Audionet PRE G2 User Manual
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Audionet PRE G2 User Manual

Reference pre-amplifier
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PRE G2
Reference Pre-Amplifier
User's Manual
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Summary of Contents for Audionet PRE G2

  • Page 1 PRE G2 Reference Pre-Amplifier User's Manual...

  • Page 3: Table Of Contents

    Usage ............... 13 Powering up ................13 Switching on and off ..............13 Mains phase detection .............. 14 Using Audionet Link ..............14 Control elements on the front panel ........15 Volume control................15 Display ..................16 Input selection ................17 Muting ..................
  • Page 4 Changing the batteries ............. 31 Settings for Audionet preamplifier ......... 32 Technical information ..........34 Design ..................34 Power supply ................34 Circuitry ..................34 Handling ..................35 Update PRE to PRE G2 ............35 Security advice ............36 Technical data ............37...

  • Page 5: Preface

    For those enthusiast we devel- oped the PRE G2, our pre amplifier reference. The PRE G2 is a luxurious source of pure sound. With the highest accu- racy and resolution, coarse and fine dynamic precision and overwhelming spatiality it reproduces music in all its naturalness.

  • Page 6: Included

    Always use the provided cloth bag to prevent scratches on the casing. · Please allow the PRE G2 to adapt to the climatic conditions in your listening room before you switch on the unit for the first time after transport.

  • Page 7: Overview Front Panel

    Overview front panel...

  • Page 8: Overview Back Panel

    Overview back panel phase...

  • Page 9: Installation And Power Supply

    Do not place the PRE G2 in close range to heat sources like radiators. · Do not place the PRE G2 on top of other units, especially not on top of power amplifiers, pre amplifiers or similar that produce heat. Both units could suffer damage from thermal overload.

  • Page 10: Orientation Of Mains Plug

    · The PRE G2 is a Class I unit and must be earthed. Please ensure a stable earth connection. Phase ('hot' pin) is marked on the back panel ('phase') 13 . · If you connect the mains cord please make sure that mains switch 14 at the back panel is switched off.

  • Page 11: Inputs And Outputs

    PRE G2. 5.2 Outputs The PRE G2 is equipped with a pair of balanced (XLR) 8 and a pair of Cinch (line) outputs 7 and 9 for the left and right channel each to con- nect the unit to your amplifier(s).

  • Page 12: Recording Devices

    You only need a simple optical 'Toslink' cable. Connect the 'Audionet Link' output 11 of your PRE G2 to the 'Audionet Link' input of unit to be controlled.

  • Page 13: Usage

    6.1 Powering up First of all, please make sure your PRE G2 is connected correctly to your signal sources, power amplifier(s) and mains (see section 'Installation and power supply' on page 9 and 'Inputs and outputs' on page 11). The PRE G2 is a stand-by unit.

  • Page 14: Mains Phase Detection

    If the rest of your Audionet system is connected to your PRE G2 via 'Audionet Link', all linked units will be automatically switched on/off as soon as you switch on/off the PRE G2 using the power key on the front panel or the remote control.

  • Page 15: Control Elements On The Front Panel

    Use key to switch on/off the unit (see section 'Switching on and off' on page 13). Volume control Use the volume knob on the front panel of the PRE G2 to set the desired volume level. Turn volume knob clockwise to increase volume, turn counter clockwise to decrease volume.

  • Page 16: Display

    Display The display provides in the normal operating mode the following infor- mation: 5 INPUT FIVE LEVEL –46+0dB number of the currently selected input channel, corresponds to the number printed above the input jack on the back panel (see section 'Overview back panel' on page 8) name of the currently selected input channel, fully user-definable (see section 'Channel name' on page 24)

  • Page 17: Input Selection

    In order to actually switch to the selected input channel press input key again. The PRE G2 features a 'soft' input selection. During the switching of inputs, first the volume is stepped down to –80 dB, followed by switching off the outputs.

  • Page 18: Muting

    Muting Push the mute key on the front panel to mute or un-mute the PRE G2. Just as well as the input selection, the PRE G2 uses 'soft' muting, i.e. vol- ume is stepped down gently to –80 dB, then the outputs are switched off.

  • Page 19: Setup Menu

    Of course, you may leave the setup menu from each menu item by push- ing and holding the set key for longer than two seconds. The PRE G2 will return to normal operation mode. The order of items in the setup menu is: ê...

  • Page 20: Set Dim Level

    In the following all options of the setup menu are explained in detail. 7.1 Set Dim Level To adjust the brightness of the display on the front of the PRE G2 press the set key once for less than two seconds.

  • Page 21: Balance Adjust

    Turn the volume knob counter clockwise to shift the balance to the left. The value in the display is now negative. The PRE G2 allows the user to shift the balance up to 9 dB to the left or the right.

