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A Series Active Monitor Speakers

Date printed: 29.02.00 Service E4/19

4.4.1.10 A3: Limiter Threshold

• Disconnect all dummy load resistors;

Steps Generator Measurement

No. Description Id Value Test pos. Type Value Limits

1 HF limiter G1 +15 dBV/10 kHz/sine wave M1 * Level +15 dBV ±2 dBV

2 LF limiter G1 +15 dBV/100 Hz/sine wave M1 * Level +9.2 dBV ±2 dBV

* Red Alarm LED must be on, and the Mw and Mt output levels must be reduced.

4.4.1.11 A3: Overheat Protection Check

• Connect Rdt (22 kΩ) according to the diagram in section 4.4;

• The red Alarm LED must come on;

• The Mw and Mt signals must be muted.

Limiter Threshold

+40

+10

+20

+30

[dBV]

20 k

50 100 200 500 1 k 2 k 5 k 10 k

[Hz]

Studer A1 User Manual

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