MK 2245

Amplifier designed in solid state technology and AB class polarization.

MK 2245 is an amplifier designed with a solid-state technology with polarization in class AB. The feed structure has been made of toroidal transformer 320 VA power supply. The total capacity of the filtering system is 40,000 UF, in order to provide for even the most challenging demands in current.

High Level Electronic

The high value of damping factor has been obtained with the use of two pairs of mosfet selected from about 20 Ah per channel, for which the configuration has been gained by a low value of output resistance and high availability of current, providing a way to remarkably control the articulation and the relative information content of the same spectrum with remarkable precision.

The tone obtained comes out with a high degree of consistency across the entire sound spectrum, high lighting the great potential for analysis of micro- and macro-details of the musical content.

Innovative new drivers in pure class”A” gives a great increased quality, control and harmonic richness.

The final stage is characterized by a significantly increasing trend in terms of the current demand of the dynamic transient. In fact, it is able to almost double its power to halve the resistive value of the load applied without any limitation in current, obviously linked to the maximum available power from the feeding system itself.

Other Benefits

The preamplifier section and management inputs have been built with solid state Technology and the amplification stage of the low level has been obtained with components focused on maintaining low noise, excellent Series Integrated Burr-Brown with values of slow- rate high.

The stadium management inputs have been divided into four sections of RCA line, allowing the end user to use multiple devices in connection and manage them differently, thanks to the use of a switching system and remote volume control in steps.
In addition, the light signals the status of each line via the LED’s of various colors.

MK 2245 has a rear switch with the task of feeding the whole machine to ensure optimum working temperature, before activating the button of the remote control.
The amplifier achieves its best performance after at least 30 minutes of power.
Before that time music can be played, but not at optimal quality.

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Technical Specifications


Rms Power On:
8 Ohm 2x 60 W / 4 Ohm 2x 100 W / 2 Ohm 2x 150 W (current limited)
Peak output current:
20 Ah
Frequency Response:
da 10Hz a 40 Khz +- 0,5db
Harmonic Distortion at max power:
THD 1,6 %
Signal to noise ratio S/N :
Sensitivity for max. Power:
450mV 50KOhm RCA
Dimensions (WxDxH) mm:
16 Kg


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