ALPINE 10D4 10 Inch 25 cm Type-R Subwoofer Installation Guide

June 13, 2024
Alpine

ALPINE logo1

TYPE-R SUBWOOFER

APPLICATION GUIDE
SWR-12D4

12 Inch Dual Voice Coil Subwoofer (4Ω)+(4Ω)


SWR-12D2

12 Inch Dual Voice Coil Subwoofer (2Ω)+(2Ω)


SWR-10D4

10 Inch Dual Voice Coil Subwoofer (4Ω)+(4Ω)


SWR-10D2

10 Inch Dual Voice Coil Subwoofer (2Ω)+(2Ω)


|

Type-R

---|---
SWR-10D2| SWR-10D4| SWR-12D2|

SWR-12D4

General Specifications

| 2Ω+2Ω| 4Ω+4Ω| 2Ω+2Ω| 4Ω+4Ω
Sealed| 10″|

12″

Frequency Response

| 26Hz-200Hz| 24Hz-200Hz
Power Range|

300W-1000W RMS

Power Handling

| 1000W RMS / 3000W PEAK
Magnet Weight| 111 oz|

127 oz

Voice Coil Diameter

| 65.5 mm (2.6″)

Thiel-Small Parameters

|

Sensitivity
(1W/1m)

| SPL| 82 dB| 82.1 dB| 84.7 dB| 84.9 dB
DC Resistance| Re| 1.95Ω+1.95Ω| 3.8Ω+3.8Ω| 1.95Ω+1.95Ω|

3.8Ω+3.8Ω

Inductance

| Le| 1.89 mH| 3.04 mH| 2.23 mH| 3.33 mH
Free Air Resonance| Fs| 31 Hz| 32 Hz| 27 Hz|

28 Hz

Equivalent Stiffness

| Vas| 18L| 46L
Mechanical Q| Qms| 7.84| 7.05| 7.1|

6.04

Electrical Q

| Qes| 0.54| 0.59| 0.47| 0.52
Total Q| Qts| 0.51| 0.55| 0.44|

0.48

Cone Area

| Sd| 333cm²| 479 cm²
Linear Excursion| Xmax
(1-way)|

20 mm

Mechanical Travel

| Xmech
(P-P)| 70 mm|

72 mm

Note: Specifications subject to change without notice

APPLICATION

ALPINE logo3

4Ω+4Ω

Example 1 One Amplifier + One Subwoofer

ALPINE 10D4 10 Inch 25 cm Type-R Subwoofer - a1 ALPINE 10D4 10 Inch 25 cm Type-R Subwoofer - a2

  1. JUMPER/CAVALIER

Example 3 Two Amplifier + One Subwoofer

ALPINE 10D4 10 Inch 25 cm Type-R Subwoofer - a3

  1. JUMPER/CAVALIER

Example 5 One Amplifier + Two Subwoofer

ALPINE 10D4 10 Inch 25 cm Type-R Subwoofer - a4

  1. JUMPER/CAVALIER

Example 7 One Amplifier + Three Subwoofer

ALPINE 10D4 10 Inch 25 cm Type-R Subwoofer - a5

  1. JUMPER/CAVALIER
DIAGRAMS

SWR-10D4 / SWR-12D4
SWR-10D2 / SWR-12D2

2Ω+2Ω

Example 2 One Amplifier + One Subwoofer

ALPINE 10D4 10 Inch 25 cm Type-R Subwoofer - a6 ALPINE 10D4 10 Inch 25 cm Type-R Subwoofer - a7

  1. JUMPER/CAVALIER

Caution : Consult amplifier owner’s manual for 1Ω connection.

Example 4 Two Amplifier + One Subwoofer

ALPINE 10D4 10 Inch 25 cm Type-R Subwoofer - a8

  1. JUMPER/CAVALIER

Example 6 One Amplifier and Two Subwoofer

ALPINE 10D4 10 Inch 25 cm Type-R Subwoofer - a9

  1. JUMPER/CAVALIER

Example 8 One Amplifier + Four Subwoofer

ALPINE 10D4 10 Inch 25 cm Type-R Subwoofer - a10

  1. JUMPER CAVALIER

TYPE-R WIRING WORKSHEET

|

SWR-10D2/D4

|

SWR-12D2/D4

---|---|---

Sealed Box Range

| Net Internal Volume|

0.4-0.85 ft³

|

0.55-1.0 ft³

Recommended Sealed Box

| External Box Dimensions|

12″x12″x10.5″

|

14″x14″x11″

Gross Internal Volume|

0.58 ft³

|

0.85 ft³

Net Internal Volume|

0.50 ft³

|

0.75 ft³

F3, Qtc|

D2: 46 Hz, 0.74
D4: 44 Hz, 0.79

|

D2: 45 Hz, 0.75
D4: 45 Hz, 0.81

Vented Box Range

| Net Internal Volume|

0.75-1.3 ft³

|

1.0-1.5 ft³

Tuning|

35-39 Hz

|

32-37 Hz

Recommended Vented Box

| External Box Dimensions|

23″ x 12″ x 11.5″

|

23″ x 12.5″ x 14″

Gross Internal Volume|

1.3 ft³

|

1.71 ft³

Aire de l’évent (dimensions)|

10 in² (10″x1″)

|

12.5 in² (12.5″x1″)

