Ο M2Tech Manunta Tosh ειναι balanced τηλεχειριζομενος προενισχυτης, με εισοδους: 1x pair XLR, 3x pairs RCA και εξοδους: 1x pair XLR, 1x pair RCA. Δυνατοτητα χειρισμου μεσω application Google ή iOS.

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The increase in performance of a M2Tech system, when the Tosh is inserted between the Young MkIV DAC (which is also equipped with a preamplifier section) and the Larson class A power amps says a lot about the importance of the preamplifier: not always ” less is more”.

The Tosh is a preamplifier for high-level sources only (turntable owners can use the Nash to connect it between the turntable and the Tosh preamplifier), with fully balanced circuitry with discrete components, borrowed from that of the Marley headphone amplifier and adapted for the driving high impedance users (power amplifier inputs).

It is equipped with three single-ended inputs on RCA connectors (whose signal is converted into balanced via a special circuit) and three balanced inputs on 7-pole composite connectors (one per channel) to which the two supplied adapter cables are applied , each equipped with three 3-pole female XLR connectors.

It provides the output signal both in single-ended format on RCA connectors and in balanced format on XLR connectors.

The Tosh uses two MUSES 72320 integrated resistor network attenuators for volume control, the best on the market. They also allow balance control (+/-6 dB) and muting (-20 dB).

All circuits in the audio path are powered by a dual discrete regulator of M2Tech design featuring a very low noise floor. This makes it possible to reach incredible signal-to-noise ratio performances (up to 130 dBA) which make the Tosh absolutely transparent to the signal (gain aside) and allow it to transfer the musical message to the power amplifiers intact in its dynamic components and with all its details.

Its very low output impedance makes the Tosh insensitive to the parameters of the signal cable used to connect it to the power amplifier. Its maximum output voltage of 8.6 Vrms on the single-ended output and 17.3 Vrms on the balanced output allows it to drive even the least sensitive power amplifier with ease.

A trigger output allows the Tosh to automatically turn on a power amplifier connected to it.

The Tosh can be controlled via the front panel encoder, via the supplied infrared remote control or via the app for iPhone and Android smartphones made available free of charge by M2Tech on AppleStore and Google Play.

Specifications

Frequency Response:
5Hz to above 80kHz, +0/-1.5dB (Vin = 2 Vrms, volume = 0 dB and -20 dB)

Residual noise:
4 uVrms (balanced – 20 Hz-20 kHz, volume = -85 dB)
3 uVrms (single-ended – 20 Hz-20 kHz, volume = -85 dB)

Gains:
4.30 (12.6 dB – single-ended -> single-ended)
8.65 (18.7 dB – single-ended -> balanced)
2.15 (6.7 dB – balanced -> single-ended)
4.30 (12.6 dB – balanced -> balanced)

Signal-to-Noise Ratio:
130 dBA (single-ended -> single-ended)
122 dBA (single-ended -> balanced)
111 dBA (balanced -> single-ended)
126 dBA (balanced -> balanced)

THD:
0,005 % (single-ended -> single-ended)
0.003 % (single-ended -> balanced)
0.004 % (balanced -> single-ended)
0.003 % (balanced -> balanced)

Crosstalk:
-104 dB (R->L), -105 dB (L->R) single-ended -> single-ended
-101 dB (R->L), -110 dB (L->R) single-ended -> balanced
-94 dB (R->L), -110 dB (L->R) balanced-> single-ended
-106 dB (R->L), -111 dB (L->R) balanced -> balanced

Inputs:
3x single-ended stereo (RCA)
1x balanced stereo composite (7P XLR => 3 x balanced stereo to female XLR via supplied adapters)

Outputs:
single-ended stereo (RCA)
balanced stereo (XLR)
trigger (3.5mm jack)

Dimensions:
200x200x50 mm (ExDxH)

Weight:
net 2 kg (including ancillaries)
gross 2.5 kg

Maximum output voltage:
8.60 Vrms (single-ended, Vin = 2 Vrms, volume = 0 dB)
17.3 Vrms (balanced, Vin = 2 Vrms, volume = 0 dB)
12 VDC (trigger)

Supply voltage:
15 VDC

Power consumption:
4.5 VA
0.25 VA (standby)