Recent content by fretbuzz2003

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    GK 400RB-iii 1x15 Combo Port

    Thanks for that, I will order another 4-1/2" long port.
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    GK 400RB-iii 1x15 Combo Port

    Thank you so much! Is the port flared at the outside or both ends? I cut my port to 3-1/2" to tune it to 40 Hz. So I should be safe as far as excursion goes.
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    GK 400RB-iii 1x15 Combo Port

    Awesome, thanks! I found the speaker label. It is a 0820010-B. I requested the speaker specs from GK but have not heard back. In the meantime I tuned the cabinet to 40 Hz. It sounds good, a bit boomy maybe. Or that could just be me being used to guitar amps (this is my first bass amp).
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    GK 400RB-iii 1x15 Combo Port

    I hoping someone more experienced could offer a more educated guess, but forget that I asked.
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    GK 400RB-iii 1x15 Combo Port

    Unfortunately I do not have any information on the speaker, so I will have to guess.
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    GK 400RB-iii 1x15 Combo Port

    Can anyone please recommend an fb to tune the cabinet too?
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    GK 400RB-iii 1x15 Combo Port

    Not that anyone is following, but the port I found was 4" dia x 4.375" long. It fits the cutout and by my calculations that should tune the cab to 40Hz. Not sure if that is good or not for the speaker but it sounds pretty decent.
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    Newbie

    Thanks! I've been playing for about a month. So far I've picked up a Fender MIM Jazz bass and a GK 400RB-iii combo. Should be good enough to get me started. Strict alternate picking with my fingers has been a challenge along with muting with the floating thumb.
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    Newbie

    Hey all, new member here. Long time guitar player who decided to recently learn bass. This seems like a good forum to pick up some pointers.
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    GK 400RB-iii 1x15 Combo Port

    Hey all. I recently picked up a GK 400RB-iii 1x15 Combo for a good price. However the speaker port is missing. I was wondering if anyone with one of these amps could measure the port for me so I could find a replacement? I tried contacting GK but they said they do not have any cabinet...
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