Hertz Mps 300 S2 Mille Pro Series 12 Inch Shallow-mount 2-ohm Component Subwoofer Owner's Manual

Hertz Mps 300 S2 Mille Pro Series 12 Inch Shallow-mount 2-ohm Component Subwoofer Owner's Manual

HERTZ logoMill PRO
OWNER’S MANUAL
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HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer -

MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer

Congratulations on purchasing our product. Your satisfaction is the first requirement that our products must meet: the same satisfaction as the one gained by those who long for experiencing the car audio emotion. This manual has been drawn to provide the main instructions required to install and use the system properly. However, the range of possible applications is wide; for further information, please feel free to contact your trusted dealer or our technical support at the email [email protected]. it Before installing the components, please carefully read all of the instructions contained in this manual. Failure to respect these instructions may cause unintentional harm or damage to the product.

  1. All components must be firmly secured to the vehicle structure. Do the same when installing any custom structures you may have built. Confirm your installation is solid and safe. A component coming loose while driving may cause serious damage to the passengers, as well as to other vehicles.
  2. Always wear protective eyewear when using tools, as splints or product residue may become airborne.
  3. In order to avoid incidental damage, keep the product in the original packaging until you are ready for the final installation.
  4. Do not carry out any installation inside the engine compartment.
  5. Before starting with the installation turn the head unit and all other audio system devices off, avoiding any possible damage.
  6. Make sure that the location you choose to install the components does not interfere with the normal operation of any mechanical or electrical devices of the vehicle.
  7. Do not install loudspeakers where they may be exposed to water, excessive humidity, dust or dirt.
  8. Do not install the components or make cable run close to electronic or mechanical devices of the vehicle.
  9. Be very cautious when drilling or cutting into the vehicle chassis, making sure there are no cables or structural elements essential to the vehicle underneath or in the selected area.
  10. When routing cables, make sure that the cable does not come in contact with sharp edges or near moving mechanical devices. Make sure that it is firmly attached and protected along its entire length and its insulation is self-extinguishing.
  11. Only use cables with the proper section (AWG) indicated herein.
  12. When running the cable through a hole in the vehicles chassis, protect the cable with a rubber ring (grommet). Be sure to provide proper protection for cables running close to heat-generating devices.
  13. Do not run the wires outside of the vehicle.
  14. Use top quality cables, connectors and accessories such as found in the Connection catalogue.
  15. Warranty certificate: For more information visit the Hertz website.

WEE-Disposal-icon.png Information on electrical and electronic equipment waste (for those European countries which organize the separate collection of waste). Products which are marked with a wheeled bin with an X through it can not be disposed of together with ordinary domestic waste. These electrical and electronic products must be recycled in proper facilities, capable of managing the disposal of these products and components. In order to know where and how to deliver these products to the nearest recycling/disposal site please contact your local municipal office.
Recycling and disposing of waste in a proper way contributes to the protection of the environment and to prevent harmful effects on health.

Hertz Warranty

The Hertz products are warranted, under normal functioning conditions, for the period of time as set by the laws in force, against defects concerning materials or their manufacturing. The warranty is valid from the date of purchase, certified by receipt.

The warranty is not valid if:

  • the product is damaged by incidents, installations and/or improper use, or by any other causes not depending on materials or manufacturing defects;
  • the product is modified or tampered with by unauthorised people;
  • its serial number has been altered or cancelled.

While the product is under warranty, defective parts will be repaired or replaced at the manufacturer’s discretion.
The defective product, along with notification about it, must be returned to the dealer from which it was purchased together with the warranty certificate duly filled in. If the product is no longer under warranty, it will be repaired at the current costs.
Elettromedia s.r.l. does not undertake any liability for damages due to transportation.
Elettromedia s.r.l. does not take any responsibility for: costs or loss of profit due to the impossibility to use the product, other accidental or consequential costs, expenses or damages suffered by the customer.
Warranty according to laws in force.
For more information visit the Hertz website.

