Densen DM (£). “The Densen sounds excatly as it looks – big and lush. You’ll never find music thin or insubstantial if you’ve got one plugged in.”. Specifications. Power output: 75 watts per channel into 8Ω (stereo). Frequency response: 2Hz to kHz. Total harmonic distortion: %. Input sensitivity. Densen Audio DM Integrated Amplifier. Integrated pre- amp/power amp, 75 watts rms output per channel into 8 Ohms, four line-level inputs, two tape inputs.

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Di cosa si tratta Integrato 75 watt. La descrizione sopra e del modello a 50 wattmentre la scheda del modello fotografato e riferita al modello da 75 watt. Thomas Sillesen, the designer of the Densen line, was there to answer our many questions about this unique amplifier.

Densen DM 10 | The legendary Densen DM10 amplifier. This was… | Flickr

We obtained not only the DM for testing, but the new BEAT B as well, and, as you will see, both amplifiers are very special in sound quality as well as their design. Unpacking the amplifiers is an experience in itself.

The box and foam rubber protection weigh as much as some amplifiers! Each amp is black with large brass knobs. There are only two knobs on the front, one for volume control and the other for selecting xensen inputs. This is in keeping with Densen’s philosophy of not simply having a dense profile, but allowing as little circuitry in the signal path as possible.

The thumps are due to the lack of any additional circuitry which would eliminate the thump but possibly degrade the signal. A red LED in between the two brass control denseen illuminates when the units are on, and slowly fades when turned off.

In fact, the LED on the DM took 45 minutes to completely turn off since it is connected to the power capacitors. One of the most important design characteristics dejsen these deensen is the lack of global negative feedback.


The presence of negative feedback has several purposes, among others: Negative feedback can produce distortion of its own, however, and too much of it becomes obvious when listening to sibilants the “s” in wordswhere it sounds as if someone is hissing at you.

There are proponents and opponents of negative feedback, regardless of its shortcomings, and Densen has chosen the design route of using no global feedback which is very difficult to denden in a solid state push-pull amplifier. This not only results in a reduction in the problems listed above, which are normally corrected by the use of negative feedback, but also improves phase linearity and speed. The sound of the DM and B is somewhat like a single ended triode tube SET amplifier, and that is a complement indeed.

The upper portion of the audio spectrum is laid back, not quite as much as the SET, but just a little, and the mid-range is glorious, just dmm the SET. The sibilants are clean, and female voices a good test for an amplifier are sweet and untainted.

Densen DM 10

Unlike the SET, however, the bass region on the Densens is powerful and deep. Vensen are some subtle differences, too, mostly noticeable in the background of the SET sound. They are probably the result of even order harmonic distortion – a hallmark of the SET – that do not occur to any significant degree in the Densen amplifiers.

In any case, this is one of the very few amplifier designs we have ever tested that has this type of sound characteristic, and we consider it an extremely desirable one. Even harsh CDs are mellow when played through a Densen, just like a SET, and yet the volume is there when desired because high current is available the SET typically has an output of only 7 – 12 watts per channel.

The basic difference between the DM and B is in dynamic range, and perhaps a bit denzen the detail of the upper mid-range as well as the high end. The Alps potentiometers for volume control are marvelously smooth and noise free, allowing a very gradual increase in sound levels even in the 7 – 10 o’clock region. The tape inputs and outputs are not tape loops.


In other words, they can only be used for tape recording and playback rather than for a “loop” containing an equalizer for tone control or other circuit such as a surround fm processor. The use of a loop would require a tape monitor switch, and this would mean that the signal path has to be routed through the switch.

Densen DM 10 in | Hi-Fi | Pinterest | Audio, Audiophile and High end audio

Since the DM and B are designed with the shortest signal path in mind, tape loops are out of the picture. However, either amplifier can be used with a surround sound processor if the processor has the capability of routing the unprocessed signal through when it is turned off. The DM uses two toroidal transformers one for each channeland the B uses one which supplies both channels. There are separate windings for the output stages bipolar transistors and the remaining portions of the amplifiers the DM as well as the B For the DM, there are 40, microfarads of capacitance for the input stages and the same for the output, while the B uses 10, microfarads for the input, and 30, for the output.

The amplifiers are built partially by robot, and partially by hand assembly. Because the DM and B use no global negative feedback, the damping factor is very modest.

Therefore, good speaker cables with low capacitance should be chosen for the best performance. Both the DM and the B are among the finest integrated amplifiers we have ever heard. Their elegant sound is matched only by their looks. We highly recommend that you audition these superb components.

Densen DM-10 Integrated Amplifiers

Audiocostruzioni e punto vendita di: Densen DM10 Integrato 75 watt. Di cosa si tratta. L’importanza di iscrivervi alla newsletter.