CH L10 User Manual
  1. Manuals
  2. Brands
  3. CH Manuals
  4. Amplifier
  5. L10
  6. User manual

CH L10 User Manual

Dual monaural line preamplifier
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
L10 Dual Monaural Line Preamplifier
User Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the L10 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for CH L10

Summary of Contents for CH L10

  • Page 1 L10 Dual Monaural Line Preamplifier User Manual...
  • Page 2 Dear Valued Customer, We are honored that you chose the L10 Dual Monaural Line Preamplifier. Our team has made every effort in the design and manufacture of this top quality versatile and future-proof product and is proud to present it to you.

  • Page 3: Table Of Contents

    The purpose of this manual Setting up your L10 Safety notice Unpacking Package contents Placing your L10, connecting the two chassis together and installing the spikes Stacking the L10 (or not) Connections 2.6.1 USB port 2.6.2 Ethernet port 2.6.3 Local area network considerations 2.6.4 Ground lift...

  • Page 4: Introduction

    As a result, your L10 offers a number of operational features that are unique and probably unfamiliar. For that reason it is essential that you fully understand every aspect of the L10’s operation if you are to enjoy its maximum possible performance.

  • Page 5: Setting Up Your L10

    Please also ensure that the rack or support space on which the L10 will be placed has been cleared and cleaned before you start. At this point it is also worth ensuring that the connectors on any interconnect cables are cleaned and that the power to your system is turned off.

  • Page 6: Package Contents

    If you do plan to use the CH spikes, use the blue suction cup to liftremove the four circular covers in the top plate of each unit. Gently insert the titanium composite spikes into each exposed shaft and use the short red screwdriver to turn them enough to engage the threads at the bottom of each spike.
  • Page 7 This should ensure that the load is evenly applied on all four spikes. It is worth using a spirit level to ensure that the L10 units are perfectly level. If they are not at this point of the setup, adjust the spikes with the screwdriver.

  • Page 8: Stacking The L10 (Or Not)

    Also included in the accessory packs is a set of small, dimpled stacking caps for each unit. These polymer inserts allow owners to stack the L10 units on top of each other, or on other CH components. However, this will inevitably compromise performance and should only be done when space is at an absolute premium.

  • Page 9: Connections

    2.6 Connections With the two (or four) L10 units placed and levelled, you are now ready to connect your signal cables. The rear panel layout is shown below: L10 audio unit rear panel connections 1. RCA 1 left input 16. Control (digital) power supply socket, to be 2.

  • Page 10: Usb Port

    2.6.1 USB port The USB port is not a digital audio input. It is dedicated to upgrading the firmware of the L10. Do not use it for any other purposes. For more information please refer to the firmware update instructions in the dedicated chapter of this manual.

  • Page 11: Local Area Network Considerations

    With all the signal inputs and outputs connected, you can now connect the IEC power cord to the input socket on the L10 power supply and switch the units on. You should see the red bar in the CH logo in the top-left corner of each front panel illuminate.

  • Page 12: How To Configure And Operate Your L10

    The L10 amplifier is operated either from the unit’s front panel display and concentric control or from the CH Control app. The initial set up should be done using the front panel buttons and the menus shown on the display. Once configured for inclusion in the Control App, all parameters can be adjusted or re-set remotely.

  • Page 13: Control Actions In Normal Mode

    3.1 Control actions in normal mode In general use, the rotary control allows you to switch the L10 on and off, select inputs or short-cut functions and adjust the volume level. Normal mode display elements 1. Handled channel (in true monaural) or channel pair 6.

  • Page 14: To Enter Menu

    Note that some parameters are input-specific, while others are global. For instance, you can individually adjust the input gain or coupling (direct or cap) of all L10 input, while the feedback setup (local or global) or absolute phase polarity are global parameters. All input-specific parameters are located in the INPUTS menu.
  • Page 15 L10 preamplifier menu structure Normal mode XLR 1 Shortcut mode SHORTCUT 1 SHORTCUT 2 SHORTCUT N EXIT ENTER Menu mode L10 SETUP >> AUDIO >> L10 SETUP AUDIO MUTE AUDIO >> PHASE POLARITY L10 SETUP >> INPUTS >> Selected input >>...

  • Page 16: Audio Settings Menu

    The L10 normally resumes its previous volume level upon startup. This setting allows to limit it to a lower value to avoid bad surprises if the L10 was previously turned off while a very high volume level was used. Maximum volume User-configurable absolute volume limit for the L10 (-30dB to 0dB in 10dB steps, or no limitation –...

  • Page 17: Display Settings Menu

    The L10 is preprogrammed with Mute and Phase Polarity as shortcuts one and two. After scrolling through the latest shortcut, the next screen that the L10 displays is the entry port to the L10 menu. It reads Detailed Setup. L10 User Manual...

  • Page 18: Network Menu

    If Yes is selected, the L10 will enter standby mode when it receives a Power Off command from the LAN. It will remain on if No is selected. This is useful if you want to keep your L10 on even when you turn off the rest of your system.

  • Page 19: Factory Settings Menu

    Serial number Displays the serial number of your L10. This serial number is also written on a sticker at the back of your L10. Installed options List the hardware configuration of your L10.

  • Page 20: Handheld Remote Control

    3.4 Handheld remote control The L10 preamplifier is delivered with an infra-red remote to drive the unit’s basic operational functions. The provided remote control is not intended to be used to configure the unit. It can be magnetically attached to the side panels of the L10 audio unit for storage.

  • Page 21: Firmware Update

    4.1 Preparing the USB stick The firmware of all the CH Precision units can be updated using the USB port located at the back of the unit. Before starting the firmware update, it is necessary to load a USB stick with files containing the new firmware.

  • Page 22: Emergency Firmware Update Procedure

    5. If the emergency firmware update procedure fails, try the same procedure again using a different USB stick. If the failure persists, turn off your unit and contact your authorized dealer for assistance. Note: The emergency firmware update procedure lasts 5-10 minutes, do NOT interrupt it! L10 User Manual...

  • Page 23: Troubleshooting

    L10 is not fully off. If any power cable gets disconnected by mistake while your L10 is on, just let it safely automatically turn off. Do not try to interfere with the emergency power down procedure of the device. Then wait a couple of minutes before plugging the umbilical power cables back.

  • Page 24: Specifications

    6 Specifications General User control Dual concentric rotary knob with push function, CH Control Android app Display 800×480 24bits RGB AMOLED Power supply Selectable 100V, 115V or 230V AC, 47Hz to 63Hz Power consumption (Standby) < 1W Power consumption (Normal operation)
  • Page 25 Design and Specifications are subject to change without notice. Weight and dimensions are approximate. Illustrations are informative only and may differ from the actual production model. Enclosure designed by Momentum Industrial Design – www.momentum.ch FCC-Notice Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.

Table of Contents