Packaging contents

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 1

Size

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 2

ABB1CDEFUVS
MP 250 D2.3 / MP 250 D4.32682363916014127458,52505,53,50mm
10.559.291.546.35.5510.792.39.840.220.14in.
MP 300 D2.3 / MP 300 D4.332128739187164328603025,53,5mm
12.6411.31.547.366.4612.912.3611.890.220.74in.
MPS 250 S2 / MPS 250 S4274,5231,6103,282,6244,638,92555,5mm
10.819.124.063.259.631.5310.040.22in.
MPS 300 S2 / MPS 300 S4318,3282,5108,8888291,842,63025,5mm
12.5311.124.293.4611.491.6811.890.22in.

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 3

 ABCC1 
MPBX 250 S2531361160118mm
20.9114.216.304.65in.
MPBX 300 S2607401175133mm
23.9015.796.895.24in.

Mounting

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 4

Connections

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 5

MPBX 250 S2 / MPBX 300 S2
HOW TO REMOVE / ROTATE 90° / INSERT MESH GRILLE

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 6

Mounting

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 7

IMPEDANCEMP 250 D2.3
MP 250 D2.3
MP 250 D4.3
MP 300 D4.3
 
1 Speaker2+24+4
1 Speaker series48
1 Speaker parallel12
2 Speakers parallel parallel1
2 Speakers series parallel24
3 Speakers series parallel1.32.6

Connections

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 8HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 9

Mounting

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 10

Connections

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 11

Technical specifications

ComponentSizePower handlingImpedanceMagnet SizeVoice Coil MagnetConeWeight of one component
PeakContinuous
mm (in.)WWmm (in.)mm (in.)Kg (lb.)
MP 250 D2.3Subwoofer250 (10)1200 6002 + 2165 x 75 x 35 (6.5 x2.95 x1.38)65 (2.56)High density flux ferritePressed-pulp cone with mineral powders8,2 (18.08)
MP 250 D4.3Subwoofer250 (10)12006004 + 4156 x 80 x 35 (6.14 x3.15 x1.38)65 (2.56)High density flux ferritePressed-pulp cone with mineral powders7,8 (17.2)
MP 300 D2.3Subwoofer300 (12)12006002 + 2165 x 75 x 35 (6.5 x2.95 x1.38)65

(2.5)

High density flux ferritePressed-pulp cone with mineral powders8,63 (19.03)
MP 300 D4.3Subwoofer300 (12)12006004 + 4165 x 75 x 35 (6.5 x2.95 x1.38)65

(2.56)

High density flux ferritePressed-pulp cone with mineral powders8,63 (19.03)
MPS 250 S2.3Subwoofer250 (10)10005002134 x 55 x 36

(6.28 x2.17 x1.42)

38

(1.5)

High density flux ferritePolypropylene5,11 (11.27)
MPS 250 S4.3Subwoofer250 (10) 10005004134 x 55 x 36

(6.28 x2.17 x1.42)

38

(1.5)

High density flux ferrite 

Polypropylene

5,11 (11.27)
MPS 300 S2.3 

Subwoofer

300 (12)10005002156 x 60 x 36

(6.14 x2.36 x1.42)

38

(1.5)

High density flux ferritePolypropylene6,64 (14.64)
MPS 300 S4.3Subwoofer300 (12)10005004156 x 60 x 36 (6.14 x2.36 x1.42)38 (1.5)High density flux ferritePolypropylene6,64 (14.64)
 ComponentSizePower handlingImpedanceDimensions W x H x DVoice Coil MagnetDome/ConeWeight of one component
PeakContinuous
mm (in.)WWmm (in.)mm (in.)Kg (lb.)
 
