Ampeg amp serial number dating
Shortly after World War II, American electronic component manufacturers began to stamp a semi-standardized code into the parts they produced. The code contained information regarding the manufacture and date of production. These codes have been used on components including potentiometers pots , transformers, capacitors, tubes, and speakers. The code usually consists of 6 or 7 digits such as where the first two or three digits is the EIA code for the manufacturer denotes CTS , the fourth digit and sometimes fifth digit denotes the year in this case it could be , 66, or 76 , and the last two digits denote the week of the year.
It is important to note that parts do not always contain EIA codes, especially those parts from the late s and early s. The Ampegs made between and did not have serial numbers and must be dated in the same way as the Michael-Hull models, specifically, by finding the EIA date codes on pots, transformers, multi-section "can" capacitors, and speakers. For example, a Duette with serial number was made in 7 , during October 10 , and was possibly the st amp made that month.calakevaga.cf
Anyone know their stuff on Ampeg Serial Numbers? - Amps and Cabs - Basschat
A Super Echo Twin with serial number was made in 4 , during April 04 and may have been the th amp made that month Caution is needed for dating amps from , , , and The serial numbers from these years were duplicated in , , , and , respectively. Taking the example Super Echo Twin above, its serial number alone could denote April or April A Mercury with serial number could be from September or it could be from the second serial number system implemented in Luckily, it is very easy to determine which year the first digit denotes.
It sounds good and feels solid. All comparing head on ebay that I've found are selling for about the same amount; only it's just the head, no cab. It seems like a decent deal. That's a terrible deal. Please send me the seller's contact information.
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Alrighty I take that as a "go for it". That's almost as bad as people eating ice cream infront of me saying "this is terrible!
Here's a similar head without the cab. Google is my friend Not enough information was available to the authors to determine year of manufacture by serial number. An added variable is that during the Magnavox years, Ampeg may have used separate serial number systems for each model or for models that shared the same chassis like the VT and V Until such time that enough information is available to date s Ampegs by serial number, the features of the amps from this period can be used and compared to the following table.
Feature Years Used Blue control panel graphics - Black control panel graphics with square corners - Black control panel graphics, horizontally split with rounded corners solid state amps - Black control panel graphics, horizontally split with rounded corners tube amps - Distortion control knob - White rocker switches solid state amps - White rocker switches tube amps - Black rocker switches - Metal "a" logo - Plastic "a" logo - - The MTI-era amplifiers cannot be dated by serial number.
However, all MTI-era Ampegs were made in the relatively short time period between late and Tim, you've always got to spoil it However, all MTI-era Ampegs were made in the relatively short time period between late and Tim, you've always got to spoil it Just re-read your post.
How to Date Ampeg Amplifiers
I bet its a pre that caught fire and was refitted with a new plate and white switches. Maybe its a Fankempeg. Acoustic Control Corp had the courtesy to spray paint a manufacturing date inside the cabinet.
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- Anyone know their stuff on Ampeg Serial Numbers? - Amps and Cabs - Basschat!
Any such luck with Ampeg? Looks just like mine. Although the grill cloth may be newer. Previous Topic Index Next Topic. Bob Gollihur , rumpelstiltskin.
Print Topic Switch to Threaded Mode. You are not logged in. Ampeg SVT; What year is this thing? Yeah, go straighten that dude out.