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registrar84
01-26-2007, 05:01 PM
Is there any difference between the two? Or did some models have the word "Century" and others did not, a marketing ploy.
Thanks in advance for your responses.

4313B
01-26-2007, 05:03 PM
:dont-know First I've heard of either model...

DavidF
01-26-2007, 05:28 PM
Is there any difference between the two? Or did some models have the word "Century" and others did not, a marketing ploy.
Thanks in advance for your responses.

Check out the library- product profiles/JBL- on references to this model. There were several iterations of the basic model extending on from the pro model 4310.

DavidF

Nightbrace
01-26-2007, 05:46 PM
There were actually 3 versions of the JBL L100 Century. The L100a, L100a (later version), and L100. All were very similiar, the only REAL difference would be the LE20 tweeter versus the LE25 in the later models which go a touch higher, but not much. The woofers changed from the 123A-1 to the 123A-3.. The 123A-3 has a slightly less peaked bass response, but not much... The biggest difference is with the "newer" L100 networks, but still very subtle.

Here's some tech info on the latest Century L100..

http://manuals.harman.com/JBL/HOM/Technical%20Sheet/L100%20CENTURY%20ts.pdf

Can we assume that these are your speakers??

Both L100a's used similiar networks and to me were virtually identical, the L100 was a little less detailed, but VERY similiar.

BTW< Welcome to Lansing Heritage! Its good to see another JBL fan...

Nightbrace
01-26-2007, 05:55 PM
:dont-know First I've heard of either model...

Yeah thats a really RARE speaker :), can't say I've seen too many of them..

registrar84
01-26-2007, 06:36 PM
Thanks for the response and link. I have a pair of L100 Century speakers, but there was a lone L100 being offered on ebay - item # 130073165045.
I am new to the forum, so I have much to learn.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>.

There were actually 3 versions of the JBL L100 Century. The L100a, L100a (later version), and L100. All were very similiar, the only REAL difference would be the LE20 tweeter versus the LE25 in the later models which go a touch higher, but not much. The woofers changed from the 123A-1 to the 123A-3.. The 123A-3 has a slightly less peaked bass response, but not much... The biggest difference is with the "newer" L100 networks, but still very subtle.

Here's some tech info on the latest Century L100..

http://manuals.harman.com/JBL/HOM/Technical%20Sheet/L100%20CENTURY%20ts.pdf

Can we assume that these are your speakers??

Both L100a's used similiar networks and to me were virtually identical, the L100 was a little less detailed, but VERY similiar.

BTW< Welcome to Lansing Heritage! Its good to see another JBL fan...

Nightbrace
01-26-2007, 06:55 PM
This might be interesting for you to read..

http://audioheritage.org/vbulletin/showthread.php?t=1389&highlight=70%27s+monitors

If you have come here to learn, this is the right place!

Zilch
01-26-2007, 07:42 PM
Here's some tech info on the latest Century L100..

http://manuals.harman.com/JBL/HOM/Technical%20Sheet/L100%20CENTURY%20ts.pdfNope. That be the early one with the two-pole highpass crossovers and the drivers in-line, a REAL difference....

http://www.audioheritage.org/images/jbl/extracts/thumbs/l100-431x_small.jpg

Nightbrace
01-26-2007, 09:20 PM
Nice pic. When I meant latest, I meant oldest, sorry for the confusion.. Since he listed L100 Century, I assumed that this is what he has.

Zilch
01-26-2007, 10:22 PM
Well, it's not the one listed in the auction he cited:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=130073165045&ru=http%3A%2F%2Fsearch.ebay.com%3A80%2Fsearch%2Fse arch.dll%3Ffrom%3DR40%26satitle%3D130073165045%26f vi%3D1

My L100As also say "Century" on them, so that name is not definitive:

http://audioheritage.org/vbulletin/showthread.php?p=122946#post122946

Nightbrace
01-26-2007, 10:31 PM
Well, it's not the one listed in the auction he cited:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=130073165045&ru=http%3A%2F%2Fsearch.ebay.com%3A80%2Fsearch%2Fse arch.dll%3Ffrom%3DR40%26satitle%3D130073165045%26f vi%3D1

My L100As also say "Century" on them, so that name is not definitive:

http://audioheritage.org/vbulletin/showthread.php?p=122946#post122946


This I know, all too well, sorry again if I was misleading, I didn't check out the Ebay auction before I posted those schematics.. Thanks for posting the link...

Unfortunately we cannot assume to know what L100's he has. And until then, it wouldn't be fair to say if the Ebay speakers he mentioned would be the correct ones to match the ones he currently has. Not that there will be MUCH difference, but he may want them all to be exactly the same, or as close to the same as possible.

