Hey Peter.

  • Thread starter Thread starter Hey_bert_whtcha_doin_bert
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Hey_bert_whtcha_doin_bert

Hey_bert_whtcha_doin_bert

Active member
Can you help me out real quick, I just purchased a 4x12 front loaded, got it today, and there are no markings on the input plate, here's what all it says. "T.S." in the upper right hand corner, probably for Tyler Salwender, the serial code 0110412fnam(is this a namm cab?), and mono underneath the serial number( no numbers in the white boxes to indicate which is which). Now as I've always been told diezel cabs are mono/stereo this kind of confuses me a little, it said on the box 16 ohm mono, which makes me assume the red jack is the input and the black is a through/not hooked up? Please, if you can, get ahold of me soon, I want to jam through this thing bad, don't really want to pull the plate to measure the resistance but if you can't get back soon I guess I will, let me know, thanks.

-Nick
 
Nick,
Does this help you any?

IMG_2171.jpg
 
Nah, not really, thanks though. I measured it, it's definitely 16 ohm and it's definitely mono, both jacks are wired together in series, just kinda weird, never seen one like that myself, they all have been 8 ohm mono/16 ohm stereo. The serial number, right underneath it, it says mono, in black ink, no ohm rating, nothin' on the jack plate, although it was written on the box, just wanted to be sure. Looks like the gabun plywood of the new cabs behind the jackplate too, wanted to see if I got one of the new cabs as well.

Thanks again,

-Nick
 
where do you connect a DMM to measure the impedance on ther cab?
 
where do you connect a DMM to measure the impedance on ther cab?

You pull the input plate and set your Multimeter to ohms and measure the positive and negative wires on the input jack(red input jack), it'll only read one way so if it doesn't read switch the test leads around. A 16 ohm cab will read between 12 and 13 ohm give or take, 8 ohm cab about 6-ish.

Later on,

-Nick
 
IMG_2171.jpg
You have to take this plate off and measure off the red jacks positive and negative.
 
You could just stick a 1/4" cable into the jack and measure off of the cable.. Put the positive probe to the tip and the negative to the metal sleeve.. It will be close tot he ohm value give or take a couple ohms
 
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