MATRIX MP-1 Balanced Preamplifier

3/4 front view of MATRIX MP-1 New
The Matrix MP-1 preamplifier is part of the brand's new M series, completed by the MS-1 stremer and 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.

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Reference : 19308
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6 199,00 €tax incl.

5 165,83 € tax excl.
Including 0,05 € for green tax

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2 Years warranty
 
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MATRIX MP-1 Balanced Preamplifier

Matrix MP-1 picture

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.

Photo of the MP-1 amplifier stage

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 : 4 transistors

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.

MP-1 volume control resistance networks
Photo of the MP-1 power supply stage

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.

Combining MP-1 with MA-1

MP-1 preamplifier overview

MP-1 connectors diagram
1RCA stereo output
23x XLR balanced input
3Trigger IN/OUT
4Service port
52x Balanced stereo XLR output
63x RCA stereo output
7ON/OFF switch
8Fuse
9IEC power supply input

Technical characteristics

Specifications
Product typePreamplifier
Inputs3x RCA stereo
3x XLR stereo balanced
Outputs1x RCA stereo
2x XLR stereo balanced
Input sensitivityRCA: 20kΩ
XLR: 40kΩ
Output sensitivityRCA: 20kΩ
XLR: 40kΩ
Max. input levelRCA: 4.5V
XLR: 9V
Max. output levelRCA: 18Vrms
XLR: 36Vrms
Frequency response20Hz-20kHz (±0.1 250kHz @ -3dB)
Dynamic rangeRCA: 125dB @ A-weighting / 120dB @ No-wt
XLR: 129dB @ A-weighting / 125dB @ No-wt
THD+NRCA: <0.00040% @ A-weighting / <0.00040% @ No-wt
XLR: <0.00015% @ A-weighting / <0.00020% @ No-wt
CrosstalkRCA: -130dB
XLR: -140dB
Gain+12dB
Volume control100 step
TriggerIn: DC 6-12V < 10mA
Out: DC 12V/50mA max.
General
Power supplyAC 220V-240V 50/60Hz
Standby power consumption< 1W
Max. power consumption< 70W
Weight15.7kg
Dimensions430 x 349 x 106mm
ColorSilver
Package1x Matrix MP-1 preamplifier
1x Matrix RM4C remote control
1x Trigger cable
1x Power supply cable
 
Data sheet
InputXLR
InputRCA
OutputXLR
OutputRCA
ColorSilver
ClassClass A / AB
Remote ControlYes
 
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MATRIX MP-1 Balanced Preamplifier
The Matrix MP-1 preamplifier is part of the brand's new M series, completed by the MS-1 stremer and MA-1 power amplifier. This new series...

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