MPBX 250 S2Passive Subwoofer Sealed box250 (10) 1000 5002531 x 160 x 361 (20.91 x 6.3 x 14.21)38 (1.5)High density flux ferrite 

Polypropylene

 

10,8 (23.8)

MPBX 300 S2Passive Subwoofer Sealed box300 (12)10005002607 x 175 x 401 (23.9 x 6.89 x 15.79)38 (1.5)High density flux ferritePolypropylene13,6 (30)

ENCLOSURE DESIGN MP/MPS

In the following pages the Hertz Tech Team developed Sealed and Reflex designs for MP and MPS subwoofers. They are ready-to-build solutions, including the panel cut list, considering wood thickness 19mm (0.75in.) for MP and 16mm (0.63in.) for MPS series.
The Vb data is the net volume for the enclosure, i.e. it excludes the speaker volume, ports, any internal bracing and any other internal component.
The declared Fb is the actual tuning frequency of the box realized according to the ready-to-build solution. This geometry can not be accurately modeled using lumped parameter-based design software, hence those software may produce different results.HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 12

Regular and Shallow variants for MPS series provide the same performance in just a different shape.
Regular has the widest application while Shallow is the “solution” where low-depth is a matter.
Sealed enclosure designs provide optimally damped response for tight and accurate bass reproduction offering high energy in the range 20Hz-40Hz.
Where a high SPL bass is desired, and space is not a problem, the Reflex designs are the best choice concentrating most of energy in the 40Hz-80Hz range.

ENCLOSURE DESIGN MP 250 D2 / D4

SEALED BOX ASSEMBLYHERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 13

DAMPING MATERIAL BOX ASSEMBLY AND SHAPE
This manual features the box assemblies and shapes which are easiest to create.
However, the bass frequency performance can be noticeably improved with different box shapes, assembly methods and construction materials.HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 14

BOX TECH DATA VbFc / FbQtcExternal dimensions (Pic .1)Mounting Hole – MWood ThicknessPxS-Port inner sizeLp-Port lenghtDamping Material
WHDPS
(cu. ft.)Hzmm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)
MP 250 D2.3 17500,8545035019023619Pic. 1
Sealed (Fc)(0.60)(17.72)(13.78)(7.48)(9.29)(0.75)
MP 250 D4.3 17470,8245035019023619Pic. 1
Sealed (Fc)(0.60)(17.72)(13.78)(7.48)(9.29)(0.75)
MP 250 D2/D4.3 24,5385683302762361929250670Pic. 2
Reflex (Fb)(0.96)(22.36)(12.99)(10.87)(9.29)(0.75)(11.50)(1.97)(26.38)

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 15

PANELS CUT LISTAQtyBQtyCQty
mm (in.)Pcsmm (in.)Pcsmm (in.)Pcs
MP 250 D2/D4.3 Sealed 450 X 350 (17.72 x 13.78)2450 x 152 (17.72 x 5.98)2312 x152 (12.28 x 5.98)2
MP 250 D2/D4.3 Reflex568 x 330 (22.36 x 12.99)2568 x 238 (22.36 x 9.37)2292 x 238 (11.50 x 9.37)2

REFLEX BOX ASSEMBLY

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 16

DAMPING MATERIAL BOX ASSEMBLY AND SHAPE
This manual features the box assemblies and shapes which are easiest to create. However, the bass frequency performance can be noticeably improved with different box shapes, assembly methods and construction materials.HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 17

SUGGESTED PORT POSITION/DIMENSION

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 18

FILTERSuggested Subsonic filter cut-offSuggested Lo-pass filter cut-off
MP 250 D2/D4.Sealed15 Hz / 24dB Oct70-80 Hz / 24 db Oct
MP 250 D2/D4.Reflex20 Hz / 24dB Oct60-70 Hz / 24 db Oct

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 19

ENCLOSURE DESIGN MP 300 D2 / D4

SEALED BOX ASSEMBLY

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 20

DAMPING MATERIAL BOX ASSEMBLY AND SHAPE
This manual features the box assemblies and shapes which are easiest to create.
However, the bass frequency performance can be noticeably improved with different box shapes, assembly methods and construction materials.HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 21

