The Gladen Zero Pro subwoofer series offers an optimal price/performance ratio for the demanding music listener.

The Gladen Zero Pro subwoofers combine innovations from the Gladen Aerospace series with customised but cost-optimised components.

In this price range this is real luxury: the compound diaphragm, the laser-cut magnetic pole plate and “Made in Germany”.

The Zero Pro subwoofers are available in the sizes 10″ (25cm) and 12″ (30cm).

Vægt	8 kg
ohm	2 x 0,5 ohm, 2 x 0,7 ohm, 2 x 1.0 ohm

Overview Gladen Zero 12 Pro

High-end subwoofer
Cast aluminum basket
Nomex spider
Lasered back plate
Stitched strands
GLADEN PFP technology: paper / foam / paper compound diaphragm
Made in Germany

Technical Data Gladen Zero 12 Pro
Material:

Cone:
PFP

Surround:
Rubber

Basket:
Aluminum

Spider:
Nomex

Coil former:
Aluminium

Dust Cap:
Paper

Specifications:

Power:
Pe 500/750 RMS/Nom

DC resistance:
Rdc 3,7 Ω

Nominal impedance:
ZN 4 Ω

Resonance frequency:
fs 27 Hz

Voice coil diameter:
2,5 inch

X-Max:
+/- 12,5 mm

Mechanical Q factor:
Qms 6,32

Electrical Q factor:
Qes 0,40

Total Q factor:
Qts 0,38

Moving mass:
md 135 g

Effective piston area:
Sd 510 cm2

Mechanical resistance:
Rms 3,95 kg/s

Compliance:
Cms 0,26 mm/N

Force factor:
BL 13,95 Tm

Equivalent air volume:
Vas 93,72 Liter

SPL 2,83V/1m:
92 dB

External diameter:
312 mm / 12,28 inch

Installation diameter:
283 mm / 11,14 inch

Installation depth:
152 mm / 5,98 inch

Magnet diameter:
155 mm / 6,10 inch

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