PP10-M
10" Marine Power Pipe Subwoofer
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Inconspicuous by design, James’ PowerPipe Subwoofer offers a seamless fusion of visionary technology and revolutionary performance. James’ bandpass design produces a thunderous performance while delivering smooth frequency response and tight transitions. Flexible tube allows for multiple port placement options. Rubber support straps suspend the PowerPipe between rafters, thus eliminating vibrations. Includes: (1) 10” Marine In-Wall Subwoofer Bandpass w/ 28" FlexPort with Architectural Port Mounting System.
25-120Hz +/-3dB
4 ohms
90dB 2.83V/1m
250 - 1000W
M1000
(1) 10" (254mm) Aluminum
Aircraft Marine Grade Aluminum
12.5 in (317.50 mm)
14 in (355.60 mm)
11.81 in (299.97 mm)
Product Documents
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Click photo for download image options
PP10-M - Available downloads
Title: PP10-M
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| 40.07 KB | 900x900 | PP10-M_Web_Front.jpg |
PP10-M - Available downloads
Title: 1000PTM under stairs
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| 102.42 KB | 900x900 | 1000PTM_Under_Stairs.jpg |
PP10-M - Available downloads
Title: PowerPipe Hidden Under Staircase
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| 69.68 KB | 600x900 | Stairs_PP.jpg |
PP10-M - Available downloads
Title: GALLERY Architectural-Hidden-LR_IMG_1555-copy.jpg
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| 425.72 KB | 2400x1600 | LR_IMG_1555-copy.jpg |
| 425.72 KB | 2400x1600 | IMG_1555-copy.jpg |
PP10-M - Available downloads
Title: PowerPipe floor vent installation
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| 95.08 KB | 900x900 | PP_floor_vent.jpg |
PP10-M - Available downloads
Title: Toekick in marble
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| 134.21 KB | 1191x900 | powerpipe_in_marble.jpg |
PP10-M - Available downloads
Title: PowerPipe Disguised as Ventilation Grate
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| 196.77 KB | 1121x900 | PP_Hidden_Theater.jpg |
PP10-M - Available downloads
Title: PowerPipe under outdoor BBQ
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| 154.13 KB | 480x480 | PT_under_BBQ.jpg |
PP10-M - Available downloads
Title: PowerPipe Outdoors
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| 166.21 KB | 1200x900 | under_stair_deck_3.jpg |
| 166.21 KB | 1200x900 | under_stair_deck_3.jpg |
PP10-M - Available downloads
Title: Powerpipe in a marine installation with custom wood grille
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| 82.76 KB | 675x900 | powerpipe-marine-1.jpg |
Category FAQs
We get at least one question per week about making a powerpipe tube longer or shorter, and ask if it is possible, or what the ramifications would be. It is important to realize that a powerpipe subwoofer is a completely integrated design including the transducer, enclosure and the tube, or port – it is a sophisticated tuned system. With that in mind, let’s look at how the tube, or port length, affects the performance. Powerpipes are a bandpass system, meaning their frequency response has a bandpass shape with a low frequency cutoff and a high frequency cut off.
In the graph below, the red curve is a perfectly tuned powerpipe. The 1W sensitivity is about 89dB, the lower -3dB point is around 25Hz and the upper -3dB point is 90 Hz – perfect for a subwoofer.
The two additional curves show the affect of using a tube which is half the correct length and twice the correct length. The longer tube (black curve) tunes the system much lower so some efficiency is lost, the lower cutoff has moved down, but so has the upper, and shape has tilted. The shorter tube (blue curve) has the opposite effect, raising the lower cutoff and raising the upper cutoff, while also raising the efficiency. Again, the curve is tilted but in the opposite direction. One thing not shown in the simulation is how much port noise is created in each tuning and at what frequency – so guessing which has the least audible affect is difficult.
So even though the tube lengths have been drastically altered, with judicial use of EQ and additional amplifier power, these 2 modified tubes might still be acceptable in an installation, so if you have no choice but to shorten or lengthen a tube by 50%, it might still work for you. But we recommended about a ±6-inch change to the tubes provided, which is always less than a 50% change.
If you need to run a very long distance, we can modify the port diameter and possibly get you the performance you need – please call the engineering group for more information.
Ph: +1.775.461.7500 | Fx: +1.775.461.7599
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