Bose Acoustimass 10 Series I Handmatig - Pagina 9
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7. Crossover Test
7.1 Both woofer harnesses should be
disconnected. Connect an 8.2Ω resistive
load to the cube speaker output being
tested. Apply a 1Vrms signal to the input at
the frequency listed in the following table.
Reference a dB meter to the applied signal.
Measure the output listed in the following
table.
Input/Output
Frequency
Left or Right
200Hz
Left or Right
Center, Left and
200Hz
Right Surround
Center, Left and
Right Surround
Note: If the Crossover fails any of these
tests, refer to the table below.
Input/Output
Frequency
Left or Right
C11,12 Left Channel
200Hz
C31, 32 Right Channel
Left or Right
C13, L11, R11 Left Channel
2kHz
C33, L31, R31 Right Channel
Center, Left and
C21, C22 Center Channel
Right Surround
C41, C42 Left Surr Channel
200Hz
C51, C52 Right Surr Channel
Center, Left and
C23, L21, R21 Center Channel
Right Surround
C43, L41, R41 Left Surr Channel
2kHz
C53, L51, R51 Right Surr Channel
TEST PROCEDURES
Min
Max
(dB)
(dB)
-6
-4
2kHz
-4.9
-3.8
-1.5
-0.5
2kHz
-2.2
-0.8
Check
9