  • Page 22: Offset Adjust

    LEVEL –46+3dB level adjustment in dB For each of the six input channels of the PRE G2 you can define the ad- justment of the input level in the range of –9 dB to +9 dB in steps of 1 dB...

  • Page 23: Set Dc Servo

    The DC Servo is active for the currently selected input active channel. Activate the DC Servo if the source connected to the PRE G2 holds a high DC component in its output signal. The DC Servo eliminates the DC component. The currently selected input channel is now AC-coupled.

  • Page 24: Channel Name

    14 on the back panel the PRE G2 will go into stand-by mode. You have to push the power key on the front panel or, alternatively, the keys PRE of the Audionet Metal Remote Control to start up the unit to go into normal operating mode.

  • Page 25: Set Off-Text

    Set Off-Text Push the set key on the front panel seven times for less than two seconds to select the display option during stand-by mode. Turn the volume knob clockwise to select display option 'dot'. Turn vol- ume knob counter clockwise to select display option 'off'. SET OFF-TEXT: The stand-by mode is indicated by the text off.
  • Page 26 Mode in the setup menu item Set Channel for By-Pass Mode. The sig- nal at the input channel selected for By-Pass Mode operations is passed through the PRE G2 at a level of 0 dB (i.e. no change in volume level) to the outputs.
  • Page 27 PRE key on the Audionet Metal Remote Control RC 1 or RC 2, this mode will be saved, i.e. if you switch on the PRE G2, the unit will switch to the last saved input channel selection and thus...

  • Page 28: Set Dc Servo For By-Pass M

    The DC Servo for the By-Pass Mode is switched on. Activate the DC Servo only in cases where the source connected to the PRE G2 holds a high DC component in its output signal. The DC Servo eliminates the DC component. The input channel dedicated to the By- Pass mode is now AC-coupled.

  • Page 29: Overview Factory Defaults

    7.10 Overview factory defaults Option Setting SET DIM LEVEL BALANCE ADJ. OFFSET ADJUST 0 dB (for all inputs) In 1-5: disabled SET DC SERVO In 6: active 1: BALANCED 2: INPUT TWO 3: INPUT THREE Channel name 4: INPUT FOUR 5: INPUT FIVE 6: TAPE INPUT SET AUTOSTART...

  • Page 30: Audionet Metal Remote Control

    Audionet Metal Remote Control The Audionet Metal Remote Control RC 1 controls all important func- tions of everyday use of your PRE G2. The following explains all these commands in detail.. POWER ä < – – audionet RC 1...

  • Page 31: Key Assignment Pre G2

    8.1 Key assignment PRE G2 Power key PRE use the key PRE to switch on / off your PRE G2. This key has the function as key power on the front panel. If the PRE G2 is in stand- by mode, press key PRE to switch on this unit. If the PRE G2 is al- ready switched on, then pressing PRE powers the unit down to stand- by mode.

  • Page 32: Settings For Audionet Preamplifier

    Settings for Audionet preamplifier The Audionet Metal Remote Control RC 1 has 6 keys to control an Audionet (pre-) amplifier like the PRE G2. The previous section 'Key assignment PRE G2' explains the function of these keys.
  • Page 33 PRE G2, PRE 1 G3, SAM G2, DNA, DNP, DNA 1 MAP 1 Note · If not ordered explicitly, the Audionet Metal Remote Control is pre- configured to setting '19' of the DIP switch. · Older models of Audionet preamplifiers use system address 16.

  • Page 34: Technical Information

    Technical information Design The PRE G2 has complete double mono design for absolute channel separation. To optimize the high frequency properties the circuitry was consequently miniaturized and SMD technology implemented. Signal path ways are limited to their minimum, and chassis and circuit design magnetically and capacitively optimized.

  • Page 35: Handling

    A microprocessor controls and monitors all functions. A two line, 16- digit display informs the user about all operating modes and makes it easy to adjust the PRE G2 to the user's preferences. The unit also features user-definable channel names and input level adjustment for each chan- nel.

  • Page 36: Security Advice

    · During connecting or removing the PRE G2 to/from sources and/or power amplifiers all units have to be switched off to prevent damage of the PRE G2 or any of the other connected units. · Use dry cloth for cleaning! We would like to wish you many exciting listening experiences with your new Audionet product.

  • Page 37: Technical Data

    1 pair Cinch line, gold plated 1 pair Cinch inverted, gold plated 2 pair XLR balanced, gold plated Outputs 1 pair Cinch Monitor, gold plated 2 Audionet Link, optical 1 connector, gold plated, for additional earth connection 22 Ohms real Output impedance Output current max.
  • Page 38 By-Pass function (e.g. for integration into home cin- ema systems) Auto start function for timer operations Audionet Link outputs for remote control of other Audionet components (e.g. power amplifiers) recommended for phono applications: external phono pre-amplifier Audionet PAM...

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