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-   -   Guitar Preamp = MIC Preamp = other preamp ,,are they all same? (http://www.diyaudio.com/forums/solid-state/119275-guitar-preamp-mic-preamp-other-preamp-they-all-same.html)

Paswa 12th March 2008 07:53 AM

Guitar Preamp = MIC Preamp = other preamp ,,are they all same?
 
Hi,

Once I made a Condenser Microphone preamp using two BC549 transistor. Now I've built a preamp with LM358. It sound is neither too good nor too bad.

I saw many people to make preamp using LM741 and TL072.

Now my question is

1> my primary aim to connect the preamp with a acoustic guitar pickup. I want very good audio quality. And I'll also buy a good pickup. Which preamp circuit will I use?

2> the duty of preamp is to amplify the gain. So in this term, guitar preamp, tape head preamp, microphone preamp all they are same. is it right??

3>Will I need any special preamp for guitar pick up

T h a n k Y o u
T H E O

myhrrhleine 12th March 2008 05:16 PM

Re: Guitar Preamp = MIC Preamp = other preamp ,,are they all same?
 
Quote:

Originally posted by Paswa
Hi,

Once I made a Condenser Microphone preamp using two BC549 transistor. Now I've built a preamp with LM358. It sound is neither too good nor too bad.

I saw many people to make preamp using LM741 and TL072.

Now my question is

1> my primary aim to connect the preamp with a acoustic guitar pickup. I want very good audio quality. And I'll also buy a good pickup. Which preamp circuit will I use?

2> the duty of preamp is to amplify the gain. So in this term, guitar preamp, tape head preamp, microphone preamp all they are same. is it right??

3>Will I need any special preamp for guitar pick up

T h a n k Y o u
T H E O


Hi.
The preamps are similar, but not exactly the same because of noise issues, filtering, and other needs.

Modern op-amps, such as the OPA134 may be a better choice for you.
Even the older NE5534.


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