Knobloch has renamed its sets: the old series number (200–600) is gone, and each set is now identified by its letter code plus total tension in kilograms. Same strings, new labels — use this chart to convert.

Actives Double Silver
CX Carbon (ADC)

Current tensions: 33.5, 34, 34.5, 35.5, 36

Old New
300ADC ADC 33.5
400ADC ADC 34.0
500ADC ADC 34.5
550ADC ADC 35.5
600ADC ADC 36.0

Actives Double Silver
QZ Nylon (ADQ)

Current tensions: 33, 33.5, 34, 34.5, 35.5, 36

Old New
200ADQ ADQ 33.0
300ADQ ADQ 33.5
400ADQ ADQ 34.0
500ADQ ADQ 34.5
550ADQ ADQ 35.5
600ADQ ADQ 36.0

Actives Double Silver
SN Nylon (ADN)

Same six tensions as ADQ

Old New
200ADN ADN 33.0
300ADN ADN 33.5
400ADN ADN 34.0
500ADN ADN 34.5
550ADN ADN 35.5
600ADN ADN 36.0

Tension key: 33.0 Low · 33.5 Medium · 34.0 Medium-High · 34.5 High · 35.5 Extra-High · 36.0 Super-High

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