BOX TECH DATAVbFc / FbQtcExternal dimensions (Pic .1)Mounting Hole – MWood ThicknessPxS-Port inner sizeLp-Port

lenght

Damping

Material

WHDPS
(cu. ft.)Hzmm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)
MP 300 D2.32848145036028028719Pic. 3
Sealed (Fc)(0.99)(17.72)(14.17)(11.02)(11.30)(0.75)
MP 300 D4.328480,8245036028028719Pic. 3
Sealed (Fc)(0.99)(17.72)(14.17)(11.02)(11.30)(0.75)
MP 300 D2/D4.34135.66203903302871935260744Pic. 4
Reflex (Fb)(1.61)(24.41)(15.35)(12.99)(11.30)(0.75)(13.86)(2.36)(29.29)

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 22

PANELS CUT LISTAQtyBQtyCQty
mm (in.)Pcsmm (in.)Pcsmm (in.)Pcs
MP 300 D2/D4.3 Sealed450 X 360 (17.72 x 14.17)2450 x 242 (17.72 x 9.53)2322 x242 (12.68 x 9.53)2
MP 300 D2/D4.3 Reflex620 x 390 (24.41 x 15.35)2620 x 292 (24.41 x 11.50)2352 x 292 (13.86 x 11.50)2

REFLEX BOX ASSEMBLY

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 23

DAMPING MATERIAL BOX ASSEMBLY AND SHAPE
This manual features the box assemblies and shapes which are easiest to create. However, the bass frequency performance can be  noticeablyimproved with different box shapes, assembly methods and construction materials.HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 24

SUGGESTED PORT POSITION/DIMENSION

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 25

FILTERSuggested Subsonic filter cut-offSuggested Lo-pass filter cut-off
MP 300 D2/D4.Sealed15 Hz / 24dB Oct70-80 Hz / 24 db Oct
MP 300 D2/D4.Reflex20 Hz / 24dB Oct60-70 Hz / 24 db Oct

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 26

ENCLOSURE DESIGN MPS 250 S2 / S4

SEALED BOX ASSEMBLY

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 27

DAMPING MATERIAL BOX ASSEMBLY AND SHAPE
This manual features the box assemblies and shapes which are easiest to create. However, the bass frequency performance can be noticeably improved with different box shapes, assembly methods and construction materials.

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 28

BOX TECH DATAVbFcQtcExternal dimensions (Pic .1)Mounting Hole – MWood ThicknessDamping Material
WHD
(cu. ft.)Hzmm (in.)mm (in.)mm (in.)mm (in.)mm (in.)
MPS 250 S214,247,70,6861535211023216Pic. 5
Sealed Shallow(0.5)(24.21)(13.86)(4.33)(9.13)(0.63)
MPS 250 S214,247,70,6838635216023216Pic. 5
Sealed Regular(0.5)(15.2)(13.86)(6.30)(9.13)(0.63)
MPS 250 S414,2490,8161535211023216Pic. 5
Sealed Shallow(0.5)(24.21)(13.86)(4.33)(9.13)(0.63)
MPS 250 S414,2490,8138635216023216Pic. 5
Sealed Regular(0.5)(15.20)(13.86)(6.30)(9.13)(0.63)

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 29

PANELS CUT LISTAQtyBQtyCQty
mm (in.)Pcsmm (in.)Pcsmm (in.)Pcs
MPS 250 S2 Sealed Shallow615 x 352 (24.21 x 13.86)2615 x 78 (24.21 x 3.07)2320 x 78 (12.60 x 3.072
MPS 250 S2 Sealed Regular386 x 352 (15.20 x 13.86)2386 x 128 (15.20 x 5.04)2320 x 128 (12.60 x 5.04)2
MPS 250 S4 Sealed Shallow615 x 352 (24.21 x 3.07)2615 x 78 (24.21 x 3.07)2320 x 78 (12.60 x 3.072
MPS 250 S4 Sealed Regular386 x 352 (15.20 x 13.86)2386 x 128 (15.20 x 5.04)2320 x 128 (12.60 x 5.04)2
FILTERSuggested Subsonic filter cut-offSuggested Lo-pass filter cut-off
MPS 250 S2/S4 Sealed15 Hz / 24dB Oct70-80 Hz / 24 db Oct
MPS 250 S2/S4 Reflex20 Hz / 24dB Oct60-70 Hz / 24 db Oct

