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Audio Hungary P200 Power Amplifier

Michael Valentine Studio
New music listening room 2023
(page three)

Audio Hungary
Qualiton P200 Power Amplifier &
C200 Preamplifier
Experience Review part one

Audio Hungary C200 Preamplifer

Click an image to enlarge.

Go to the Audio Hungary Qualiton P200 Power Amplifer
& C200 Preamplifer Experience Review part two...

Go to the Audio Hungary Qualiton P200 Power Amplifer
& C200 Preamplifer Experience Review part three...

Information from Audio Hungary

Audio Hungary P200 Power Amplifier

Qualiton P200 Amplifier

The P200 is a versatile, high power amplifier, built on Tung-Sol KT120 (optionally KT150) beam tetrodes and our latest transformer designs. The P200 features the latest version of our sophisticated Automatic Bias Control System for the four power tubes too. This circuit continuously monitors the behaviour of each tube and regulates the bias voltages accordingly, ensuring the smallest possible output voltage noise while guaranteeing the highest degree of linearity of the output stage. It also prevents the sensitive, high permeability transformer cores from saturating by precisely equalizing the quiescent currents of the power tubes. Finally, the bias system has a built-in soft-start function too, which prevents the tubes from drawing excessive current during start-up and eliminates pops and noises during power-up. The above means that no further adjustment is required once the electron tubes supplied with the unit have been installed, the circuit automatically takes care of everything.

The amp has two distinct modes of operation, STEREO and BRIDGE mode. You can change the operating mode by reconfiguring the output connections, then use a STEREO INPUT /BRIDGE INPUT selector switch to select the input source for the chosen operation mode.

In STEREO mode the P200 can be used as a conventional stereo power amplifier which has two unbalanced outputs for 4 or 8 Ohm speakers, with a maximum available output power of 2 x 100 W. In this mode you can connect an UNBALANCED or BALANCED stereo signal source to the amplifier.
In BRIDGE mode the P200 can be used as a monoblock power amplifier with a BALANCED input. In this mode you can concentrate the total output power of the P200 into a single channel: the two channels of P200 are fed from a monaural, symmetrical audio signal (BRIDGE input), and a single 8 Ohm loudspeaker can be connected between the two amplifier outputs, bridging the output terminals. The maximum available bridged, monaural output power is 1 x 200 W.

Audio Hungary C200 Preamplifier

Qualiton C200 Preamplifier

To complete the line-up of our Classic Series, we designed a true all-rounder preamplifier, with beautifully balanced sound character, and one of the finest vintage tubes available, the Tungsram ECC83. The C200 uses 8 of them, so each output gets the flavour of these exceptional tubes.

As always, the most important aspect of the design process was to meet the widest possible range of user needs. Starting at the inputs, we have 4 UNBALANCED and 2 BALANCED line level inputs and a MM PHONO level input available. On the output side, the C200 is equipped with 2 UNBALANCED line level outputs (one of which can be connected to a subwoofer), we also have a BALANCED line level output and a HEADPHONE connection for dynamic headphones. With this set of I/O ports, users have plenty of options to connect the C200 into their system. And best of all, each output port carries the characteristics of classic Tungsram tube sound, while interference and noise levels have been reduced to the absolute minimum.

Qualiton P200 Amplifier & C200 Preamplifier remote control

Along with the C200, we are also introducing an updated remote control, on which, in addition to the previous VOLUME UP, VOLUME DOWN and MUTE buttons, there is also a POWER ON/STANDBY button. After pressing this button, a circuit provides 1 minute of wake-up / warm-up time for the tubes. After this time, the C200's outputs will become active and ready for use.


The listening experience

I added the Audio Hungary A75 Integrated Amplifier to the short-list after communication from a site viewer and further endorsement from a respected hi-fi engineer. It did not take long to get my hands on the A75, subsequent Qualiton P200 Power Amplifier and C200 Preamplifier. ‘Why did I move up to the P200 Amplifier and C200 Preamplifier?’ Well, it only took a ten minute listen to the A75 Integrated amplifier to realise there was something special going on. I wanted to hear MORE of what this young company had to offer. Thankfully, I received the P200 and C200 shortly after my request.

Previous experience of valve amplification?

“… I have previously politely dismissed valve amplification as I felt valves were just not for me!”

I made the above statement to Von Gaylord proprietor ‘Ray Leung’ during the February 2023 Bristol HI-FI Show. His brilliant demonstration using revered Von Gaylord amplification, speakers and cables were the catalyst to widening my new amplifier search,
which, for many years only included solid state amplification.
Thank you Ray Leung!

In addition to the above, I also confess to believing valve amplification is (was) just expensive unnecessary exotica! Previous listening experiences (admittedly sporadic and limited) largely left me feeling unfulfilled with thoughts such as… “Mmm, this sounds quite nice, sweet, very warm… but it just lacks any substantial impact!” Of course, there have been a few exceptions to my above stereotypical rule, for example, Von Gaylord valve amplification (as mentioned above) as well as the likes of Ear Yoshino and Engström (to name another two) however, we have to consider the aforementioned amplifiers are mostly in a completely different price band!

Qualiton P200 Amplifier & C200 Preamplifier first impressions

Qualiton P200 Amplifier & C200 Preamplifier first impressions

It was intriguing and a little confusing to hear the various changes in presentation during the first few weeks, however, there were always hints of what the potential outcome might be ‘sonically.’ Still, almost every listening day sounded and felt different. There were days when I thought the run in process was complete due to the added depth, good instrument separation combined with a more open and defined top end. Then, the same said improvements would revert slightly the following day. Though I have experienced similar changes with many other components over the years, I still questioned my sanity, hearing and other links in the hi-fi component chain during this time. I communicated the audible changes to the Audio Hungary distributor, as well as friends. The consistent advice was, “be patient!”

It took four weeks (approximately fifty five hours of playing time) for the amplifier and preamplifier to fully settle (run in). When the above positive sonic changes did finally settle, exploration of both vinyl and CD recordings began...


Use the links below to go to the Audio Hungary Qualiton P200 Power Amplifer
& C200 Preamplifer Experience Review part two, or part three,
or the Nagra Classic Amplifier & Preamplifer Experience Review,
or the new music listening room 2023 page one...

Audio Hungary Qualiton P200 Power Amplifer& C200 Preamplifer Experience Review part two (click to go to this page) Audio Hungary Qualiton P200 Power Amplifer & C200 Preamplifer Experience Review part three (click to go to this page) Nagra Classic Amplifier & Preamplifer Experience Review (click to go to this page) New music listening room 2023 page one (click to go to this page)

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