Gross Internal Volume|

20″

|

19″

Vent Displacement|

0.2 ft³

|

0.23 ft³

Net Internal Volume (Vb)|

1.0 ft³

|

1.38 ft³

F3, ripple, Fb|

D2: 29Hz, 6.1dB, 36Hz
D4: 28Hz, 5.8dB, 36Hz

|

D2: 29Hz, 4.6dB, 35Hz
D4: 29Hz, 4.4dB, 35Hz

Notes:
1) Recommended enclosure net Internal volume is base upon 3/4″ 19mm) MDF enclosure construction.
2) Consult the table below for alternative enclosure net Internal volume calculation.

Front Mount Displacement* (magnet in)|

-0.08 ft³

|

-0.10 ft³

---|---|---
Reverse Mount Added Volume* (magnet out)|

+0.05 ft³

|

+0.09 ft³

*Base upon 3/4″ (19mm) baffle thickness, with opening cut approximately to gasket inner diameter

ALPINE 10D4 10 Inch 25 cm Type-R Subwoofer - b1

  1. High Amplitude Multi-Roll Santoprene® Surround
    (Patent Pending)

  2. Reinforced Parabolic Cone Structure with Poly-Mica Dust Cap & Pulp-Kevlar Cone Body

  3. Concealed Mount Gasket
    (Integrated Grille System Ready, US Pat #7,760,900)

  4. Reinforced Cone Neck & Spider Joint

  5. Progressive Conex® Spider with Reinforced Layer Tinsel Leads
    (US Pat #6,810,988)

  6. Integrated 8AWG Push Terminals with VC Configuration Jumpers

  7. High-Excursion Overhung Voice Coil Configuration

  8. High-Grade Strontium Ferrite Segmented Magnet Assembly

  9. 65mm Voice Coil with High-Temp 4-Layer DVC Winding on Spiral Cut Black Anodized Aluminum Former

  10. Airflow Optimized Dual Flare Pole Vent

  11. Cast Aluminum Frame with Integral Shorting Sleeve & Radial Vented Heat Sink
    (US Pat #7,634,101, #7,272,238; other patents pending)

  12. Compound Radius Curve Extended Pole Geometry
    (US Pat 06,639,993)

  13. Airflow Management & Heat Transfer System
    (US Pat #7,684,585; #6,678,387)

SWR-12D4
SWR-12D2

SWR-10D4
SWR-10D2


ALPINE logo2


ALPINE ELECTRONICS MARKETING,INC.
1-7 Yukigaya-otsukamachi,
Oth-ku, Tokyo 145-0067, Japan
Tel: (03) 5499-4531

ALPINE ELECTRONICS OF AMERICA, INC.
19145 Gramercy Place, Torrance,
California 90501, U.S.A.
Tel: 1-800-ALPINE-1 (1-800-257-4631)

ALPINE ELECTRONICS OF CANADA, INC.
777 Supertest Road, Toronto,
Ontario M3J 2M9, Canada
Tel: 416-736-6211

ALPINE ELECTRONICS OF AUSTRALIA PTY. LTD.
161-165 Princes Highway, Hallam
Victoria 3803, Australia
Tel: (03) 8787-1200

ALPINE ELECTRONICS DE ESPANA, S.A.
Portal de Gamarra 36, Pabellón, 32
01013 Vitoria (Álava). APDO. 133 Spain
Tel: (945) 283-588

ALPINE ELECTRONICS GmbH
Wilhelm-Wagenfeld-Straße 1-3
80807 München, Germany
Tel: (089) 324-2640

ALPINE ELECTRONICS (Benelux) GmbH
Leuvensesteenweg 510-B6
1930 Zaventem, Belgium
Tel: 02-7251315

ALPINE ELECTRONICS OF U.K., LTD.
Alpine House Earlplace Business Park,
Fletchamstead Highway, Coventry CV4, 9TW
United Kingdom
Tel: (2476) 719-500

ALPINE ELECTRONICS FRANCE S.A.R.L.
98,Rue de la Belle Etoile, Z.I. Paris Nord,
B.P. 50016, 95945, Roissy Charles de Gaulle
Cédex, France
Tel: (01) 4863-8989

ALPINE ITALIA S.p.A.
Viale C. Colombo 8,
20090 Trezzano Sul Naviglio (MI), Italy
Tel: (02) 484-781

Printed in CHINA


References

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