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Old 8th November 2012, 01:01 AM   #31
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Quote:
Originally Posted by turk 182 View Post
i wish i knew how do that quote thingy. i've looked through the frequently ask questions to see if i could learn how to do that
can anyone help me with that?
Just click on "quote" and it will do it automatically.

You can then edit the text in quotes if you like.
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Old 8th November 2012, 01:26 AM   #32
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many thanks nigel !
i am a two fingered typist in a strange land
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Old 10th November 2012, 05:58 AM   #33
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Default amplifier testing

AndrewT,
So what you are saying is not to connect the variac and lamp tester in series with the amplifier and not to increase the AC voltage gradually ? I must just use the lamp tester starting with a 40W bulb and change it to 60 and then 100W when they don't light up brightly ? What about 100 Ohm 5W resistors in the place of the rail fuses at the same time with a DMM to monitor the current being drawn ? Should any load be connected on the speaker outputs ? If so, what would a safe idle current reading be if a load of 4/8 Ohm was connected. My power supply is (400VA) 54-0-54 V DC linear. Sorry for all the questions, I'm just trying to figure out the best and safest way to do it. I'm using lateral 2sj162/2sk1058 output devices and they do not come cheap !

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Jan
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Old 11th November 2012, 07:39 AM   #34
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AndrewT,
This is my first project from the bottom up and we all need advice. Everyone makes mistakes sometime. People who does nothing makes no mistakes. I'm so sorry that I wasted your precious time , plse do not reply or act on any of the posts that I might post in the future on this forum.I'm sure there are plenty of other people who are willing to help.Life is too short to live with bitterness and regrets.Sometimes its better to say nothing than to degrade people.
Thanks for the superb advice and you should have a great day too.

Cheers
Jan
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Old 11th November 2012, 01:31 PM   #35
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Unhelpful and snide comments have earned AndrewT a weeks vacation.
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Old 11th November 2012, 01:44 PM   #36
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Really sorry about this, I was wrong as well, sorry Andrew, I was stupid to jump on my horse. Moderators plse do not ban Andrew.
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Jan
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Old 12th November 2012, 04:08 AM   #37
6L6 is offline 6L6  United States
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Quote:
Originally Posted by Vrystaat View Post
I was stupid to jump on my horse.
You most certainly, most unequivocally were not stupid to be offended by a bully. Your response was very level headed and appropriate.
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Old 12th November 2012, 07:10 AM   #38
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Default Guess the Name

I have read this thread w/ some interest. This instrument has a name and not one person has named it properly. It has been around for at least 70 years. There were commercial produced units with embellishments before the WW II . It's called a Dim Bulb Tester. If one were to Google that name you would be reading for the next week or more.
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Old 17th July 2014, 10:49 PM   #39
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I have noticed that 'light bulb tester' has come up several times this month.
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Old 18th July 2014, 08:38 AM   #40
DF96 is offline DF96  England
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Also known as a lamp limiter.

I have never heard it called a Dim Bulb Tester, not in the UK anyway. Not a good name, as the bulb might not be dim!
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