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5

Important Safety Instructions

 1.  Read Instructions – All the safety and operating instruc-

tions should be read before the product is operated.

 2.  Retain Instructions – The safety and operating instruc-

tions should be retained for future reference.

 3.  Heed Warnings – All warnings on the product and in 

the operating instructions should be adhered to.

 4.  Follow Instructions – All operating and use instructions 

should be followed.

 5.  Cleaning - Unplug this product from the wall outlet 

before cleaning. Do not use liquid cleaners or aerosol 

cleaners. Use a damp, soft cloth for cleaning.

 6.  Water and Moisture - Do not use this product near 

water - for example, near a bath tub, wash bowl, 

kitchen sing or laundry tub; in a wet basement; or near 

a swimming pool; and the like.

 7.  Accessories - Do not place this product on an unstable 

cart, stand, tripod, bracket or table. The product may 

fall, causing serious injury to a child or adult, and 

serious damage to the product. Use only with a cart, 

stand, tripod, bracket or table recommended by the 

manufacture, or sold with the product. Any mounting 

of the product should follow manufacture’s instructions 

and should use a mounting accessory recommended 

by the manufacture.

 8.  Ventilation - Slots and openings in the cabinet are 

provided for ventilation and to ensure reliable operation 

of the product and to protect it from overheating, and 

these openings must not be blocked or covered. The 

openings should never be blocked by placing the pro-

duct on a bed, sofa, rug, or other smimilar surface. This 

product should not be placed in a built-in installation 

such as a bookcase or rack unless proper ventilation is 

provided or the manufacture’s instructions have been 

adhered to.

 9.  Power Sources - This product should be operated only 

from the type of power source indicated on the marking 

label. If you are not sure of the type of power supply 

to your home, consult your product dealer or local 

power company. For products intended to operate from 

battery power, or other sources, refer to the operating 

instructions.

 10.  Grounding and Polarization - This product may be 

equipped with a polarized alternating-current line plug 

(a plug having one blade wider than the other). This 

plug will fit into the power outlet only one way. This is 

safety feature. If you are unable to insert the plug fully 

into the outlet, try reversing the plug. If the plug should 

still fail to fit, contact your electrician to replace your 

obsolete outlet. Do not defeat the safety purpose of the 

polarized plug.

 11.  Power-Cord Protection - Power supply cords should 

be routed so that they are not likely to be walked on or 

pinched by items placed upon or against them, paying 

particular attention to cords at plugs, convenience 

receptacles, and the point where they exit from the 

product.

 12.  Lightning - For added protection for this product 

during a lightning storm, or when it is left unattended 

and unused for long periods of time, unplug it from 

the wall outlet and disconnect the antenna or cable 

systems. This will prevent damage to the product due 

to lightning and power-line surges.

 13.  Overloading - Do not overload wall outlets, extensions 

cords, or integral convenience receptacles as this cas 

result in a risk of fire or electric shock.

 14.  Object and Liquid Entry - Never push objects of any 

kind into this product through openings as they may 

touch dangerous voltage points or short-out parts that 

could result in a fire or electric shock. Do not expose 

this apparatus to dripping or splashing, and ensure that 

no objects filled with water, such as vases, are placed 

on the apparatus.

 15.  Servicing - Do not attempt to service this product 

yourself as opening or removing covers may expose 

you to dangerous voltage or other hazards. Refer all 

servicing to qualified service personnel.

 16.  Damage Requiring Service - Unplug this product from 

wall outlet and refer servicing to qualified personnel 

under the following conditions:

•  When power supply cord or plug is damaged;

•  If liquid has been spilled, or objects have fallen into 

product;

•  If the product does not operate normally by following 

the operating instructions. Adjust only those controls 

that are covered by the operating instructions as an 

improper adjustment of other controls may result in 

damage and will require extensive work by a quali-

fied technician to restore the product to its normal 

operation;

•  If the product has been dropped or damaged in any 

way;

•  If the product exhibits a distinct change in 

performance - this indicates a need for service.

 17.  Replacement Parts - When replacement parts are 

required, be sure the technician has used replacement 

parts specified by the manufacturer or have the same 

characteristics as the original part. Unauthorized 

subsitutions may result in fire, electric shock, or other 

hazards. 

 18.  Safety Check - Upon completion of any service or 

repairs to this product, ask the service technician to 

perform safety checks to determine that the product is 

in proper operating condition.

