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.

Highly portable PA and monitor combined for solo performers, DJs and general-purpose use. Fixed vertical control with 180° horizontal coverage Reduced vulnerability to feedback.

Three systems to choose from (Compact, Model 1S, Model II)
Two passive bass module options (B1 or B2)
Consistent coverage and tonal balance, portability and easy setup.

Quick Tutorial on Highly Useful BYPASS Feature...

Hi Folks,

At the recent L1 users conference in Colorado, we found out that a high percentage of T1 owners did not know about the BYPASS feature that's employed in many places in the T1.

The BYPASS feature is extremely useful in deciding if a particular adjustment is giving you the sound you want. It's a form of an A/B switch.

For example, if you want to hear how a particular ToneMatch preset sound on and off, you would use bypass. If you wanted to hear how a particular reverb sounded you could turn it on and off, on and off. And so on. Most effects have this valuable feature.

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Original Post
That's a good question, Paul!

When one selects a ToneMatch, not only does that "bring in" a predefined EQ curve, but it also defines the ranges affected by the zEQ controls.

I would have guessed that the zEQ ranges don't change when the ToneMatch preset is bypassed (it retains the previously selected ToneMatch ranges) -- but that's just an assumption!

It'll be nice to have clarification.
as it is possible to bypass each eq band by pushing its knob, you'd expect an overall bypass to do some extra trick. The only thing I can imagine is to substitute the preset's special eq-curve for flat, while retaining the preset's special Eq ranges. This way you'll have a setting which is not available in any other way.
Just guessing, Bose tell us please!
What happens when you select a channel ‘Bypass’ button on the T1® audio engine?

Pressing the ‘Bypass’ button on a channel will change it’s current ToneMatch® preset to the generic “Utility Flat” preset. This enables you to audition between specific ToneMatch® presets and the ‘Utility Flat’ setting, helping you decide which preset you will ultimately choose.

In contrast, the key frequency adjustments for zEQ do not change when the ToneMatch® preset is ‘Bypassed’. For instance say that you originally had a ‘Kick Drum’ preset selected and then pressed ‘Bypass’, the key zEQ adjustment points would still remain focused on fine tuning a kick drum.

I hope that this helps provide clarification.

Thank you,
Neil

(Edited for clarification on 10/13/2010)
Hi Neil,

Thank you for the reply.

Sorry - I'm not understanding this yet.

If you are using a Vocal Microphone Preset and the zEQ settings are optimized for human voice (different than Utility - Flat??), what happens to the zEQ settings when you press Bypass?

or did you mean (bold emphasis is mine)

quote:
Originally posted by Neil-at-Bose:
Hi Guys,

Just dropping in on this thread to confirm that the zEQ settings do not shift if you elect to "bypass" the ToneMatch preset.

When in bypass mode the preset does not change to the utility flat setting.

Neil
quote:
Originally posted by ST:
Hi Neil,

Thank you for the reply.

Sorry - I'm not understanding this yet.

If you are using a Vocal Microphone Preset and the zEQ settings are optimized for human voice (different than Utility - Flat??), what happens to the zEQ settings when you press Bypass?


In this instance when you press bypass the zEQ points remain voiced for "vocal microphone".
I use this feature when giving system demos. It is the very best way to get people to understand what ToneMatch actually is.

I plug two inherently different mics (an Audix OM5 and a Shure SM58 into two channels on the ToneMatch, with the appropriate presets.

I bypass both presets and demonstrate that the two mics do indeed sound very different by themselves.

Then I switch on both presets, and voila! The two mics now sound EXACTLY THE SAME.

It's fun to watch the light bulbs go on over their heads.
I am posting a reply to this thread to provide further clarification..

What happens when you select a channel ‘Bypass’ button on the T1® audio engine?

Pressing the ‘Bypass’ button on a channel will change it’s current ToneMatch® preset to the generic “Utility Flat” preset. This enables you to audition between specific ToneMatch® presets and the ‘Utility Flat’ setting, helping you decide which preset you will ultimately choose.

In contrast, the key frequency adjustments for zEQ do not change when the ToneMatch® preset is ‘Bypassed’. For instance say that you originally had a ‘Kick Drum’ preset selected and then pressed ‘Bypass’, the key zEQ adjustment points would still remain focused on fine tuning a kick drum.

I hope that this helps provide clarification.

Thank you,
Neil
This is very useful information Neil.

I have in the past, at open mics and multiple band events, bypassed a particular preset with out changing to another preset, when changing the channel to an instrument that did not have a preset, like a guitar or vocal mic. Then used zEQ for that new instrument. That could certainly have led to less than optimum results for the new instrument.

As you mention in your example, most often, the case for me is that it was a kick drum channel that I was bypassing. I remember those times, because I quite often forget to bypass the Kick Gate. That makes for an interesting sound!

Thanks much for this important warning/update.

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