M2TECH NASH User Manual

M2TECH

NASH

MC/MM PHONO PREAMPLIFIER

USER MANUAL

REV. PrA – 6/2018

NASH MC/MM PHONO PREAMPLIFIER

REVISION PRA – JUNE 2018

M2Tech

www.m2tech.biz

NASH MC/MM PHONO PREAMPLIFIER

REVISION PRA – JUNE 2018

M2Tech

www.m2tech.biz

Warning!

Changes or modifications not authorized by the manufacturer can invalidate the compliance to CE regulations and cause the unit to be no more suitable to use. The manufacturer refuses every responsibility regarding damages to people or things due to the use of a unit which has been subject to unauthorized modifications or to misuse or to malfunction of a unit which has been subject to unauthorized modifications.

This unit is compliant with the following CE regulations: CEI EN 55022:2009 Class B (Radiated Emissions), CEI EN 55024:1999, CEI EN 55024:A2/2003, CEI EN 55024:IS1/2008 (Radio Frequency Electromagnetic Fields, 50Hz Magnetic Field Immunity Test and Electrostatic Discharges – ESD).

For a proper operation of this unit, all connections to other equipment in the system must be done when all equipment are off. Failing to comply with this advice may lead to damage to the NASH.

The label above, printed on the product case, indicates that the product, when no more usable, can’t be treated as generic garbage, but must be disposed of at a collection point for recycling of electrical and electronic equipment, in compliance with the WEEE regulation (Waste of Electrical and Electronic Equipment). By making sure that this unit is correctly recycled, you will help preventing potential damages to environment and human health, which could be caused by a wrong treatment of this product as generic garbage. Materials’ recycling helps saving natural resources. For more in-depth information about recycling this product, please contact M2Tech Srl.

WARNING: the information contained in this manual are considered to be reliable and accurate. M2Tech reserves the right to change or modify the information any time, without prior advice. It’s up to the customer to ensure that the manual being consulted is the latest version.

NASH MC/MM PHONO PREAMPLIFIER

REVISION PRA – JUNE 2018

M2Tech

www.m2tech.biz

Dear customer,

Thank you for purchasing NASH. You are the owner of a very high quality phono preamplifier with many unique features, designed to obtain the best performance in conjunction with every M2Tech product.

NASH implements a specific set of technological and functional solutions, from the alldiscrete components design, to the passive RIAA, to a wealth of inputs, to the Bluetooth® module for control and set-up, to the trigger input.

NASH is designed for low-noise operation, to deliver the same output level as any modern digital source.

We’re sure that your expectations will be fulfilled by purchasing NASH: your hi-fi system will exhibit an incredible increase of its sonic performance, so you can now prepare for a whole new listening experience!

Nadia Marino, CEO

Please note here your NASH serial number and purchase info for future reference:

S/N: _______________________ Date of Purchase: _________________________

Place of Purchase__________________________

Note: Proof of retail purchase, such as your purchase receipt, will be required in the unlikely event that any warranty service will be required

NASH MC/MM PHONO PREAMPLIFIER

REVISION PRA – JUNE 2018

M2Tech

www.m2tech.biz

TABLE OF CONTENTS

1. Unpacking and Placing the Unit.......................................................................................7

2. Front Panel ......................................................................................................................9

3. Back Panel.....................................................................................................................11

4. Remote Control..............................................................................................................13

5. Connecting and Powering the Unit.................................................................................15

6. Cleaning the Unit ...........................................................................................................15

7. Using the NASH................................................................................................................17

7.1. Source selection......................................................................................................17

7.2. Menu Navigation .....................................................................................................17

7.2.1. DISPLAY BACKLIGHT: setting the display backlight........................................18

7.2.2. MC GAIN: Setting the gain of the MM stage when the MC input is used..........18

7.2.3. MC FILTER 16Hz: setting the high pass filter for the MC input.........................19

7.2.4. MM GAIN: Setting the gain of the MM stage when the MM input is used .........19

7.2.5. MM FILTER 16Hz: setting the high pass filter for the MM input........................20

7.2.6. AUTO OFF: Setting the Automatic Switch-off ...................................................20

7.2.7. STANDBY LED: Setting the Front Panel LED behaviour..................................21

7.2.8. POWER MODE: Setting the NASH behaviour when power is applied ................21

7.2.9. REMOTE ON/OFF: Setting the NASH to Accept/Ignore the IR Remote ON/OFF

command....................................................................................................................22

7.2.10. BLUETOOTH®: Enabling/Disabling the Bluetooth

LE Receiver....................22

7.2.11. BT INFO: Accessing Bluetooth® LE Interface Information ..............................23

7.2.12. FIRMWARE REVISION: Accessing Firmware Revision Information ..............23

7.2.13. DEFAULT: Restoring Factory Settings ...........................................................23

8. Trigger and power modes ..............................................................................................25

9. Setting MC input resistance and gain ............................................................................25

10. Setting MM input resistance and capacitance..............................................................27

11. Considerations on NASH gain and output level..............................................................27

12. Specifications...............................................................................................................29

NASH MC/MM PHONO PREAMPLIFIER

REVISION PRA – JUNE 2018

M2Tech

www.m2tech.biz

NASH MC/MM PHONO PREAMPLIFIER

REVISION PRA – JUNE 2018

M2Tech

www.m2tech.biz

1. Unpacking and Placing the Unit

Lay the box on a table and open it with a cutter or a knife, paying attention not to damage the internal box. Extract the internal box and open it The following items are included in a cardboard tray:

 one NASH;  one IR remote control;  two AAA batteries;  one 15V wall adaptor.

Should one or more item be missing, please contact your retail dealer.

Remove the NASH from the cardboard tray enclosure and place it onto a stable base, far from heat sources. Avoid full sunlight on the unit. Allow for ample room around the unit for venting and for easy connection between NASH’s Bluetooth® module and your smartphone/tablet.

The NASH is a high efficiency low power design, therefore very low power is lost in heat. Anyway an adequate air flow is recommended.

Avoid smoke, moisture, dirt and liquids from reaching the unit. Please note that any signs of abuse will void warranty coverage.

Do not place the unit on thick carpets or inside a box or piece of furniture, not even close to curtains.

NASH MC/MM PHONO PREAMPLIFIER

REVISION PRA – JUNE 2018

M2Tech

www.m2tech.biz

NASH MC/MM PHONO PREAMPLIFIER

REVISION PRA – JUNE 2018

M2Tech

www.m2tech.biz

2. Front Panel

Figure 1

1) Power on/power off/menu exit button. Press this button to switch the NASH on when it’s off. When the menu is active, a short press will cause the menu to exit discarding any configuration change. A more prolonged press while the NASH is on will cause it to switch off.

2) Standby LED. When the NASH is in standby mode, this LED blinks to indicate to the user that the device can be switched on by the included remote control. This LED is steadily lit during the firmware update procedure.

3) IR receiver. Aim the remote control to this point to send commands to the NASH.

4) Display. Multifunction OLED display. During normal operation, it indicates the selected

source, the gain of MM stage and the status of high-pass filter. When the menu is accessed, the display shows the selected menu item and its current value.

5) Encoder. It allows for accessing and navigating the menu and selecting inputs. It can be rotated and pushed. Please refer to Chapter 7 for more details.

+ 20 hidden pages

M2TECH NASH User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual