MID WOOFER 18W/8434G00
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GRAVE-MEDIO 6,5" CONO DE FIBRA DE VIDRIO
![MIDWOOFER
18W/8434G00
The Discovery series offer traditional design, superior sound, a solid construction, and
a wide range of variants. Combining these elements - plus a wealth of technical
features and finesses - it gives our customers the possibility of acquiring a tailor-made
Scan-Speak solution with very good performance at a reasonable low price point!
KEY FEATURES:
— High Output 89dB @ 2,83V
— Magnet System w. Alu Ring
— Die cast Alu Chassis vented below spider
T-S Parameters
Resonance frequency [fs]
— Coated NRSC Fibre Glass Cone
— Low Damping SBR Rubber Surround
Electrical Data
50 Hz
Nominal impedance [Zn]
Mechanical Q factor [Qms]
7.58
Minimum impedance [Zmin]
Electrical Q factor [Qes]
0.46
Maximum impedance [Zo]
0.43
DC resistance [Re]
Total Q factor [Qts]
Force factor [Bl]
Mechanical resistance [Rms]
Moving mass [Mms]
Suspension compliance [Cms]
7.2 Tm
13.7 g
0.74 mm/N
132 mm
Effective piston area [Sd]
137 cm²
Sensitivity (2.83V/1m)
Ratio Bl/√Re
Ratio fs/Qts
97.9 Ω
5.6 Ω
0.55 mH
0.57 kg/s
Effective diaph. diameter [D]
Equivalent volume [Vas]
Voice coil inductance [Le]
8Ω
6.7 Ω
19.5 l
Power Handling
100h RMS noise test (IEC 17.1)
Long-term max power (IEC 17.3)
Voice coil diameter
Voice coil height
3.05 N/√W
Voice coil layers
Height of gap
Linear excursion
Notes:
IEC specs. refer to IEC 60268-5 third edition.
All Scan-Speak products are RoHS compliant.
Data are subject to change without notice.
Datasheet updated: February 22, 2011.
170 W
Voice Coil and Magnet Data
88.7 dB
115 Hz
55 W
Max mech. excursion
Unit weight
N.C. Madsensvej 1 — 6920 Videbæk — Denmark — Phone: +45 6040 5200 — www.scan-speak.dk
32 mm
13.4 mm
2
5 mm
± 4.2 mm
± 8 mm
1.3 kg](https://image.slidesharecdn.com/18w-8434g00-140207022159-phpapp02/85/MID-WOOFER-18W-8434G00-1-320.jpg)
![MIDWOOFER
18W/8434G00
Advanced Parameters (Preliminary)
Electrical data:
Resistance [Re']
Free inductance [Leb]
Mechanical Data
5.83 Ω
0.0968 mH
Bound inductance [Le]
0.794 mH
Semi-inductance [Ke]
0.0669 SH
Shunt resistance [Rss]
2289 Ω
Force Factor [Bl]
Moving mass [Mms]
Compliance [Cms]
Mechanical resistance [Rms]
Admittance [Ams]
N.C. Madsensvej 1 — 6920 Videbæk — Denmark — Phone: +45 6040 5200 — www.scan-speak.dk
6.75 Tm
13.7 g
0.882 mm/N
0.180 kg/s
0.0920 mm/N](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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MID WOOFER 18W/8434G00
- 1. MIDWOOFER 18W/8434G00 The Discovery series offer traditional design, superior sound, a solid construction, and a wide range of variants. Combining these elements - plus a wealth of technical features and finesses - it gives our customers the possibility of acquiring a tailor-made Scan-Speak solution with very good performance at a reasonable low price point! KEY FEATURES: — High Output 89dB @ 2,83V — Magnet System w. Alu Ring — Die cast Alu Chassis vented below spider T-S Parameters Resonance frequency [fs] — Coated NRSC Fibre Glass Cone — Low Damping SBR Rubber Surround Electrical Data 50 Hz Nominal impedance [Zn] Mechanical Q factor [Qms] 7.58 Minimum impedance [Zmin] Electrical Q factor [Qes] 0.46 Maximum impedance [Zo] 0.43 DC resistance [Re] Total Q factor [Qts] Force factor [Bl] Mechanical resistance [Rms] Moving mass [Mms] Suspension compliance [Cms] 7.2 Tm 13.7 g 0.74 mm/N 132 mm Effective piston area [Sd] 137 cm² Sensitivity (2.83V/1m) Ratio Bl/√Re Ratio fs/Qts 97.9 Ω 5.6 Ω 0.55 mH 0.57 kg/s Effective diaph. diameter [D] Equivalent volume [Vas] Voice coil inductance [Le] 8Ω 6.7 Ω 19.5 l Power Handling 100h RMS noise test (IEC 17.1) Long-term max power (IEC 17.3) Voice coil diameter Voice coil height 3.05 N/√W Voice coil layers Height of gap Linear excursion Notes: IEC specs. refer to IEC 60268-5 third edition. All Scan-Speak products are RoHS compliant. Data are subject to change without notice. Datasheet updated: February 22, 2011. 170 W Voice Coil and Magnet Data 88.7 dB 115 Hz 55 W Max mech. excursion Unit weight N.C. Madsensvej 1 — 6920 Videbæk — Denmark — Phone: +45 6040 5200 — www.scan-speak.dk 32 mm 13.4 mm 2 5 mm ± 4.2 mm ± 8 mm 1.3 kg
- 2. MIDWOOFER 18W/8434G00 Advanced Parameters (Preliminary) Electrical data: Resistance [Re'] Free inductance [Leb] Mechanical Data 5.83 Ω 0.0968 mH Bound inductance [Le] 0.794 mH Semi-inductance [Ke] 0.0669 SH Shunt resistance [Rss] 2289 Ω Force Factor [Bl] Moving mass [Mms] Compliance [Cms] Mechanical resistance [Rms] Admittance [Ams] N.C. Madsensvej 1 — 6920 Videbæk — Denmark — Phone: +45 6040 5200 — www.scan-speak.dk 6.75 Tm 13.7 g 0.882 mm/N 0.180 kg/s 0.0920 mm/N