output and CD / LINE Inputs Led Indicators
5. Loudness Button (ON and OFF)
6. Remote Controller Sensor
7. Direct Button (ON and OFF)
8. Bluetooth®/ OPTICAL / COAXIAL Inputs Led Indicators
9. Treble Regulator
10. Volume Regulator
11. Bass Regulator
12. Vacuum Tube Window
Front and Rear Panel
7

8
Rear Panel:
13. Speaker Left / Right Channel Output (Speaker Connectors)
14. Analog Stereo RCA Inputs CD / LINE
15. Pre Output
16. Dimmer Switch
17. Optical / Coaxial / Bluetooth® antenna Inputs
Hooking Up Speaker Cables
The Speaker Connectors can accommodate up to 10AWG speaker cables as well
as most of popular plugs (banana etc.). A 10AWG cable is recommended for longer
connections (longer than 20 meters / 66 feet). For shorter lengths you can use 12/14
or 18 AWG cables. It is recommended to leave about 150 cm (5 feet) of extra cable
at the amplier end to facilitate positioning and installation of the amplier. Do not use
staples, nails or other metal objects to secure the cables. You will get the best sound
quality and least amount of hum by keeping the cables away from other electrical wires
and cables.
Pay attention to connecting the polarity of the amplier correctly with the speakers
in each speaker group (speakers should be connected RED + with RED + amplier
connector, BLACK – with BLACK – amplier connector). Before connecting make sure
that your amplier is switched o󰀨.
Please refer to your speaker instruction manual for more information.
Front and Rear Panel

Hooking up the Amplier
9
Headphones

10
Hooking up the Amplier
1. Make sure the amplier is switched o󰀨 (the Power Switch is in the top
position and the Power Cable is removed).
2. Turn the Volume Regulator to MIN (max counter clockwise).
3. Screw in the Bluetooth® antenna into the antenna socket.
Note! Make sure the antenna is securely and rmly installed - otherwise the “HTA-
2500B” Bluetooth® device may be not found or connection may be unstable.
4. Using speaker cables (not supplied with this product) connect your speakers to
SPEAKERS OUT connectors located on the rear of the amplier (check “Hooking
Up Speaker Cables” for more details).
5. If you want to play music from audio sources equipped in an analog output (CD
player, satellite or FM tuner, video console etc.) : using RCA interconnect cables
(not supplied with this product) connect them to the analog inputs (CD, LINE).
6. If you want to play a digital audio source equipped in an optical or coaxial output
(CD player, video console etc.) : using a digital optical or coaxial cable (not
supplied with this product) connect it to the Digital Optical or Digital Coaxial Input.
7. Preamplier Output (PRE OUT) : this amplifer is equipped with a preamplier
output. Using an RCA interconnect cable (not supplied with this product) you
can connect to it external equipment (power amplier, powered speakers, active
subwoofer etc.). The PRE OUT level is variable controlled according to the Volume
Regulator.
8. If you want to listen to music via headphones : connect the headphones to the
Headphones output (check “Headphones connection” for more details).
9. If you want to stream music via Bluetooth® from compatible devices check
“Bluetooth® connection” for more more details.
10. Your amplier is ready for operation.
Note! Avoid to short-circuit of cables – it can damage this amplier or speakers. This
may void your warranty.
Note! Only speakers within range of impedance 4 - 8Ω can be connected. Connecting
speakers outside this range can damage this amplier and/or speakers. This may void
your warranty.

