Ibanez GSRM20 GSR Series Electric Bass Logo

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Posted on Aug 02, 2011
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I have a grounding problem with my new Ibanez GSRM20 bass. I don't have an amp, and run the bass directly into a recorder (home studio) and headphones. There is a hum that disappears when I touch the metalic parts of the bass (obviously grounding). Should I try to change the pickup wiring to a star grounding? Thanks, Ted

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Fred Yearian

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  • Ibanez Master 5,603 Answers
  • Posted on Aug 02, 2011
Fred Yearian
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You need to ground the recorder. Use a WYE connector to get access to the barrel of the guitar cable and find a good ground on a three wire cord wall receptacle. You don't say what model recorder you have which would have been helpful to us. We are surrounded by electric and magnetic fields and typically you can pick up 10 volts AC (with no real current) just as an antenna from the building wiring. Many music devices that run on "wall wart" power adapters have this problem. Also keep guitar away from wall warts as they emit strong magnetic fields for those that use conventional transformers.

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I am trying to wire a Delano 4 conductor pickup with a simple volume and tone control harness wiring into my Ibanez Bass guitar. I am new at this and just getting a buzz when testing.

If you are getting a buzzing sound, the ground connection is wrong. If you google how to wire an electric guitar there is a lot of info on it.
tip

Home Studio Recording: Part 3

Once again, we dive into the subject of recording your band's (or your solo) album. So far, we've covered the basics, and how to record drums. Today, we talk about the all-important Bass Guitar.

There are a few different ways that you can do this, one being the industry studio standard of using a Direct In box, or DI. How this works is you run through this box, which then has two cables. One to the mixer, and one to your amp. You then mic the amp (see below for mic placement), and get both the clean and amped signals together on the track, giving you a fuller sound.

Method number 2 - Amp your bass, and add the effects there at the amp. Compression, chorus, and distortion are some popular ones with the bass guitar these days, even in country music. Light overdrive gives a bass more high end sparkle, making it easier to hear it at the lower volumes.

Method number 3, and suggested if you don't have a DI box as well as if you don't want to anger your neighbors, who bang on the ceiling with a broom (just joking on that. Still, don't tick them off!) - Plug your bass straight into the computer, and record two tracks simultaneously. On one of the tracks, apply an amp simulator with the desired effects. On the other, apply ONLY an equalizer and compressor, in that order. What this does is gives you the amp tone, as well as accentuates the lower frequencies of the bass guitar. It's the shortcut that actually produces great results.

For mic placement on your amp, you can use either a condenser mic (which requires a preamp, or a mixer with phantom power), or a dynamic mic. Both will give you a great sound, but it's up to you to find what fits your sound, and your budget.
Placing the mic. - Pick your best sounding speaker. To do this, turn your amp down, and play a note. Go to it, and listen to each speaker by placing your ear directly in front of it (this is why we said turn it down). If your best one is close to the floor, rotate the cab so that it's one of the top speakers. Using a standard mic stand, place the mic so that it's pointed directly at the speaker, but it's about 2 inches in front of the cone, and 2 inches to the side. You can experiment with different placements, such as directly in front, or to the side and pointed across the speaker, but this is usually the best sound you'll get.

That's all for this segment of Home Studio Recording. Join us later for part 4.
on Mar 27, 2011 • Music
tip

Studio Recording at Home; Part 1

For all of the musicians who want to record their demo, or even your next album, without paying pricey studio fees, this is the tip for you!<br /><br />First, let me say that it doesn't matter what DAW software you're using, as long as you're familiar with it and can navigate it easily.<br /><br />For that "full" sound that you hear on most recordings on CD and radio, here's a what you've gotta do:<br /><br />4 guitar tracks (two for each side of the stereo image, pan two out just a bit farther than the others).<br /><br />2 bass tracks (one recorded direct in [DI], the other amped)<br /><br />A single drum track<br /><br />Vocals to taste<br /><br />For the guitars, if you don't have an amp, or the equipment to record an amped guitar, there are plenty of amp simulation programs available. If you are using an amp, you'll want to place the mic in front of the amp, slightly to the side, pointed at the midway point between the center and the edge of the speaker.<br /><br />For bass, recording DI without a DI box can be a pain. That's where the amp sims come into play. Record two tracks simultaneously, and only apply the amp sim to one track.<br /><br /><br />That's all for this tip. Stay tuned for part Deux of Studio Recording at Home!<br />
on Feb 12, 2011 • Music
1helpful
1answer

I need a wiring diagram for an Ibanez GSRM20 Mikro Bass.

normally the third knob would be the mix between two pickups.
0helpful
2answers

One of my MR8's has only its tweeter working, im guessing the bass driver might be blown? How can i test this though and be sure it is the bass driver and not just a simple electrical fault?

Open the unit and remove one wire from one of the woofer terminals and using an ohmmeter check the resistance between the terminals. It probably should be between 6 and 16 ohms... they don't give the specs on the speaker... if it is very high or infinite resistance, the voice coil is blown and you be re-coning or buying new speaker. These are close in speakers and intended for a small room for studio listening while mixing. If the speaker is OK, then the bass amp in the cabinet has a failure... pray, as that is cheaper to repair than a speaker.
1helpful
2answers

I have an EDB 600 here and some of the wiring is detached; I would love to find some sort of diagram of the wiring so I know how to put it back together!

Try here for a 2004 EDB600. Newer years don't show up but they are probably pretty similar.

http://www.ibanez.com/support/wiringdiagrams
0helpful
2answers

When i play a bit loud (not too much though just when the light blinks red on the hard play) the sirquit closes the amp for two seconds.can you healp me on this ?thank you very much

does your bass have active pick ups?
do the ratings on your amp match the ratings on your speaker?
are you using a pedal?
does your pedal have an output adjustment?
have the ground on your bass checked.
make sure you're using the right kind of cable.
and be sure that the outlet you're using is grounded.
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