Difference between revisions of "Throw Over Distance"

From Bose Portable PA Encyclopedia
Jump to: navigation, search
m
m
 
(11 intermediate revisions by the same user not shown)
Line 2: Line 2:
 
|RightHead = Summary
 
|RightHead = Summary
 
|RightBody =  
 
|RightBody =  
 +
<!--
 +
{{Editorial ST
 +
|Author = [[User:ST|ST]]
 +
|discussion page = [https://twitter.com/ST_Muso/status/1403200671810260992 Twitter @ST_Muso] or [https://www.linkedin.com/feed/update/urn:li:activity:6808966362778664960/ LinkedIn STPro]
 +
}}
 +
-->
 
These are projections and estimates based on previously published data from Bose.
 
These are projections and estimates based on previously published data from Bose.
 +
<br>
 +
Assumptions:
 +
* All values are calculated at 2 kHz
 +
* S1 Pro, L1 Compact, L1 Pro8, F1 Model 812 have a critical distance<ref name=critical>Distance at which the loudspeaker behaves as a point-source with drop-off over distance of -6 dB SPL for every doubling of distance</ref> of 0 meters/feet<ref name=video>Critical distances for L1 Pro8/Pro16/Pro32 Source: 13:25 [https://www.youtube.com/embed/vI5xHbKB9TE?start=805 Which L1 Pro Portable System is Right for You?]</ref>
 +
* L1 Model 1S and L1 Pro16 have a critical distance<ref name=critical></ref> of approximately 3 meters (10 feet)<ref name=video></ref>
 +
* L1 Model II and L1 Pro32 have a critical distance<ref name=critical></ref> of approximately 10 meters (33 feet)<ref name=video></ref>
 +
 +
Comments and discussion at [https://twitter.com/ST_Muso/status/1403200671810260992 Twitter @ST_Muso] or [https://www.linkedin.com/feed/update/urn:li:activity:6808966362778664960/ LinkedIn STPro]
 +
 
|Categories =
 
|Categories =
  
Line 13: Line 28:
 
[[Category:S1 Pro]]
 
[[Category:S1 Pro]]
 
}}
 
}}
 +
 +
== L1 Pro Throw Over Distance ==
 +
This is the chart used to estimate critical distance and drop-off over distance. The source is 13:25 [https://www.youtube.com/embed/vI5xHbKB9TE?start=805 Which L1 Pro Portable System is Right for You?]
 +
 +
[[File:L1 Pro Throw over Distance.jpg|1366px|Throw Over Distance]]
  
 
== L1 Pro Compared to L1 Legacy ==
 
== L1 Pro Compared to L1 Legacy ==
Line 20: Line 40:
 
* L1 Pro16 will be +6 dB SPL higher than the L1 Model 1S (beyond 2 meters)
 
* L1 Pro16 will be +6 dB SPL higher than the L1 Model 1S (beyond 2 meters)
 
* L1 Model II will be +3 dB SPL higher than the L1 Pro16 (beyond 4 meters)
 
* L1 Model II will be +3 dB SPL higher than the L1 Pro16 (beyond 4 meters)
 +
* L1 Pro32 will be +7 to +10 dB SPL higher than the L1 Pro16 (beyond 4 meters)
 
* L1 Pro32 will be +7 dB SPL higher than the L1 Model II at any distance
 
* L1 Pro32 will be +7 dB SPL higher than the L1 Model II at any distance
  
[[File:L1 Pro Throw over Distance vs Legacy.jpg]]
+
The table below is adapted from the chart from Bose<ref name=video></ref> and previously published data.
  
The table above is adapted from the chart from Bose below and previously published data.
+
[[File:L1 Pro Throw over Distance vs Legacy.jpg|1366px|Throw Over Distance L1 Pro vs. L1 Legacy]]
 
 
== L1 Pro Throw Over Distance ==
 
 
 
[[File:L1 Pro Throw over Distance.jpg]]
 
  
  
Line 41: Line 58:
 
* L1 Pro32 will be +7 dB SPL higher than the L1 Model II at any distance
 
* L1 Pro32 will be +7 dB SPL higher than the L1 Model II at any distance
 
* F1 812 is +4 dB SPL higher than the L1 Pro32 but the drop-off over distance is greater. The result: Beyond 6 meters (20 feet) the L1 Pro32 has higher SPL.
 
* F1 812 is +4 dB SPL higher than the L1 Pro32 but the drop-off over distance is greater. The result: Beyond 6 meters (20 feet) the L1 Pro32 has higher SPL.
[[File:Throw Over Distance All Models.jpg]
+
 
 +
The table below is adapted from the chart from Bose<ref name=video></ref> and previously published data.
 +
 
 +
[[File:Throw Over Distance All Models.jpg|1366px|Throw Over Distance All Models]]
  
  

Latest revision as of 14:03, 12 June 2021


Summary

These are projections and estimates based on previously published data from Bose.
Assumptions:

  • All values are calculated at 2 kHz
  • S1 Pro, L1 Compact, L1 Pro8, F1 Model 812 have a critical distance[1] of 0 meters/feet[2]
  • L1 Model 1S and L1 Pro16 have a critical distance[1] of approximately 3 meters (10 feet)[2]
  • L1 Model II and L1 Pro32 have a critical distance[1] of approximately 10 meters (33 feet)[2]

Comments and discussion at Twitter @ST_Muso or LinkedIn STPro

L1 Pro Throw Over Distance

This is the chart used to estimate critical distance and drop-off over distance. The source is 13:25 Which L1 Pro Portable System is Right for You?

Throw Over Distance

L1 Pro Compared to L1 Legacy

Assuming that all systems are run at their rated maximum outputs:

  • L1 Pro8 will be +6 dB SPL higher than the L1 Compact at any distance
  • L1 Model 1S will be +3 dB SPL higher than the L1 Pro8 at any distance
  • L1 Pro16 will be +6 dB SPL higher than the L1 Model 1S (beyond 2 meters)
  • L1 Model II will be +3 dB SPL higher than the L1 Pro16 (beyond 4 meters)
  • L1 Pro32 will be +7 to +10 dB SPL higher than the L1 Pro16 (beyond 4 meters)
  • L1 Pro32 will be +7 dB SPL higher than the L1 Model II at any distance

The table below is adapted from the chart from Bose[2] and previously published data.

Throw Over Distance L1 Pro vs. L1 Legacy


All Models

Assuming that all systems are run at their rated maximum outputs:

  • L1 Compact will be +6 dB SPL higher than the S1 Pro at any distance
  • L1 Pro8 will be +6 dB SPL higher than the L1 Compact at any distance
  • L1 Model 1S will be +3 dB SPL higher than the L1 Pro8 at any distance
  • L1 Pro16 will be +6 dB SPL higher than the L1 Model 1S (beyond 2 meters)
  • L1 Model II will be +3 dB SPL higher than the L1 Pro16 (beyond 4 meters)
  • L1 Pro32 will be +7 dB SPL higher than the L1 Model II at any distance
  • F1 812 is +4 dB SPL higher than the L1 Pro32 but the drop-off over distance is greater. The result: Beyond 6 meters (20 feet) the L1 Pro32 has higher SPL.

The table below is adapted from the chart from Bose[2] and previously published data.

Throw Over Distance All Models



  1. 1.0 1.1 1.2 Distance at which the loudspeaker behaves as a point-source with drop-off over distance of -6 dB SPL for every doubling of distance
  2. 2.0 2.1 2.2 2.3 2.4 Critical distances for L1 Pro8/Pro16/Pro32 Source: 13:25 Which L1 Pro Portable System is Right for You?