PDM

PDM - PD Magnetics was founded shortly after Dupont invented chromium dioxide tape in 1970, and Philips joined in developing this improved tape. PD stands for Philips and Dupont. Philips then focused on its own brand. And Japanese brands like TDK and Maxell, unwilling to pay royalties to Dupont, developed and manufactured their own. PD Magnetics continued to manufacture tapes into the 1990s, but failed to capture significant market share.

Brand Manufacturer Model Description Type Length Year Made in Market
Compact Cassette PDM 1100 Metal 60 Type IV Metal 1981 Europe PDM Philips 1100 Metal Type IV Metal 60 1981 Netherlands Europe
Compact Cassette PDM 1100 Metal 60 Type IV Metal 1981 Europe PDM Philips 1100 Metal Type IV Metal 60 1981 Belgium Europe
Compact Cassette PDM 1100 Metal 90 Type IV Metal 1981 Europe PDM Philips 1100 Metal Type IV Metal 90 1981 Netherlands Europe
Compact Cassette PDM 500 Crolyn 60 Type II Chrome 1981 Europe PDM Philips 500 Crolyn Type II Chrome 60 1981 Netherlands Europe
Compact Cassette PDM 500 Crolyn 60 Type II Chrome 1981 Europe PDM Philips 500 Crolyn Type II Chrome 60 1981 Belgium Europe
Compact Cassette PDM 500 Crolyn 90 Type II Chrome 1981 Europe PDM Philips 500 Crolyn Type II Chrome 90 1981 Belgium Europe
Compact Cassette PDM 500 Crolyn 90 Type II Chrome 1981 Europe PDM Philips 500 Crolyn Type II Chrome 90 1981 Netherlands Europe
Compact Cassette PDM Ferro 60 Type I Normal 1981 Europe PDM Unknown Ferro Type I Normal 60 1981 Germany Europe
Compact Cassette PDM Ferro 90 Type I Normal 1981 Europe PDM Unknown Ferro Type I Normal 90 1981 Germany Europe
Compact Cassette PDM Tri-Oxide Ferro 60 Type I Normal 1981 Europe PDM Philips Tri-Oxide Ferro Type I Normal 60 1981 Belgium Europe
Compact Cassette PDM Tri-Oxide Ferro 60 Type I Normal 1981 Europe PDM Philips Tri-Oxide Ferro Type I Normal 60 1981 Netherlands Europe
Compact Cassette PDM Tri-Oxide Ferro 90 Type I Normal 1981 Europe PDM Philips Tri-Oxide Ferro Type I Normal 90 1981 Belgium Europe
Compact Cassette PDM Tri-Oxide Ferro 90 Type I Normal 1981 Europe PDM Philips Tri-Oxide Ferro Type I Normal 90 1981 Netherlands Europe
Compact Cassette PDM 1100 Metal 60 "HG" Type IV Metal 1983 Europe PDM ICM 1100 Metal HG Type IV Metal 60 1983 Switzerland Europe
Compact Cassette PDM 1100 Metal 90 "HG" Type IV Metal 1983 Europe PDM ICM 1100 Metal HG Type IV Metal 90 1983 Switzerland Europe
Compact Cassette PDM 500 Crolyn 60 Type II Chrome 1983 Europe PDM ICM 500 Crolyn Type II Chrome 60 1983 Switzerland Europe
Compact Cassette PDM 500 Crolyn 60 "HG" Type II Chrome 1983 Europe PDM ICM 500 Crolyn HG Type II Chrome 60 1983 Switzerland Europe
Compact Cassette PDM 500 Crolyn 90 Type II Chrome 1983 Europe PDM ICM 500 Crolyn Type II Chrome 90 1983 Switzerland Europe
Compact Cassette PDM 500 Crolyn 90 "HG" Type II Chrome 1983 Europe PDM ICM 500 Crolyn HG Type II Chrome 90 1983 Switzerland Europe
Compact Cassette PDM Ferro 90 Type I Normal 1983 Europe PDM Unknown Ferro Type I Normal 90 1983 Germany Europe