Author Topic: SUNN Model T serial numbers quest  (Read 5107 times)

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Offline stanner

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SUNN Model T serial numbers quest
« on: September 05, 2012, 03:05:39 pm »
I think I know there is no rhyme or reason in the serial numbers on T's. I have finally gotten all the numbers  off my T's and would love to know the year of their creation. any ideas?
thanks if you do.
stan in san fran
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Offline stanner

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Re: SUNN Model T serial numbers quest
« Reply #1 on: September 07, 2012, 03:45:42 pm »
well I guess I worded this wrong. OK let me try again:
"How do I find out the age of a 70s Model T?"
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Offline buzzsunn

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Re: SUNN Model T serial numbers quest
« Reply #2 on: September 08, 2012, 08:35:32 am »
None of them have any stickers or a date stamp like the above??
From what I know, all Sunn serial numbers don't have any information on them (like a code or something).

It's an interesting question..

« Last Edit: September 08, 2012, 08:44:54 am by buzzsunn »
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Offline EdBass

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Re: SUNN Model T serial numbers quest
« Reply #3 on: September 08, 2012, 09:51:07 am »
None of them have any stickers or a date stamp like the above??
From what I know, all Sunn serial numbers don't have any information on them (like a code or something).

It's an interesting question..

Inspection stickers, stamps or even on some earlier models a written date in grease pencil are the only ways I know to get an accurate date on an old Sunn. Pot and other component date codes are decent clues, however all they can tell you for certain is the very oldest model year the amp could be; provided of course that the component wasn't ever replaced in the last 40 years.
Itís pretty much been established that Sunn (as most manufacturers did/still do) often used up older parts stock in newer model amps, so there is no determining how long the pots, chokes, etc. in any particular amp were hanging around in inventory before the actual amp in question was built.
Heck, there could be leftover 2000S era components in there!

well I guess I worded this wrong. OK let me try again:
"How do I find out the age of a 70s Model T?"

Without any of the above clues, you need to find someone who really knows what the differences are between models. I must say that when it comes to Model T's I am not that person, but I've read about circuit changes between 1973 ('73 and '74?) and later years, and some mod to make one the other. Which circuit is yours?
Who can post with certainty what changed on the Model T from year to year, anyone?

Offline Isaac

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Re: SUNN Model T serial numbers quest
« Reply #4 on: September 08, 2012, 03:21:03 pm »
First question: is it a first generation or second generation T? In general, first generation T's have no midrange selector switch and silver centers on the knobs. Second generation T's have a midrange selector switch and red centers. However, there are exceptions. My T has the midrange selector switch, but silver centers on the knobs. It is one of the first of the second generation T's.
Isaac

Offline EdBass

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Re: SUNN Model T serial numbers quest
« Reply #5 on: September 08, 2012, 07:47:50 pm »
This;

Second generation T's have a midrange selector switch and red centers. However, there are exceptions. My T has the midrange selector switch, but silver centers on the knobs. It is one of the first of the second generation T's.

Is most likely a prime example of this;

Itís pretty much been established that Sunn (as most manufacturers did/still do) often used up older parts stock in newer model amps, so there is no determining how long the pots, chokes, etc. in any particular amp were hanging around in inventory before the actual amp in question was built.

Which, along with no discernable serial number dating system, is what makes accurately dating old Sunns without the inspection date so difficult.

Offline Isaac

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Re: SUNN Model T serial numbers quest
« Reply #6 on: September 09, 2012, 02:28:41 pm »
Yes, I think that is exactly what it is.
Isaac

Offline stanner

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Re: SUNN Model T serial numbers quest
« Reply #7 on: September 09, 2012, 04:22:25 pm »
guess I have to do some exploring on my beauties:
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Offline EdBass

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Re: SUNN Model T serial numbers quest
« Reply #8 on: September 09, 2012, 07:36:39 pm »
Nice! And a lot more fun than a savings account...

Offline loudthud

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Re: SUNN Model T serial numbers quest
« Reply #9 on: September 09, 2012, 09:47:39 pm »
I like the red one!

Offline buzzsunn

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Re: SUNN Model T serial numbers quest
« Reply #10 on: September 10, 2012, 12:08:19 am »
NICE collection!!!
Definetly more fun than a savings account...
SOMA had one red.. Is this the same amp??
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Offline stanner

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Re: SUNN Model T serial numbers quest
« Reply #11 on: September 10, 2012, 02:52:22 pm »
SOMA had a 1st gen red one-this is 2nd gen. the bottom right one belonged to sunn on their '09 tour.
http://stanosaur.com/
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Offline Isaac

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Re: SUNN Model T serial numbers quest
« Reply #12 on: September 11, 2012, 08:30:46 am »
Mine looks just like the one on the upper left.
Isaac

Offline stanner

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Re: SUNN Model T serial numbers quest
« Reply #13 on: September 11, 2012, 03:28:56 pm »
cool! I wonder how many of them transitional Ts were made. I guess the circuits are 2nd gen because of the mid switch-but-mine sounds different from the red knobs
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