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Double Bass Attaching a mic to the DB

EdI know you've mentioned it before but if you could remind us. What do you typically plug the mic into for smaller gigs, jams, rehearsals? Are you using a bass amp? Powered monitor?
In reverse order:
Rehearsals- I tend to do rehearsals acoustically, no amplification
Jam sessions- if I’m in the house band I bring my amp, if I’m just sitting in I use the house bassist’s set up. Sam Edwards, who is generally the house bassist for a couple of sessions here, generally plays without amplification
Gigs, big or small, I use the Clarus S4+ and the GK MBX112 extension cab. The Clarus has XLR inputs and a low end cut, phantom power if needed (409 doesn’t). If it’s a big house, there’s a Direct Out that has a pre or post EQ choice
 
MD409, ekchully :)
Ric Vice had a clever way to mount a mic using the after length and some metal and rubber washers. I used that for awhile but ended up going back to the “wrapped in foam and stuffed up in the bridge arch”…View attachment 5279800

Ed, I think this is what you're referring to:

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More MacGyver than Thomas Edison.
For more Thomas Edison use an old light bulb at the same position (looks about the same) and use the induced voltage of the movement of the helical wire inside. You might want to add magnets around to raise the induced voltage and maybe even heat the helical wire up.
A lot of experimentation (with a very bad S/N-ratio).
 
I have used a 57/58 suspended between the bridge and after lengths with rubber bands, angled as perpendicularly as possible to the top. Sounded good for a quiet acoustic group with no drums. More hassle than a pickup.

@SeayBass sent me a kit he's working on to mount a mic to the tailpiece. It's worked at home, and seems promising with a D4 or PR40, but I haven't tried it live.

Yes- I've been using my mount method for a year or two and it's been very handy. I carry a pickup just in case, but haven't used a pickup since May.
I was inspired by the washers/bolts method in the afterlengths (mentioned here by Rick). After trying that I was very interested in mounting a mic with a little more reach and adjustability.
my version runs a bolt through the keyhole in the tailpiece, and with a few adapters mounts a mic to a double-ball arm (photography mounting equipment). Here's a pic. PM me if you want to know more.

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