 19.  Wall or Ceiling Mounting - The product should be 

mounted to a wall or ceiling only as recommended by 

the manufacturer.

 20.  Heat - The product should be situated away from heat 

sources such as radiators, heat registers, stoves, or 

other products (including amplifiers) that produce heat.

21.   [Refers to products equipped with vacuum tubes] 

Tube Cage - For your safety and to protect the vacuum 

tubes this product may be equipped with the factory 

installed vacuum tube cage.

  It is not recommended to remove the cage unless it is 

required to change the vacuum tubes.

  When the cage is removed - do not touch the vacuum 

tubes - they may be hot and burn the skin! 

Summary of Contents for Harmony HTA-25B

Page 1: ...HTA 25B HYBRID INTEGRATED AMPLIFIER Instruction Manual VU M ET ER ...

Page 2: ...The HTA 25B offers a variety of different connections both wired and wireless 2 analog inputs with gold plated sockets USB input to quickly and easily play music from USB flash drivers supports MP3 WMA WAV and APE files Bluetooth to wirelessly stream music from smartphones tablets or computers REC output for external recording device or powered speakers or subwoofer Headphones output for those who...

Page 3: ...3 Contents Safety Instructions 4 Important Safety Instructions 5 Front and Rear Panel 6 Hooking up speaker cables 7 Hooking up the amplifier 7 Operation 9 Additional Information 11 Specifications 13 ...

Page 4: ...SERT 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...

Page 5: ...onvenience receptacles and the point where they exit from the product 12 Lightning For added protection for this product during a lightning storm or when it is left unattended and unused for long periods of time unplug it from the wall outlet and disconnect the antenna or cable systems This will prevent damage to the product due to lightning and power line surges 13 Overloading Do not overload wal...

Page 6: ...tooth Input Status Led Indicator 7 VU Meter 8 Treble Regulator 9 Bass Regular 10 Volume Regulator Rear Panel 11 CD Stereo RCA Input 12 AUX Stereo RCA Input 13 REC Output 14 Speaker Right Channel Output Speaker Connectors 15 Speaker Left Channel Output Speaker Connectors 16 Power Cable Input and Fuse Box Note A blown fuse should be only exchanged for exactly the same type as indicated on the rear a...

Page 7: ...d installation of the amplifier 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 amplifier correctly with the speakers in each speaker group speakers should be connected RED with RED amplifier connector BLA...

Page 8: ...les connect a USB stick no supplied with this product to the USB Stick Input on the front of the amplifier Make sure that this amplifier supports the files you want to play 6 If you want to connect a recording device Tape or CD recorder etc or powered speakers or subwoofer using RCA interconnect cables not supplied with this product connect it to the analog REC output on the rear of the amplifier ...

Page 9: ...ick into the USB Input socket located on the front of the amplifier 3 When compatible music files are detected then the playback will start automatically In the Play mode the USB Bluetooth Input Status Led Indicator will lit continuously 4 Press the USB Knob 12 once to pause the playback Press it again to resume the playback In the Pause mode the USB Bluetooth Input Status Led Indicator will start...

Page 10: ...ate the USB and Bluetooth Knob 7 counterclockwise to play the previous song Note Please refer to your audio source user instruction for details on operating the Bluetooth Operation and names of specific functions can vary on different devices Make sure to avoid obstacles between the audio source and the amplifier it can worsen or interrupt the sound transmission Important Notes Bluetooth Connection...

Page 11: ...egulator All sound regulations Bass Treble will affect the sound transmitted to the headphones Note Listening at high volume can cause hearing damage REC Output This output is used to record audio from the amplifier on an external device The output audio signal level is fixed is not regulated by the Volume Regulator VU Meter The VU Meter is displaying a representation of the current signal level i...

Page 12: ...located on the rear bottom frame of the tube cage 5 Remove the cage by pulling it in upward Make sure to reinstall the cage for the regular operation 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 off cycles Note The warranty time for vacuum tubes is shorter than for other com...

Page 13: ...es Outputs RCA stereo REC Connectivity Wireless Bluetooth v4 0 Headphones 20mW 32ohm THD 0 5 Frequency response 100Hz 15kHz 3dB AC Power Power Consumption 220V 240V 50 60Hz 120 W Dimensions H x W x D 13 8 x 26 4 x 29 8 cm Weight net 4 2 kg pc 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 ...

Page 14: ...14 Notes ...

Page 15: ...15 Notes ...

Page 16: ...e 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 mar...

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