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Old 22nd February 2002, 01:50 PM   #1
stani772577
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Default intro

Hello from Ozeland

My name is Stan and I am heavy into all things analogue - turntables, loudspeakers ( especially small, monitor type, time aligned, 1st order x-over, etc.), tubes (or valves depending on your religion), single ended amps (Pass labs style) and good red wine. It's great to be part of this worldwide DIY community.

Regards

Stan
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Old 22nd February 2002, 03:09 PM   #2
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Join Date: Feb 2002
Location: indonesia
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Smile audio and tubes

My name pier

and i like audio specially tubes
i do design tubes amps, and i still wondering how to make my tubes amps sound better and much better

since now tubes single end is still the best in my ear bud
i would love to hear a comment, disscussion, tips and trick
on amps design specially tubes to make them sound for the best

it's nice to join this DIY audio forum
thank you everybody

best regard
pier
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Old 27th February 2002, 12:00 AM   #3
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Join Date: Feb 2002
Location: England, cambridge
Hi there pier, what sort of speakers you runnin' off your amps
just wondering, my experience with friends has told me a lot about how i design the speakers and enclosers as well as the amp its self....

Whats the power and TDH rating on your amps?
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Old 27th February 2002, 12:20 AM   #4
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Default amps or speaker

lemondog:

hai too
i am using single end 2a3 6b4g directheat tubes as the power amplifier, and using an oval speaker from old telefunken radio

and based on my experience a lightweight speaker cone is more suitable to my taste.

so, tell me about your amps








tubes and tubes
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Old 27th February 2002, 12:31 AM   #5
diyAudio Member
 
Join Date: Feb 2002
Location: England, cambridge
Im a bit of a power mad person myself, im desinging a 1.6Kwatt power amp its basicaly two amps that run in bridge op each amp using 16 'push-pull' transistors and can drive loads down to 2 ohms. (IRFP240)

My past accomplishments (spelling soz ) is a 400 watt amp that can pack a punch..... altho my real joy is building the speaker that go with them thats where my money comes from... eminence speakers rule! im using 2 kilomax pro-18's as the bass drives and i like to use active Xovers (better Fq response IMHO)
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Old 27th February 2002, 12:34 AM   #6
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Join Date: Feb 2002
Location: England, cambridge
My main o/p stage uses HEXFET power mosfets forgot to say
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Old 27th February 2002, 01:36 AM   #7
dice45 is offline dice45  Germany
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Join Date: Jan 2002
Location: Munich, Bavaria
Default Re: amps or speaker

Hello Pier and Stan,



welcome, like your taste



Stan,

could be that analog and TT-related stuff is growing on this forum and we soon get an own board for that



Quote:
Originally posted by p31r

i am using single end 2a3 6b4g directheat tubes as the power amplifier, and using an oval speaker from old telefunken radio





and based on my experience a lightweight speaker cone is more suitable to my taste.


Pier,

this sounds like a serious music hedonist's rig , agree with lightweight cone speakers although i downgraded from a Lowther PM6A (6gr) to a Fertin FLB20EX (18gr) recently. Curretly i am trying out how an Altec 414-8C sounds when its sond is not spoilt by any enclosure can tell you it sounds just gorgeous. If combined with e.g. a diatone speaker and a 1st order XO, this could make a wonderful 2way open baffle speaker.



Do yo use the Telefunken speaker in an open baffle? So it originally was used, i do not remember having seen any Grandma radio being near to having an "enclosure" as we know it today; all of them had perforated backwalls.

Probably best to use it in the original housing.
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Bernhard
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Old 27th February 2002, 09:55 AM   #8
stani772577
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Hello everyone

Thank you all for your replies.
In the meantime I am quite busy executing a phono pre-amp design by Stefano Peruginni - this is a tube pre-amp using a 24 volt battery PSU - an astonishing effort in regard to vacuum tubes. If you are interested have a look at:

http://digilander.iol.it/paeng/projects_frame.htm
or
http://digilander.iol.it/paeng/pae.htm

Regards

Stan(i)
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Old 27th February 2002, 05:12 PM   #9
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Join Date: Jul 2001
Location: The Netherlands
Hi stani772577... welkom at this great website..
.. just a note to let you know that I was totally into red wine before I started doing DIY audio...
espesially.. Bordeaux... my greatest bottles are a 1964 Ch. (Cru Classe)
1985 Ch. Palmer (2e Gru)
1975 Ch. Belgrave (?e cru)
1990 Ch. Chevalle(?) Cru Classe A St. Emmilion !!!
I have tasted over 20 Medoc Cru Classés and about 25 St. Emmilion Cru Classés.. I went on hlliday to the Bourgundy.. Tasted 34 wines.. . still enjoy a good bottle in the weekend. :-) .. If you gat any recommandations... please let me know..

