Audionet HUMBOLDT User Manual
  1. Manuals
  2. Brands
  3. Audionet Manuals
  4. Amplifier
  5. HUMBOLDT
  6. User manual

Audionet HUMBOLDT User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
-
HUMBOLDT
User's Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the HUMBOLDT and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Audionet HUMBOLDT

Summary of Contents for Audionet HUMBOLDT

  • Page 1 HUMBOLDT User‘s Manual...
  • Page 3 HUMBOLDT Ultimate Analog Integrated Stereo Amplifier User’s Manual...

  • Page 5: Table Of Contents

    Line level inputs Speaker terminals Preamplifier outputs 5.3.1 Bi-Amping Audionet Link Operating Powering up Switching on and off Using Audionet Link Control elements on the front panel Volume control Display Input selection Muting Setup Menu Global settings: Menu 7.1.1 Display 7.1.2...
  • Page 6 Settings for Audionet preamplifier AN-Ultimates Control App Network setup 10.1 Connecting to a wireless network 10.2 Setting up the Access Point Mode 10.3 Network trouble shooting 10.4 Updating the HUMBOLDT Protection system 11.1 Monitoring mains power voltage Security advice Technical information Technical data...

  • Page 7: Preface

    Even if you're an experienced aficionado of ultra-highend components, please start listening to your new Audionet HUMBOLDT by reading this manual care- fully before you plug it in. This will ensure you'll enjoy all functions of this unit...

  • Page 8: Included Items

     Always use the provided bag to prevent scratches on the casing.  Please allow the HUMBOLDT to adapt to the climatic conditions in your lis- tening room before you switch the unit on for the first time after the...

  • Page 9: Overview Front Panel

    Overview front panel power key rotary encoder keys (dynamically assigned functions) display...

  • Page 10: Overview Back Panel

    10 balanced (XLR) out 11 line out 12 speaker terminal 13 WLAN antenna socket 14 serial port (RS232) 15 ‘Audionet Link’ out 1 16 ‘Audionet Link’ out 2 17 additional ground terminal 18 ‘mains phase’ marking 19 mains power input...

  • Page 11: Installation And Power Supply

     Do not cover the ventilation openings on top of the HUMBOLDT.  Do not place any other unit on top of the HUMBOLDT.  Do not place the HUMBOLDT on top of other units. Especially not on top of power amplifiers, preamplifiers or similar components that produce heat.

  • Page 12: Mains Connection

     The electrical specifications of your home country must meet the electrical specifications printed onto the back panel.  The HUMBOLDT is a Class I unit and must be earthed. Please ensure a stable earth connection. The phase ('hot' pin) is marked on the back panel ('PHASE') ...

  • Page 13: Inputs And Outputs

    Please connect the left and right input of the same number printed on the back panel of the HUMBOLDT to the corresponding output of the source which you would like to connect to the HUMBOLDT.

  • Page 14: Preamplifier Outputs

    Note  Look out for the correct connection of your speaker cables. Usually, the ter- minals of your speakers are marked '+' and '-'. The HUMBOLDT uses the same labels.  Wrong speaker polarization will result in severe loss of sound quality.

  • Page 15: Audionet Link

    For your convenience, the HUMBOLDT is able to switch all other Audionet units (e.g. power amplifiers) on or off, that are connected via 'Audionet Link' (e.g. by a simple touch on the included remote control or the power key on the front panel).
  • Page 16  Audionet source units and power amplifiers are usually equipped with an 'Au- dionet Link' input and additionally with an 'Audionet Link' output to connect further Audionet devices to be controlled via 'Audionet Link' in a daisy chain. Connect the 'Audionet Link' output to the 'Audionet Link' input of the next unit, using a simple optical 'Toslink' cable.

  • Page 17: Operating

    (refer to sections 'Installation and power supply' on page 11 and 'Inputs and outputs' on page 13). The HUMBOLDT is a stand-by unit. Please insert the power cord into the mains input socket on the back panel and connect the HUMBOLDT to mains power.

  • Page 18: Switching On And Off

    Note  Of course, you may switch the HUMBOLDT on and off with the included Audionet Metal Remote Control. For detailed information please refer to section 'Audionet Metal Remote Control' on page 52.

  • Page 19: Control Elements On The Front Panel

    Control elements on the front panel The front panel has six keys to control the HUMBOLDT (refer to section 'Over- view front panel' on page 9). You can control all functions with these keys as well as all setup options to adjust the unit to your preferences (see section 'Setup Menu' on page 25).
  • Page 20 The volume control of the HUMBOLDT has a range from –80 dB to +10 dB in real 1 dB steps relatively to the level of the input signal. Differences in input levels can be adjusted for each input channel of the HUMBOLDT separately (see section 'Offset' on page 48).

