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activexp
31-01-2011, 17:08
I was so impressed by the TB W4-657D 4" full range driver in a double bass reflex enclosure that I've put together a complete kit, the DBR-100
http://sites.google.com/site/stevesstuffproject/_/rsrc/1290445568844/Home/kitbits3.jpg?height=314&width=400

The kit contains all the parts required to make a pair including 14 CNC machined 18mm MDF panels with slots and rebates for easy and accurate assembly.
http://sites.google.com/site/stevesstuffproject/_/rsrc/1290432926481/dbr100kit/fig7.jpg?height=400&width=206

Specifications:

Dimensions (mm): 608H x 235W x 255D.

Weight (each): 8.5 Kilo.

Cabinet material: 18mm MDF.

Volume: Upper chamber 7.5L, Lower chamber 16.7L.

Impedance: 8 ohms. Sensitivity: 87dB.

Driver: Tang Band W4-657D with aluminium cone and phase plug

Recommended amplification: 20 - 60W per channel (RMS 8 ohms)

Full details on my site here:
http://sites.google.com/site/stevesstuffproject/dbr100kit

Marco
31-01-2011, 17:12
Hi Steve,

You'll need to open a trade account to post in this area of the forum. What's your company/business called? :)

Marco.

activexp
31-01-2011, 17:33
Ah :rolleyes: I don't have a company or a business as such, I'm just a keen DIYer that's put together a kit. The success or not of these kits will determine if it's worthwhile for me to set up a business with a trading name.

Chicken and egg situation really.

Marco
31-01-2011, 17:37
Lol - well, you're selling stuff, so that makes you trade :)

For the time being I'll just put you down as 'Steve's Stuff' :cool:

What was your old dealership called?

Marco.

activexp
31-01-2011, 17:50
Thanks Marco

"Steve's Stuff" sounds good! :lolsign: Anyway, I've been thinking about this and reckon "Ashgate Audio" is a strong contender :)

Cheers,
Steve

Marco
31-01-2011, 20:24
Go for it, mate - so what was the name of your old dealership? :)

Marco.

activexp
31-01-2011, 20:50
Go for it, mate - so what was the name of your old dealership? :)

Marco.

Started off as a sole trader trading as 'Omicron Electronics', sometimes known as 'Oh my god electronics'! :lol: That was 1968.
When the business expanded I formed a limited company and changed the name to 'Micron Audio Ltd'. You'll find more on my site.

Cheers,
Steve

Marco
31-01-2011, 21:42
Cheers, I've just had a look. What lovely old 'proper' hi-fi shops you had! :respect:

I bet you must've seen/used some amazing (now vintage) gear in your time :)

Love the pics from the old shows! Unfortunately, the golden age of hi-fi has long since gone....

Marco.

electric beach
31-01-2011, 21:57
Thanks Marco

"Steve's Stuff" sounds good! :lolsign: Anyway, I've been thinking about this and reckon "Ashgate Audio" is a strong contender :)

Cheers,
Steve


Steve's Stuff sounds better ;)

SteveW
01-02-2011, 08:37
Hi Steve,
Welcome to AOS.
Just reading your 'ramblings' over on your web- page. Wonderful.

HighFidelityGuy
01-02-2011, 10:45
Best of luck with the business Steve! BTW, that seems like a good price for the kit considering all the wood work and design time at your end. Nice one! :)

I'm really tempted to try some simple full range single driver speakers like this but my wife would kill me if I bought more speakers. I need a bigger house first. :lol:

activexp
01-02-2011, 10:49
Steve's Stuff sounds better ;)

Do you think? Ashgate Audio has certain ring to it and sounds a bit more 'professional' ;)

activexp
01-02-2011, 11:14
Best of luck with the business Steve! BTW, that seems like a good price for the kit considering all the wood work and design time at your end. Nice one! :)

I'm really tempted to try some simple full range single driver speakers like this but my wife would kill me if I bought more speakers. I need a bigger house first. :lol:


Thanks for your good wishes :) Finding someone to machine the cabinets at a reasonable price for a small run gave me quite a headache I can tell you!

