Aion's Meridian, Guyatone PS20 compressor. It's just amazing, especially the Exciter control, to shape the sound :
"increases the emphasis on harmonics. At 50%, there is no change. When turned to the left,
even-order harmonics are increased. To the right, odd-order harmonics are increased. "
Exciter / Compressor
www.musikding.de
In my experience, this compressor, built on Bass specs, will also be very effective with guitars, drum machine, synth, etc.
Lovetone Meatball, Aion's Spectron, is probably the best circuit I ever built :
Envelope filter
www.musikding.de
Filter Fx is also very good, but it's not sensitive to your picking like the Meatball. You set the Speed and that's it. There are 2 random waveforms settings that make this effect really interesting and original. The Depth and Resonance settings are also very effective. Featuring tap tempo, expression input, sync input...
12dB/oct Lowpass/Bandpass/Highpass filter
www.musikding.de
You'll need also a good Bass Tube Overdrive, and a Bass fuzz :
The bass Amuser is an overdrive pedal specially for Bass It was develpoped in the Musiker-Board, a very large german music instrument forum Credits go to
www.musikding.de
Bass Amuser is far above every other bass dirt circuits I ever tried.
Here's a bass fuzz designed by Charlie Barth from Moosapotamus.net based on the fuzz section of the classic Acoustic 360 bass preamp. It us...
effectslayouts.blogspot.com
Here you'll find a demo with Spectron (set on reverse wah at 1:20') and 360 Bass Fuzz (used on both bass and guitar) :
Moosapotamus 360 Bass Fuzz - perfboard. I didn't have the time to post a report. Since it came up in a conversation... I found this circuit by pure luck, exploring Mosapotamus website. He says it's his favorite fuzz, so it got me curious. It sounds more than very interesting. Obviously it...
forum.pedalpcb.com
Edit : BBW can be interesting too, to restore some low-end and some precision to the signal, after an overdrive for exemple. Like the Meridian, this thing can quickly become an essential and addictive corner stone of your pedalboard. Everything will sound bland, dull, weak and boring without it.
Compare to BBE Sonic Stomp
www.pedalpcb.com