Operation
1. Plug the Power Cable to the amplier and into the electrical outlet.
2. Turn on the amplier – press the Power Switch (the Power Switch should be in the
down position). The status LED located on the Volume Regulator should
turn red in a few seconds. If it does not, it means that the amplier is working
under an abnormal condition (a protection mode) – turn o󰀨 the power, unplug the
Power Cable and check whether some of the cables are not short circuited. After
xing the cables turn the amplier on.
3. By rotating the Input Selector knob on the front panel or pressing one of input
selector button on the remote controller, select which audio source you want to
play. Make sure the audio source is properly connected to the rear panel inputs.
The selected source is indicated by one of LED indicators on the front panel.
Note! HP - Headphone Output cannot be selected manually – it is selected
automatically when the headphones are plugged in.
4. Switch on your audio source and start playback.
5. Regulate the volume on the amplier to adjust level of sound.
Note! Regulate the volume levels can damage this amplier and/or speakers. This may
void your warranty.
Note! Check “Additional Information” for other useful operating instructions.
Headphones connection:
When headphones (not supplied with this product) are plugged into the headphone
output (Headphones) this will be indicated by HP Headphone Output Led Indicator
on the front panel and the transmission of sound to the speakers and PRE OUT is
switched o󰀨.
The speakers and PRE OUT are again active after you disconnect the headphones.
The volume of the headphones is regulated by the Volume Regulator (front panel and
remote controller).
All sound regulations (Loudness / Bass / Treble / Direct) will a󰀨ect the sound
transmitted to the headphones.
Note! Listening at high volume can cause hearing damage.
Volume Regulator (front panel and remote controller):
Using the Volume Regulator on the front panel or down ▼ and up ▲ buttons on the
remote controller, you can adjust the sound volume from minimum (the knob – max
counterclockwise) to maximum (the knob – max clockwise).
Note! Distortion and sound quality worsening may occur when the knob is in the
maximum position. It may damage the amplier or speakers. This may void your
warranty.
MUTE (remote controller):
During playback press this button to stop amplier audio output (no sound will be
audible in speakers, headphones nor through the PRE OUT).
Press it again to recover the audio signal output back.
11

12
Operation
LOUDNESS (front panel):
Press the LOUD loudness compensation button down ( ) to increase the level of
the high and low frequencies – it is intended to be used at low listening levels.
Press the button again ( ) to get back to regular amplier settings.
The DIRECT button will not a󰀨ect the operation of the LOUD button.
Note! Using at high volume levels can damage this amplier and/or speakers. This
may void your warranty.
DIRECT (front panel):
Press the DIRECT button down ( ) to enjoy the purest sound without any
adjustments (BASS and TREBLE regulators will be disabled).
Press the button again ( ) to allow sound adjustments by the BASS and
TREBLE regulators.
The DIRECT button will not a󰀨ect the operation of LOUDNESS.
Note! Using DIRECT OFF and BASS / TREBLE regulators at high volume levels can
damage this amplier and/or speakers. This may void your warranty.
TREBLE regulator (front panel):
You can adjust treble output of the amplier. The default: the knob is in the
center position : the marker on the knob in the vertical position. Turn the knob
counterclockwise (-) to decrease the amount of high frequencies. Turn the knob
clockwise to increase the amount of high frequencies (+).The TREBLE regulator is
active only in the DIRECT OFF mode.
BASS regulator (front panel):
You can adjust bass output of the amplier. The default: the knob is in the
center position : the marker on the knob in the vertical position. Turn the knob
counterclockwise (-) to decrease the amount of low frequencies. Turn the knob
clockwise (+) to increase the amount of low frequencies (+). The BASS regulator is
active only in the DIRECT OFF mode.
DIMMER (rear panel):
The DIMMER switch is located on the rear panel of the amplier. Select ON to switch
on the backlight of the vacuum tube window and OFF to switch it o󰀨.
Bluetooth® Connection
• After the amplier is switched on - the built-in Bluetooth® receiver is waiting to be
paired with a Bluetooth® source.
• Select BT input by rotating the Input selector knob – the BT LED indicator will light up.
• Select Bluetooth® on your audio source (smartphone, laptop etc.) and start scanning
for available Bluetooth® devices.
• After a short time “HTA-2500B” will appear on the screen of your audio source. Select
“Pair” on your audio source to connect with the amplier.
• HTA-2500B will now be ready to play your music wirelessly within a range of
approximately 7 meters. Start playback on your audio source.
Note! Please refer to your audio source user instruction for details on operating the
Bluetooth®. Operation and names of specic functions can vary on di󰀨erent devices.

