Scan-Speak
Scan-Speak - 13" Automotive Subwoofer - 32W/4878T05
Scan-Speak - 13" Automotive Subwoofer - 32W/4878T05
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Description
Scan-Speak Automotive GOLD SERIES are specially selected units from Scan-Speak’s well-known home audio speakers, which have been optimised for automotive use. This series enables audiophiles to experience in their vehicle the – TRUE TO LIFE – that they enjoy from their high-end home audio system. The 32W/4878T05 audiophile subwoofer is based on the awesome Revelator 32W/4878T00 and is upgraded and optimised specifically for the in-car environment. Features include a rigid paper / foam sandwich cone, 3 inch reinforced titanium voice coil former, massive double magnet with Faraday ring and a vented diecast chassis. Capable of huge output with true depth and realism, this top of the range subwoofer has superb dynamics. With a low Fs of 17Hz, huge peak excursion of 56mm + a peak power of 550 watts the 32W/4878T05 produces stunning amounts of tight accurate bass that is felt as well as heard. A true audiophile performer.
Features
- Paper sandwich cone with patented foam filling
- Extremely long linear excursion (+/-14mm)
- Patented Symmetrical Drive motor
- 3" Voice coil, Titanium former, paper reinforced
- Large dustcap w. logo
- Stiff robust die cast alu chassis
Specifications
Specifications
General
| Driver type | Subwoofer |
|---|---|
| Nominal size | 13" |
| Nominal impedance | 4Ω |
| Series | Automotive |
| Power handling (RMS) | 200 W |
| Power handling (program) | 550 W |
| Sensitivity | 89 dB |
| Suggested alignment | Either |
| Frequency range | fs – 1,000 Hz |
Thiele/Small parameters
| Resonant frequency (Fs) | 17 Hz |
|---|---|
| DC resistance (Re) | 3.1 Ω |
| Minimum impedance (Zmin) | 4 Ω |
| Voice coil inductance (Le) | 0.5 mH |
| Mechanical Q (Qms) | 7 |
| Electrical Q (Qes) | 0.33 |
| Total Q (Qts) | 0.32 |
| Equivalent volume (Vas) | 180 L |
| Compliance (Cms) | 0.52 mm/N |
| Moving mass (Mms) | 165 g |
| Mechanical resistance (Rms) | 2.42 kg/s |
| Force factor (Bl) | 12.5 T·m |
| Effective piston area (Sd) | 526 cm² |
| Linear excursion (Xmax, one-way) | 14 mm |
| Mechanical excursion (Xmech) | 28 mm |
| Displacement volume (Vd) | 736.4 cm³ |
| Efficiency bandwidth product (EBP) | 51.52 |
| Effective piston diameter (D) | 260 mm |
| Impedance at resonance (Zo) | 69 Ω |
Motor
| Voice coil height | 36 mm |
|---|---|
| Air gap height | 8 mm |
| Voice coil layers | 2 |
Mounting
| Overall diameter | 320 mm |
|---|---|
| Mounting depth | 156.1 mm |
| Flange thickness | 7.55 mm |
| Bolt circle diameter | 305 mm |
| Mounting holes | 9 |
| Mounting hole diameter | 6.3 mm |
| Volume displaced by driver | 2.65 L |
| Voice coil diameter | 75 mm |
| Weight | 7.5 kg |
Materials
| Cone | Sandwich Paper |
|---|---|
| Magnet | Ferrite |
Typical box tunings
| Closed box: box volume | 59 L |
|---|---|
| Closed box: corner frequency | 34 Hz |
| Vented box: box volume | 114 L |
| Vented box: box resonance | 20 Hz |
| Vented box: corner frequency | 21 Hz |
- Xmax is quoted one-way (peak), not peak-to-peak.
- Sensitivity measured at 2.83V/1m.
- Power handling (RMS) is Scan-Speak's 100-hour RMS noise test (IEC 18.4); program power is its long-term maximum power (IEC 18.2).
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