T-series firmware update: T14-1 v1.5.2


Please fill in the form below to download the firmware package.
After submitting the form you will be redirected to a page with the download link.

Release date: March 2023

Priority: Medium

Includes two separate files (V1.5.2) for both T14-1 firmware and website and a third file containing the changelog and release notes.

Neither updates are fully compatible with previous versions of the other, so must be installed & used together.

Please fill in the form above to download the zip file containing the latest firmware and website updates for T14-1 amplifiers and follow the install process.


  • alp.bin
  • twebsite.bin
  • v1.5.2 T-Series Release Notes.txt

Description of change:

  • Added input priority option, allowing input 2 to override other signals when active
  • Output phase control allows multi-loop array installations to be installed using the rail standards compliant T14-1 to assist larger trackside areas
  • Improves network functions & RFC compliance, particularly Link-Local & DHCP (added DHCP Option 61 support)
  • Support for mDNS addressing by driver name on link local networks
  • Help text introduced throughout web interface
  • Other minor bugfixes

Instructions for use:

  1. Fill in the form above to download the zip files required.
  1. Load "alp.bin" and "twebsite.bin" from the zip file into the root directory (not in a folder) of a FAT32 formatted USB drive.
  2. With the T-series unit switched on, insert the USB drive into the “CONFIG / FIRMWARE UPDATE” socket on the front panel.
  3. Power cycle the T-series unit, or Restart from the Network tab of the web interface.
  4. The unit will restart – DO NOT TURN OFF THE POWER. The status LED will flash amber, then the unit will start as normal. This should take only a few seconds. The LED will continue to flash amber while the revised website is loaded. All previous user settings will be maintained and applied.
  5. Remove the USB stick from front panel.


If you have any queries please contact us: support@ampetronic.com or call +44 (0) 1636 610062