Search found 15 matches

by branleur
11 Feb 2010, 20:16
Forum: DIY Projects
Topic: EH - Bass Micro Synth
Replies: 122
Views: 34451

Re: EH - Bass Micro Synth

gigelmargel wrote:I hope that somebody will make a project using 13700 instead of 3094 because I want it very much :)
I want it so :wink:

but my electronic's knowledge are too poor to well work this project :cry:
by branleur
11 Feb 2010, 20:09
Forum: Modern Stompbox Effects (1975 - ...)
Topic: EHX - Low Frequency Compressor [schematic]
Replies: 70
Views: 61856

Re: EH - Low Frequency Compressor [schematic]

gigelmargel wrote:Glad to here that it works :)
Not perfectly works! There is too much compression yet, but hope i will find the proper transistor.
by branleur
09 Feb 2010, 17:18
Forum: Modern Stompbox Effects (1975 - ...)
Topic: EHX - Low Frequency Compressor [schematic]
Replies: 70
Views: 61856

Re: EH - Low Frequency Compressor [schematic]

using low gain transistor seems to be to right way! Stay waiting transistor coming from Banzai :? Banzai crew are very very slow :mrgreen:
by branleur
04 Feb 2010, 20:05
Forum: Modern Stompbox Effects (1975 - ...)
Topic: EHX - Low Frequency Compressor [schematic]
Replies: 70
Views: 61856

Re: EH - Low Frequency Compressor [schematic]

I've drawn a PCB for the EHX LFC. After some disagrement, the LFC seems to work. I use old low gain transistor (like 2n1711, 2n2905...). Hight gain transistor do not match with the LFC. I use 741 IC. I mods the "sustain" pot from 100k to 1Meg. But the LFC compresse a lot. It can also have ...
by branleur
21 Jan 2010, 18:14
Forum: Printed/Published Online Designs
Topic: Ring Modulator Schematics
Replies: 11
Views: 5269

Re: Ring Modulator Schematics

Hummm the 200k trim pot!

I guess it's a mix pot. but my englisch speaking language is to poor. I've many difficults to explain you how it work.
by branleur
20 Jan 2010, 17:05
Forum: Printed/Published Online Designs
Topic: Ring Modulator Schematics
Replies: 11
Views: 5269

Re: Ring Modulator Schematics

layout.jpg
layout.jpg (34.38 KiB) Viewed 3159 times
modulatron pcb.jpg
modulatron pcb.jpg (24.29 KiB) Viewed 3159 times
modulatron schema.jpg
From DIYstompbox. I've already made it. It Works. Ah little noisy in LF application. Very strange stompbox. hard to use in classic rock music. Can oprerate in dance or electronic music!

:wink:
by branleur
12 Jan 2010, 19:02
Forum: Modern Stompbox Effects (1975 - ...)
Topic: EHX - Low Frequency Compressor [schematic]
Replies: 70
Views: 61856

Re: EH - Low Frequency Compressor [schematic]

here's the schematic i've mix! Do not matter with the voltage divider (R29 and R30) before the input! it's just there to reduce audio'svoltage.
LFC mix 001.JPG
And there the frequency response. Interresting! isn't it?
frequency reponse.JPG
by branleur
12 Jan 2010, 17:52
Forum: Modern Stompbox Effects (1975 - ...)
Topic: EHX - Low Frequency Compressor [schematic]
Replies: 70
Views: 61856

Re: EH - Low Frequency Compressor [schematic]

someone is working for the PCB? I could clone the pcb Yeah man! But i will use the tonestack coming from the one IC version of the EHX. I've alredy draw the schematic on switchercad, and simulate it. It works :) . The tonestack of the early version of LFC is really interresting. bass frequency are ...
by branleur
10 Jan 2010, 18:41
Forum: Modern Stompbox Effects (1975 - ...)
Topic: EHX - Low Frequency Compressor [schematic]
Replies: 70
Views: 61856

Re: EH - Low Frequency Compressor [schematic]

:shock:

What a hell!! A corrected schem :shock:


Ho man, you know I love you :hug: !


Seriuously


VERY THANKS[/color]
by branleur
10 Jan 2010, 10:15
Forum: Modern Stompbox Effects (1975 - ...)
Topic: EHX - Low Frequency Compressor [schematic]
Replies: 70
Views: 61856

Re: EH - Low Frequency Compressor [schematic]

I've drawn the one IC version of EHX LFC (without the CA3080 OTA) with switchercad. The filter section works. But the section driving Q2 didnt't! Some value missing in the schematic posted page 1.

If anyone could help.


here the switchercad file:
LFC 012.rar
(2.62 KiB) Downloaded 283 times
thanks
by branleur
09 Jan 2010, 21:24
Forum: Printed/Published Online Designs
Topic: Attack Delay Modulator
Replies: 1
Views: 1494

Attack Delay Modulator

Hummm very interresting

somethings like Attack decay modulator here: http://members.shaw.ca/roma2/attack.pdf

Perhaps it will help you
by branleur
03 Jan 2010, 22:02
Forum: Printed/Published Online Designs
Topic: Another Compressor!
Replies: 10
Views: 6449

Re: Another Compressor!

hum simple and easy to build! Jfet used as VDR.

:applause:
by branleur
03 Jan 2010, 20:20
Forum: Printed/Published Online Designs
Topic: Simple Transistor Compressor
Replies: 25
Views: 24954

Re: Simple Transistor Compressor

Thanks for sharing :D I just need a simple compressor without OTA for another project. It seems I lucky 8)


EDIT: Has anyone have a EHX LFC corrected schematic
by branleur
03 Jan 2010, 13:17
Forum: Modern Stompbox Effects (1975 - ...)
Topic: EHX - Low Frequency Compressor [schematic]
Replies: 70
Views: 61856

Re: EH - Low Frequency Compressor [schematic]

Please! Could anyone post or repost a corrected schematic of EHX LFC! It might be the one IC based or the two IC based, it don't care

With the schematic i can trace a pcb and post it!

Thank a lot
by branleur
01 Jan 2010, 23:31
Forum: Modern Stompbox Effects (1975 - ...)
Topic: EHX - Low Frequency Compressor [schematic]
Replies: 70
Views: 61856

Re: EH - Low Frequency Compressor [schematic]

Hi everybody :D

I'm very intersting about the one IC version of the EHX LowFrequencyCompressor. But the schematic posted by HereIam2010 is not aviable! :?
Could anybody post another corrected schematic of the EHX LFC. :D

Have a nice day, and happy new year