Ampeg serial dating

Ampeg serial dating


Ampeg serial dating

A variation on Europe?

For example, a Duette with serial number 710201 was made in 1957 (7 during ampeg serial dating October (10 and was possibly the 201st amp made that month. Electronic Industries Association (EIA) codes can also be very useful for giving clues as to an amp's age. A final cross check with EIA dated components should remove any doubt about an made during the period. Caution is needed for dating amps from 1953, 1954, 1955, and 1960.

This system overlapped with the previous serialization scheme for a period of about 6 months. W worldwide Y Europe Digit 5 Year where: A 1988 B 1989 C 1990, etc. Digit 6 Month where: 1 through 9 January through September 0 October A November B December Digits 7, 8, 9, 10 serial number. For example, a Duette with serial number 710201 was made in 1957 (7 during October (10 and was possibly the 201st amp made that month. 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-22 and V-4. Another check for a 1960 versus a 1965 or later serial number (i.e.

Unfortunately, the serial numbers are of little help for dating one of these pre-, ampeg models and EIA date codes on components were used sporadically during the early post WW-II years. Capacitors: Pyramid (472 Cornell-Dubilier (34 transformers: Acrosound (878 Stancor (138 Electrical Windings (682 Todd Electric.

Gear: SVT-VR "Ampeg is something you can't live with out. Enough information (serial numbers, model, date codes) has been gathered to prepare the following guide for dating by serial number.

Dating Ampeg Amplifiers : Ampeg m All Ampeg All

M2000, n2001 etc, digit 6 Month where: 1 through 9 January through September 0 October, a November, b December. Help keep m alive! Robert Trujillo (Metallica gear: SVT-CL "Power, performance and ampeg serial dating reliability.

Nevertheless, for dating purposes, the serial number provides adequate information during this period. Pots: CTS (137 Stackpole (304 pre-1953, the Michael-Hull amplifiers can be narrowed down to a date of manufacture between 19These amps used a serial number system that was not used by any Ampegs. 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".

Likewise, an Ampeg from 1954 would not be covered in blue check vinyl whereas an amp from 1964 would have this covering. The E is what? However, all MTI-era Ampegs were made in the relatively short time period between late 19Post-1984 The modern Ampegs of the. The serial number can be broken down as follows: Digits 1, 2, 3 Model, digit 4 Country Code where:.K. A brief summary of the EIA system follows.

Ampeg Serial Number Date Code

Digits 7, 8, 9, 10 serial aa members dating each other number bSO/b my question relates to a 1x15 cab that I picked up off Zombywoof from these pages. (926 Standard Electric Products aa members dating each other (668). Feature, years Used, blue control panel graphics, black control panel graphics with square corners.

Ampeg interesting dating questions to ask a girl may very well have used 100 or 101 as the starting point during slow production periods. The M-12 Mercury circuit of 1960 used 6V6 power tubes, but the Mercury circuit of 19As.

And is this an April 1996 model? The code usually consists of 6 or 7 digits such as 137634 where the first two or three digits is the EIA code for the manufacturer (137 denotes CTS the fourth digit and sometimes fifth digit denotes the year (in this case it could. Therefore, do not poke around in your old Ampeg if you are unfamiliar with amplifier electronics or their operation. Ampeg may very well have used 100 or 101 as the starting point during slow production periods. Serial Number Range, year 000001 to to to to to The third serial number system was implemented in 1970.

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