T1 to T8S to L1 Model II

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This is an example of how you can connect a T1 ToneMatch Audio Engine to a T8S ToneMatch mixer to a single L1 Model II systems. You can connect the T1 to
  • T8S Channel 1 through 8
    • Connecting the the T1 to T8S channel 1 through 8 allows you to change the volume of the T1 using one of the T8S channel volume controls
      OR
  • T8S Channel 9 or 10
    • Connecting to Aux Input Channel 9 leaves all eight full featured channels available for other inputs. You will need to control T1 Pan and Level using the T8S PAN/AUX settings.

L1 Model II This information is applicable to the L1® Model II
T8S This information is applicable to the T8S ToneMatch® mixer
T1 This information is applicable to the T1 ToneMatch® audio engine

This is an example of how you can connect a T1 ToneMatch Audio Engine to a T8S ToneMatch mixer to a single L1 Model II systems.

This assumes that you will run the T1 ToneMatch Audio Engine output as mono.

T1 Power

You won't be connecting the T1 to a power stand so you will need a T1 ToneMatch® Audio Engine power supply.

Connect the T1 ToneMatch Audio Engine Master Output to T8S ToneMatch mixer Channel 8

Connecting the the T1 to T8S channel 1 through 8 allows you to change the volume of the T1 using one of the T8S channel volume controls

T1 to T8S to L1 Model II x 1 Channel 8.png


The output from the T1 ToneMatch Audio Engine is a balanced mono 1/4 inch (6.35 mm) Tip-Ring-Sleeve and the input on the T8S ToneMatch mixer is a balanced mono 1/4 inch (6.35 mm) Tip-Ring-Sleeve so use a cable like this.

1/4" Male TRS to 1/4" Male TRS Cable.

1/4" TRS Balanced Patch Cable (audiopile.net)


Connect the T1 ToneMatch Audio Engine Master Output to T8S ToneMatch mixer Aux Input Channel 9

Connecting to Aux Input Channel 9 leaves all eight full featured channels available for other inputs. You will need to control T1 Pan and Level using the T8S PAN/AUX settings.

T1 to T8S to L1 Model II x 1 Channel 9.png


The output from the T1 ToneMatch Audio Engine is a balanced mono 1/4 inch (6.35 mm) Tip-Ring-Sleeve and the input on the T8S ToneMatch mixer is a balanced mono 1/4 inch (6.35 mm) Tip-Ring-Sleeve so use a cable like this.

1/4" Male TRS to 1/4" Male TRS Cable.

1/4" TRS Balanced Patch Cable (audiopile.net)


T8S ToneMatch mixer PAN/AUX Input Settings

Bose engineered the T4S/T8S ToneMatch mixers to have four (T4s) / eight (T8S) full-function channels and two Auxiliary inputs. The Aux inputs 5/6 (T4S) or 9/10 (T8S) are routed directly to the Main Output.

You can use the Pan and Level adjustments accessible through the PAN/AUX menu. There are no changes to routing, or signal processing available. Only T4S/T8S channels one through four (T4S) / channels one through eight (T8S) can be routed to the Aux Outputs.



T4S Rotary Selector Aux.jpg

The Aux inputs are useful for sources that have their own volume and signal processing (e.g. EQ or effects). They are similar to an effects return channel on other mixers. Use the Master Volume to raise and lower the volume of the Aux inputs in sync with the other channels. To change the volume of the Aux inputs relative to the other inputs you can use the AUX/PAN Level (soft menu), or on the source device.

T4S Pan Aux.jpg

Related discussions: n/a


On the T8S ToneMatch mixer on the PAN/AUX setting for Aux Input (Channel 9) set the Pan to Left, Right, or Center as required. Right will send the T1 ToneMatch Audio Engine output to the L1 Model II connected to the Right output.


L1 Model II Gain Staging

For each L1 Model II


L1 Model II Analog Input

The Analog input is a 1/4 inch (6.3 mm) Tip-Ring-Sleeve balanced input jack.

Model 1S Analog Input Detail.png


Analog input trim (volume, or gain) control

Setting the trim level on the Model II Power Stand is a one-time step. Once you have matched the output of the ToneMatch mixer to the input of the L1 you don't need to adjust it again.

Model II Analog Input Trim.png

T4S/T8S ToneMatch Mixers
  1. Connect the source device Main Output to the L1 Model II Analog Input
  2. Set the Analog Input trim to 9:00 o'clock. Control the volume with the Master Volume on the ToneMatch mixer.
    Model 1S/II Analog Input for T4S/T8S
    If you set the input trim higher, you will have excessive line noise.
  3. If the Signal/Clip indicator glows red, decrease the Trim level so that it glows only green or yellow.
For third-party mixers
  1. Set the Trim control on the power stand to the 0 (zero) position.
  2. Connect the third-party mixer Main Output to the L1 Model II Analog Input
  3. Adjust the volume of the third-party Main Output to the reference or nominal output level.
    • On analog consoles this may be marked as unity or 0 dB.
    • On digital consoles this may be marked as -18 dBFS[1][2]. The exact value (-18 dBFS to -20 dBFS) may vary depending your location[3].
    • Refer to the manual for the third-party for details.
  4. If the Signal/Clip indicator glows red, decrease the Trim level so that it glows only green or yellow.

Model 1S Analog Input

  1. ↑ dBFS
  2. ↑ dBU vs dBFS
  3. ↑ dBFS Analog Levels
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