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 30

REFLEX BOX ASSEMBLY

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 31

DAMPING MATERIAL BOX ASSEMBLY AND SHAPE
This manual features the box assemblies and shapes which are easiest to create. However, the bass frequency performance can be noticeably improved with different box shapes, assembly methods and construction materials.HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 32HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 33

BOX TECH DATAVbFbExternal dimensions (Pic .1)Mounting Hole – MWood Thickness PxS-Port inner sizeLp- ort lenghtDamping Material
WHDZPS
(cu. ft.)Hzmm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)
MPS 250 S21735817372110232161467863,7565Pic. 6
Reflex Shallow(0.6)(32.17)(14.65)(4.33)(9.13)(0.63)(5.75)(3.07)(2.51)(22.24)
MPS 250 S21735660372130232161469850,7565Pic. 6
Reflex Regular(0.6)(25.98)(14.65)(5.12)(9.13)(0.63)(5.75)(3.86)(2)(22.24)
MPS 250 S41935,5882372110232161467865,7511Pic. 6
Reflex Shallow(0.7)(34.72)(14.65)(4.33)(9.13)(0.63)(5.75)(3.07)(2.59)(20.12)
MPS 250 S41935,5713372130232161469852,3511Pic. 6
Reflex Regular(0.7)(28.07)(14.65)(5.12)(9.13)(0.63)(5.75)(3.86)2.06(20.12)
PANELS CUT LISTAQtyBQtyCQtyDQtyEQty
mm (in.)Pcsmm (in.)Pcsmm (in.)Pcsmm (in.)Pcsmm (in.)Pcs
MPS 250 S2 Reflex Shallow817 x 372 (32.17 x 14.65)2817 x 78 (32.17 x 3.07)2340 x 78 13.39 x 3.071276 x 78 10.87 x 3.071549 x 78 21.61 x 3.071
MPS 250 S2 Reflex Regular660 x 372 (25.98 x 14.65)2660 x 98 (25.98 x 3.86)2340 x 98 (13.39 x 3.86)1289 x 98 11.38 x 3.861549 x 98 21.68 x 3.861
MPS 250 S4 Reflex Shallow882 x 372 (34.72 x 14.65)2882 x 78 (34.72 x 3.07)2340 x 78 (13.39 x 3.07)1274 x 78 (10.79 x 3.07)1495 x 78 (19.49 x 3.07)1
MPS 250 S4 Reflex Regular713 x 372 (28.07 x 14.65)2713 x 98 (28.07 x 3.86)2340 x 98 (13.39 x 3.86)1288 x 98 (11.34 x 3.86)1495 x 98 (19.49 x 3.86)1

ENCLOSURE DESIGN MPS 300 S2 / S4

SEALED BOX ASSEMBLY

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 34

DAMPING MATERIAL BOX ASSEMBLY AND SHAPE
This manual features the box assemblies and shapes which are easiest to create. However, the bass frequency performance can be noticeably improved with different box shapes, assembly methods and construction materials.HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 35

BOX TECH DATAVbFcQtcExternal dimensions (Pic .1)Mounting Hole – MWood ThicknessDamping Material
WHD
(cu. ft.)Hzmm (in.)mm (in.)mm (in.)mm (in.)mm (in.)
MPS 300 S2 Sealed Shallow22,7 (0.8)470,68770 (30.31)406 (15.98)115 (4.53)283 (11.14)16 (0.63)Pic. 7
MPS 300 S2 Sealed Regular22,7 (0.8)470,68510 (20.08)406 (15.98)160 (6.30)283 (11.14)16 (0.63)Pic. 7
MPS 300 S4 Sealed Shallow22,7 (0.8)450,81770 (30.31)406 (15.98)115 (4.53)283 (11.14)16 (0.63)Pic. 7
MPS 300 S4 Sealed Regular22,7 (0.8)450,81510 (20.08)406 (15.98)160 (6.30)283 (11.14)16 (0.63)Pic. 7

