Model

C 6B & C1T

Type

Active Component Speakers

Brand

HELIX

HELIX C 1T 1" TWEETERS + C 6B 6.5"/165mm MIDWOOFERS, BRAND NEW KITS WITH WOODEN BOX ABSOLUTELY TOP CLASS 2-WAY ACTIVE KIT FOR REAL MUSIC ENTHUSIASTS AND LOVERS C 6B woofers: These reference speakers in our C-series raise the bar to a new level of fantastic sound quality. The legendary sisal woofer cones are equipped with an additional structural damping layer made of an elastomer, which again improves the acoustic properties of the driver. The tweeter enclosure also underwent a complete overhaul. Anyone who wants to operate these loudspeakers as fully active speakers (e.g. using our new digital signal processors) can put together the system of their choice by combining the individual components. Features: - High-end mid-woofer with sturdy aluminum diecast basket - Mid-woofer cone with scooped, long-fibered sisal with additional elastomer structural damping - Virtually compression-free conversion of the amplifier power into sound pressure - Lowest manufacturing tolerances and exclusive use of selected materials - Grille included Technical Details: Power RMS / max. 150 / 300 Watts Impedance 4 Ω DC resistance Re 3.4 Ω Resonance frequency Fs 54 Hz Mechanical Q factor Qms 11.1 Electrical Q factor Qes 0.55 Total Q factor Qts 0.53 Compliance Cms 490 µm/N Equivalent air volume Vas 12.4 L Force factor B*I 6.1 Tm Efficiency 1 W / 1 m SPL 88 dB Cone area Sd 135 cm² Moving mass Mms 17.8 g Cone material: Sisal with elastomer structural damping Mechanical resistance Rms 0.54 kg/s Voice coil diameter ø 37 mm Voice coil winding height 12 mm Max. linear excursion Xmax +/- 3 mm Outer diameter ø 166 mm / 6.54" Installation diameter ø 145 mm / 5.71" Installation depth 67 mm / 2.64" C 1T tweeters: These reference speakers in our C series raise the bar to a new level of fantastic sound quality. The legendary sisal woofer cones are equipped with an additional structural damping layer made of an elastomer, which again improves the acoustic properties of the driver. The tweeter enclosure also underwent a complete overhaul. Anyone who wants to operate these loudspeakers as fully active speakers (e.g. using our new digital signal processors) can put together the system of their choice by combining the individual components. Features: - Ultra lightweight silk dome for a distinguished and natural treble response - Sturdy protection grille for protecting the dome from damages - 12 x drilled neodymium magnet for highest magnetic flux linearity - Integrated, dampened coupling volume for very low resonance frequency Technical Details: Power RMS / max. 100 / 150 Watts (highpass > 3,000 Hz at 12 dB/Oct.) Impedance 4 Ω DC resistance Re 3.4 Ω Frequency response 820 Hz - 25,000 Hz Resonance frequency Fs 820 Hz Efficiency 1 W / 1 m SPL 90 dB Voice coil diameter ø 25 mm Cone area Sd 4.9 cm² Moving mass Mms 0.35 g Cone material Silk dome Outer diameter ø 50 mm / 2.00" Installation diameter ø 44 mm / 1.73" Installation depth 20.5 mm / 0.81" Recommended crossover frequencies for the highpass Slope Minimum crossover frequency 6 dB/Octave 3,500 Hz 12 dB/Octave >2,500 Hz 24 dB/Octave >1,800 Hz INCLUDES: Midwoofers: a pair of C 6B, wooden box, griles Tweeters: a pair of C 1T, wooden box, allen key, 2 screws and 2 sheet metal handles