  • Page 21: Display

    Display The display provides the following information in normal operating mode: 1 Number and type of the currently selected input channel, corresponding to the number printed above the input jack on the back panel (refer to section 'Overview back panel' on page 10). 2 Name of the currently selected input channel, fully user-definable (see section 'Name' on page 50).

  • Page 22: Input Selection

    'Setup Menu' starting from page 25. Input selection Push the key on the front panel while the HUMBOLDT is in normal oper- Input ating mode. Afterwards select the desired input channel by using the rotary en- coder.

  • Page 23: Muting

    Note  To switch to the next or previous input channel by using the Audionet Metal Remote Control, select an input channel by using the keys 'CH+' and 'CH-' (refer to section 'Key assignment' on page 52).  If you are within one of the setup menus and would like to change the volume, press the key first to get back to the main screen.
  • Page 24  To control the muting of your HUMBOLDT by the Audionet Metal Remote Control, use the key (see section 'Key assignment' on page 52).  If you are within one of the setup menus and would like to mute the volume,...

  • Page 25: Setup Menu

    Setup Menu To adjust the HUMBOLDT to your preferences, please use both setup menus . Both of the keys are always available on the Menu Options Menu Options main screen of the display. All global settings are located within the setup menu .
  • Page 26 While inside one of the menu items, use the rotary encoder to select a setting. Press key to save the selected setting to the non-volatile memory of the Save HUMBOLDT. The display acknowledges the procedure with the message ' Saved...
  • Page 27 After saving the setting, the display of the HUMBOLDT reverts to its main screen. You will always return to the menu level above by pressing the key. The Back key directs all the way back to the main screen. Both keys...

  • Page 28: Global Settings: Menu

     HUMBOLDT will automatically leave the setup menu and return to normal operations mode, if no adjustments are made within 12 seconds.  If the HUMBOLDT is powered down to stand-by mode, all settings are stored automatically in the non-volatile memory of the unit. Even after disconnecting from mains, HUMBOLDT still remembers your settings.

  • Page 29: Balance

    Turn the rotary encoder counter clockwise to shift the balance to the left. The value in the display turns negative. HUMBOLDT allows a shift of the balance up to 9 dB to the left or the right. The displayed bar graph visualises a balance shift to the left or the right side with a blue rectangle.

  • Page 30: Power

    7.1.3 Power Global Settings - Power Display Auto Start Balance Auto Power Off Power Serial By-Pass Network Reset Info Home Back Select The sub-menu consists of the two options Power Auto Start Auto Power Off Auto Start Turn the rotary encoder on the front panel clockwise to activate the Auto Start function.
  • Page 31 Auto Power Off The Audionet HUMBOLDT is equipped with an input signal detection circuit. The HUMBOLDT will shut down automatically (Auto Power Off function) when no input signal is detected for a period of 20 minutes on the currently selected input channel.

  • Page 32: Serial

     While the serial port is active, the HUMBOLDT will have an increased power consumption during stand-by mode.  Disable the serial port, if you do not wish to control the HUMBOLDT via serial port (e.g. with a home automation system).

  • Page 33: By-Pass

    7.1.5 By-Pass The sub-menu 'By-Pass' consists of two menu items: Input for By-Pass DC Servo for By-Pass...
  • Page 34 Input for By-Pass Use the rotary encoder on the front panel to select the input channel you would like to use for the By-Pass Mode. Glob al Set t ing s - By-Pass - Inp ut Disp lay Inp ut for By-Pass Balance 5 - Line Inp ut 5 Pow er...
  • Page 35 0 - No Input The By-Pass Mode is primarily intended to integrate the overwhelming sound quality of the HUMBOLDT into an existing home cinema setup or to expand an existing excellent stereophonic system based on the HUMBOLDT to a complete home cinema setup without missing out on the qualities of the HUMBOLDT.
  • Page 36 By-Pass Mode which you selected in this menu item. The signal at the input channel selected for By-Pass Mode operations is passed through the HUMBOLDT at a level of 0 dB (i.e. no change in volume level) to the outputs.
  • Page 37 'HUMBOLDT' key on the Audionet Metal Remote Control, this mode will be saved, i.e. if you switch on the HUMBOLDT, the unit will switch to the last saved input channel selection and thus into By-Pass Mode.
  • Page 38 Only do activate the DC Servo in cases where the source connected to the HUMBOLDT 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. As factory default the DC Servo for By-Pass Mode is acti- vated.

