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Stereo SystemIntegrated Amplifier › Unison Research TRIODE 25 Integrated Amplifier

Unison Research TRIODE 25 Integrated Amplifier

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Unison Research TRIODE 25 Integrated Amplifier Unison Research TRIODE 25 Integrated Amplifier Unison Research TRIODE 25 Integrated Amplifier Unison Research TRIODE 25 Integrated Amplifier

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Unison Research TRIODE 25 Integrated Amplifier

Berat : 23.0 kg
Harga : Rp 45.000.000,-
Jumlah : pc(s)

Phone : 021-62302809

SMS Order : 0816 716 248 (Andrew)

CP : Andrew

Phone : 021-62302809

SMS Order : 08 1122 8280 (Ronald)

CP : Ronald

Penjelasan Produk

Unison Research Triode 25 Integrated Amplifier
Theree amplifiers symbolize the success of Unison Research: the Simply Two, the Triode 20 and the legendary Absolute. On the accasion of the 25th anniversary of the birth of Unison Research, we pay homeage to these historic devices by offering the Simply Two and the Absolute in a limited and numbered "Anniversary" Edition. Wwe/ve also decided to offer a completely new version of the Triode 20 and named it, quite approriately, the Triode 25.

The Triode 25, like its predecessor, is a push-pul amplifier that utilizes EL34 tubes in the output stage. The push-pull circuit includes a final stage with two power tubes intended for the amplification of the positive half-waves, respectively, and of the negative hald-waves of the audio signal. The task properly recontructing the audio signal is then assigned to the output transformer which, thanks to its symmetrical structure, allows for a highly linear signal. Here are some of the more important and significant benefits of a oush-pull structure in this type of amplifier design.
- Higher output power
- Higher efficiency and therefore less heat generated, with positive effects on the durability of the output tubes as well as a significant savings in energy costs
- No static polarization of the output transformer, resulting in better performance of this section
To ensure high quality sound in an amplifier with a push-pull configuration, however, it is essential that all individual ampplification stage, especially the two semi-output amplifier, are carefully designed and contructed to prevent the formation of dangeroud and compromising odd-order harmonic distortion. This is even true for the output transformer.
The new Triode amplifier 25 has experienced a long and painstaking design and testing period despite the considerable experience already gained in the contruction of its predecessor, the Triode 20. The Triode 25 can operate in two modes: triode and pentode. The latter is capable of delivering power output of over 45 watts per channel with a load of 6 ohms with harmonic distortion extremely contained across the entire audio band.



Output Stage Push-pull, ultralinear, Class-AB
Output Power Approx. 45 watt per channel
Pentode configuration Approx 
25 Watt per channel Triode
Output Impedance 6 Ohm
Input Impedance 47k Ohm/50pF
Negative feedback 5 dB or 1.8dB
Valve complement 2 x ECC83 (12AX7) 1 x ECC82 (12AU7)
4 x EK34 (6CA7)
Power Consumption 300 watt max
Fuses T6.3A from 100V to 130V T3.15A from 220V
to 250V
Dimension  30 cm x 45 cm x 20 cm
Net Weight 22KG
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