The horns with the "E" in the serial number use the European concert intonation standard of A=442hz.

  • 1976 Catalog and Price List 1976 Catalog and Price List
  • Bb Soprano (straight) 27527E (1977) Bb Soprano (straight) 27527E (1977)
  • Bb Tenor - sn 32075 - 1981 - Lacquer - From heidelberg-smurf on eBay.de Bb Tenor - sn 32075 - 1981 - Lacquer - From heidelberg-smurf on eBay.de
  • Eb Alto 31426E Eb Alto 31426E
  • Eb Alto Serial # ? Eb Alto Serial # ?
  • Eb Alto Serial # ? Eb Alto Serial # ?
  • Eb Alto 23xxx (1975) Eb Alto 23xxx (1975)
  • Eb Alto 29xxx Eb Alto 29xxx
  • Straight Bb Soprano 25369 Straight Bb Soprano 25369