  • Page 39: Network

    7.1.6 Network The Network menu contains three items: Wireless Connection Update Wireless Glob al Set t ing s - Net w ork - W ireless Disp lay W ireless Balance Connect ion Pow er Up d at e Serial By-Pass Net w ork Reset Info...
  • Page 40 The wireless network is disabled. The wireless network is activated. In order to control the HUMBOLDT via app, the wireless network has to be set to active. If you do not intend to use the network control, keep the wireless network disabled.
  • Page 41 Connection Press key to re-start the wireless connection. Re-Connect Redirects directly to info page 4 (refer to section 'Info' on Info page 45). For information on how to setup the wireless network please refer to section 'Network setup' on page 56.
  • Page 42 If any updates are found, HUMBOLDT starts the update process. A progress bar will appear and inform you on the status. Please wait until the update process has finished. The HUMBOLDT will re-boot automatically and is ready for the play- back of music afterwards.

  • Page 43: Reset

    Reset Network their factory defaults. After you press the button to choose one of the above listed reset meth- Select ods, HUMBOLDT will ask you to confirm, if you are sure to start the resetting process.
  • Page 44 Press the key instead, if you want to cancel the reset process and leave with- out resetting the HUMBOLDT. Fact ory Default Reset - A ll Set t ing s Reset all set t ing s t o fact ory d efault s.

  • Page 45: Info

    7.1.8 Info The menu item provides the user with a quick overview of the user settings. Info Four info pages are available. Use the keys to skip to the next or Next Prev previous info page. The status bar on the top of the display corner shows the number of the currently displayed info page.
  • Page 46 Press this key to get directly to info page 2 as a shortcut to check the current channel settings of the selected input channel. The info page 3 provides additional information on the HUMBOLDT and its soft- ware: Name of the device.
  • Page 47 Information on the current network connection is available on info page 4: Current operating mode of the network module: Mode Infrastructure Mode: connects to the selected wireless network (see section 'Connecting to a wireless network' on page 56). Access Point Mode: network module provides a stand-alone access point (see section 'Setting up the Access Point Mode' on page 58).

  • Page 48: Channel Settings: Options

    Channel settings: Options Options - 3 - Line Input Offset DC Servo Name Home Back Select 7.2.1 Offset Turn the rotary encoder clockwise to increase the input level of the current channel. To decrease the input level, turn the rotary encoder counter clockwise instead.
  • Page 49 The adjustment of the input level may be defined individually for each of the six input channels of the HUMBOLDT. The range varies from –9 dB to +9 dB in steps of 1 dB. The offset function is used to achieve a matching volume in case of different output levels of the various sources connected to the HUMBOLDT.
  • Page 50 7.2.3 Name You can assign a fully user-definable name containing up to 12 characters in length to each of the six input channels. The display will show the number of the cur- rently selected input channel as well as the assigned channel name. The cursor marks the character which you now may alter.

  • Page 51: Overview Of Factory Defaults

    Overview of factory defaults Option Setting Global settings: Display 100 % Balance 0 dB Auto Start Auto Power Off Input for By-Pass 0 - no input DC Servo for By-Pass Wireless Channel settings: Offset 0 dB (for all inputs) DC Servo Off (for all inputs) 1: Balanced In 1 2: Balanced In 2...

  • Page 52: Audionet Metal Remote Control

    Audionet Metal Remote Control The Audionet Metal Remote Control controls all important functions of the eve- ryday use of your HUMBOLDT. This chapter explains all commands in detail. Key assignment Power key HUMBOLDT Use the key 'HUMBOLDT' to switch the HUMBOLDT on or off.

  • Page 53: Changing The Batteries

    Settings for Audionet preamplifier The Audionet Metal Remote Control has 6 keys to control an Audionet (pre-)amplifier like the HUMBOLDT. The previous section 'Key assignment' ex- plains the function of these keys.
  • Page 54 The DIP switch for selecting the system address of the Audionet Metal Remote Control is located here: Set the DIP switch labelled 'SYS ADDRESS' in position '19' or '16' according to the following table: Audionet preamplifier Address HUMBOLDT, WATT, SAM G2, SAM 20 SE...

  • Page 55: An-Ultimates Control App

    AN-Ultimates Control App It is possible to control the HUMBOLDT via app by using the wireless network connection. The AN-Ultimates app for iOS is available for download at the Apple iTunes app store. Please refer to the documentation of your Apple device if you need further information on how to access the iTunes app store or how to install the app.

