API 312 Thread!

[clintrubber]

Do you like this

We do ! Where did you get those ? Own made ?

Bye,

Peter

 

[dukasound]

[quote author="clintrubber"]

Do you like this

We do ! Where did you get those ? Own made ?

Bye,

Peter[/quote]
Mine

 

[jeroddumas]

Duka, nice looking cards, I was going to make some from your pdf at the other thread, but they seem to big. Do I need to scale those down, or do you have some that are ready to go?

 

[jeroddumas]

Duka, nice looking cards, I was going to make some from your pdf at the other thread, but they seem to big. Do I need to scale those down, or do you have some that are ready to go?

 

[jeroddumas]

Duka, nice looking cards, I was going to make some from your pdf at the other thread, but they seem to big. Do I need to scale those down, or do you have some that are ready to go?

 

[Bauman]

WAY COOL! :thumb:

 

[dukasound]

[quote author="jeroddumas"]Duka, nice looking cards, I was going to make some from your pdf at the other thread, but they seem to big. Do I need to scale those down, or do you have some that are ready to go?[/quote]
Every pdf are ready to transfer. I make some boards from pdf. Now I draw boards in Corel and make film to etching. Too, I can make pdf from Corel.
What input transformer you will use?
Duka

 

[Kev]

[quote author="Bauman"]btw Kev, your couple channels and Peter P. one are gone also [/quote]
oooo!
:shock:
diy diy
happy happy
DIY

 

[jeroddumas]

What input transformer you will use?

I will be using the oep. I have two boards coming froom fabio. I want to build A four channel preamp. What PSU did you use?

 

[Category 5]

Anybody have a source for the BC414C's in the US? I can't find em. Can I just use BC550s in their place?

Also, for the other transistors I noticed there are several specs for each, (ex. BC560x, BC560ax, BC560apx <-made up names for example)

Which do I get for my op-amps?

Shane

 

[Bauman]

Shane,

Get BC550C and BC560C for all the spots!

:guinness:
Fabio

 

[Category 5]

Thanks Fabio,

Does that include in place of BC414 using BC550c?

Also, I assume I use BD139 and BD140 where they are specified (do not know yet fi they are the same shape and size, so forgive me if this is silly).

Shane

 

[pmroz]

Hi Shane...

i think you can use BD135 for BD139, and BD136 for BD140.
... for BC550 the A,B,C suffixes are increased hfe versions, 'C' is highest, so you want 'C' if you can get it.

 

[MikoKensington]

ATTN: Greg

Does your parts list have the opamp parts on it too? I just don't want to order any parts I'm not going to need.

 

[Greg]

Miko:

No parts are included for the opamps... that'll be seperate. :thumb:

 

[dukasound]

Hi
Does anyone knows who made API knobs and anyone have dimensions. I need it to make frontplate.
Thanks in advance
Duka

 

[mhartung]

API knobs! Me too!! Anyone know who makes em?

 

[pmroz]

... api knobs... saw in another post you can get them from API, 3-4 bucks
also
http://www.groupdiy.com/index.php?topic=3980

 

[dukasound]

[quote author="pmroz"]... api knobs... saw in another post you can get them from API, 3-4 bucks
also
http://www.groupdiy.com/index.php?topic=3980[/quote]
I saw this!
I need knob dimensions.
Duka

 

[Bear]

Hey, there's the VU output on Fabio's boards. Do we need any additionally circuitry, or do we just wire it up? What spec's suggested?

Is there any good VU thread? I wanted to check whether I could get a bunch of the same VU for different projects. (312, Forrsell Opto, SSL Bus Comp, and probably What and 1176 somewhere down the line.) As I try to contrive my packaging, it comes up as an issue.

Bear