Discover the Blam Relax 100 RFC, a 4 inch (10cm) coaxial speaker precisely designed to take your car audio sound to a new level. No one can resist the powerful maximum power of 100W and a nominal power of 50W. In addition, the 20mm soft dome tweeter fits perfectly into the integrated 6 dB/oct. crossover and completes the audio miracle. The speaker is not only powerful, but also extremely efficient with a sensitivity of 90.3 dB and an impedance of 2 O. Let yourself be fascinated by the uncompromising sound and unsurpassed technology of the Blam Relax 100 RFC.

100 mm bass-midrange speaker with a high quality cellulose pulp cone and a butyl suspension. The generous dimensions of the actuator (70 mm x 15 mm) contribute to an optimal QTS, a good level of sensitivity and high power handling. The tweeter is equipped with a neodymium motor, a soft dome and a 25 mm voice coil on Kapton former.

Product Features

• 100 mm (4‘’) high sensitivity speaker
• Max power 100 W
• Nominal power 50 W
• Frequency response 80 Hz – 30 kHz
• Sensitivity 90.3 dB
• Impedance 2 Ω

Technical features

• Original BLAM composite basket reinforced with fiberglass
• High quality treated cellulose pulp membrane
• Butyl rubber surround
• Long life “Conex” spider
• 25 mm voice coil on Kapton former
• 70 mm x 15 mm ferrite magnet
• Thick magnetic circuit (4 mm)
• High quality 20 mm soft dome tweeter
• Integrated high-pass filter 6 dB/octave (Polypropylene capacitor)

Technical Specifications

• Component Speaker
• Max power 100 W
• Nominal power 50 W
• Impedance 2 Ω
• Freq. Response 80 Hz - 30 kHz
• Sensitivity (2,83V/1m) 90.3 dB
• Magnet Ferrite
• Magnet size Ø x h 70 x 15 mm 2.756‘’x 0.591‘’
• Total driver displacement 0.11 l 0.004 cf
• Weight of one component 0.578 kg 1.274 lb
• Voice coil Ø 25 mm 0.984“
• Voice coil height 8.4 mm 0.331“
• Cone Cellulose pulp

Product Parameters

• effective Ø (d) 84 mm
• Sd 55.42 cm²
• Xmax 2 mm
• Re 2.6 Ω
• Fs 109.87 Hz
• Le 97.33 µH @ 1 kHz
• L2 157.34 µH @10 kHz
• Vas 1.76 L
• Mms 5.16 g
• Cms 0.000407 m/N
• BL 3.49 Tm
• Qts 0.66
• Qes 0.77
• Qms 4.72

Dimensions

Note: This item/pack is sold as a pair and contains 2 speakers.