Audionet PRE G2 User Manual

Audionet PRE G2 User Manual

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Summary of Contents for Audionet PRE G2

  • Page 1 Reference Pre-Amplifier User's Manual...
  • Page 3: Table Of Contents

    Recording devices..............12 Audionet Link................12 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 ..................17 Setup Menu ............. 19 Set Dim Level................20...
  • Page 4 Key assignment PRE G2............29 Screen 1 ..................30 Screen 2 ..................31 Screen 3 ..................32 Special function By-Pass Mode......33 Technical information..........35 10.1 Design ..................35 10.2 Power supply................35 10.3 Circuitry..................35 10.4 Handling..................35 10.5 Update PRE to PRE G2 ............36 Security advice............37 Technical data ............38...
  • 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 plastic 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

    29). 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 18 Note · While the unit is muted, you may of course select a different input channel as described above. But the PRE G2 will stay muted until you push the mute key again to de-mute the unit. · If you turn the volume knob, while the unit is muted, the new volume level will be set and the unit de-muted, if you turn the volume knob clockwise, i.e.
  • 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

    Ch+ and Ch- of the Audio- net System Remote Control to select the desired input channel. The PRE G2 does not leave the setup menu, and you are able to adjust the DC Servo option for each input channel very easily.
  • Page 25: Set Off-Text

    Approx. every 12 seconds the stand-by mode indicator changes posi- tion randomly in the display to prevent any 'burn in' effect (see sec- tion 'Set Dim Level' on page 20). or use a corresponding Activity; see separate user's manual to the Audionet Sytem Remote Control Harmony One...
  • Page 26: Set Channel For By-Pass Mode

    Important · Before you can use the By-Pass Mode you have to select the input channel that is used for the By-Pass Mode. Otherwise the PRE G2 will issue the warning: No input for By-Pass selected. · For safety reasons the factory default settings have no input channel...
  • Page 27: Audionet System Remote Control

    Press key Devices to enter Device Mode. The display now lists all devices included in the current configuration of the Harmony One. Select PRE G2 from the list to set the Harmony One to controlling the PRE G2. The Device Mode gives you access to all the possible com- mands to control your PRE G2.
  • Page 28 PRE G2 using the Harmony One in Device Mode. · The keys described below to control the PRE G2 refer to the fac- tory default programming of the Audionet System Remote Control Harmony One. Understandably, any changes done to this setup by the user cannot be discussed here.
  • Page 29: Key Assignment Pre G2

    Menu' on page 19) or key Set on screen page 2 (see section 'Screen 2' in page 31). Vol+ , increases the volume of the PRE G2, also for selecting setup options. Vol+ equals turning the volume knob on the front panel clockwise.
  • Page 30: Screen 1

    Ch- , switches to the previous input channel (see section 'Input se- lection' on page 17). , mutes the PRE G2. This key has the same function as the key mute o the front panel (see section 'Muting' on page 17).
  • Page 31: Screen 2

    Current Devices Activity By-Pass Mode switches on/off the By-Pass Mode of the PRE G2. Please read section 'Special function By-Pass Mode' on page 33 first, before you use the special function By-Pass Mode. Dim Display jumps directly to the setup menu item Set Dim Level (see section 'Set Dim Level' on page 20).
  • Page 32: Screen 3

    Power Toggle switches on the unit. If the PRE G2 is already switched on, Power Toggle switches off the unit to stand-by mode. If the PRE G2 is witched on, use key Power Off to switch the unit off to stand-by mode.
  • Page 33: Special Function By-Pass Mode

    PRE G2 to a complete home cinema setup without missing out on the qualities of the PRE G2. To realise this kind of setup, please pro- ceed as follows: 1.
  • Page 34 By-Pass Mode of the Audionet System Remote Control. The signal 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 35: Technical Information

    1 dB resolution. 10.4 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...
  • Page 36: Update Pre To Pre G2

    10.5 Update PRE to PRE G2 Note · An Audionet PRE updated to does not feature a DC Servo. The cor- responding menu item in the setup menu is omitted for these units. Quality of performance and appearance is the equal to the original...
  • Page 37: 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 38: 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 Output impedance 22 Ohms real Output current max.
  • Page 39 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: Options...

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