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NBD - my new ibanez mikro 5 string :)

Sep 20, 2011
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Los Angeleez
for my birthday, i ordered myself a sans amp that i didn't really care for. AMS took it back and i said i wanted to exchange it for an ibanez mikro 5 string (technically it's the "Ibanez GSRM25 Gio Mikro Electric Bass Guitar Black"). i knew the mikro 5 basses weren't scheduled to be in stock till august 1, but i really wanted a short scale five, so it'd be worth the wait.

on monday i got an email that my bass was on the way. they were still out of stock, so i figured maybe it was a return, but i was fine with that. the bass arrived tuesday in the ibanez box with all the paperwork and the packet of stuff. the finish was perfect, the neck was nice but had very little relief, but a little turn of the truss rod and this is the nicest mikro i've played - no hint of buzz, rich tone, and what i hadn't noticed is it has 2 jazz style pickups rather than the PJ configuration that my other mikros have. not only does the low string not buzz, but it doesn't buzz when turned down a little more.

one thing that surprised me is that it weighs 8 pounds. i have two 4 string mikros, one of which weighs 5 1/2 pounds and the other a little over 6. it's not a boat anchor, but i was hoping for something a pound lighter. still, for most people this is pretty light weight for a 5 string.

overall i'm actually impressed. the bass plays better than i expected, finish is great, tone is very nice, and the strings are actually good for me. i like it SO much better than i had liked my now-sold warwick RB 5 string. all in all, a very happy slightly belated birthday present! i've already stayed up too late two nights in a row playing it :D

and i know the pic is dark and murky, but i know ya gotta have a pic or it didn't happen :D i'll try and get some better shots and post 'em later.

 
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Nice belated bday present!

How much wider is the neck than the 4 string Mikro? It looks a lot bigger in the pic.

How do the two J pickups sound? Are they the same pickup as the J pickup used on the 4 string?

the nut on the 5 is 45mm (1.77165") and on the 4 is 38mm (1.49606").

at a glance, it's hard to be sure. they seem to be the same size, but the ones on the 5 string have covers on them and the ones on my 4 strings have the poles showing. just looked 'em up, ibanez says they both have the "Std. J bridge pickup". it sounds very similar to the one in my green mikro, the black 4 string sounds very different from them.
 
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Lightweight - Check
Compact - Check
Flexibly with octave range - Check
Comfortable to play - ....and Check

Nice pickup and congrats! How is the tension on the B string?

keep in mind that i play mostly 30" scale or shorter, and i don't raise the string gauge to make up for it, but all that being said ,the B string had more tension than i expected. in fact, that was a nice surprise. yes, it's still a bit woobly, but i expected far worse, actually. i've had 34" scale basses with similar low tension Bs.
 
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Good news! I think I just found a source for replacement strings. This has been a problem for years with the 5-string Mikro:
  • One issue is that the bridge is placed too far forward. Some people have moved the bridge back a bit, and/or shortened the intonation screw for the B string saddle in order to get it to intonate correctly.
  • Another is that Ibanez doesn't sell replacement sets for the GSRM25, and D'Addario, DR, Elixir, Thomastik, etc. don't do short-scale sets (or singles) with a low B.
  • To make matters worse, the B-string tuner is closer to the nut than on the 4-string version. Even the 4-string Mikro is already dangerously short at 32 1/2" from the bridge plate to the E-string tuner.
  • Meanwhile, short-scale strings from most manufacturers are nominally 32" from ball to silk, and some (notably GHS) run a little long.
I just found out that La Bella does a 6-string short scale 0.29 to .125 nickel round set, presumably for people who want to tune a Bass VI from B to C. Just Strings stocks them- SN41CB-S. Currently on sale for $38.85...

Throw away the 0.29, and you've got a perfect 0.45-.125 5-string set that will fit the Mikro. I imagine that Jason at Bass Strings Online can also order them.

Even if the B still turns out to be a little long, a short spacer (a few small nuts or beads, or a piece of aluminum tubing from the hobby shop) could be slipped over the string before passing it through the bridge. By adjusting the length of the spacer, you should be able to pull the string back just far enough to clear the tuner post and prevent string breakage.
 
Good news! I think I just found a source for replacement strings. This has been a problem for years with the 5-string Mikro:
  • One issue is that the bridge is placed too far forward. Some people have moved the bridge back a bit, and/or shortened the intonation screw for the B string saddle in order to get it to intonate correctly.
  • Another is that Ibanez doesn't sell replacement sets for the GSRM25, and D'Addario, DR, Elixir, Thomastik, etc. don't do short-scale sets (or singles) with a low B.
  • To make matters worse, the B-string tuner is closer to the nut than on the 4-string version. Even the 4-string Mikro is already dangerously short at 32 1/2" from the bridge plate to the E-string tuner.
  • Meanwhile, short-scale strings from most manufacturers are nominally 32" from ball to silk, and some (notably GHS) run a little long.
I just found out that La Bella does a 6-string short scale 0.29 to .125 nickel round set, presumably for people who want to tune a Bass VI from B to C. Just Strings stocks them- SN41CB-S. Currently on sale for $38.85...

Throw away the 0.29, and you've got a perfect 0.45-.125 5-string set that will fit the Mikro. I imagine that Jason at Bass Strings Online can also order them.

Even if the B still turns out to be a little long, a short spacer (a few small nuts or beads, or a piece of aluminum tubing from the hobby shop) could be slipped over the string before passing it through the bridge. By adjusting the length of the spacer, you should be able to pull the string back just far enough to clear the tuner post and prevent string breakage.

or you could get these, made specifically for the 5 string mikro
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