Bose AMPLUS 50 User Manual

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AMPLUS™ 50 TEST PROCEDURES
2. Frequency Response Tests;
Source Input to 70/100V Speaker
Output
2.1 Set up the unit as listed in the Test
Setup Notes section.
2.2 Reference a dB meter to the input
level and perform the 1kHz Response
Test as listed in Table 11.
2.3 Reference a dB meter to the output
level. This is the reference level.
2.4 Perform the 60Hz and 10kHz
Response tests as listed in Table 11.
3. Total Harmonic Distortion (THD) Test;
Source Input to 70/100V Speaker
Output
3.1 Set up the unit under test as listed in
the Test Setup Notes section.
3.2 Apply a 100mVrms, 1kHz signal to both
Channel 1 and 2 Source Inputs and
measure the Total Harmonic Distortion at
the 70V/100V Speaker Output.
It should be 0.2% + 0.8%.
4. Noise Test;
Source Input to 70/100V Speaker
Outputs
4.1 Set up the unit under test as listed in
the Test Setup Notes section.
4.2 With no input signal applied, measure
the noise level in the bandwidth of 20Hz to
16kHz.
4.3 Noise level should be
-50dBV + 10.0dBV.
5. 70/ 100V Speaker Output Full Power
Test
5.1 Set up the unit under test as listed in
the Test Setup Notes section.
5.2 Apply a 280mVrms, 1kHz signal to both
Channel 1 and 2 Source Inputs.
5.3 Using a DMM, measure the output
level at the 70V/ 100V Speaker Output.
5.4 Output level should be 70Vrms
± 5.0V for 100/ 120V models.
5.5 Output level should be 100Vrms
± 7.0V for 220/ 240V models.
6. Power Amplifier Limiter Test
6.1 Set up the unit under test as listed in
the Test Setup Notes section.
6.2 Apply a 175mVrms (balanced inputs),
or 95mVrms (unbalanced inputs), 95Hz
signal to both Channel 1 and 2 Source
Inputs.
6.3 Using a DMM, measure the level at
the 70/ 100V Speaker Output jack.
6.4 The output level should be 70Vrms
± 5.0V with 1.0% + 2.0% THD for
100/ 120V models.
6.5 The output level should be 100Vrms
± 7.0V with 1.0% + 2.0% THD for
220/ 240V models.

Bose AMPLUS 50 Specifications

General

Brand	Bose
Model	AMPLUS 50
Category	Amplifier
Language	English