[ 3 / biz / cgl / ck / diy / fa / ic / jp / lit / sci / vr / vt ] [ index / top / reports ] [ become a patron ] [ status ]

2023-11: Warosu is now out of extended maintenance.

/diy/ - Do It Yourself

File: 214 KB, 858x644, 5500-Group-2_1.jpg [View same] [iqdb] [saucenao] [google]

Anonymous Mon Nov 13 23:08:50 2017 No.1277892 [Reply] [Original]

Going to be in shibuya in the next 24 hrs. Where would I find pic. General guitar effects thread.

>>	Anonymous Mon Nov 13 23:11:32 2017 No.1277895 File: 3.72 MB, 4656x2620, 20171023_235151.jpg [View same] [iqdb] [saucenao] [google] >>1277892 Also working on this bazz fuzz

>>	Anonymous Tue Nov 14 00:28:52 2017 No.1277917 >>1277892 ...why would you be looking for cast enclosures in Shibuya? Akihabara used to be the place, but it's pretty much gone.

>>	Anonymous Tue Nov 14 01:19:06 2017 No.1277940 buy it online when you get home

Anonymous Tue Nov 14 03:23:50 2017 No.1277996
File: 2.33 MB, 2304x4096, IMG-20170417-WA0001.jpg [View same] [iqdb] [saucenao] [google]

Found mine on aliexpress. Top quality and price is low. Will give you the link later.

Also, I am thinking of offering diy pedal to some of my guitarist friends. I was wondering what is your simplest schematics for basic effect?

Mine is a basic diode fuzz based on AOP. Will post later too.

>Love those effect pedal threads.

>>	Anonymous Tue Nov 14 05:11:10 2017 No.1278017 >>1277996 Cool! Looking for cheep enclosures. I got all the parts to build 3 x fuzz pedals for 12 bucks. But the enclosures are pricy. Any ideas on alternatives?

>>	Anonymous Tue Nov 14 05:14:08 2017 No.1278019 File: 3 KB, 350x175, bazz3.png [View same] [iqdb] [saucenao] [google] >>1277996 Schematic I followed. Have an amazing electronics store here locally UTAH. They helped me out on the right parts.

>>	Anonymous Tue Nov 14 05:17:17 2017 No.1278021 >>1277996 Couldn't find the vendor I used to go to. But if you go on ali typing 159bb or 1590 enclosure you will find a way through.

>>	Anonymous Tue Nov 14 05:20:55 2017 No.1278022 >>1278017 Sometimes for other projects I go with cheap plastic boxes <1€.

Anonymous Tue Nov 14 05:45:01 2017 No.1278032
File: 635 KB, 1203x591, delete.png [View same] [iqdb] [saucenao] [google]

Could someone explain how this could be a compressor circuit?

I understand that it is a led or infra red led and a photodiode but... How could it be a compressor effect ? Is it using the diode effect ? (everything under 0.6v don't pass, i don't know the english for it)

>>	Anonymous Tue Nov 14 05:50:45 2017 No.1278034 >>1277895 You should try using some other diode like 1n4148 or zener. It will change the way it sound?

>>	Anonymous Tue Nov 14 05:51:57 2017 No.1278035 >>1278034 . not ?

Anonymous Tue Nov 14 05:55:54 2017 No.1278036
File: 13 KB, 589x476, schematic-really-cheap-compressor.png [View same] [iqdb] [saucenao] [google]

>>1278032
I don't know about that exact design, but usually they're something like pic related. The LED(s) light up based on the output volume, which in turn makes the LDR more conductive, reducing gain. Doing so it kinda-sorta regulates the output level.

>>	Anonymous Tue Nov 14 08:00:36 2017 No.1278067 File: 76 KB, 750x516, 1465953095938.jpg [View same] [iqdb] [saucenao] [google] >>1278036 Thanks. I understand now. Someone already tried it? I will tried on the weekend.

>>	Anonymous Tue Nov 14 08:01:41 2017 No.1278068 I just learned how to solder, and have experience with tools and the like. Besides getting my solder joints looking better, what else could you recommend to get started building effects?

>>	Anonymous Tue Nov 14 08:04:24 2017 No.1278070 File: 66 KB, 500x545, 1464581810726.jpg [View same] [iqdb] [saucenao] [google] >>1278068 Buy multimeter, read a book about components.

>>	Anonymous Tue Nov 14 08:20:21 2017 No.1278074 >>1278070 I might actually have a multimeter, and I've got an old Ugly's Reference Book. What area of this kind of book should I focus on?

>>	Anonymous Tue Nov 14 09:04:36 2017 No.1278094 File: 1.16 MB, 270x223, 1505739951839.gif [View same] [iqdb] [saucenao] [google] >>1278074 Name of the book?

Anonymous Tue Nov 14 11:31:52 2017 No.1278157
File: 95 KB, 1000x833, flat,1000x1000,075,f.u1.jpg [View same] [iqdb] [saucenao] [google]

Does anyone have any ideas for graphics to put on a Hammond enclosure for a diy big muff? I was thinking of calling it either the fatcat or fat pussy and etching pic related onto it.

>>	Anonymous Tue Nov 14 11:54:11 2017 No.1278162 >>1278157 Fat Cat sounds better.

>>	Anonymous Tue Nov 14 14:39:12 2017 No.1278227 File: 2.85 MB, 2048x1536, Image-1018615549.jpg [View same] [iqdb] [saucenao] [google] >>1278036 Can we say it's how compressor works? I 'm trying to fully understand the way it works to make my own schematics.