  • Page 56: Network Setup

    Wireless Note  At the first start-up of the HUMBOLDT or after resetting the network to factory defaults (see section 'Reset' on page 43) the HUMBOLDT provides a wireless network of its own (a so-called Access Point). The name of this net- work is 'AudionetHUMBOLDT'.
  • Page 57 4. The AN-Ultimates app will rec- ognize the HUMBOLDT afterwards and connect to it automatically. 8. You are now ready to use the AN-Ultimates app to control the HUMBOLDT (see section 'AN-Ultimates Control App' on page 55).

  • Page 58: Setting Up The Access Point Mode

    10.3 Network trouble shooting In case the HUMBOLDT is not able to connect to the selected wireless network, the display of the HUMBOLDT will inform you about the problem. This might occur most likely if a wrong passphrase is entered during the initial setup or if...
  • Page 59 By using this option, you ignore the error and continue working Ignore with the HUMBOLDT. This will be usually the case, if you know the preferred wireless network is down and you want use the HUMBOLDT with the remote control and front panel control elements in the meantime.
  • Page 60 56). Important  If you choose to ignore the error message and continue working with the HUMBOLDT, you will be able to select one of the other choices (' ' or Retry ') listed above at any time from the menu.

  • Page 61: Updating The Humboldt

    10.4 Updating the HUMBOLDT If the HUMBOLDT is connected to a wireless network that provides access to the internet, the AN-Ultimates app will automatically search AN-Ultimates for updates on the Audionet Server. In case an update is found, the AN-Ultimates...
  • Page 62  Do not disconnect the HUMBOLDT from mains power while the update process is running.  The HUMBOLDT must be connected to a wireless network that has access to the internet, so that the AN-Ultimates app is able to access the Audionet Server to check for updates and to download the necessary files.

  • Page 63: Protection System

    Discharging notice After discharging press key to continue to stand-by mode Important  As soon as an error is detected by the protection system, HUMBOLDT pow- ers down. The display gives information about the nature of the error. After the discharging is completed, the error message will still be in the dis- play.
  • Page 64 High frequency oscillation: defective preamplifier. Clipping: amplifier or preamplifier are overdriven. Overtemperature HUMBOLDT is getting too hot. Cooling slots covered. Fuse blown or different fault in power supply (pre voltage): Pre Voltage service case. Fuse blown or different fault in power supply (amplifier volt-...

  • Page 65: Monitoring Mains Power Voltage

    11.1 Monitoring mains power voltage During operations the HUMBOLDT monitors the mains power voltages. In case of sudden loss of mains, the HUMBOLDT shuts down all outputs to avoid harmful noise on the outputs due to the unexpected loss of mains power.
  • Page 66 (so that a secure operation of the unit is no longer ensured), the HUMBOLDT will shut down for security reasons issuing the warning ' Power...

  • Page 67: Security Advice

    BOLDT or the other connected units.  Use a dry cloth for cleaning! We do wish you many exciting listening experiences with your new Audionet device. If you still have any questions, do not hesitate to ask your Audionet retailer or contact us directly.

  • Page 69: Technical Information

    Technical information Special features of the HUMBOLDT:  Double mono setup of input, volume control and power amplifier sections as well as power supply for a maximum of channel separation  Magnetically and capacitively optimized circuit and device design without any ferro-magnetic materials.
  • Page 70  By-Pass mode for integration into home cinema systems.  Audionet Link outputs for the remote control of further Audionet devices.  User definable names for each input, input levels adjustable for each input.  User selectable function to remove DC levels from signal sources.

  • Page 71: Technical Data

    1 SMA for WLAN (control only) Outputs 2 pair speaker terminals, Rhodium (Furutech) 1 pair RCA line, Rhodium (Furutech) 1 pair XLR balanced, gold plated (Neutrik) 2 Audionet Link, optical 1 connector, gold plated, for additional earth connection Output impedance Line input: 50 kΩ...
  • Page 72 TFT chassis: brushed aluminum, black anodized Errors and omissions excepted. Specifications and design are subject to changes without prior notice. audionet GmbH Brunsbütteler Damm 140 B 13581 Berlin Germany en.audionet.de contact@audionet.de...
  • Page 76 Audionet is a registered trademark of Brunsbütteler Damm 140 B audionet GmbH 13581 Berlin Germany www.en.audionet.de Audionet...

Table of Contents