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Vintage cabinet information [message #29023] Tue, 02 May 2023 23:28 Go to next message
WillLong is currently offline  WillLong
Messages: 1
Registered: May 2023
Junior Member
Hello everyone. I've just joined this forum after reaching out to and speaking with someone in customer service with Kustom. This guy has been able to give me some great information about an amplifier head and a 4X12 cabinet I've just been given by my wife's uncle. He's a great guy who has decided to hit the road in an RV with his wife and wanted me to have the rig I am talking about. He thought it was a model from around 1979, but after speaking to the guy I mentioned at Kustom, it turns out the head is from 1974! The problem is the head's serial doesn't line up with the cabinet's, so we are not sure when it was made, so he told me to ask about it here.

The model of the head is III-L and its serial number is: 113435. The model number of the 4X12 cabinet is: 4-12 L and its serial number is: 70009. This setup sounds great when I play my Tele through it and I'm just curious about the specifics. Here is what Kustom was able to tell me:

" Found some info on the speaker. See attached. The 4 is the ohms, 38oz magnet weight, 1.5 dia for the voice coil and they are CTS speakers according to this catalog we have.
The serial number for the amp is showing built jan-march 1974. The cab serial is not aligning with that date however??"

He asked me to let him know any additional details I might be able to learn here. Thanks for checking this out and for any information anyone can share!

I'm trying to include pics, but I can't seem to figure that out lol!



Re: Vintage cabinet information [message #29024 is a reply to message #29023] Wed, 03 May 2023 06:55 Go to previous message
stevem is currently offline  stevem
Messages: 4728
Registered: June 2004
Location: NY
Senior Member
Hello and welcome to our collective obsession!

The best way to date the cabinet down to within a 6 month time frame is to pull the back off and look at the production date stamped on the mounting lip of the speakers.

The first string of numbers will be 137 since that is the EIA code for the CTS brand.

The next 4 numbers will be the month and year of production.

For instance 137 4673 will be the 47th week of 1973.

You can not post up pictures to this site, only links to a hosting site, also you have to make 4 more post to this site that I approve before a post you make goes right up.

If you want to you can make 4 more post that just say test that I will put up and then delete and then you will be good to go.
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