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 36

PANELS CUT LISTAQtyBQtyCQty
mm (in.)Pcsmm (in.)Pcsmm (in.)Pcs
MPS 300 S2 Sealed Shallow770 x 406 (30.31 x 15.98)2770 x 83 (30.31 x 3.27)2374 x 83 (14.72 x 3.27)2
MPS 300 S2 Sealed Regular510 x 406 (20.08 x 15.98)2510 x 128 (20.08 x 5.04)2374 x 128 (14.72 x 5.04)2
MPS 300 S4 Sealed Shallow770 x 406 (30.31 x 15.98)2770 x 83 (30.31 x 3.27)2374 x 83 (14.72 x 3.27)2
MPS 300 S4 Sealed Regular510 x 406 (20.08 x 15.98)2510 x 128 (20.08 x 5.04)2374 x 128 (14.72 x 5.04)2
FILTERSuggested Subsonic filter cut-offSuggested Lo-pass filter cut-off
MPS 300 S2/S4 Sealed15 Hz / 24dB Oct70-80 Hz / 24 db Oct
MPS 300 S2/S4 Reflex20 Hz / 24dB Oct60-70 Hz / 24 db Oct

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 37

REFLEX BOX ASSEMBLY

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 38

DAMPING MATERIAL BOX ASSEMBLY AND SHAPE
This manual features the box assemblies and shapes which are easiest to create.
However, the bass frequency performance can be noticeably improved with different box shapes, assembly methods and construction materials.HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 39HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 40

BOX TECH DATAVbFbExternal dimensions

(Pic .1)

Mounting Hole – MWood Thickness PxS-Port inner sizeLp-Port lenghtDamping Material
WHDZPS
(cu. ft.)Hzmm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)
MPS 300 S226.934817372110283161469882,9605Pic. 8
Reflex Shallow(0.9)(32.17)(14.65)(4.33)(11.14)(0.63)(5.75)(3.86)(3.26)(23.82)
MPS 300 S226.9346603721302831614613361.1605Pic. 8
Reflex Regular(0.9)(25.98)(14.65)(5.12)(11.14)(0.63)(5.75)(5.24)(2.41)(23.82)
MPS 300 S436,833882372110283161469881,4460Pic. 8
Reflex Shallow(1.3)(34.72)(14.65)(4.33)(11.14)(0.63)(5.75)(3.86)(3.20)(18.11)
MPS 300 S436,8337133721302831614613360460Pic. 8
Reflex Regular(1.3)(28.07)(14.65)(5.12)(11.14)(0.63)(5.75)(5.24)2.36(18.11)
PANELS CUT LISTAQtyBQtyCQtyDQtyEQty
mm (in.)Pcsmm (in.)Pcsmm (in.)Pcsmm (in.)Pcsmm (in.)Pcs
MPS 300 S2 Reflex Shallow895 x 422 (35.24 x 16.61)2895 x 98 (35.24 x 3.86)2390 x 98 (15.35 x 3.86)1307 x 98 12.09 x 3.861589 x 98 23.19 x 3.861
MPS 300 S2 Reflex Regular690 x 411 (27.17 x 16.18)2690 x 133 (27.17 x 5.24)2379 x 133 (14.92 x 5.24)1318 x 133 (12.52 x 5.24)1589 x 133 23.19 x 5.241
MPS 300 S4 Reflex Shallow1112 x 422 (43.78 x 16.61)21112 x 98 (43.78 x 3.86)2390 x 98 (15.35 x 3.86)1309 x 98 (12.17 x 3.86)1444 x 98 (17.48 x 3.86)1
MPS 300 S4 Reflex Regular836 x 422 (32.91 x 16.61)2836 x 133 (32.91 x 5.24)2390 x 133 (13.39 x 5.24)1330 x 133 (12.99 x 5.24)1444 x 133 (17.48 x 5.24)1

