Introducing the Bose® L1® Model 1S and Bose® B2 Bass Module

Introducing the Bose® L1® Model 1S system.

and the Bose® B2 bass module

For Model II owners who want to use the full features of the B2 you will want the Model II Power Stand Firmware version 1.4 providing support for the B2 Bass Module

Additional information in the L1® Wiki:

Video

Bose L1 Model 1s Line Array System - Bose L1 Model 1S

Bose B2 Bass Module for Bose L1 Systems - Bose B2

edit: Updated link to firmware update.

Very Important Notice
Corrected files for Model II Power Stand Firmware update.

This applies to Model II owners who are using a B2 bass module

Please use this download: Model II Power Stand Firmware version 1.4 providing support for the B2 Bass Module

This addresses the following issue:
When customers complete the update it still shows that they have V1.02 installed. In all actuality the update did take (enabling all B2 positions to work)however the firmware version is not renamed.

The file on the Bose downloads page (first linked file) contains the error.

Updated instructions
Important: After step #3 below (firmware update) you need to restart your system to see the firmware version number update on the T1®. I've inserted instructions below in the screen shot.

Original Post
Hi Nick,

quote:
Originally posted by Nick from New Zealand
The B1 is still part of the equation. No sign of any other sort of sub rumoured elsewhere.

The Bose® B2 bass module seems to have been under wraps until today.
quote:



There's a T1 in the background photo which suggests this will be more like the Model II and less of a replacement for the model I.


There are some new comparison guides. Check out the last two links on this page in the wiki

Bose FAQs
Hi Lou D,

quote:
Originally posted by Lou D:
I'm a Model 1 guy so I will have to wait and see.

Thanks Scott


The B2 Bass Module will work with the Classic/Model I Power Stands in "Normal Mode" and this is designed to sound and work like two B1s.

For Model 1s and Model II only there are two other modes available.

  1. - operates like a single B1
  2. + operates like 2 B1s attached to the Power Stand and 2 B1s run through a PackLite Amp



--∈∞ΘΞ Please click the picture for more details ΞΘ∞∋--

There is a
L1® Model II Power Stand firmware update for the Model II (only) that allows it to support all three modes on the B2.
Corrected files for Model II Power Stand Firmware update.

This applies to Model II owners who are using a B2 bass module

Please use this download: Model II Power Stand Firmware version 1.4 providing support for the B2 Bass Module

This addresses the following issue:
When customers complete the update it still shows that they have V1.02 installed. In all actuality the update did take (enabling all B2 positions to work)however the firmware version is not renamed.

The file on the Bose downloads page (first linked file) contains the error.

Updated instructions
Important: After step #3 below (firmware update) you need to restart your system to see the firmware version number update on the T1®. I inserted some notes in the screen shot.



Note: the lead post in this discussion has the correct links.
Model II and no T1® but looking at a B2 bass module?

I just spoke with L1® Support.

If you have a Model II and want to update your firmware so that you can run the Bose B2 bass module with full support for all three modes, you can take your Power Stand to Guitar Center or a Bose retail store and get it done.

Call ahead to make sure that they are expecting you.
got my b2's today...can't wait to go home and play Smile

Last night in preparation I upgraded my firmware....I downloaded the one that said UPDATED but still when upgrading the inital upgrade said OK...then when I applied the EQ update it aid this file already exists would you like to overwrite?

I thought the updated firmware file fixed this issue...anyone else notice this
Hi Joe,

If you apply the newer file over the broken one, you will have to assert that you want to do this even though the software updater detects it as the same version. It's not. You have to overwrite.

More details here


PS The version number may not show up until you retart your system. (Power down, wait 30 seconds, power up).
Hi Joe,

Here's how you can check.

On the T1®


  1. Turn the Rotary Selector to Prefs


  2. Press the first button


  3. Turn the first button until you see Versions
  4. Press the button


  5. The versions for the firmware will be displayed. The versions shown below are sample values.
    See:T1 ToneMatch® Audio Engine Firmware Updates for the latest firmware


  6. See:T1 ToneMatch® Audio Engine Firmware Updates for the latest firmware


Right now the latest T1® firmware is 1.8.

What have you got?

Notes: What version of the T1® Firmware do I have?


What version is your Power Stand?