I'm in the same boat with 'she who knows best' regarding a house full of speakers but she's quite tolerant and supportive of the DBR-100. She actually prefers them sound-wise to some of my more elaborate efforts. WAF is high ;)

Alex_UK
01-02-2011, 12:41
Do you think? Ashgate Audio has certain ring to it and sounds a bit more 'professional' ;)

+1 for Ashgate Audio - sounds much more businesslike.

activexp
15-02-2011, 16:13
I'm now offering my kit with a driverless option so that the buyer can use drivers of their own choosing.
Price: £175 + £13.75 delivery.

Also I've adjusted the price of the full kit: £249 + £16.95 delivery.

Unfortunately the MDF is too heavy to export as the shipping charges are horrendous :(

Cheers,
Steve

Zoidburg
16-02-2011, 11:38
I agree Ashgate Audio sounds far better.

Nice looking speaker, i fancy doing a little speaker project in the future and this would be perfect. Good luck with the business.

RochaCullen
16-02-2011, 13:57
I've never before seen a web page with that many serious sets of side-burns!!!

activexp
16-02-2011, 15:02
I agree Ashgate Audio sounds far better.

Nice looking speaker, i fancy doing a little speaker project in the future and this would be perfect. Good luck with the business.

Thanks for your good wishes Zoidburg :)

activexp
16-02-2011, 15:03
I've never before seen a web page with that many serious sets of side-burns!!!

:lolsign:

activexp
08-03-2011, 15:01
If anyone is interested in the CNC machined cabinets without the drivers and hardware I can do them for £140 per pair plus £9 delivery.

Cheers,
Steve

MartinT
08-03-2011, 15:35
Very nice website, Steve, what a good read! I liked your IPL speaker article, I still have a set of S5TLs with the cabinets made and veneeered by my father and the rest built by me. They did and still do sound very good.

What a throwback those show photos are with stacks of speakers everywhere :)

The Vinyl Adventure
08-03-2011, 17:50
Ever thought about doing a kit for a small boxed cheap full range driver?

I'm crap with woodwork and what not but have been looking about for somthing cheap and thought this looked interesting

http://www.vikash.info/audio/W3-871S/index.asp

I got looking for stuff like that after seeing the review on here for these

http://www.aloaudio.com/store/index.php?main_page=product_info&cPath=1_3&products_id=428

Dunno I these is a market for such a thing mind ... But I'll be bugered if I can find a kit for a single driver bookshelf speaker anywhere on line!

activexp
17-03-2011, 12:17
Hi Hamish, sorry for late reply, e-mail notification doesn't appear to be working :(

At some point I might offer a small bookshelf kit but don't hold your breath! I really need to sell some DBR-100's first.

The only complete small speaker kit I've seen is the LS3/5A from Falcon Acoustics.

http://www.falconacoustics.co.uk/ls3-5a/ls3-5a-cabinet-kit.html

You can buy the cabinet kit on its own and modify the baffle for a single full range driver. A 4" TB or similar will probably fit in the existing hole for a B110 and the tweeter hole blocked off.

Just a thought.

Cheers,
Steve

activexp
24-03-2011, 17:29
Well I've finally mastered ARTA, well sort of anyway, and by popular request I've done some FR plots of the DBR-100.

https://sites.google.com/site/stevesstuffproject/_/rsrc/1300811669264/Home/dbr100_mls2.jpg?height=235&width=400

Due to testing limitations, response below 200Hz is not an actual representation. The scaling is 5dB per division and shows that the speaker is reasonably flat from 200 - 20000Hz, possibly within 3dB. Below 200Hz I can only go by what my ears tell me. Bass is not lacking.

Cheers,
Steve

Salty
29-03-2011, 20:12
Steve's stuff is a great name. Steve, really enjoyed looking through your website, great pictures and enjoyable stories. Your an old don of hifi!

Ta
Joe

activexp
30-03-2011, 09:43
Thanks Joe. Well that's a first, I've never been called an old don before :lolsign: