Quad ESL Serial Numbers


Ever wondered when your speakers were made ? This table lists speaker serial numbers against year of manufacture. The source of this information is a former Quad employee.

ESL Serial Number Year of Manufacture
1 - 20001958
2000 - 40001959
4000 - 60001960
6000 - 80001961
8000 - 100001962
10000 - 120001963
12000 - 140001964
14000 - 160001965
16000 - 180001966
18000 - 200001967
20000 - 220001968
22000 - 240001969
24000 - 260001970
26000 - 280001971
28000 - 300001972
30000 - 320001973
32000 - 350001974
35000 - 385001975
38500 - 410001976
41000 - 440001977
44000 - 474001978
47400 - 503001979
50300 - 521001980
52100 - 528001981
52800 - 530001982
53000 - 531501983
53150 -1984


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