Helix Audiotec Fischer S 6B 6.5" / 165 mm Car Door Mid-Woofer High End Audio

Elegant 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 6B 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!

6.5? / 165 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 excursionIndividual HELIX basket with additional ventilation holes for better voice coil cooling and high power handlingRugged rubber magnet boot with HELIX-logoGold-plated terminals

Power RMS / max.

P

100 / 200 Watts

Impedance 

Z

4 ?

DC resistance 

Re

3.4 ?

Frequency response

 

45 Hz - 4,000 Hz

Resonance frequency 

Fs

67 Hz

Mechanical Q factor 

Qms

3.87

Electrical Q factor 

Qes

0.96

Total Q factor

Qts

0.77

Compliance

Cms

370 ?m/N

Equivalent air volume

Vas

10.3 L

Force factor 

B*I

4.8 Tm

Efficiency 1 W / 1 m

SPL

90 dB

Cone area 

Sd

141 cm²

Moving mass 

Mms

14.8 g

Cone material

 

Basalt-fiber-paper compound

Mechanical resistance 

Rms

1.64 kg/s

Voice coil diameter

ø

25 mm

Voice coil winding height

 

12 mm 

Max. linear excursion 

Xmax

+/- 3 mm

Outer diameter

ø

165 mm / 6.50"

Installation diameter

ø

143 mm /  5.63"

Installation depth

 

65 mm / 2.56"

   

Recommended enclosure volumes  

Sealed box  

Net volume

 

9 L

Lower limiting frequency (-3dB)

 

75 Hz

Delivery Contents

2 x Mid-woofer HELIX S 6B

1 x Mounting material1 x Data sheet1 x Mounting pattern

Fitting advice

Although some of our products may seem simple to fit we do always advice that you have them installed by a qualified fitter and wait to receive the item before making arrangements for the fitting of the item. We also advice that you contact your insurance company to ensure the modifications you are planning to make to the vehicle does not void your policy. We can not be held accountable if you are not a qualified fitter and you damage the item in any way, if you have booked the fitting before receiving the item or if you do not inform your insurance company of the modification and your insurance is voided.

We take great care packaging every item to ensure safe shipment to you. Our postage and courier charges not only cover the shipping cost, but also the time to pack your order, plus packaging supplies etc. PPlease note - some items may incur extra shipping charges that have to be sent by courier and are too large / expensive to be sent by Royal Mail (for example headlamps, headunits, speakers, lowering springs etc) to the following postcode areas, Channel Islands, BT, most IV, HS, KA-27-28, Any KW, AB30-56, FK17-99, G83, KW1-14, PA21-40, PH18-26, PH30-41, PH49-50, all ZE, IM, and any other non mainland postcodes.