Difference between revisions of "PS1 Power Stand / Bass Line Out"
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== Bass Line Out and B1 behavior == | == Bass Line Out and B1 behavior == | ||
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Hilmar-at-Bose<ref>Hilmar-at-Bose [http://bose.infopop.cc/eve/forums/a/tpc/f/3976055944/m/6121039062/r/2641067362#2641067362 A1 PackLite Questions and More Bass Talk]</ref>. | Hilmar-at-Bose<ref>Hilmar-at-Bose [http://bose.infopop.cc/eve/forums/a/tpc/f/3976055944/m/6121039062/r/2641067362#2641067362 A1 PackLite Questions and More Bass Talk]</ref>. | ||
This is based on the design goal that “You should always sound the same; no matter how much Bass stuff is attached” I can try to explain my view of why this is a good design goal (of which you may disagree) but let’s look at the actual behavior first. | This is based on the design goal that “You should always sound the same; no matter how much Bass stuff is attached” I can try to explain my view of why this is a good design goal (of which you may disagree) but let’s look at the actual behavior first. | ||
Revision as of 23:34, 4 September 2007
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Bass Line Out and B1 behavior
Hilmar-at-Bose[1]. This is based on the design goal that “You should always sound the same; no matter how much Bass stuff is attached” I can try to explain my view of why this is a good design goal (of which you may disagree) but let’s look at the actual behavior first.
Without Bass Line out
- 1 x B1: 40Hz-180Hz, B1 specific EQ, some nominal gain that we call 0dB
- 2 x B1: 40Hz-180Hz, B1 specific EQ, -6dB as compared to nominal
With Bass Line Out
- 0 x B1 connected to Power Stand: 40Hz-180 Hz, flat, roughly the same gain as 2 B1
- 1 x B1 connected to Power Stand: 40Hz-180Hz, B1 specific EQ, -6dB as compared to nominal
- If you use a PackLite® power amplifier model A1 Extended Bass Package this is a total of 3 B1s
- 2 x B1 connected to Power Stand: 40Hz-180Hz, B1 specific EQ, -12dB as compared to nominal
- If you use a PackLite® power amplifier model A1 Extended Bass Package this is a total of 4 B1s
What this complex behavior does is the following. No matter if you attach 1, 2, or 4 B1s, you will get pretty much the same balance between all combined B1s and the L1s. It’s a little off for 3, 5, 6, 7 & 8 B1s, but still reasonably close.
It’s true that the user doesn’t have to re-EQ our systems if you add more B1s or even a PackLite with another pair of B1s. But that’s unique to our system, because we were actively measuring the number of B1s attached. So re-EQ is required, but the system is doing it by itself without any user involvement required. [2]
With More Than 4 B1s
A little more insight. [3] We actually can't measure the exact number of PackLites, so there is a slight error if you use anything but 1,2, or 4 B1s. For 6 B1s you will be 3.5 dB bass heavy, for 8 B1s it'll be 6 dB. However, these are rare cases, and if you go through the trouble to hook up 8 B1s, I guess you are actually looking for something more bass heavy.
Don't ask how I know.
- ↑ Hilmar-at-Bose A1 PackLite Questions and More Bass Talk
- ↑ Hilmar-at-Bose Third Party Woofers
- ↑ Hilmar-at-Bose Third Party Subwoofers