many greetings from Thijs
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Old 27th February 2002, 08:33 PM   #10
dice45 is offline dice45  Germany
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Join Date: Jan 2002
Location: Munich, Bavaria
Default Bordeaux wines and malt whiskies

hello Stan and Thijs

Quote:
[i]Originally posted by tschrama [/i.. just a note to let you know that I was totally into red wine before I started
doing DIY audio... espesially.. Bordeaux... my greatest bottles are a 1964 Ch. (Cru Classe)
1985 Ch. Palmer (2e Gru)
1975 Ch. Belgrave (?e cru)
1990 Ch. Chevalle(?) Cru Classe A St. Emmilion !!!
I have tasted over 20 Medoc Cru Classés and about 25 St. Emmilion Cru Classés..
I went on hlliday to the Bourgundy.. Tasted 34 wines.. . still enjoy a good
bottle in the weekend. :-) .. If you gat any recommandations... please let me
know..
looks like you folks mean business with great Bordeaux! I wish i had your
experience, Thijs. Anyway, any recommendations welcome!

Having lost a dear friend to King Alcohol addiction and having several dear relatives and buddies struggling with alcohol, i rarely drink. I made it an almost iron rule for myself to only drink alcohol when i have company or when i am thoroughly happy, both not happening very often. And to ruthlessly and thoroughly substitute quantity by quality, another iron rule.

If i would drink a bootle of Bordeaux alone, i'd be totally stoned, no training, so for Bordeaux i need company . Unfortunately my buddies always
want to try out one of my single malts, so, sorry, no Bordeaux this time.

But i also tried out some nice bottles, most of them not very old, but a Chateau Margaux and a Fijac was among them. Not bad at all . But the biggest grenade was a 1983 Chateau Meyney from Saint Estephe which had no sign of any Cru on its label. The bottle was a gift from a friend who was very surprised that no pedigree was on that label; earlier and later Meyneys had some smaller Grand Cru printed on. Anyway, I stored the bottle for 17 years, it survived several moves and August 2000 opened it. No, it was not sour, it was a great wine, the greatest i have tried out so far.
I also tried some very nice St.Emilions, in fact this is my preferred region. I was treated with fancy $$ South African and Californian wines, sorry, not my taste, too spectacular. I agree each of them had outstanding properties, but each of them also had outstanding flaws. I prefer Bordeaux, they are balanced, and below US$40 a bottle, i do not even feel cheated, i feel i get an appropriate return for my money. I never was disappointed with a Bordeaux, whatever Cru it was.

Not so with malt whiskies, some taste like medicine, phew !! . But i have my preferences, the 16 year old Lagavulin is hard to beat, outstanding and at its price of US$30, it is unbeatable. It has a mild peat note and is very complex yet totally balanced. This whisky is not a spectacular stunner, it is subtle and for the conaisseur.

Then, the complete opposite, a 10 year old Longrow. Rare, expensive. Giving the term "spectacular" a new meaning. Hefty peat note, it literally explodes in the mouth. Having 46% of alcohol.

It's non-peat brother is the Springbanks which i tried in several agings, from 16 to 26 years. No peat note but as hefty as the Longrow. Same alcohol.

A wonderful balanced whisky is the Macallan; it is stored in sherry casks and so it has a stong sherry touch. I tried it out from aging 12 to 25, always was happy with it. I would dare to offer it to a lady new to whisky. But we know that Macallan from James Bond, isn't it?

If i am in the local booze with friends and the menu has no Macallan but has a Glenlivet, i am happy, almost as good and also no peat note. But no sherry note either. Just a straight stuff, i would consider the Glenlivet as mainstream.
Single Malt Whisky is considered to be expensive taste. But if i compare the quality of those mentioned above to adequate Congacs and Armagnacs, i arrive at atleast 4 times the price for the brandy. I found me complaining about a slight soapy note in a $250 Cognac. I stick with whisky. If i would have to settle on one of them and price is not an issue, I probably would choose a 21 or 26 year old Springbanks.

I recommend trying those whiskies warm and in a tasting glass with lid, not in a tumbler and certainly not with ice or water.

There exist so-called cask-strength whiskies, having alcohol of more than 56%. These have to be care fully mixed with soft water.
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Bernhard
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