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DoZ mic preamp (ESP)
DoZ mic preamp (ESP)
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Old 26th August 2005, 07:24 PM   #1
Llafriel is offline Llafriel  Norway
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Question DoZ mic preamp (ESP)

Hi,

Quick question about the mic preamp found at Rod Elliots pages.
http://sound.westhost.com/project93.htm
Figure 6.
I'm ordering from reichelt. BC559 comes in 3 types. A, B and C. And BC549 has two flavours, A and B.
What is the difference and does it matter wich one I choose?
Most likely a silly question..

Thanks,
Llafriel
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Old 26th August 2005, 07:56 PM   #2
Alcaid is offline Alcaid  Norway
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Default Re: DoZ mic preamp (ESP)

Quote:
Originally posted by Llafriel
Hi,

Quick question about the mic preamp found at Rod Elliots pages.
http://sound.westhost.com/project93.htm
Figure 6.
I'm ordering from reichelt. BC559 comes in 3 types. A, B and C. And BC549 has two flavours, A and B.
What is the difference and does it matter wich one I choose?
Most likely a silly question..

Thanks,
Llafriel
The higher the letter, the lower the noise is. C is best.
But BC550C/BC560C would be better (I think).
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Old 26th August 2005, 08:04 PM   #3
Llafriel is offline Llafriel  Norway
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Thanks for the reply. I will go for the less noisy then.
You think BC550 would be a better choise? And are they interchangeable without any modifications to the circut?
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Old 26th August 2005, 08:09 PM   #4
Alcaid is offline Alcaid  Norway
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Yes, they are interchangeable.
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Old 26th August 2005, 08:29 PM   #5
Llafriel is offline Llafriel  Norway
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Ok.
Takker og bukker.
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Old 29th August 2005, 09:36 AM   #6
Samuel Jayaraj is offline Samuel Jayaraj  India
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Location: Bangalore, India
In this case, A types have lower gain and C type has the highest gain.
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