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Tannoy VQ60 and VS218DR

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ceharden View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ceharden Quote  Post ReplyReply Direct Link To This Post Posted: 01 April 2017 at 10:35am
I thought the co-ax 2" was the B&C, not the BMS???
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Teunos View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Teunos Quote  Post ReplyReply Direct Link To This Post Posted: 01 April 2017 at 6:28pm
Has to be the BMS since the diaphragm sizes dont line up with the b&c. Also, i remember seeing some pictures somewhere showing the BMS but i cant seem to find them..

Edit:
Link confirming a user they contain the 4590.



Edited by Teunos - 01 April 2017 at 6:32pm
Best regards,
Teun.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote _djk_ Quote  Post ReplyReply Direct Link To This Post Posted: 01 April 2017 at 9:04pm
"Mayb I'm doing something wrong hahha"

How narrow is that slot?

(quack, quack, frying-bacon-sounds, etc.)
djk
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Hvedstrup Quote  Post ReplyReply Direct Link To This Post Posted: 01 April 2017 at 9:35pm
Originally posted by matty w matty w wrote:

I'd really like to hear this speaker , do you know what would run out of steam first , the 12" section or the bms comp ??
The 12" drivers .. Does anyone know what driver they are based on ? Be intersting to know what kinda 12" they've mated up with the big horn !

450hz to 8k you say .. That's like 4 octaves ... That's a huge stretch for a 2" exit compression driver or any driver tbf ...

Can imagine that harmonic distortion figures are a weak point of this speaker ??


Getting 8 kHz range to sound rite on such a big horn isn't ideal especially when it's being generated by a big 2"exit compression driver diaphragm !
Plus the drivers are being pushed to 450 which makes there higher range sound evan worse !

Heard nothing but good reports on these cabs , I'm intrigued to know more about there design !
I run community m200 2"exit comps on the huge jbl 2360 horns and I cross at like 600 hz , can't get em to sound optimal going any lower .. Mayb I'm doing something wrong hahha

Tbh i don't really understand the physics behind theese boxes. They use some pretty entensive EQ to mess with phase and response like -15db at 1.4 khz with a Q of  5.

Looking at available plots and data they are very liniar and they sound really really good in a subjective listening test. 

The 12" section runs out of steam before the horn. Some users use additional 2x12" boxes to et the full grunt out of the system.   
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Post Options Post Options   Thanks (0) Thanks(0)   Quote matty w Quote  Post ReplyReply Direct Link To This Post Posted: 02 April 2017 at 3:21am
Yeah had a feeling it would be the 12's , anyone know which 12" driver there loosely based on .. What wattage is the cab and what's there minus 10 db frequency on the low end ? I'm thinking they've probably gone for a bit of an inbetweener , not really a mid but not a sub !
That's the trouble with big horns , u probably need 4 12's to match efficiency but then there's a fairly large distance from the lower positioned 12 and the comps axis !
Could use four tens which would bring them closer together and just except that it isn't gonna go very low !

@ djk have you actually heard the m200 on the 2360 , I presume u have as I seem to remember you stating you once used to sell people the m200 to swap out there jbl comps !
Anyhow , the m200 is actually a much nicer compliment to the 2360 !
The m200's somewhat smooth relaxed sound balances out the big efficient dynamics of the 2360 horns and Iv allwAys thought that they need a really high q attenuation around 2.4 ish .. Seems to be coming from the horn !!
I did consider the idea of inserting a ring of sound absorption on the inside of the slot from top to bottom at the point that the throats width correlates to the problem frequency but havnt got round to trying it yet !

Anyway sorry went a bit off topic there lol
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Teunos Quote  Post ReplyReply Direct Link To This Post Posted: 02 April 2017 at 9:25am
Originally posted by matty w matty w wrote:

Yeah had a feeling it would be the 12's , anyone know which 12" driver there loosely based on .. What wattage is the cab and what's there minus 10 db frequency on the low end ? I'm thinking they've probably gone for a bit of an inbetweener , not really a mid but not a sub !
That's the trouble with big horns , u probably need 4 12's to match efficiency but then there's a fairly large distance from the lower positioned 12 and the comps axis !
Could use four tens which would bring them closer together and just except that it isn't gonna go very low !

@ djk have you actually heard the m200 on the 2360 , I presume u have as I seem to remember you stating you once used to sell people the m200 to swap out there jbl comps !
Anyhow , the m200 is actually a much nicer compliment to the 2360 !
The m200's somewhat smooth relaxed sound balances out the big efficient dynamics of the 2360 horns and Iv allwAys thought that they need a really high q attenuation around 2.4 ish .. Seems to be coming from the horn !!
I did consider the idea of inserting a ring of sound absorption on the inside of the slot from top to bottom at the point that the throats width correlates to the problem frequency but havnt got round to trying it yet !

Anyway sorry went a bit off topic there lol

But nowadays we have FIR crossovers that can do extremely steep phase coherent crossover. Jumping from 12" to a big horn auddenly is not a problem anymore at that point since there is a near perfect seperarion of source material across the two sources. That way you will never get any kind of lobing in the vertical plane.

Whether or not you want extremely steep crossovers when the two different sources are physically large and the source material is a whole different discussion, but in my two years of experience dealing with mainly FIR on my main pa, i would definitely pick extremely steep phase coherent without vertical lobing over shallow crossovers and overlap between sources.
Just my 2p.
Best regards,
Teun.

,,Diamonds are forever''
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Post Options Post Options   Thanks (0) Thanks(0)   Quote _djk_ Quote  Post ReplyReply Direct Link To This Post Posted: 02 April 2017 at 9:48pm
Most of the M200 I sold ended up on the 2350 horn, which does not have the narrow slot.

It kind of depends on how loud you need it to play (before it quacks).
djk
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