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Preamps and Effects / Re: Aion lab series l5
« Last post by g1 on January 15, 2019, 01:45:21 PM »
C37 in the IC11 circuitry I guess?
The Newcomer's Forum / Re: Gear Suggestions
« Last post by joecool85 on January 15, 2019, 10:44:16 AM »
I suggest getting a Weller WLC100 station.  They are fantastic, reliable, inexpensive units and are used commercially in labs all around.  Typically they sell for $40 USD or so.  Regarding multimeter, I suggest a digital multimeter (referred to as a DMM).  I don't care for the "auto sensing" type, I like to adjust myself.  Brand isn't super important.  The one I use is a Craftsman because Sears had one on hand years ago and it fit the bill.  Higher end brands like Klein and Fluke are great if you can afford it, but not necessary.  Here is the cheap Craftsman I used for almost everything:

$20 and it gets the job done very well.

Past that the next thing I recommend is a "third hand" type of gizmo.  I use mine regularly and it's a real help.  You can get them all over the internet from very basic to very fancy.  I use this $5 one:

A silicone soldering matte is something I have been considering as it would keep my station clean.  I have one at work that I use mostly for keeping screws in place while tearing down laptops and such.  For $14, it's well worth it:

I forgot to add, make sure to get quality lead solder (I like Kester 60/40 in 0.031") and also some desoldering braid (sometimes called desoldering wick).  Thicker solder is harder to work with and mostly unnecessary for the small joints you will be working on.  I use leaded because it flows so well and withstands the test of time.  I do have lead free silver solder, and it works, but requires more heat and doesn't flow as cleanly.

Good luck!
Preamps and Effects / Re: Aion lab series l5
« Last post by swt on January 15, 2019, 09:01:26 AM »
Solved. The 100p that was suppossed to be a multilayer was in fact an inductor. Bad supplier. Thanks a lot.
Preamps and Effects / Re: Aion lab series l5
« Last post by Jazz P Bass on January 14, 2019, 01:51:05 PM »
For those following along:
Preamps and Effects / Re: Aion lab series l5
« Last post by swt on January 14, 2019, 09:57:50 AM »
Thanks for the replies. R76 reads ok at 99.8k. It must be something with ic 11 or q1.
Schem at aion site.
Preamps and Effects / Re: Aion lab series l5
« Last post by phatt on January 14, 2019, 07:04:16 AM »
Power down and read the resistance across that resistor,, it maybe open and read a much higher that stated.
Preamps and Effects / Re: Aion lab series l5
« Last post by Jazz P Bass on January 14, 2019, 12:00:25 AM »
Preamps and Effects / Aion lab series l5
« Last post by swt on January 13, 2019, 11:19:02 PM »
Hi. Just finished this project and i am having problems with r76. Before it, i have audio probe and tested the 4.40 ac volts as per calibration. Right after it, audio is almost lost and ac volts drops down to few millivolts. Any clues?
The Newcomer's Forum / Re: Gear Suggestions
« Last post by phatt on January 13, 2019, 10:54:20 PM »
Welcome Coolmic,

start with simple stuff;
You should be able to get a soldering iron that suits your needs for under $20 au.
Mine cost $18,, first one lasted 5years second is still going at 3 years.
Repaired many amps/pedals/guitars and built many projects including a couple of Vavle Amps.

Find it here;

Multimeters; well take your pic if you are only working on low voltage pedals then you don't need to spend too much.

If you intend to work on mains stuff then you need a better meter.

Again this is what is around in Australia you place might be different;

Oh and stay away from lead free solder,, ask for 60/40 solder.
Hope it helps,, Phil.
The Newcomer's Forum / Gear Suggestions
« Last post by CoolMic on January 13, 2019, 09:13:35 PM »
I am totally new to amp modding and pedal building. I have two amps that I want to mod and some veroboard layout of pedals  I want to build.

I just need the gear to get started. I need suggestions for a multimeter and a soldering station. I do want the most expensive stuff out there - just good bang for the buck gear that will last.
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