Dr Z Dr Z Amplification, Maple Heights, Ohio USA. Amps and effects made in the USA.

Dating Dr Z amps

Our serial number works like this:

R-10508

R (year) = 2007

10 (model) =Rt 66

508 (number) = 508th one made.

Make sense? Year A = 1990.  [Source: Brent Ferguson, Sales Manager, Dr. Z Amplification 5/2/2007]

Dr Z amps pricelists from Wayback Machine:

Dr Z 1999 retail pricelist

Dr Z 2002 retail pricelist

Dr Z 2005 retail pricelistDr Z Amplifier Head