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Wavecor SW182BD04 17 cm bass aluminium 8 ohm View larger

Wavecor SW182BD04 17 cm bass aluminium 8 ohm

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Wavecor SW182BD04 17 cm bass aluminium 8 ohm

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143,00 €

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The 7” transducers SW182BD03 (4 ohm) and SW182BD04 (8 ohm) were designed specifically for high performance compact subwoofer applications where sound quality and low distortion are the priorities.
The pair was developed as an alternative to the previous designs SW182BD01 and SW182BD02 as a preferred choice in many typical applications because of optimized suspension, lower moving mass, and lower voice coil induction

  • Balanced Drive motor structure for optimal drive force symmetry resulting in largely reduced even order harmonic distortion
  • Extremely large linear stroke, Xmax = ± 7 mm, ensuring low distortion at high output levels
  • Optimized suspension for improved symmetry and matching of Force(x) curve
  • Very rigid black aluminium cone to ensure piston motion at high levels and for better heat transfer at high continuous power levels
  • Rigid die cast alu chassis with extensive venting for lower air flow speed reducing audible distortion
  • Vented voice coil former for reduced distortion and compression
  • Vented center pole with dual flares for reduced noise level at large cone excursions
  • Heavy-duty black fiber glass voice coil former to reduce mechanical losses resulting in better dynamic performance and low-level details
  • Large motor with 1½” voice coil diameter for better control and power handling
  • Built-in alu field-stabilizing ring for reduced distortion at high levels
  • Low-loss suspension (high Qm) for better reproduction of details and dynamics
  • Black plated cone and motor parts for better heat transfer to the surrounding air
  • Conex spider for better durability under extreme conditions
  • Gold plated terminals to ensure long-term trouble free connection

Notes

  Parameter

SW182BD03

SW182BD04

Unit

Before burn-in

After burn-in

Before burn-in

After burn-in

 

Nominal size

7

7

[inch.]

 

Nominal impedance

4

8

[ohm]

 

Recommended max. upper frequency limit

600

600

[Hz]

1, 4

Sensitivity, 2.83V/1m (average SPL in range 100 - 300 Hz)

84

81.5

[dB]

2, 4

Power handling, short term, IEC 268-5, no additional filtering

1,100

1,100

[W]

2, 4

Power handling, long term, IEC 268-5, no additional filtering

250

250

[W]

2

Power handling, continuous, IEC 268-5, no additional filtering

125

125

[W]

 

Effective radiating area, Sd

131

131

[sq.cm]

3, 4, 6

Resonance frequency (free air, no baffle), Fs

35.1

 

37.2

 

[Hz]

 

Moving mass, incl. air (free air, no baffle), Mms

39.5

35.2

[g]

3, 4

Force factor, Bxl

7.6

10.2

[N/A]

3, 4, 6

Suspension compliance, Cms

0.52

 

0.52

 

[mm/N]

3, 4, 6

Equivalent air volume, Vas

12.7

 

12.7

 

[lit.]

3, 4, 6

Mechanical resistance, Rms

0.66

 

0.66

 

[Ns/m]

3, 4, 6

Mechanical Q, Qms

13.3

 

12.6

 

[-]

3, 4, 6

Electrical Q, Qes

0.45

 

0.51

 

[-]

3, 4, 6

Total Q, Qts

0.44

 

0.49

 

[-]

4

Voice coil resistance, RDC

3.0

6.4

[ohm]

5

Voice coil inductance, Le (measured at 1 kHz)

1.0

1.7

[mH]

 

Voice coil inside diameter

39

39

[mm]

 

Voice coil winding height

19

19

[mm]

 

Air gap height

5

5

[mm]

 

Theoretical linear motor stroke, Xmax

±7

±7

[mm]

 

Magnet weight

640

640

[g]

 

Total unit net weight excl. packaging

1.85

1.85

[kg]

3, 4, 5

Krm

2.65

3.9

[mohm]

3, 4, 5

Erm

0.76

0.77

[-]

3, 4, 5

Kxm

7.0

10.9

[mH]

3, 4, 5

Exm

0.76

0.77

[-]

SW182BD04-FRSW182BD04-IMP

  • SW182BD03-04_outline__dwgTerminals-dimensions

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