Free shipping from 49€

GZNW 38C

Regular price 1.279,00€
Tax included Shipping calculated at checkout.


Barcode: 4037072026856

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

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Name: Ground Zero Audio

Address: Erlenweg 25 85658 Egmating, Germany

Email: info@ground-zero-audio.com

Website: https://www.ground-zero-audio.com/

European Manufacturer: Yes


The Ground Zero GZNW 38C was developed for uncompromising bass performance in high-performance car audio systems. With its extremely durable construction, lightweight carbon-fiber cone, and Klippel®-optimized drive unit, this 15-inch subwoofer combines precise low-frequency response with tremendous power handling. The solid die-cast aluminum basket ensures maximum stability and optimized air circulation around the voice coil, guaranteeing reliable performance even under sustained high loads.

The large 3-inch flat-wire voice coil, the multi-layer centering system, and the high linear excursion make the GZNW 38C the ideal choice for high-performance bass-reflex systems and SPL-oriented installations. Despite its enormous power, it delivers controlled and precise bass reproduction all the way down to the deep bass range.


Technical Specifications

  • Type: High-Performance SPL Subwoofer
  • Diameter: 38 cm (15")
  • RMS Power Handling: 6,000 watts
  • SPL Power Handling (3 sec.): 25,000 watts
  • Recommended amplifier power: 3,000–6,000 watts RMS
  • Impedance: 2 × 1 ohm
  • Voice coil: 75 mm (3") 8-layer CCA flat-wire voice coil
  • Klippel®-Optimized Design
  • Carbon-fiber membrane
  • Carbon Fiber Dust Cover
  • Flow-optimized die-cast aluminum basket
  • 7-layer 12" centering spider
  • Heavy-Duty Pressure Connections
  • Sensitivity: 86 dB (1 W / 1 m)
  • Resonance frequency (Fs): 33 Hz
  • Total quality (Qts): 0.38
  • Mechanical Quality (Qms): 10.23
  • Electrical Quality (Qes): 0.39
  • Equivalent volume (Vas): 23 liters
  • Voice coil inductance (Le): 2.441 mH
  • Moving mass (Mms): 992 g
  • Force factor (BL): 27.9 Tm
  • Diaphragm area (Sd): 829.6 cm²
  • Linear stroke (Xmax): 80 mm
  • Installation opening: 360 mm
  • Outer diameter: 390 mm
  • Installation depth: 290 mm
  • Hole diameter: 375 mm

Case Recommendation

  • Recommended enclosure type: bass reflex
  • Net tank volume: 116 liters
  • Recommended port size: 242 × 130 mm
  • Port length: 400 mm
  • Tuning frequency (F3): approx. 33 Hz

The GZNW 38C is designed for extremely high-performance car audio systems and truly reaches its full potential in generously sized bass-reflex enclosures paired with a sufficiently powerful amplifier. Its robust construction and exceptionally high linear excursion enable enormous sound pressure reserves while maintaining controlled bass reproduction.

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