M2TECH TOSH, User Manual

Page 1: ...M2TECH TOSH BALANCED LINE PREAMPLIFIER USER MANUAL REV PrA 6 2023...

Page 2: ...M2Tech www m2tech biz TOSH BALANCED LINE PREAMPLIFIER REVISION PRA JUNE 2023 Copyright 2023 M2Tech Srl 2...

Page 3: ...ly with this rule may cause damage to the TOSH The label above visible on the shell of the appliance indicates that the product at the end of its use cannot be improperly managed as generic waste but...

Page 4: ...TOSH is designed for low noise and high dynamic operation to ensure that all the sound quality of the music provided by the sources is delivered to the power amplifiers without any loss The remarkabl...

Page 5: ...l transition from one input to another 20 7 2 6 POWER ON VOLUME setting the listening level at power on activation 20 7 2 7 AUTO OFF automatic shutdown setting 20 7 2 8 STANDBY LED setting the behavio...

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Page 7: ...rect sunlight Leave ample space around it to the device to ensure adequate ventilation and for easy connection between the TOSH Bluetooth module and your smartphone tablet The TOSH is a highly efficie...

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Page 9: ...olume It can be rotated and pressed Refer to Chapter 7 for more details 4 Standby LED When the TOSH is in standby this LED is lit to indicate to the user that the device can be turned on using the sup...

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Page 11: ...ith the balanced one Female RCA 9 Balanced output Connect a stereo power amp or two mono power amps equipped with balanced inputs to this output using interconnect cables terminated in XLR connectors...

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Page 13: ...select the right command codes for the TOSH Below is a brief description of the buttons used for TOSH Standby button allows you to put the TOSH in standby long press and to activate it DIM display dim...

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Page 15: ...each therefore for an alternative use the unused power amplifier must be kept off If you want to use the trigger function connect a mono cable equipped with 3 5mm jack plugs to the trigger output of...

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Page 17: ...ent source it is sufficient to press the button on the right of the front panel item 5 Fig 1 or to avoid doing anything else after a few seconds the TOSH automatically returns to its idle state withou...

Page 18: ...TOSH is equipped with a function for balancing the relative level of the two channels which can be modified in 1 2dB steps between 0 and 6dB towards the left or towards the right Being a command to b...

Page 19: ...or in decibels DECIBELS Since the volume control is an attenuator the step 0 will correspond to the maximum attenuation and to the step with the highest value the minimum attenuation In deciBel mode...

Page 20: ...e discomfort 7 2 6 POWER ON VOLUME setting of the listening level at power on activation It is possible to decide which listening level the TOSH will present upon activation maximum attenuation MUTED...

Page 21: ...connector Fig 2 10 depending on the user s needs The behavior depends on this setting In particular if power is applied to the TOSH the three available settings for POWER MODE work as follows 1 Disab...

Page 22: ...outputs to turn on off the TOSH and other connected M2Tech units in the programmed order Please read the VAN DER GRAAF MKII user manual for details SETUP REMOTE POWER REMOTE POWER ENABLE REMOTE POWER...

Page 23: ...rmware running by the microcontroller using this menu function 7 2 14 DEFAULT restore the factory settings The user may need or want to reset to factory settings This can be achieved by accessing this...

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Page 25: ...other device Typically this is a power amplifier which is thus switched on and off by TOSH itself To avoid disturbing speaker noises when switching on and off the trigger output is activated after the...

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Page 27: ...cable inductance and capacitance do not significantly alter the frequency response of the system The gain of the Tosh depends on which input and which output you are using The balanced output offers...

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Page 29: ...anced single ended 126 dBA balanced balanced THD N 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 SE SE...