Elektro-akoestische parameters

MP 250 D2.3*MP 250 D4.3*MP 300 D2.3*MP 300 D4.3*MPS 250 S2MPS 250 S4MPS 300 S2MPS 300 S4
mm213213260260216,6216,6262,6262,6
Xmax mm± 17± 17± 17± 1716,816,816,816,8
Re 0,851,811,92,23,31,93,4
Fs Hz3027232428292423
Le mH0,651,60,631,62,673,651,483,75
Vas l2531887424,521,264,962,1
Mms g182187221235250234295320
Cms mm/N0,140,180,220,190,130,110,160,15
BL T•m7,110,57,71214,717,312,318,7
Qts 0,540,50,480,420,410,480,510,42
Qes0,60,530,530,450,450,520,550,45
Qms5,925,85,95,95,35,67,56,3
Spl dB83,583,5868682,583,584,585

*The Thiele and Small parameters are measured with coils in parallel. For series coils specification multiply Re and Le by 4 and BL by 2, all other specifications remain the same.
The Thiele and Small parameters are measured after the speaker has been conditioned by a specific signal and represent the expected long term parameters after a short period of use.

HOW TO REMOVE/INSERT MESH GRILLE

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 41HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 42

WARNING:
HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 43 Pay attention not to damage the surround.

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 44

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 45

TECHNICAL SPECIFICATIONS

ComponentSubwoofer
Woofer sizemm (in.)300 (12)
Voice Coil Ø38 (1.5)
Power HandlingW peak1000
W Continuous500
ImpedanceΩ2
Centre to centre distancemm (in.)302 (11.89)
Magnet size D x d x hmm (in.)156 x 60 x 36

(6.14 x 2.36 x 1.42)

Total driver displacementl (cu.in.)1,2 (73.23)
Hole diametermm (in.)5.5 (0.22)
Weight of one speakerkg (lb)6,64 (14.64)
MagnetHigh density flux ferrite
ConePolypropylene
*Xmechmm (in.)20 (0.79)

*Xmech: maximum mechanical excursion it indicates the motion range in the speaker linear functioning area, in both ways.

ELECTRO-ACOUSTIC PARAMETERS

Dmm262,59
Xmaxmm16,80
ReΩ1,90
FsHz24,00
LemH1,48
VasI64,90
Mmsg295,00
Cmsmm/N0,16
BLT•m12,30
Qts 0,51
Qes 0,55
Qms 7,50
SpldB84,5
  1. Ultra-shallow overall depth
  2. 500W continuous power handling
  3. Optimized for extremely-compact sealed enclosure 20-24L (0.7-0.8CF)
  4. Air Intercooling Revolution (A.I.R.) prevents air-compression-related limitations
  5. Unrivalled mechanical excursion, +20% over traditional designs
  6. Six-layer copper voice coil (38mm/1.5 in.) ensures high thermal capacity
  7. Non-vented rear design allows reduced enclosure depth
  8. Robust screw-less mesh grille included with black screws provided
  9. Die-cast aluminum frame
  10. Solid horizontal 8AWG spring-loaded terminals
  11. EID: Scan, Discover, Identify

HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 47HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 46

A318,3 mm12.53 in.
B282,5 mm11.12 in.
C108,88 mm4.29 in.
D88 mm3.46 in.
E291,8 mm11.49 in.
F42,6 mm1.68 in.

HERTZ logoHERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 48HERTZ MPS 300 S2 Mille Pro Series 12 Inch Shallow-Mount 2-Ohm Component Subwoofer - fig 49PART OF ELETTROMEDIA
Strada Regina Km 3,500 – Marignano
62018 Potenza Picena (MC) Italy
T +39 0733 870 870 – F +39 0733 870 880
www.elettromedia.it
Elettromedia – 62018 Potenza Picena (MC) Italy – T +39 0733 870 870 – F +39 0733 870 880
www.elettromedia.it

References

Documents / Resouces

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