Speakers even Has Metal tag with serial number on it. Boy is this amp heavy. I'd guess yours to be a I have a NV and really like it. You had to look close at model changes to tell if it was a 3A or 3A But I think the LA might have been
What is the date of manufacture?Peavey Backstage 30 combo amp Serial Number 9A - 366794
Peavey Electronics - Wikipedia
It is most widely known for its guitar amplifiers and PA speakers. To date a Peavey amplifier, you can consult a number of books or online resources or you can contact the Peavey company directly. Examine the back of your Peavey amplifier. Write down the serial number, which consists of some letters followed by a set of numbers. Write down the model name and color. Contact the Peavey company at customerservice peavey. Send an email inquiring about the age of your amplifier.
The original Classic series amplifiers were introduced in the s and were originally called the Peavey 'Vintage' series which the first releases used 6C10 tubes in the pre-amp, NOT solid State. The Original Vintage is watts, whereas the and the are only 50 watts The original Classic was a 50 watt amp and two inch speakers and a spring reverb, with two preamps for "clean" and "distortion" channels. They could be used separately, or by plugging the instrument into the "parallel" connection, which fed both preamps, allowing selection of one from the other using a foot switch.
In the decade of the '80s, serial numbers were made up of a 2 digit prefix and an 8 digit serial following that. The prefix indicated the year of manufacture, followed by 8 digits in the rest of the serial number, which was the pattern. The first digit of the prefix was a number, indicating what year in the decade the piece was manufactured.