MATRIX AUDIO MP-1

The Matrix MP-1 preamplifier is part of the brand's new M series, completed by the MS-1 streamer and the MA-1 power amplifier. This new series features a new design, both in terms of appearance and internal structure. The MP-1 Class A preamplifier features a fully balanced structure, allowing independent processing of both channels. This preamplifier is the key point of the M series. It's this preamplifier that delivers the richness of tone and the detail of sound reproduction, thanks to its signal processing mode. The MP-1's amplification stage essentially consists of four independent transistors working in concert. This preamplifier features numerous analog inputs: 3 balanced XLR stereo inputs and 3 RCA stereo inputs. Outputs include 2 balanced XLR and 1 RCA. The front panel features numerous controls and a display for a pleasant user experience.

Matrix MP-1: a balanced amplifier stage
The MP-1's balanced architecture offers extremely low noise and excellent linearity. Its output stage is designed as a pure Class A amplifier, enabling high bias current while maintaining low crossover distortion. The MP-1 is therefore able to guarantee a wide frequency response and dynamic range for sound reproduction as close as possible to the original audio file.

Matrix MP-1: 4 independent transistors
Signal amplification within MP-1 is essentially achieved by 4 independent transistors. Each channel has two transistors working together to amplify the signal in balanced mode. Even in RCA, the signal is converted to a bipolar signal to suppress common-mode noise and enhance dynamics.

Matrix MP-1: precise volume control
Inside the MP-1 preamplifier are 4 networks of 64 resistors for precise volume control. 32 fully sealed reed relays complete the package. This volume control system minimizes any negative impact on sound quality and ensures excellent coherence between the two channels. The operating noise of the relays is virtually inaudible, for smooth, undisturbed volume control.

Matrix MP-1: a high-performance power supply stage
The MP-1's power supply stage is made up of two 60W toroidal transformers feeding each preamplifier board separately. Filter capacitors from Mundorf's M-Lytic AG series then ensure a reliable, constant current. The special aspect of the transformers chosen by Matrix is that they feature square copper wires for increased conductive surface area, higher current capacity and lower resistance

Matrix MP-1: versatile operating modes
One of the advantages of the MP-1 is the ability to independently set attenuation and volume compensation for each input. In addition, the XLR outputs can be operated simultaneously or separately. In the case of separate outputs, each output volume is individually adjusted for best results when using multiple amplifiers and speakers. If you use both XLR outputs simultaneously, you can easily set up a bi-amplification system.

Specifications
Product type    Preamplifier
Inputs    3x RCA stereo
3x XLR stereo balanced
Outputs    1x RCA stereo
2x XLR stereo balanced
Input sensitivity    RCA: 20k?
XLR: 40k?
Output sensitivity    RCA: 20k?
XLR: 40k?
Max. input level    RCA: 4.5V
XLR: 9V
Max. output level    RCA: 18Vrms
XLR: 36Vrms
Frequency response    20Hz-20kHz (±0.1 250kHz @ -3dB)
Dynamic range    RCA: 125dB @ A-weighting / 120dB @ No-wt
XLR: 129dB @ A-weighting / 125dB @ No-wt
THD+N    RCA: