Amp dating / Hiwatt

Hiwatt amp dating

Enter the code or serial from your Hiwatt amplifier and we read it against Hiwatt’s own scheme to tell you the year it was built.

1 code format
BrandHiwatt

Can't read a digit? Type ? in its place. Looked-up serials are kept, never tied to you. How it works

Your answer appears here

Type the serial or code from the instrument. We read it as you type.

Example Hiwatt serials and how they read

Made-up serials in each of Hiwatt’s formats, read by the dater above.

SerialReads asFormat
31231972Chassis serial (1966-1984)

How Hiwatt amps date

  • Chassis serial (1966-1984)

More on Hiwatt amp codes

When the serial has no date

Where the serial cannot give a year, the transformer and speaker carry a date code that can. The pot and speaker code reader decodes it. This is one of the amps the amp dater covers.

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