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HTA-25B Hybrid Amplifier Bluetooth® and USB playback

TAGA Harmony hybrid amplifier is a combination of two different techniques to create an amplifier in one device: the World of tubes and the World of transistors.

HTA-25B is a 25W / 4ohm high-fidelity but still affordable hybrid integrated amplifier utilizing two 6P1 and two 6N1 tubes in the preamp section and transistors at the output powered by an audiophile grade toroidal power transformer. This solution ensures a very warm, linear and lifelike sound with high dynamic presentation at the same time.

The high class, gold-plated speaker terminals offer almost lossless audio signal transmission to the speakers.

The HTA-25B offers a variety of different connections both wired and wireless:

- 2 analog inputs with gold-plated RCA sockets.
- USB input to quickly and easily play music from USB flash drivers.
- 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 prefer discrete listening.

The removable IEC power cable gives an option to upgrade your system with a premium audiophile power cable in any time.

The HTA-25B combines the analog sound of tubes with the power of transistors to give the best sound at the price!




A small, low priced amplifier that covers above and beyond the needs of somebody who wants to start in the HiFi.

The audition was pleasant and we suggest combining it with speakers which do not put much emphasis on the mids and highs. It is characterized by dynamics and full performance. When someone wants to get into the Hifi club and their pocket disagrees with that, then the ΗΤΑ-25Β is a great way.

...a modest power, but a lot of punch

“…But on reflection, what remains the most important for the nature of a system if it is not a pleasure of listening without limitations, what is offered by this entry-level TAGA Harmony. It will allow to build a small HiFi system more than affordable and especially with plenty of listening joy. For us it is essential.”

"Good sound for a low price"

…The first thing noticed is the dynamics, both in micro and macro scale. We did not expect the HTA-25B to be able to reproduce the sound of cymbals, guitar strings or double basses at such a good level. There is a lot of air surrounding the instruments, they can last long and sound in a natural way. The edges of the ranges seem to be slightly boosted, but in no way it interfered with the listening and did not distract our attention. The presentation of the soundstage surprised us as well. It went beyond the speaker line, and even the instruments at the back of the stage could be freely heard. The vocals are playing before the line of speakers and sound convincing. The lower registers are under proper control, the center of the band is saturated, the upper registers provide us with a lot of information…"

“…Undoubtedly, the offer is addressed to more demanding music lovers entering the world of audio, for someone who wants to start their adventure with a good sound. The appealing look, the capability to operate and stream music from a smartphone should be appreciated by young people. A seasoned audiophile should also take a look at the small Taga, to spend a few minutes for listening and convince themselves that based on the amplifier for a small amount of money one can build a good sounding system.


Power Output:

2 x 18W RMS / 8ohm
2 x 25W RMS / 4ohm

Class A/B
Vacuum Tubes:

2 x 6P1, 2 x 6N1

THD: Less or equal 0.5% (1kHz 1W)
 Signal/Noise ratio:


Frequency Response: 20Hz – 20kHz
Inputs: Analog: RCA stereo CD, AUX

(MP3 / WMA / WAV / APE / AAC / FLAC* audio files)

RCA stereo REC

Connectivity Wireless: Bluetooth® v4.0
Bluetooth® Profiles:

Advanced Audio Distribution Profile A2DP

Headphone Impedance: 32-320Ω
Headphone Output Power:

80mW  160Ω

Included Accessories:

Removable IEC Power cord

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): 4.5 kg / pc.
Finishes: BLACK

Bluetooth® is a registered trademark of Bluetooth SIG., Inc.

* Supports FLAC files with a bit rate below 913 kbps





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We reserve the right to amend details of the specifications or designs 

without notice in line with technical developments.

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