>>	Anonymous Tue Nov 14 15:26:53 2017 No.1278250 File: 89 KB, 800x542, yep.jpg [View same] [iqdb] [saucenao] [google] >>1278067 here you go anon, use this image in the future

>>	Anonymous Tue Nov 14 15:36:47 2017 No.1278258 >>1277892 theres a store in orlando, fl called skycraft that has a bunch of aluminum enclosures like that very cheap atm

>>	Anonymous Tue Nov 14 15:44:48 2017 No.1278262 >>1278250 Whaaaaa. Impressed. Thanks.

Anonymous Wed Nov 15 07:41:27 2017 No.1278645
File: 477 KB, 320x320, dog.webm [View same] [iqdb] [saucenao] [google]

Well. I tryed >>1278227 on one of my colleague who basically told me it was way more complicated than that. Anyone got the simplest way to explain how a compressor works? Not what it does, just how it works.

Anonymous Wed Nov 15 08:15:15 2017 No.1278654
File: 66 KB, 593x586, fuzz pedal.jpg [View same] [iqdb] [saucenao] [google]

>download pirated version of proteus
>design a simple op-amp based fuzz/distortion pedal
>mfw proteus can simulate the sound output
>mfw I build the board
>mfw it actually works

Analog electronics is actually fun when you don't know the theory but at least have a way to preview the waveforms

Anonymous Wed Nov 15 08:21:44 2017 No.1278655

>>1278036

That's actually an interesting circuit

See, TL072 is a dual op-amp

The output of one of them is just the output for the effects unit, but it also controls the inverting input of the second op-amp which in turns makes the green leds glow, and the leds change the resistivity of an LDR in the feedback loop for the first OP-AMP, which in turn changes its gain

Real fucking clever if you think about it

Anonymous Wed Nov 15 08:26:46 2017 No.1278656

>>1278645
>>1278655

An amplifier circuit has a certain gain

I'm not sure if all compressors work like this, but the circuit that anon posted works by using a second amplifier to control the gain of the first. The higher the output of the first amplifier, the lower the second one will set the first's gain to.

Anonymous Wed Nov 15 08:29:32 2017 No.1278657
File: 29 KB, 1200x733, just_another_compressor.png [View same] [iqdb] [saucenao] [google]

>>1278645
A compressor reduces the peak level of an audio signal by reducing the gain of an amplifier above a certain output level. In contrast to clipping this process adds little distortion, it softly limits the 'loudness' but keeps the dynamic range.

>>	Anonymous Wed Nov 15 08:34:23 2017 No.1278658 File: 45 KB, 600x423, NV_0500_Marston_FIG5.jpg [View same] [iqdb] [saucenao] [google] >>1278657 Would it be possible to replace the LDR/led pair with a mosfet as a variable resistor?

Anonymous Wed Nov 15 09:23:54 2017 No.1278672
File: 24 KB, 313x231, JFET-AGC.png [View same] [iqdb] [saucenao] [google]

>>1278658
Don't know about MOSFETs but using a JFET (as in your pic) is common. A JFET is normally ON and is controlled with a negative gate voltage while a MOSFET is normally OFF and could be used as parallel resistor in a divider that gets activated with a positive gate voltage.

Anonymous Wed Nov 15 10:07:12 2017 No.1278691
File: 261 KB, 2048x1536, IMG_20171115_160509.jpg [View same] [iqdb] [saucenao] [google]

>>1278656
I understand that, but to me it make the opposite of what you want from a compressor. It will raise the gain of the part of the signal you want to get lower.

>pic
On the right what I think it should do. On the left what I think anon circuit do.

>>	Anonymous Wed Nov 15 10:09:40 2017 No.1278692 >>1278691 Fuck. Right is left and left is right. Holy shiiit.

>>	Anonymous Wed Nov 15 10:50:16 2017 No.1278707 >>1278691 >will raise the gain No, it won't. The action of a compressor always reduces the gain. Look at the circuit at >>1278657

>>	Anonymous Wed Nov 15 11:54:42 2017 No.1278751 File: 1 KB, 241x121, MOSFET-AGC.png [View same] [iqdb] [saucenao] [google] >>1278672 Like this.

>>	Anonymous Thu Nov 16 07:48:31 2017 No.1279270 File: 49 KB, 640x353, sataihead640x353.jpg [View same] [iqdb] [saucenao] [google] >>1278707 If you say so. Can you argue about the best led colour?

>>	Anonymous Sat Nov 18 05:37:32 2017 No.1280444 File: 18 KB, 485x491, 1503178119811_1.jpg [View same] [iqdb] [saucenao] [google] Try to save this thread. To many people killing threads just by making new fake ones. /diy

>>	Anonymous Sat Nov 18 06:14:37 2017 No.1280448 >>1279270 He's right. Check how the gain of a non-inverting (or inverting for >>1278036) amp is calculated. The normal LDRs have maximum sensitivity for green, so green LEDs would minimize power consumption.

Advanced search
Text to find
Subject [?]Search by post subject. Leave empty for any.
Username [?]Search for user name. Leave empty for any user name.
Tripcode [?]Search for tripcode. Leave empty for any.
Email [?]Search by email. Leave empty for any.
Filename [?]Search by image filename. Leave empty for any.
From Date [?]Enter what date to start searching from. Format is YYYY-MM-DD
To Date [?]Enter what date to start searching until. Format is YYYY-MM-DD
Image hash
Search in	All Posts OPs Only
Deleted posts	Show all posts Show only deleted posts Only show non-deleted posts
Internal posts	Show all posts Show only internal posts Show only archived posts
Order	New posts first Old posts first
Capcode	All Posts Only by Users Only by Mods Only by Admins Only by Developers
Results	Posts Threads
Action	[ Simple ]