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PRV full range drivers
PRV full range drivers
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Old 2nd October 2019, 04:18 PM   #1
halo71 is offline halo71  United States
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Default PRV full range drivers

Been interested in building a pair of full range speakers. And the 10" full range driver by PRV. That Parts Express sells caught my eye.

Anyone used these drivers before? Or have suggestions for a first build using full range drivers?



Product Specifications
Nominal Diameter10"Power Handling (RMS)150 Watts
Power Handling (max)300 WattsImpedance8 ohms
Frequency Response60 to 14,000 HzSensitivity100 dB 2.83V/1m
Voice Coil Diameter2"

Thiele-Small Parameters
Resonant Frequency (Fs)60.12 HzDC Resistance (Re)5.4 ohms
Voice Coil Inductance (Le)0.27 mHMechanical Q (Qms)15.57
Electromagnetic Q (Qes)0.68Total Q (Qts)0.65
Compliance Equivalent Volume (Vas)1.67 ft.³Mechanical Compliance of Suspension (Cms)0.216 mm/N
BL Product (BL)9.78 TmDiaphragm Mass Inc. Airload (Mms)32.1g
Maximum Linear Excursion (Xmax)4 mmSurface Area of Cone (Sd)394 cm²

Materials of Construction
Cone MaterialPaperSurround MaterialCloth
Voice Coil Wire MaterialCCAVoice Coil FormerKapton® / Polyimide
Basket / Frame MaterialSteelMagnet MaterialFerrite

Mounting Information
Overall Outside Diameter10.10"Baffle Cutout Diameter9.25"
Depth4.51"# Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
Sealed Volume2.09 ft.³Sealed F379.05 Hz
Vented Volume4.30 ft.³Vented F338.61 Hz

PRV Audio 10FR300PR 10" Professional Full-Range Speaker 8 Ohm
BrandPRV AudioModel10FR300PR
Part Number294-2888UPC602938021623
Product CategoryWoofersUnit of MeasureEA
Product Rating(4 Reviews)Weight8.25 lbs.

Last edited by halo71; 2nd October 2019 at 04:25 PM.
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Old 2nd October 2019, 04:30 PM   #2
xrk971 is online now xrk971  United States
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PRV full range drivers
Which model are you referring to? Only see 10in mid bass from PRV - not full range.

If you want a full range from PRV, I have used the 5MR450NDY. There is a good thread on that here:

PRV 5MR450-NDY for FAST/WAW applications

For first build with full range drivers, I would suggest a 0.40x scale Karlsonator with either a 3FE25 or TC9FD. If you want more bass, try 0.53x with dual 3FE26-16 in parallel or dual TC9FD in parallel. Both are wonderful sounding. The little 0.40x scale with a single driver is very high bang for the buck, and easy to make. Make it out of foamcore board if this is your first full range project. No tools or sawdust. Cheap and sounds great.

Mini Karlsonator (0.53X) with Dual TC9FD's

Edit: just saw that you updated post with model number - 10FR300PR. This is a new one to me. Super high sensitivity but with a dramatic rising response and peak at 10kHz. This would lend itself well to a front loaded horn to balance that out. But without a horn, that 113dB (at 2.83v) peak will need a shelving filter or it will rip your ears off with shout when played loud.

https://www.parts-express.com/pedocs...spec-sheet.pdf

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PRV full range drivers-88e6f665-b312-40c5-be85-99541721c7ae-jpeg
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File Type: jpeg 88E6F665-B312-40C5-BE85-99541721C7AE.jpeg (172.0 KB, 894 views)
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Last edited by xrk971; 2nd October 2019 at 04:39 PM.
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Old 2nd October 2019, 04:42 PM   #3
halo71 is offline halo71  United States
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the driver PE sells....PRV Audio 10FR300PR 10" Professional Full-Range Speaker 8 Ohm
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Old 2nd October 2019, 11:58 PM   #4
GM is offline GM  United States
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Quote:
Originally Posted by xrk971 View Post
Edit: just saw that you updated post with model number - 10FR300PR. But without a horn, that 113dB (at 2.83v) peak will need a shelving filter or it will rip your ears off with shout when played loud.
Guess one could listen ~50 deg off axis.

GM
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Old 3rd October 2019, 02:22 AM   #5
tomtt is offline tomtt
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PRV Audio 10FR300PR 10" Professional Full-Range Speaker 8 Ohm


These are quite interesting ......
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Old 3rd October 2019, 10:48 AM   #6
halo71 is offline halo71  United States
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Originally Posted by tomtt View Post
These are quite interesting ......
Same thing I was thinking.
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Old 4th October 2019, 08:32 AM   #7
GM is offline GM  United States
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Greets!

Did some cab sims awhile back and the recommended reflex is a ~39 Hz max flat alignment, though due to having a bit too weak a motor [high Qts] needs some stuffing to smooth it out plus needs to be at least up against a good/solid wall to reach 105 dB peaks/8 W down low [no BSC required], so converted it into a MLTL to get some added vent damping, driver up to ear height.

Doesn't really increase peak performance other than much less damping, shorter vent required, so less likely to sound 'muffled' IME. All in all, should be a pretty decent performer for most folks, music genres and the price is right too.

As for the top end, that's what EQ and/or whizzer tweaking is for and recommend doing at least the $0.98 Lowther tweak: Modifications

38" ear height assumes 1.5" thick base, all dims inside [i.d.] and approximate:

L = 142.4 cm

WxD = 870.25 cm^2

driver offset = 49.7 cm

vent offset = 120.76 cm

Av = 81.07 cm^2 [10.16 cm/4" dia.]

Lv = 3.6 cm

stuffing density = .212 Kg total [concentrated in the driver area]

GM
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Old 6th October 2019, 03:20 AM   #8
kd1yt is offline kd1yt  United States
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I'm very interested to learn more about what peoples' experiences are with this driver. A friend of mine is interested in 'big but low cost' sound for a big indoor equestrian riding arena, and I've been kicking around the idea in my mind of mounting one of these in the middle of a 4x8 sheet of plywood, oriented long side horizontal (aiming to get rid of baffle step), with a sonotube well-braced off the back to get to the 4.30 cu ft that Parts Express says will give a lower f3 of 38hz.
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Old 6th October 2019, 05:28 AM   #9
GM is offline GM  United States
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Only know what the published specs tell me below its ~180 Hz upper mass corner and that a rectangular baffle's BSC point will be somewhere between its two sides, so will need [2] 4x8 shts. just to get it down to a ~90.5 Hz/F3, plenty good enough for PA.

GM
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Old 8th October 2019, 07:52 AM   #10
freddi is offline freddi  United States
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PRV full range drivers
FWIW had one stuffed into a little "K10" size scaled Karlson for a couple of years but not done much - -maybe I'll measure it with port open then blocked. although "throaty" from the small K, I don't remember it sounding as shrill as my AN10 in a reflex.

This PRV and assume the MISCO 6x9 should be fun.


Click the image to open in full size.

Last edited by freddi; 8th October 2019 at 08:16 AM.
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