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SSPL 90 Curve
- Input: 90
- Frequency: 200-5000
- Gain Control: Full on
- Presentation: Curve State Maximum Value dB
- Tolerance Requirements: No more 3dB above mfr. stated value
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HFA SSPL90
- Input: 90
- Frequency: 1000, 1600, 2500
- Gain Control: Full on
- Presentation: Value dB, 3 frequency avg
- Tolerance Requirements: Mfr specified value +- 4dB
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HFA Full-On Gain or SPA Full-On Gain
- Input: 60 or 50
- Frequency: 1000, 1600, 2500 or SPA frequencies
- Gain Control: Full on
- Presentation: Value dB, 3 frequency avgTolerance Requirements: Mfr specified value +- 5dB
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Frequency Response
- Input: 60 or 50
- Frequency: 200-5000
- Gain Control: Ref Test Gain Control Pos.
- Presentation:
- Requirements: +-4 dB in low band, +- 6dB in high band
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Frequency Range
- Input: 60
- Frequency: 200-5000 line 20dB below 3 freq avg
- Gain Control: Reference Test Position
- Presentation: State f1 (low limit) and f2 (high limit) Requirements: For Information Only
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Total Harmonic Distortion
- Input: 70
- Frequency: 500, 800, 1600
- Gain Control: Reference Test Position
- Presentation:
- Tolerance Requirements: No more than 3 dB above mfr specified value
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Equivalent Input Noise Level
- Input: 60
- Frequency: 1000, 1600, 2500
- Gain Control: Reference Test Position
- Presentation: Value (mA)
- Tolerance Requirements: No more than 20% above mfr specified value
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Battery Current
- Input: 65
- Frequency: 1000
- Gain Control: Reference Test Position
- Presentation: Value (mA)
- Requirements:No more than 20% above mfr specified value
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Telephone Pickup (induction coil)
- Input: 10 mA/m rms magnetic field
- Frequency: 1000
- Gain Control: Full on
- Presentation: Greatest Value dB
- Tolerance Requirements: Within +-6 dB of mfr specified value
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Input-Output Curves
- Input: 50 to 90 in 10dB steps
- Frequency: 2000
- Gain Control: Full on
- Presentation:Curve Input= abscissa, Curve Output= ordinate
- Tolerance Requirements: Match specified and measured curves at 70 dB input then to be within +- 5dB of specified value
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Attack and Release Times
- Input: Abruptly alternating between 55 and 80 dB
- Frequency: 2000
- Gain Control: Full On
- Presentation: values (ms)
- Tolerance Requirements: Mfr specified values +- 5 ms or +-50% whichever is larger
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