Registrar84<< after looking at the pics of the L100 variations, do you think you know which ones you have? Pics would be helpful if you can post some... Can we assume that you want a single speaker for a center speaker??

Nightbrace
01-27-2007, 04:53 PM
Hey guys, something I've always wanted to know, is there any difference in the sound between the L100a and the L100?? The networks are a little different.. Was this merely an attempt for JBL to compensate for the vertical alignment of the drivers?

SUPERBEE
01-27-2007, 05:38 PM
It is a nice name. I wonder how they sound?

Anyone?...........Anyone?


:dont-know First I've heard of either model...

Zilch
01-27-2007, 07:08 PM
Alas, L100s are not amenable to critical listening.

Any sonic distinction among the variants is forever relegated to the realm of theoretical esoterica.

[Only CLIO knows.... ;) ]

http://audioheritage.org/vbulletin/showpost.php?p=12047&#post12047

Nightbrace
01-27-2007, 08:41 PM
Nope. That be the early one with the two-pole highpass crossovers and the drivers in-line, a REAL difference....



Is there a REAL difference between the vertically aligned L100 with the LX12-10 Networks versus the L100A with the N100 networks. Like I said, on paper the schematics are quite different as are the crossover frequencies. And as I asked before, was this merely JBL's attempt at getting the vertically aligned L100 to be the acoustic equivalent of the 4310?

Titanium Dome
01-27-2007, 09:09 PM
Alas, L100s are not amenable to critical listening.

Any sonic distinction among the variants is forever relegated to the realm of theoretical esoterica.

[Only CLIO knows.... ;) ]

http://audioheritage.org/vbulletin/showpost.php?p=12047&#post12047

And yet they are ever amenable to critical commentary. ;)

Nightbrace
01-27-2007, 09:14 PM
Its nothing thats too critical. just curiosity I guess. I don't want to know if one will be "better", just if there is a difference in sound between the 2, thats all, it may help this person make a better choice as to which speaker to pick... And I'm curious to know as well.

Titanium Dome
01-27-2007, 09:28 PM
It is a nice name. I wonder how they sound?

Anyone?...........Anyone?


Original L100 Century in vertical alignment: Best L100 Ever.* In fact, they are the only JBL speakers from the so-called :blah: Golden Era (ended mid-70s I guess) that still have iconic status in popular culture today. They continue to hold legendary sway over other JBL speakers and other speaker brands from the period which were superior in many respects to the L100.

Aided by the famous drooling review in Rolling Stone, they will still "knock you on your ass" and will turn any dorm room into an instant party central. They're attractive, fun, and trendy, even today, and nothing says "classic rock" or "traditional jazz" better.

They were made for LPs and RIAA curves and MPX stereo tuners and rumble filters and monster 35W/ch receivers with screw terminals and thin, cheap, rip cord speaker wire...

The L100's place in audio history is firmly established and rightfully so. I still completely enjoy myself when I settle in to listen to them. That's why two pairs of the originals still play in my JBL collection.

*When JBL modified the driver arrangement, I felt they harmed the character of the speaker. JMO.

Nightbrace
01-28-2007, 05:42 PM
The question still remains, what sonic differences are there between the vertically aligned L100 with the LX12-10 networks versus a comparable L100a or 4311 that has the N100 networks? As I said the networks are inherently different and the crossover points are different as well. I've never had the pleasure to listen to either of them, and am interested to know... Were the LX12-10 networks just an effort to get the L100's to sound the same in its vertical alignment versus the L100a/4311?

Basically what I am asking, is if you put the L100 with the LX12-10 networks side by side with the L100a/4311 with the N100 networks, will there be any sonic differences. If I need to be more clear with my questioning, I apologize...

fotodan
02-01-2007, 04:18 PM
I have them both, the 100's and 4311's running together. The only difference in the two are that the 4311's produce a little more noticable high and mid range sound, while 100's produce a bit more bass. put them together and its heaven. I have had both pairs since 1974, and would only get rid of them for a pair of the L300's.

Rockets
02-10-2007, 04:46 AM
Giskard, what speakers are those in your avatar?

Thanks

TC

Rolf
02-10-2007, 04:53 AM
Giskard, what speakers are those in your avatar?

Thanks

TC

The new DD66000. US$ 60.000.00 a pair. 450.000 NKR.

more10
06-10-2018, 04:03 PM
http://www.troelsgravesen.dk/JBL_L100.htm

Titanium Dome
06-10-2018, 07:32 PM
http://www.troelsgravesen.dk/JBL_L100.htm


It seems I've heard about this before. Has anyone on Lansing Heritage done this? If so, how do you like it?