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Search: Posts Made By: Colin Wonfor
Forum: The Coffee Bar 11th August 2015, 09:48 AM
Replies: 45
Views: 16,392
Posted By Colin Wonfor
Re: Colin Wonfor

http://www.audiochews.com/discussion/1506/colin-s-new-seca-amp-kits#late

Is this better??:confused:
Forum: Amplifiers 16th June 2015, 12:05 AM
Replies: 4
Views: 2,789
Posted By Colin Wonfor
Re: SECA Kit circuits and PCB layout

Dear Greg, Thanks for the heads up all deleted no offence intended.

Best Col
Forum: Amplifiers 15th June 2015, 08:06 PM
Replies: 4
Views: 2,789
Posted By Colin Wonfor
Re: SECA Kit circuits and PCB layout

Some earlier SECA design I made for TOCA.
http://i1148.photobucket.com/albums/o580/colinwonfor1/FAMILY%20OF%20A%20CLASS_zpse5swbrv5.jpg
Forum: Amplifiers 15th June 2015, 07:53 PM
Replies: 4
Views: 2,789
Posted By Colin Wonfor
SECA Kit circuits and PCB layout

Firstly I have already posted this so please explain to me where did I lose it?? :confused:
Simple ON/OFF switch circuit used in PC case from Maplin at 39.00
...
Forum: Amplifiers 29th May 2015, 07:52 PM
Replies: 6
Views: 3,044
Posted By Colin Wonfor
Re: Hi-fi Answer Interviews Colin Wonfor

Hi Adrian, I do recall that day, crickey that was a few years ago, have you still got it?

Here is a novice making a my SECA design on Hi-fi Answers:-
Sam Solders....
Forum: General 13th May 2015, 06:37 PM
Replies: 0
Views: 1,178
Posted By Colin Wonfor
Munich High End Hifi Show

This year I will not be going, if you can anybody take photos please could you post them. Thank You. Best Col
Forum: The Coffee Bar 11th May 2015, 06:08 PM
Replies: 45
Views: 16,392
Posted By Colin Wonfor
Re: Colin Wonfor

S.E.C.A. Amp Kits :-
Main A Class PCB Mono 20.00 each
Power Supply to make super A Class Mono 20.00each
You will need two Main PCB to make stereo
And two Power Supply PCB to make dual Mono.
...
Forum: Amplifiers 8th May 2015, 10:24 PM
Replies: 6
Views: 3,044
Posted By Colin Wonfor
Re: Hi-fi Answer Interviews Colin Wonfor

SECA Part 2 is now on Answers.


www.hifianswers.com/
Forum: Amplifiers 5th May 2015, 12:00 PM
Replies: 6
Views: 3,044
Posted By Colin Wonfor
Re: Hi-fi Answer Interviews Colin Wonfor

S.E.C.A. Amp Kits :-
Main A Class PCB Mono 20.00 each
Power Supply to make super A Class Mono 20.00each
You will need two Main PCB to make stereo
And two Power Supply PCB to make dual Mono.
...
Forum: Amplifiers 5th May 2015, 07:26 AM
Replies: 6
Views: 3,044
Posted By Colin Wonfor
Re: Hi-fi Answer Interviews Colin Wonfor

Thanks Greg, well at least you like one of my odd designs he he :)

I have just completed a design concept for a valve/tube Bass amp for Guitar, I will post circuit up and maybe Answer will allow...
Forum: Amplifiers 4th May 2015, 10:19 PM
Replies: 6
Views: 3,044
Posted By Colin Wonfor
Hi-fi Answer Interviews Colin Wonfor

I am will be making available soon SECA PCB kits.

