L1 Model II

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Using proprietary Bose® technology, L1 systems combine  PA and monitors into a single, highly portable unit. The  loudspeaker can be positioned behind or to the side —and you hear what the audience hears.

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How do I connect a keyboard midi controller to a nano piano, to a tc helicon harmony singer, to the tone match mixer, to the Bose L1?

tried it today and thought I blew the speakers. But I didn’t.

thanks!


Edit Subject: Previously "Connecting stuff."

Bose Pro Community Admin  

Original Post

Hi, Annie.

Annie posted:

How do I connect a keyboard midi controller to a nano piano, to a tc helicon harmony singer, to the tone match mixer, to the Bose L1?

tried it today and thought I blew the speakers. But I didn’t.

thanks!

I'm sorry you had trouble getting all these components to work together. Let's track down the source of the crazy loud noise.

Signal Source or PA?

Do you have a (non-Bose) powered loudspeaker or PA? If you do, connect everything you described above "keyboard midi controller to a nano piano, to a tc helicon harmony singer" to the other powered loudspeaker or PA. 
Do you still get the crazy loud noise?

  • If you do, the problem is with the signal source.
    "keyboard midi controller to a nano piano, to a tc helicon harmony singer"
  • If you don't, the problem is with the ToneMatch mixer and L1


OR

Do get the loud noise if you connect a microphone to the Bose system do still have the loud noise? Please try the option below that matches your equipment.

L1 Model I or L1 Classic or L1 Compact

  • Connect the microphone directly to channel 1 of your L1


L1 Model 1S or L1 Model II

  • Connect the ToneMatch mixer to the L1
  • Connect the microphone to channel 1 of the ToneMatch mixer

Before we go running through all the options, please tell us:

  • Is the problem the signal source or the PA?
  • What model is your ToneMatch mixer (T1, T4S, or T8S)?
  • What model is your L1 (L1 Compact, L1 Model I, L1 Model 1S, L1 Model II)?



Thanks,

ST

I have the midi controlled keyboard connected to a Nano Piano module, with that module going into the instrument in on the HS.
My vocal mic goes into the harmony singer, which is all going into the Bose sound match mixer, which connects to the L1 Bose tower (the very first model).

thanks if you can make sense of this....!

Hi, Annie.

Thanks for the additional information. That helps.

Annie posted:

I have the midi controlled keyboard connected to a Nano Piano module, with that module going into the instrument in on the HS.
My vocal mic goes into the harmony singer, which is all going into the Bose sound match mixer, which connects to the L1 Bose tower (the very first model).

thanks if you can make sense of this....!

I've altered the questions I asked in my earlier post based on the information you just provided.

Let's track down the source of the crazy loud noise.

Signal Source?

Do you have a (non-Bose) powered loudspeaker or PA? If you do, connect everything you described above "keyboard midi controller to a nano piano, to a tc helicon harmony singer" to the other powered loudspeaker or PA. 
Do you still get the loud noise?

  • If you do, the problem is with the signal source.
    "keyboard midi controller to a nano piano, to a tc helicon harmony singer"
  • If you don't, the problem may be with the ToneMatch mixer and L1


L1?

L1 Classic

  • Connect the microphone directly to channel 1 of your L1

Do you get the loud noise? If you do the issue is with the L1



ToneMatch mixer?

  • Connect the ToneMatch mixer to the L1 channel 1
  • Connect the microphone to the ToneMatch mixer, channel 1

Do you get the loud noise? If you do then the issue is probably with the ToneMatch mixer.


Based on the answers to my questions above, Is the problem the signal source or the L1 or the ToneMatch mixer?

  • What model is your ToneMatch mixer (T1, T4S, or T8S)?
  • Please describe the loud noise. Is it a howl or a squeal or something else?


Thanks,

ST

Hi Annie,

Thanks for confirming the Bose equipment you are using.

Annie posted:

The system is a PS1 and the tone match is a T1.

L1 Classic

Connect the microphone directly to channel 1 of your L1

Do you get the loud noise? If you do the issue is with the L1

T1 ToneMatch mixer

  • Connect the T1 ToneMatch mixer to the L1 channel 1
  • Connect the microphone to the ToneMatch mixer, channel 1

Do you get the loud noise? If you do then the issue is probably with the T1 ToneMatch mixer and we can explore that further.

If you don't hear the loud noise let's keep going.

TC Helicon Harmony Singer

Do you have the

TC Helicon Harmony Singer

or

TC Helicon Harmony Singer 2

Connection to the T1

Connect the TC Helicon Harmony Singer to the T1. Do not connect the microphone yet.

Do you hear the loud noise?

Connect the microphone

Do you hear the loud noise? If yes, then you probably need to contact TC Helicon.

If not, let's connect the Nano Piano module.

TC Helicon Harmony Singer Instrument In

Do you hear the loud noise? If yes, then you probably need to contact TC Helicon.

Previously, did you connect the INSTR THRU through to the T1?

TC Helicon Harmony Singer Instrument through

If you do that now, do you hear the loud noise? If yes, then you probably need to contact TC Helicon.

How far did you get before you heard the loud noise?

Thanks,

ST

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Thanks SO MUCH, ST! It’s all working well right now.

I appreciate all of your help!!

Annie

PS; does quality of the cable affect volume output? It feels like the T1 isn’t pushing a lot of volume unless I crank the main up. Or maybe that’s the Harmony Singer?

Hi, Annie.

Annie posted:

Thanks SO MUCH, ST! It’s all working well right now.

Terrific!



I appreciate all of your help!!

Annie

PS; does quality of the cable affect volume output?

Unless the cable is defective, the quality of the cable is not likely an issue with the volume. A poor quality cable will introduce line noise instead of volume issues.

If you are concerned, try a different cable.

It feels like the T1 isn’t pushing a lot of volume unless I crank the main up.

Is your concern that the overall volume is not high enough, or just the vocal?

On the L1 is the SIGNAL/OL light green with red flickers?

SignalOLLED.png

There are two LEDs on the PS1 Power Stand (Classic) / Model I near the Trim knob labeled Signal/OL -- one for Channel 1 and another for Channel 2.

These LEDs indicate when the signal level channel's preamplifier reaches certain important thresholds. The trim controls located near the LEDs adjust the amount of gain in the preamplifier.

The LEDs turn from off → green when the signal level exceeds a small amount.
The LEDs turn from green → red when the signal reaches a level that's about 10 dB below a level that would clip the preamp and cause objectionable distortion.

When the LED is off (but you are playing an instrument you think is connected to the PS1 or singing/talking into a microphone you think is connected): Increase the level of the trim control. If the LED still does not turn green or red, check the instrument/microphone and cables to the PS1.

When you see green only: This indicates that there's some signal in the channel but not enough. While singing or playing the loudest you ever plan to in the performance, increase the trim level until the LED is only flickering red. This is the optimal gain.

When you see red most of the time: Decrease the trim level until you see only flickering red. This is the optimal gain.

If the LED is green with red flickers, the cable from the T1 to the L1 is probably fine.

Or maybe that’s the Harmony Singer?

Is the Keyboard Nano module loud enough? If yes, and your issue is with the vocals...

If you have a TC Helicon Harmony Singer (not Harmony Singer 2) try adjusting the MIC GAIN

TC Helicon Harmony Singer MIC GAIN



Source: TC Helicon Harmony Singer

ST

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