Template:Bass Line Out: Difference between revisions

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Output if no {{B1}}s detected

* 40-{{{Crossover|180}}} Hz Bandpass (that is: NO B1 EQ)

* The crossover is unchanged (180 Hz for the Classic or Model I and 200 Hz for the Model II)

If one or two {{B1}}s detected (or resistors used across NL4 2+ / 2- pins to emulate detection)

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Hilmar

[http://bose.infopop.cc/eve/forums/a/tpc/f/3976055944/m/6121039062?r=6031049362#6031049362 Source: Hilmar-at-Bose]

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[http://bose.infopop.cc/eve/forums/a/tpc/f/1506041054/m/717103866?r=396109476#396109476 Hilmar talks about the crossvover]

If you don't plug in a B1 and connect a powered sub to the bass line out, the cross over will be at 180 Hz and the "Bass Line Out" will deliver a flat 40Hz to 180 Hz signal. The 110 Hz is only used when there is no B1 AND nothing connected to the "Bass Line Out". In this case we assume that the L1s have to provide full bandwidth to the besy of their ability.

The only way to find out whether 4 B1s or 1 SRS1500 is louder is to put them up side by side and measure them (which we haven't done yet). MAX SPL specifications are notoriously unreliable and depend heavily on the exact measurement method so unfortunately we can't use them to compare. My guess is that given size and weight the SRS1500 should be a little louder than 4 B1 bass modules.

Hope that helps

Hilmar

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@@ Line 137: / Line 137: @@
 Output if no {{B1}}s detected
 * 40-{{{Crossover|180}}} Hz Bandpass (that is: NO B1 EQ)
+* The crossover is unchanged (180 Hz for the Classic or Model I and 200 Hz for the Model II)
 If one or two {{B1}}s detected (or resistors used across NL4 2+ / 2- pins to emulate detection)
@@ Line 243: / Line 244: @@
 Hilmar
 [http://bose.infopop.cc/eve/forums/a/tpc/f/3976055944/m/6121039062?r=6031049362#6031049362 Source: Hilmar-at-Bose]
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+<!--
+[http://bose.infopop.cc/eve/forums/a/tpc/f/1506041054/m/717103866?r=396109476#396109476 Hilmar talks about the crossvover]
+If you don't plug in a B1 and connect a powered sub to the bass line out, the cross over will be at 180 Hz and the "Bass Line Out" will deliver a flat 40Hz to 180 Hz signal. The 110 Hz is only used when there is no B1 AND nothing connected to the "Bass Line Out". In this case we assume that the L1s have to provide full bandwidth to the besy of their ability.
+The only way to find out whether 4 B1s or 1 SRS1500 is louder is to put them up side by side and measure them (which we haven't done yet). MAX SPL specifications are notoriously unreliable and depend heavily on the exact measurement method so unfortunately we can't use them to compare. My guess is that given size and weight the SRS1500 should be a little louder than 4 B1 bass modules.
+Hope that helps
+Hilmar
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