  1. Turn the Rotary Selector to Prefs


  2. Press the first button


  3. Turn the first button until you see Power Stand


  4. Press the button

  5. The version is displayed.


The latest versions add support for the B2 Bass Module

The latest Power Stand EQ: 1.0.4
The latest Power Stand Firmware: 1.4

If you don't have that please update your firmware at this link:

L1® Model II Power Stand Firmware Updates.
I picked up two B2's today from GC. Updated one of my Model 2's and tried it in my house. It was awesome. However, not the same as it will sound in a large banquet hall. Will try that this Saturday.

Bose listened and deilivered. However, my B1's always took a beating from the open bottom cover.

For a company that truly listens to its customers and offers exceptional customer care, they missed making the really small changes that would help us care for the products we have bought!

1) why don't the covers have padding?
2) why not redesign the covers to protect all six sides?
Hi Balvinder,


quote:
Originally posted by Atlanta DJ:
I picked up two B2's today from GC. Updated one of my Model 2's and tried it in my house. It was awesome. However, not the same as it will sound in a large banquet hall. Will try that this Saturday.

I'm looking forward to reading what you have to say about the B2s after your event tonight.
quote:



Bose listened and deilivered. However, my B1's always took a beating from the open bottom cover.

For a company that truly listens to its customers and offers exceptional customer care, they missed making the really small changes that would help us care for the products we have bought!

1) why don't the covers have padding?
2) why not redesign the covers to protect all six sides?


I have the old style heavy-duty bags for the B1s. These were an optional accessory for the B1s back around 2005-2007. They are padded and roomy, and they cover all six sides and have a zipper closure.

So I thought about what you are saying about a six-sided bag for the B2s.

When I look at my B1s, they are scuffed up anyway, and they got that way from what happens to them during normal setup and teardown. As much as I like the B1 fancy bags, I really don't think that they've made any significant difference (vs. the stock bags). I can tell you that those bags require extra steps when loading and unloading:
Stock bag
Setup UP
- put B1 down
- lift slip cover off
- reposition the B1 if necessary (e.g. stacking)

Tear Down
- put B1 on the floor with handle up if not already in that position
- slip cover over the top


Six sided bag with zipper closure
Unpacking:
- put B1 down
- unzip the flap
- lift B1 out of bag (you'd have to re-think this with at B2)
- reposition the B1 if necessary (e.g. stacking)

Packing
- put B1 on the floor with handle up if not already in that position
- slip bag over the B1
- flip the B1 (in the bag) over (I think this would be no fun to do with a B2)
- zip up the flap
Hi ST,

Good points about the zipper bags. I really would not want zipper bags, as I have found the zippers can get stuck and break. I was thing more of a velcro bottom that comes completely off, so that if you were to stand the B2 vertically, you could leave the bottom flap/attachment under the speaker, after positioning the speakers and removing the cover.

I have always tried to look after the speakers. For both my 502 BP's and my 802III I have flight cases with casters. They still look new and the cases make load in and out much easier.
My B1's look a little beatup.

As for my experience this weekend, I don't really thing I got to test them as I wanted. My helper was supposed to bing my equipment from his house and last minute changed his mind, so I had to drive way out of my way. I just made it in time. Additionally it was a more conservative engagement celebration, in a relatively small banquet hall.

The one time during the dance music, when I stepped out in front of the speakers, I felt that the towers were over powering the bass bins.

Will try again this weekend!
Hi Balvinder,

That's a really neat idea with the velcro bottom that you could leave on the floor. It sounds like a relatively easy thing to retrofit.

I'm looking forward to reading your thoughts when you have had a chance to spend some more quality time with your B2s this weekend.

Just in case you missed it, Dance Host is looking for comments from Model IIs DJ/owners who have B2s.

B2 Questions and Model II Owner comments please
One of the reasons the B1's look beatup is that they have a handle on both sides. Especially when you have someone helping, can and have put the cover over the wrong side and then the top is exposed and gets scratched abd beatup. On occassions I too have been guilty of this.
Hi Dave L,

quote:
Originally posted by Dave L:
Does the L1 1S use the same power stand as the L1 model 2?


No, the Model 1S and Model II Power Stands are different.



