L1® Classic, Model I Power Stand Connections

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L1 Classic shipped between 2003 and 2005

The L1 Classic had features built into its input/output panel that allowed the three amplifiers to be used separately as power amplifiers. For example, up to six B1 Bass Modules could be driven from an auxiliary Power Stand. See: Classic Extended Bass Package

The input/output panel as it appeared in units shipped between 2003 and 2005 is shown.

(Units that look like this were shipped with Presets 1.0 installed. An upgrade to Presets Version 2.0 is available and highly recommended.)


  • On the right side of the input/output panel, there are inputs for
    • All Amps In
    • Amp 1 In
    • Amp 2 In
    • Amp 3 In

L1 Classic shipped between 2006 and 2007

Units that shipped between 2005 and 2007 were shipped with the Version 2 Presets. The input/output panel of these later units have a blue ring around the Amp 3 output (for B1 Bass Modules).


Detailed View of Input / Output Panel for 3 Amps

Note: All white inputs are unbalanced (Amp 1, Amp 2, Amp 3 ,All Amps In)


Model I

The L1 Model I uses a simpler input/output panel

  • Dropped Amp 1 out, Amp 2 output found on the L1 Classic
  • Identified by orange labels and L1® logo
  • RoHS compliant.
  • Shipped with Presets 3.0 installed.