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 Post subject: Tannoy DC-100
PostPosted: Sun Aug 19, 2018 3:52 pm 
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Location: Calgary, AB, CA
Hey Canuck Audiomart,

Just picked up these Tannoy DC-100 Bookshelf speakers here in Calgary for $125. Seems like a good deal because paired with my Musical Paradise MP-301 they image and produce an organic sound that's got me hooked.

I didn't realize Tannoys sounded so good. These handle any genre of music I've thrown at them and they just sing. After getting ripped off a $1,000 from a EMT gone wrong on here I hadn't been listening to much music on my main system and was mostly enjoying my headphones and I just moved so I hadn't really had time to get my room setup and sounding good. All I did was plug these in and they just sound amazing.

I can really understand why some people would swear by dual concentric design as these are so cohesive and they just sound amazing.

I looked into the cabinet and I found the crossovers glued into place. I was hoping to hear what someone with more knowledge than me thought about updating the crossover.

-- 19 Aug 2018 23:52 --



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 Post subject: Re: Tannoy DC-100
PostPosted: Sun Aug 19, 2018 4:43 pm 
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Location: Anytown, ON, CA
Just change those electrolytics to poly (propolene , styrene or ester )of the same values and you will be good to go . Changing up the manufacturers can prevent them from to much undue influence . so if you needed 2 x 3.3uf's by x brand then if you needed 2 x 2.2uf's buy y brand and so on . Nice find by the way and welcome to the club of those who know !


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 Post subject: Re: Tannoy DC-100
PostPosted: Sun Aug 19, 2018 4:58 pm 
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Joined: Tue Oct 16, 2012 4:26 pm
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Location: London, ON, CA
What is an “organic” sound?


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 Post subject: Re: Tannoy DC-100
PostPosted: Sun Aug 19, 2018 5:24 pm 
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Location: Calgary, AB, CA
doctortube wrote:
Just change those electrolytics to poly (propolene , styrene or ester )of the same values and you will be good to go . Changing up the manufacturers can prevent them from to much undue influence . so if you needed 2 x 3.3uf's by x brand then if you needed 2 x 2.2uf's buy y brand and so on . Nice find by the way and welcome to the club of those who know !



Thanks for the response!

Could you help me with the values on the capacitors as shown in the photo. I haven't seen those values before.

Hopefully I will eventually buy some even nicer Tannoys but these are tickling my itch for now and I want to ensure that capacitors are 100% since the rest of the speakers really seem to be.

So far I read the following:
1 x 4.7 MFD - 50 VNP
1 x 2.2 MFD - 50 VNP
1 x 7 MFD - 50 VNP

I am not familiar with these values... uF are the usual values seen... although I am a novice.

-- 20 Aug 2018 01:25 --

sometimes you can answer your own questions via Google:

https://www.westfloridacomponents.com/b ... ame-as-uf/

-- 20 Aug 2018 01:29 --

Glen54 wrote:
What is an “organic” sound?


It sounds like the music is being preformed in the same room as you as being reproduced using speakers and electronics. The human voice sounds like a real human voice. Ect.


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 Post subject: Re: Tannoy DC-100
PostPosted: Sun Aug 19, 2018 5:45 pm 
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Posts: 102
Location: Anytown, ON, CA
https://qcomponents.ca/

https://solen.ca/

https://www.partsconnexion.com/

Try these


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 Post subject: Re: Tannoy DC-100
PostPosted: Sun Aug 19, 2018 5:56 pm 
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So my current hold up is that I need a value of 7.0 uF and nobody seems to make the value anymore. What would happen with a value of 6.8uF or a value of 8.0uf ?


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 Post subject: Re: Tannoy DC-100
PostPosted: Sun Aug 19, 2018 6:52 pm 
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Location: saskatoon, SK, CA
if the 7uf was 20% then a tighter tol. 6.8 be close enough.


imo ...

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 Post subject: Re: Tannoy DC-100
PostPosted: Mon Aug 20, 2018 5:56 am 
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Location: Anytown, ON, CA
The 7 uf can be made using a 6.8 and a .2 in parallel

When capacitors are connected in parallel, the total capacitance is the sum of the individual capacitors’ capacitances. If two or more capacitors are connected in parallel, the overall effect is that of a single equivalent capacitor having the sum total of the plate areas of the individual capacitors.

Image


Some say this config even sounds better than a single capacitor.This is not bypass but can have the same benefit .


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 Post subject: Re: Tannoy DC-100
PostPosted: Mon Aug 20, 2018 6:02 pm 
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Location: Calgary, AB, CA
doctortube wrote:
The 7 uf can be made using a 6.8 and a .2 in parallel

When capacitors are connected in parallel, the total capacitance is the sum of the individual capacitors’ capacitances. If two or more capacitors are connected in parallel, the overall effect is that of a single equivalent capacitor having the sum total of the plate areas of the individual capacitors.

Image


Some say this config even sounds better than a single capacitor.This is not bypass but can have the same benefit .



Thank you very much for your response!!!

I even found a place in the UK so I can replace the part for the same brand. Although I'm sure they're are better, but ultimately I just want to hear these speakers how they were made.

-Daniel.


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 Post subject: Re: Tannoy DC-100
PostPosted: Mon Aug 20, 2018 6:28 pm 
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Posts: 102
Location: Anytown, ON, CA
I would not use electrolytics like the original . The tolerance value is the extent to which the actual capacitance is allowed to vary from its nominal value and can range anywhere from -20% to +80%. Poly is usually much less variance and indisputably better sounding . Just because you can does not mean you should . Just my opinion from 50 year's + of speaker construction and deconstruction . If it were a musical instrument application were you want a specific character then yes , but as a reproducer no !


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 Post subject: Re: Tannoy DC-100
PostPosted: Mon Aug 20, 2018 7:11 pm 
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Location: Calgary, AB, CA
Okay.

I appreciate your suggestion.

What reasonably priced parts would you suggest. I'd pay ~$120-$150 on parts.


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 Post subject: Re: Tannoy DC-100
PostPosted: Mon Aug 20, 2018 7:31 pm 
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Location: Anytown, ON, CA
Count on $10 or less per capacitor . Bigger values cost more money so $60 plus shipping should do it . As there are 3 different values I would try to get 3 different manufacturers .The caps that the signal passes through to the driver are more influential than ones shunted to ground . Spend more on those .


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 Post subject: Re: Tannoy DC-100
PostPosted: Tue Aug 21, 2018 5:11 am 
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Location: Edmonton, AB, CA
Glen54 wrote:
What is an “organic” sound?


Something that "grows" on you. :lol:

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