The Model II Power Stand has a Bass Line Out and supports a 24 driver Cylindrical Radiator®

The Model 1S Power Stand does NOT have a Bass Line Out. It supports a 12 driver Cylindrical Radiator®.

What else can I tell you about the Model 1S?

I have some notes here: L1® Model 1S


Do you still have your Model I and Compact?
quote:
Originally posted by ST:
Hi Dave L,

quote:
Originally posted by Dave L:
Does the L1 1S use the same power stand as the L1 model 2?


No, the Model 1S and Model II Power Stands are different.



The Model II Power Stand has a Bass Line Out and supports a 24 driver Cylindrical Radiator®

The Model 1S Power Stand does NOT have a Bass Line Out. It supports a 12 driver Cylindrical Radiator®.

What else can I tell you about the Model 1S?

I have some notes here: L1® Model 1S


Do you still have your Model I and Compact?


Thanks ST! I still have my compact! I'm thinking of getting a model II with B2. I sold my model 1 dual b1 because of lack of bass I hope this solves that problem.
Hi Dave L,

For you, I think that the Model II makes more sense than a Model 1S because it has bass expansion (you can add a PackLite and a second B2 if you need it). You can't do that with a Model 1S. If you ever wanted to go that route, the Model II line array (twice as high, more power) is a better match for that kind of bass.

Sounds kind of circular, but does it make sense?
Thanks ST! I apologize for all the questions but it's hard to find specs on the Bose stuff. Is the power output the same on the 2 powerstands? I'm debating getting 2 wit 2 b2's

quote:
Originally posted by ST:
Hi Dave L,

For you, I think that the Model II makes more sense than a Model 1S because it has bass expansion (you can add a PackLite and a second B2 if you need it). You can't do that with a Model 1S. If you ever wanted to go that route, the Model II line array (twice as high, more power) is a better match for that kind of bass.

Sounds kind of circular, but does it make sense?
Hi Dave L,

The Model II Power Stand / Cylindrical Radiator® has more output than the Model 1S Power Stand / Cylindrical Radiator®.

That would be a much more meaningful statement if the Cylindrical Radiator®s were the same length but they are not.

The Model II Cylindrical Radiator® is twice as long as the Model 1S Cylindrical Radiator® AND it starts at floor level that means that it can use the floor to mirror the length. This is a benefit but not simple to quantify as a predictor of performance. If you want to explore it start here,

quote:
Originally posted by Ken-at-Bose:
My explanation will on the one hand sound nice and neat but in reality the answer is messy and fuzzy.

Caveat emptor.

A nice big hard massive floor can be thought of like a mirror with light. When you put the L1 system against the floor, the effective length doubles because of the mirror image L1 created by the floor (the mirror).

The next interesting thing is that with line source, when you double the length (i.e. add the effect of the floor) you effectively QUADRUPLE the "line-sourced-ness". So, for example, if you observe a certain "line-sourced-ness" at one distance with a line source of some length, then you will observe the same line-sourced-ness at FOUR TIMES the distance if you double its length.

Similarly, if you observe a behavior at one frequency for a line source of a particular length, then you will observe that same behavior at ONE FOURTH the frequency if you double the length of the line source.

Pretty cool.

Now, when you raise the L1 system off the floor, you create a gap between the L1 system and its mirror image equal to twice the height you raise it off the floor. Said another way, you create an array of two L1 sources separated by twice the height off the floor. At higher frequencies this will create a shadow zone in coverage -- okay if the only thing in that shadow zone are legs and knees of the listeners. The benefit is that more ears can "see" more of the L1 source.

But at least some (this is the fuzzy and messy part) of the benefit of "pure" double-length, four-times the effect, line source are diminished because of the gap.

A stage lip is of course an even messier situation. The "mirror" isn't flat but has two offset surfaces, and this creates a more complicated set of image sources. Again, some of the effectiveness of having a big flat floor plane are going to be diminished.

I hope this is of some help to the community.

(Many thanks to Chris-at-Bose who gave me years ago the most lucid explanation of line source behavior, much of which I'm drawing on here.)

Ken

Original Post (follow the link for a very interesting discussion).


The is also the vertical dispersion to consider (a factor in large rooms with high ceilings).

Model II - Vertical dispersion:  0°
Model 1S - Vertical dispersion: 10°

So Dave L, is this helping or ....?


References: L1® Family Comparisons
Thanks again ST! I just made the plunge and back to Bose.I will be reporting about the B2 and my model II.

quote:
Originally posted by ST:
Hi Dave L,

The Model II Power Stand / Cylindrical Radiator® has more output than the Model 1S Power Stand / Cylindrical Radiator®.

That would be a much more meaningful statement if the Cylindrical Radiator®s were the same length but they are not.

The Model II Cylindrical Radiator® is twice as long as the Model 1S Cylindrical Radiator® AND it starts at floor level that means that it can use the floor to mirror the length. This is a benefit but not simple to quantify as a predictor of performance. If you want to explore it start here,

quote:
Originally posted by Ken-at-Bose:
My explanation will on the one hand sound nice and neat but in reality the answer is messy and fuzzy.

Caveat emptor.

A nice big hard massive floor can be thought of like a mirror with light. When you put the L1 system against the floor, the effective length doubles because of the mirror image L1 created by the floor (the mirror).

The next interesting thing is that with line source, when you double the length (i.e. add the effect of the floor) you effectively QUADRUPLE the "line-sourced-ness". So, for example, if you observe a certain "line-sourced-ness" at one distance with a line source of some length, then you will observe the same line-sourced-ness at FOUR TIMES the distance if you double its length.

Similarly, if you observe a behavior at one frequency for a line source of a particular length, then you will observe that same behavior at ONE FOURTH the frequency if you double the length of the line source.

Pretty cool.

Now, when you raise the L1 system off the floor, you create a gap between the L1 system and its mirror image equal to twice the height you raise it off the floor. Said another way, you create an array of two L1 sources separated by twice the height off the floor. At higher frequencies this will create a shadow zone in coverage -- okay if the only thing in that shadow zone are legs and knees of the listeners. The benefit is that more ears can "see" more of the L1 source.

But at least some (this is the fuzzy and messy part) of the benefit of "pure" double-length, four-times the effect, line source are diminished because of the gap.

A stage lip is of course an even messier situation. The "mirror" isn't flat but has two offset surfaces, and this creates a more complicated set of image sources. Again, some of the effectiveness of having a big flat floor plane are going to be diminished.

I hope this is of some help to the community.

(Many thanks to Chris-at-Bose who gave me years ago the most lucid explanation of line source behavior, much of which I'm drawing on here.)

Ken

Original Post (follow the link for a very interesting discussion).


The is also the vertical dispersion to consider (a factor in large rooms with high ceilings).

Model II - Vertical dispersion:  0°
Model 1S - Vertical dispersion: 10°

So Dave L, is this helping or ....?


References: L1® Family Comparisons
Hi Davel L,

quote:
Originally posted by Dave L:
Thanks again ST! I just made the plunge and back to Bose.I will be reporting about the B2 and my model II.


I'll look forward to hearing about your first impressions.
Ok, just got back from a all Bhangra party. Bhangra is a genre of music from the North Indian state of Punjab. It is heavy on the "dhol" Beat. A drum from Punjab. The party was non-stop once it got started, and the music sounded just great. Two l1 model 2's with one B2 each, layed horizontally. Only the towers were visible. There was no stage, but there was a backdrop, which I used to hide the B2's.
Ok, I am very late to this party. I've just been peaking around the Bose site again and I noticed these new products, the Model 1S and the B2.

I have been toying with grabbing a second Model II, 2 B1's for some time now. Now that I see they make this Model 1S, I like the option of using 2 of these, with a b2 on each, as this would be more economical that buying two Model II's, for stereo sound and to have as a backup (and they would be enough for what I need) However since I already own a model II, so this scenario won't happen.

So, my question is I take it that adding a Model 1s, B2 to my Model II 2B's would not be recommended? The reason I ask is just that it'd be easier for me to get my hands on the less expensive system. Has anyone out there mixed the systems before for DJ-ing, and if so how did it sound?

Thanks, and it's great to be back reading so many excellent posts on some great topics.
Hey I've read that the Bose subs sound loud but that you don't "feel" the bass as much. That might be helpful to me. I play vinyl, so I can't put a normal sub under or near the table 'cause of feedback. Maybe the Bose subs can be closer? Anybody tried it?

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