Important Notes - Bluetooth® Connection
• As long as the amplier is not switched o󰀨 for longer than 10 seconds – the current
Bluetooth® connection is active (even if you change the input). After that time the
connection is lost and you will have to repeat the pairing procedure.
• When you move away from the working range of the HTA-2500B Bluetooth®
receiver for longer than 60 seconds, the current Bluetooth® connection will be lost
and you will have to repeat pairing procedure. Within 60 seconds the connection can
be automatically reconnected.
• When you want to use another Bluetooth® audio source than currently active,
you have to disconnect the active connection and start the Bluetooth® connection
procedure.
• Make sure the antenna is securely and rmly installed - otherwise the “HTA-2500B”
Bluetooth® device may be not be found or connection may be unstable.
Operation
13

14
Bluetooth® is a registered trademark of Bluetooth SIG, Inc.
We reserve the right to change the technical data and the design of the
product without notice as a result of further development.
Specications
Break-In
Your TAGA Harmony amplier sounds great immediately after it is taken out of the
carton but as all hybrid ampliers, this amplier requires a “break-in” period to reach its
full sonic capabilities.
During the “break-in” period it is recommended to operate the amplier at moderate
volume levels.
The rst level of the “break-in” is reached after approximately 10 hours of play.
The optimal level of the “break-in” is reached after approximately 40 to 60 hours of play.
It is recommended to avoid one-time short periods of operation unless the amplier
reaches the rst “break-in” level. When the amplier is turned on, it should operate for
around 4-6 hours.
Turn o󰀨 procedure
Make sure to turn o󰀨 the amplier rst when powering down your system.
Note! If the amplier was turned o󰀨 even for a short period of time, you should wait
at least 2 minutes before turning it back on. Do not turn it ON then OFF and then ON
again in quick succession.
Follow this procedure each time you turn your amplier OFF / ON. This precaution will
minimize the stress (high voltages) on internal components.
Vacuum Tube Replacement
The lifetime of vacuum tubes may vary and depends on their operation time and
ambient temperature, playback volume levels and the number of on and o󰀨 cycles.
Note! The warranty time for vacuum tubes is shorter than for other components of this
device - for more details check your warranty terms or contact a local dealer.
Replacement vacuum tubes are not supplied with this product.
Note! The vacuum tubes are installed inside the device and should be replaced only by
qualied service personnel.
Additional information
Design Hybrid amplier
Class A/B
Dual Mono
Vacuum tubes 2 x 12AX7-T PSVANE
Treasure Mark II
Power output
/ impedance
2 x 200W 8Ω
2 x 400W 4Ω
DA converter 24bit / 192 kHz
Wolfson WM8805
Cirrus Logic CS4344
Wireless connectivity Bluetooth® v4.0
Digital inputs Optical, Coaxial
Analog inputs CD, Line
Analog outputs RCA Pre-Out
Headphone output Impedance: 32-300Ω
Output power: 350mW, 300Ω
Frequency response 20Hz - 35kHz (±0.5dB)
Total Harmonic
Distortions
≤0.15% (1kHz/ 1W)
Signal / Noise ratio 92dB
AC power
/ power consumption
230-240V 50Hz, 1200W
Dimensions
(H x W x D)
14 x 43 x 44 cm
Weight 21 kg / pc.

Notes
15

www.TagaHarmony.com
We strongly advise to contact a professional installer or dealer in order to install
TAGA Harmony products.
We recommend using high quality TAGA Harmony cables and other installation
accessories.
Kit Content:
Amplifer 1EA
Bluetooth® Antenna 1EA
Remote Controller 1EA
Power Cable 1EA
Instruction Manual 1EA
TAGA EUROPE
POLPAK POLAND Sp. z o.o.
AL.JEROZOLIMSKIE 333A
05-816 REGUŁY k/WARSZAWY, POLAND
Email: [e-mail]
IMPORTANT!
Your product is marked with the symbol as showed on the left.
For EU (European Union) member users:
According to the WEEE (Waste electrical and electronic equipment)
Directive, do not dispose of this product as household waste or commercial waste.
Waste electrical and electronic equipement should be appropriately collected and
recycled as required by practices established for your country.
For information on recycling of this product, please contact your local authorities, your
household waste disposal service or the shop where you purchased the product.
Your product is marked with the symbol as showed on the left.
For EU (European Union) member users:
This product has been tested and found in compliance with
requirements of the European Community
2014/30/EU (EMC) & 2014/35/EU (LVD) & 2014/53/EU (RED) directives.