#98

I’m kind of re-discovering my Mangrove, it has so much character!
I love treating the dynamics of the Square output and Formant with two different sequences.

Sorry for the crappy old-smartphone recording, will work on the patch more and upload something later.

Context & Patch Details

My eurorack was getting dust for nearly 2 years, I had a lot of problems with my old cheap power supply and the place I live in had a really crappy electrical installation. I didn’t have money to buy a new case nor free time to practice. Last week I bought a used Intellijel case from a friend, fixed the installation and now everything works perfectly. :slight_smile:
I DIYed two passive 1U modules for the moment, an Olegtron R2R and a quad passive low pass Gate (combined Two-tone & DPLPG).

Patch details :

Simple CV sequence from SQ-1 to Mangrove v/8.
Slow LFOs from O_c gently modulate Mangrove Barrel and Formant.
First gate sequence > Maths > AIR, the Formant output goes to Korgasmatron channel B.
Second gate sequence > Maths > LPG controlling the Square output of Mangrove, then goes to Korgasmatron channel A. This Maths enveloppe also controls the Q of Korgasmatron chan B.
Those two gates + the two EOR/EOC from Maths go to an Olegtron R2R used as a DAC, the output FM Korgasmatron chan A.
Output of Korgasmatron goes to A-199 spring reverb.

I have to find a way to sequence this properly, SQ1 is nice for quick jams but I’d like to store sequences and have more control over them. I’m gonna try sequencing with Max, there’s a nice book explaining everything about the live.step object and it seems quite powerful.

10 Likes
#100

does someone here have any idea why a mangrove could stop working from one night to another? worked fine yesterday, today there’s no sound from either barrel or square out. nothing changed in my case… mmh :thinking:

#101

@xxsd This happened to me live once. No sound at all- it was terrible and it threw me for a loop. I took it out of the case next day and examined it and the bottom pcb was loose and detached a bit- I pushed it back and everything worked fine after that. Maybe see if there’s anything loose?

1 Like
#102

If it’s not the PCB, you may have the old fuses installed. These may be broken and need to be swapped. You can also bridge them with solder for now. Here’s the link to the guide: https://www.whimsicalraps.com/pages/fuse-replacement-guide

2 Likes
#103

ah thank for these quick replys! @Benjamin_Mauch i already inspected it everything was in place.
@dubiousphil I’ll try that next, thx!
status update: seems like I’m still on the old fuses. will order replacements and see if i can fix it

#106

Yep - I’ve long heard that this is consistent (and normal) across all Mangroves. It certainly is the case with mine.

#107

Whew, ok. It’s not too audible or anything, but I wanted to check to see if there was something I could do (trimmer?).

#108

As far as i know it is by design to make it more responsive to AM.
Wondered myself in the beginning, using it as complete voice …
Now I learned to really appreciate it as a design decision and use it in very different ways.
Mangrove taught me a lot! :slight_smile:

2 Likes
#109

You can close it all the way by adding a bit of negative offset to whatever you are sending into Air.

14 Likes
#110

That is so great to know!

#111

Just got one, and came to ask this. Thanks for the negative voltage tip. :vulcan_salute:

1 Like
#112

I love the Mangrove.

Just one little thing that bugs me: The built-in VCA doesn’t turn down the volume completely, even with Air full ccw. I can always hear a bit of sound coming from Formant.

Is this just happening with my unit or does everyone have that behavior?

3 Likes
Mannequins Mangrove
#113

This happens on both of my mangroves too. I thought it was just a problem with mine until I got a second one. Wish there was a fix for it

#114

if you put a bit of negative offset on your cv it will close. :slight_smile:

6 Likes
#115

The same happens on mine. I usually don‘t mind though since I tend to use the air control as a vca for velocity, so I always have another vca after it.

1 Like
#116

@justmat’s fix sounds like the right way to go. I believe the not-closing is a feature, so that audio-rate modulation sounds better.

1 Like
#117

Ha, never thought of it! Have to try that. Thanks!

#118

I always wish you could pass the square through air, or bring in an external signal.

1 Like
#119

@Justmat i tried your suggestion and i can confirm, it works like expected. thanks again!

1 Like
#120

I’ve owned two Mangroves in the past, but traded them for something else. Right now I’m in a panicky low vco and 16 HP to fill situation and I think I’ll have to give it a third try (third time lucky perhaps). A couple of years ago people seemed sell theirs a little now and then, but now there’s none to find on the second hand market.
So, is a new batch coming anytime soon?