Ground Zero | Barcode: 4037072027020

GZHW 20-D1/D2

219,00€

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Subwoofer

Packaging Unit

impedance

Product variants

Free shipping from 49€

Shipping

✓ Free shipping from 49€ within Germany and from 99€ to the EU.

✓ Delivery times vary depending on the product and can be found on the product page, usually 1 - 3 working days for stock items, international shipping times vary, usually 6 - 10 working days.

✓ In most cases, shipping is carried out by DHL, UPS and GLS.

✓ Depending on the product and location, items can also be shipped with other providers.

✓ Tracking will be sent by email after the shipment has been processed.

Normal shipping route

✓ 1 - 40Kg = DHL, UPS and GLS

✓ 40.1 - maximum kg = forwarding agency

✓ Bulky goods = freight forwarder

✓ Customs shipments = DHL, GLS or freight forwarder

Parcel collection

✓ Collection takes place regularly from Monday to Friday, orders received by 3 p.m. are usually disposed of on the same day for goods in stock and transported directly to the parcel center.

5% discount for prepayment

Receive a 5% pre-payment discount. The discount is automatically deducted in the shopping cart/checkout and is valid for all products. Vouchers or discount codes may be excluded or already combined.

Wiring wizard & port computer

Use our wiring wizard for simple wiring of speakers and subwoofers! The correct connection is important for your amplifier! Low-impedance operation can damage the amplifier! The data sheet shows you which connection the respective amplifier is designed for!

Our port calculator shows you which tuning your enclosure has! The net volume is always particularly important here; calculate the pure chamber of the subwoofer beforehand to arrive at the correct result. The net volume is calculated minus all displacements and is important when designing the enclosure.

Downloads

Bedienungsanleitung

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The Ground Zero GZHW 20-D1/D2 from the HYDROGEN series was designed for high volume levels, tremendous power handling, and controlled deep bass. Despite its compact 20-cm size, the subwoofer impresses with a long-throw design, a sturdy 63-mm copper voice coil, and a solid cast aluminum basket. The Klippel®-optimized drive unit ensures precise cone control and reduces distortion even at high excursion levels.

The reinforced paper cone, combined with the long-throw U-shaped surround, delivers powerful bass responses with high dynamics and precise control. With a choice between dual 1-ohm or dual 2-ohm configurations, the subwoofer can be flexibly adapted to a wide variety of amplifier and impedance setups. This makes the GZHW 20 equally suitable for high-performance everyday systems as well as for SPL-oriented car audio systems.

Technical Specifications

Series: Ground Zero HYDROGEN
Model: GZHW 20-D1 / GZHW 20-D2
Speaker size: 20 cm (8")
Type: High-Performance SPL Subwoofer
Klippel®-Optimized Design
Reinforced paper diaphragm
IMPP Dust-Proof Cap with 3D Logo
Long-stroke U-corrugation
Solid die-cast aluminum basket
2-layer Polycot centering spider
Copper voice coil
Voice coil diameter: 63 mm (2.5")
Xmax (peak-to-peak): 40 mm
Power handling: 700 watts RMS
Maximum power handling: 1,500 watts SPL
Recommended amplifier power: 500–1,500 watts RMS
Connection: Push terminal

Technical Specifications for GZHW 20-D1

Impedance: 2 × 1 Ω
DC resistance (Re): 2.01 Ω (in series)
Resonance frequency (Fs): 38.9 Hz
Efficiency: 79 dB
Qms: 7.47
Qes: 0.60
Qts: 0.55
Capacity: 5.2 liters
Mass in motion (Mms): 191.5 g
BL factor: 12.8 Tm

Technical Specifications for the GZHW 20-D2

Impedance: 2 × 2 Ω
DC resistance (Re): 4.18 Ω (in series)
Resonance frequency (Fs): 42.4 Hz
Efficiency: 79 dB
Qms: 6.79
Qes: 0.70
Qts: 0.63
Capacity: 4.3 liters
Mass in motion (Mms): 178.6 g
BL factor: 16.9 Tm

Installation Dimensions

Outer diameter: 210 mm
Installation diameter: 187 mm
Installation depth: 145 mm
Total depth: 160 mm
Flange height: 9 mm

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