Please read and comment, oh it is a KISS Design no Techy Stuff.
...
Forum: DIY Pictures 9th July 2014, 05:12 PM
Replies: 1
Views: 3,046
Posted By Colin Wonfor
SECA built by Alan Brown from a Design in EW

https://lh5.googleusercontent.com/AWGT0yrl7mKMqp6mXYp6CmlMeDgwCWOnt-24xpF7EgA=w958-h638-no
...
Forum: Music 9th July 2014, 05:05 PM
Replies: 101
Views: 18,957
Posted By Colin Wonfor
Re: first Record you bought (could be Embarising)

T.Rex Hot Love, before that it was 78RPM from my great aunt Vi.
Forum: The Coffee Bar 9th July 2014, 05:03 PM
Replies: 1
Views: 1,645
Posted By Colin Wonfor
Re: PCB CAD Help

Colin try this one.

http://www.labcenter.com/download/prodemo_autodl_general.cfm
Forum: The Coffee Bar 18th November 2012, 12:20 PM
Replies: 45
Views: 16,392
Posted By Colin Wonfor
Re: Colin Wonfor

For the critic out there.
Read this I enjoyed the beginning reminded me of Mr. Clarkson.:thumbsup:
http://hifipig.com/rod-alexander-gets-sceptical-about-the-tellurium-q-effect/

have fun.

Best...
Forum: General 13th May 2012, 02:54 PM
Replies: 214
Views: 54,121
Posted By Colin Wonfor
Re: Fuses!

I discovered a long time ago if you cover OP Amps with Araldite so the smoke can't escape they work longer. I wonder if it will work for FET,s?
So do escaping electrons turn to smoke is the...
Forum: The Coffee Bar 11th May 2012, 08:15 PM
Replies: 13
Views: 2,141
Posted By Colin Wonfor
Re: Anyone having log-in problem's

It not just this site, Audio Chew and Pinkfish etc all are having problem this end.
Forum: The Coffee Bar 13th November 2011, 10:01 AM
Replies: 45
Views: 16,392
Posted By Colin Wonfor
Re: Colin Wonfor

http://www.hifilive.es/2011/11/10/tellirium-q-green-ultra-black-y-digital-black/

Now Spain :thumbsup:
Forum: News 6th November 2011, 07:41 AM
Replies: 7
Views: 6,531
Posted By Colin Wonfor
Re: HKDA Global Design Awards 2011

What a load of rubbish, site was useless.
Forum: The Coffee Bar 15th October 2011, 08:06 PM
Replies: 45
Views: 16,392
Posted By Colin Wonfor
Re: Good bye

And with that he said good bye
Forum: The Coffee Bar 15th October 2011, 07:53 PM
Replies: 45
Views: 16,392
Posted By Colin Wonfor
Re: Colin Wonfor

You never guess in 58yrs I have never heard that before :( try a new thought be creative.
Forum: The Coffee Bar 11th October 2011, 09:57 PM
Replies: 45
Views: 16,392
Posted By Colin Wonfor
Re: Colin Wonfor

Try these:-
http://sound.westhost.com/index2.html
http://www.high-voltage-lab.com/browse/power
http://www.acoustica.org.uk/t/naim/powersupplies.html
http://www.one-electron.com/FC_Consumer.html...
Forum: The Coffee Bar 11th October 2011, 06:10 PM
Replies: 45
Views: 16,392
Posted By Colin Wonfor
Re: Colin Wonfor

Some good old stuff on www.archive.org and here http://thetubeclinic.unblog.fr/ and here http://www.vintage-radio.info/heathkit/
I have lots if you want them best col, oh my Granddad went and left...
Forum: The Coffee Bar 11th October 2011, 02:05 PM
Replies: 45
Views: 16,392
Posted By Colin Wonfor
Re: Colin Wonfor

Dyslexia: that the word, I often spell it with a "z" so I give up.
I have managed to write a few thing for Wireless World and a few very long papers on noise and a few patents, what a nightmare. If...
Forum: The Coffee Bar 11th October 2011, 10:47 AM
Replies: 45
Views: 16,392
Posted By Colin Wonfor
Re: Colin Wonfor

The only Valve amps I made are now longer with us, the first two are under Southend Pier feeding the fishes.
My Granddad taught me valves with mains energized loud speakers, then Dad taught me...
Showing results 1 to 25 of 29

 
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