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Topics - njkke

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Audio/Video Demos / 1590A Mephisto (Stone Grey/Rainy Day)
« on: May 14, 2015, 11:04:37 AM »
This is a demo of the Mephisto (1590A Stone Grey), based on the superb Madbean Rainy Day schematic.

I want to share with you my last tetris works. Warning: there's a lot of porn inside!  ;D

The first one is a Rub-a-Dub reverb (by 1776 effects/JRM, thank you a lot), I've re-drawn the layout to fit in a 1590A. I think I've succeeded!  ;D

And the second one is a Mosfet Buffer in a 1590H box... I didn't know before I start but there's room for a 3PDT (in place of the DPDT toggle)!  :o

Build Reports / BassHole (Bass Driver Tech 21 Clone + mods)
« on: May 11, 2015, 04:03:33 PM »

[Warning: Italian guy trying to write in english.]
Hi Folks!
This is project based on the Sansamp Bass Driver, a really great bass preamp, D.I. and Overdrive pedal.
The first picture is the deluxe version.
I've modified its circuit to increase the saturation amount (the Push selector on the Right), I've added a clipping section selectable (1N914/None/Led, the Texture selector on the Left) and I've added a second channel switch with Volume and Drive knobs.
In the second picture you can see 2 BassHoles with the same layout but without the Texture and the Push selectors.

Here's a video:

Build Reports / Manta Verb (Rub-a-dub 1590A Reverb) - PREVIEW
« on: May 06, 2015, 04:02:55 PM »
It's only a preview of my last Tetris work on resizing the really good sounding Rub-A-Dub Reverb (by 1776 Effects/JRM).
It works, but I haven't finished the graphics yet.

Build Reports / 1590A pedalpornboard
« on: April 24, 2015, 03:20:05 PM »
An italian wooden wine box full of 1590A pedals. In order from right to left:
1) The Good, Tube Screamer 808 with Fat and Bright toggle switches;
2) The Ugly, Plexitone with boost pot and clipping toggle switch;
3) The Bad, Crunch Box with external Presence pot and clipping toggle switch;
4) Mephisto, Stone Grey, no mods added;
6) Tube Llama, Red Llama specs with Full Madness toggle switch (10M resistor);
7) Tone Reaper, Tone Bender MK II with AC128 and voltage inverter;
8 ) Black Goat, Triangle Big Muff with increased gain factor, Mid pot and Cut (input cap), Clipping and Feedback toggle switches;
9) Raven, Rat with Character pot (ruetz mod), Clipping and Cut (input cap) toggle switches;
10) Tarantula, Super Hard On, no mods added.

General Questions / Bass Driver with Send/Return
« on: February 23, 2014, 02:41:09 AM »
Hi guys!
I'd like to add a Send/Return to a great bass pedal and DI, the Tech 21 Bass Driver.
Can I put it between SW3 and C21?
I want the bass driver distortion and the other send/return pedals to go in the DI section of the pedal . Is this the right way?

Build Reports / Three 1590As and a Triple pedal
« on: December 06, 2013, 07:47:03 AM »
Deep Blue Delay/Sea Urchin resized and etched
You can find my 1590A layout here:

Red Llama/Tube Sound Fuzz Hybrid

Stone Grey/Rainy Day

Two Crushers/Crunch Boxes with toggle switch for clipping leds or silicon diodes and Medusa/TS808 with Fat switch and Bright Switch, no footswitches but direct IN & OUT for every pcb.
Crusher 1590A Layout:
Medusa 1590A Layout:

Build Reports / 5 Pedals, 1 Head and 1 Guitar
« on: November 09, 2013, 08:22:32 AM »
1590A Tone Bender mk II with onboard voltage inverter

Tone Bender mk II without voltage inverter and a strange vintage box!

Plexitone/Boneyard with two Level pots (one for the crunch, one for the Higain)

Zero Point Micro with modulation switch & pots

Sea Urchin with 3 presets + Rub-a-Dub reverb with boost pot and (inside) tone pot

Noisy Cricket/Ruby Amp with several mods

My wine box guitar tuned GDAD (sometimes GDAE) + Hot Red Head + Clean Amp Cabinet (in a chinese box)

Mammoth build using the Madbean's Sabretooth etchable pcb
Really nice sound fuzz, tested both with guitar and bass
Front View

Inside View

Trinity Feedbacker build using my personal layout (here's the thread: )
I've found that the Tone pot wiring is inverted (1, 2, 3 in place of 3, 2, 1...)
I've jumpered the 39k resistor and used a 10K B pot for the Mids... it seems much more usable!

Front View

Inside View

The Gathering

Build Reports / Carl Martin Compressor Limiter
« on: March 24, 2013, 07:46:09 AM »
Hi guys!
Here's a pic of a Carl Martin Compressor Limiter for a Nerd friend of mine.
Enjoy it!

Build Reports / Filthy Animal (1590A Fat Bastard/Fat Boost)
« on: February 10, 2013, 06:59:54 AM »
Hello guys! Here's my Filthy Animal, a Fat Bastard clone, that I assume is an improvement of the Fat Boost.
You can find here my layout for 1590A

Front View

Inside View

Global View  ;D

Build Reports / 1590A Crusher (Crunch Box)
« on: February 09, 2013, 11:33:01 AM »
Hi guys!
This is my version of the great Crunch Box with the Presence/Cut pot and the Clipping Toggle to switch between 2 LED (Classic Marshall-Style) and 4 germanium 1N34A (too similar to the LED, I think I'll change them to 3 1N914)
Here you can find my layout, it's really easy to put it in a 1590A!

I like its vowel-like voicing so much, it seems to bloom in every bending I do!  8)
Here's some pics
Front View

Inside View

Hamburger View!  ;D

AUDIO DEMO ADDED (Epiphone Les Pauls > Crusher > Mixer > Audacity - NO AMPLI - NO EQ)

Build Reports / Mushroomizer (Afterlife)
« on: December 15, 2012, 03:01:32 AM »
This is my first 1590A pedal.
The name: I don't know why but when I heard it for the first time, with the settings of the pic below, I just thought of mushrooms popping here and there!  ;D
The 1UP pot is the Midwayfair Sensitivity mod, really useful!
All the components except for the jacks are standard size components.

Requests / Sweeper Bass Filter Micro
« on: December 08, 2012, 09:41:21 AM »
Yersterday I saw this video... bum!

[ Invalid YouTube link ]

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