BS 4669:1971

BS 4669:1971

Superseded Historical

Specification for an artificial ear of the wide band type for the calibration of earphones used in audiometry

€77.00

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BS 4668:1971

BS 4668:1971

Superseded Historical

Specification for an acoustic coupler (IEC reference type) for calibration of earphones used in audiometry

€77.00

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IEC 60094:1968/AMD1:1971

IEC 60094:1968/AMD1:1971

Superseded Historical

Amendment 1 - Magnetic tape recording and reproducing systems: Dimensions and characteristics

€22.00

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IEC 60268-14:1971

IEC 60268-14:1971

Superseded Historical

Sound system equipment - Part 14: Mechanical design features

€22.00

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IEC 60268-2:1971

IEC 60268-2:1971

Superseded Historical

Sound system equipment - Part 2: Explanation of general terms

€44.00

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IEC 60373:1971

IEC 60373:1971

Superseded Historical

An IEC mechanical coupler for the calibration of bone vibrators having a specified contact area and being applied with a specified static force

€44.00

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IEC 60327:1971

IEC 60327:1971

Superseded Historical

Precision method for pressure calibration of one-inch standard condenser microphones by the reciprocity technique

€127.00

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NF C97-030 (09/1970)

NF C97-030 (09/1970)

Superseded Historical

Échelles des graphiques pour le tracé des courbes de réponse en fréquence des appareils électroacoustiques

€34.00

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DIN 45633-1:1970-03

DIN 45633-1:1970-03

Superseded Historical

Precision sound-level-meter

€41.78

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IEC 60268-1A:1970

IEC 60268-1A:1970

Superseded Historical

Supplement A - Sound system equipment - Part 1 : General

€11.00

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IEC 60268-3A:1970

IEC 60268-3A:1970

Superseded Historical

Supplement A - Sound system equipment - Part 3: Sound systems amplifiers

€11.00

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IEC TR 60303:1970

IEC TR 60303:1970

Withdrawn Most Recent

IEC provisional reference coupler for the calibration of earphones used in audiometry

€22.00

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IEC 60318:1970

IEC 60318:1970

Superseded Historical

An IEC artificial ear, of the wide band type, for the calibration of earphones used in audiometry

€44.00

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DIN 45633-2:1969-11

DIN 45633-2:1969-11

Superseded Historical

Additional requirements for the extension of the precision sound level meter to an impulse sound level meter

€24.39

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IEC 60268-3:1969

IEC 60268-3:1969

Superseded Historical

Sound system equipment - Part 3: Sound systems amplifiers

€418.00

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