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speedysteve 25th September 2008 12:04 PM

Looking to re-house Tannoy 10" DC and 10" woofers in to other cabinets
My first post here...
I'm thinking about rehousing a set of Tannoy Dorset driver pairs (10" DC and 10" woofer) into a DIY cabinet.
I like the Tannoy D700 format but have not been able to find any info on how they are constructed / internally baffled etc.
The D700's have twin ports in the rear and weigh in at 45kg's each.
They are made of 0.75" thick MDF apparently.

I find the Dorsets do mid and upper mid very well. I like the relaxed sound and when you turn them up there is a reasonable bass slam without them sounding harsh.
Interesting they sound much better on older recordings - I guess they were made for this...

I've read an old thread on here about a DC driver DIY and that was interesting.

Are there any 2 driver floorstander designs out there that would it the bill?
I've been through the pages of the Tannoy DIY site - Nothing on dual drivers there really.

So any pointers or anyone done a D700 DIY already - I'd love to hear from you.

Face 26th September 2008 02:14 AM

IMO, the plastic drivers are thin on bass. My S8's which are a 2.5 way system with 2 8" drivers doesn't come close to my HPD-385's(single 15").

If you're a fan of the tulip style tweeter, look for some 15" DMT's.

speedysteve 26th September 2008 08:44 AM

The Dorsets, I have found out are a single dual cone 10" and passive radiator. The bass is not bad and quite subtle and accurate.

I am going to listen to a pair of 15" MkII Berkeleys soon to see the difference.

There are some interesting tech drawings for Chieviots that are 12" and similar 65 odd lts with a bass port. I might try something like that for fun.

Brett 26th September 2008 08:11 PM

Some possibly helpful info.

speedysteve 27th September 2008 04:23 PM

Listen to a pair - hoho. You listen and just get your cheque book out.
They were fab.
I now have some 15"'er Berkeleys in the living room:smash: :smash: :smash:
Actually they are nicely ordered, detailed and deep...

I did have to do some tube rolling. The Kenrad 6SN7's I had in as Splitters and drivers were too bassy:)

You can see my gear here...

Here for more info on the amp etc...

At last the sort of coordinated sound and bass I am looking for at reasonable listening volumes...

The Dorsets will go to my work room for now.

I will be looking att 15" DIY cabinets but like them the way they are for now...

Face 27th September 2008 04:30 PM


Which drivers are in the Berks?

I made a new pair of cabs based off the Ardens I also own. They're 3/4" MDF(1.25" face) with much better bracing. I also made them a few inches deeper for more displacement(200 litres) and use Parts Express's Sonic Barrier for lining.

speedysteve 27th September 2008 04:44 PM

Drivers are 3828's.
I will need foam surrounds as some point but that is DIY for me...

Do you have the plans for those?

Face 27th September 2008 04:53 PM

I can look around the basement to see if I still have the cut sheet.

As for some info on your drivers, read the second question down:

speedysteve 27th September 2008 09:03 PM

Hmm - gotta feeling they would say that...
I would intend to do them before there's any damage to the coils - new cones are of course an option.

KJ2005 28th September 2008 04:44 PM

Off the thread
Hi S.Steve,

First I would try to make a double- camber , double bass-reflex, for the two drivers if you have BL, cms, rms and other realated speaker data. The tune up requires some equipment, but you will get a feeling of whether you are going in the right direction by a computer calculated speakerbox. If the bass responce seems too much, one could try with a (low) high-pass filter/crossover. I have calculated a lot of speakerboxes for JBL, 2213H,128H and 2203A with luck by software from CAAD3,0 Monacor.

Secondly I would like to ask you, as where you live in GB, if you know where it is possible to buy a TVA-1 from Michelson & Austin? I need this approx. 70 Watt tubeamp for my "new" AR3a. What do you think the price would be? - and where can possible find the amplifier?

Look at:

Best regards
Kim Jul Hansen

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