Helix  |  Bar code: 4057204321222

Helix S 4B, 140W subwoofers 10cm

Power: RMS 70W / MAX 140W Frequency range: 75 Hz - 6000 Hz Sensitivity: 89 dB 1W/1m Impedance: 4 Ohms Installation depth: 46.
Regular price €99.00 EUR

▪️ Do you have questions about this product?❓We can consult by phone +370 683 90000 or come to our salon Armatūrinininkų St. 1, Kaunas.


Free delivery in Lithuania from € 100

In Lithuania, Venipak courier delivery is available via 1-2 business days.
Delivery outside Lithuania within 4-10 business days.

Pick up the goods in the store for € 0

Armatūrinininkų St. 1, Kaunas
Working hours: Thursday 9:00-18:00

INFORMACIJA

  • Power: RMS 70W / MAX 140W
  • Frequency range: 75 Hz - 6000 Hz
  • Sensitivity: 89 dB 1W/1m
  • Impedance: 4 Ohms
  • Installation depth: 46.5 mm
  • Mounting diameter: 92.3 mm
  • Outer diameter: 102 mm

Set includes 2 pieces.

DESCRIPTION

Elegantly designed mid-woofer trimmed for maximum sound quality.
The extremely rigid cone consists of a novel basalt-fiber-paper compound – the perfect combination to guarantee clear and straight sound even at high volume levels. Beside a powerful bass reproduction and peerlessly neutral mids, the S 4B impresses with exceptionally low distortion.

A dream team is the combination with the S 1T tweeter that ideally complements the frequency range. Together with an Audiotec Fischer power amplifier, the S loudspeakers strike up to top form and provide the perfect basis for absolute top sound systems!

FEATURES

4” / 100 mm mid-woofer with novel basalt-fiber-paper compound cone – a perfect combination of lowest weight, high stiffness and inner damping
Specially shaped rubber surround for larger effective cone area and increased maximum excursion
Individual HELIX basket with additional ventilation holes for better voice coil cooling and high power handling
Rugged rubber magnet boot with HELIX-logo
Gold-plated terminals

TECHNICAL DATA

Power RMS / max. P 70 / 140 Watts
Impedance Z 4 Ω
DC resistance Re 3.4 Ω
Frequency response   75Hz - 6,000Hz
Resonance frequency Fs 120Hz
Mechanical Q factor Qms 4.24
Electrical Q factor Qes 1.11
Total Q factor Qts 0.88
Compliance Cms 232 μm/N
Equivalent air volume Feb 1.2L
Force factor B*I 4.1 Volume
Efficiency 1 W / 1 m SPL 89 dB
Cone area Sd 61 cm²
Moving mass Mms 5.9 grams
Cone material   Basalt-fiber-paper compound
Mechanical resistance Rms 1.19 kg/s
Voice coil diameter ø 25 mm
Voice coil winding height   12 mm
Max. linear excursion Xmax +/- 3mm
Outer diameter ø 102mm / 4.01"
Installation diameter ø 92.3 mm / 3.63"
Installation depth   46.5mm / 1.83"
  
Recommended enclosure volumes 
Sealed box 
Even volume   3L
Lower limiting frequency (-3dB)   100Hz
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