Dayton Audio Reference RS150P-A

The Reference RS150P-A is a high-quality woofer from Dayton Audio. With a diameter of 6.5" (16.5cm) and an improved three-part paper composite membrane made of paper, Kevlar and glass fibers, this speaker offers excellent sound quality and performance. The technical improvements result in a natural and detailed sound, a highly sophisticated frequency response and an impressive sensitivity of 90.3 dB. Perfect for use as a woofer and midrange speaker or as a pure midrange speaker, the RS150P-A sets new standards in its class.

• Now with improved frequency response for easier crossover integration
• Three-part paper composite membrane with paper, Kevlar and glass fibers
• Low-distortion motor, 6-hole cast iron frame, rubber surround and solid aluminum phase plug
• Perfect for use as a woofer and midrange speaker or as a pure midrange speaker
• 90.3 dB sensitivity and 4.4 mm stroke

Now with improved frequency response - Dayton Audio has  the design has been revised and the result is a much smoother treble roll-off, allowing for a wider bandwidth and easier crossover integration.

The performance of Dayton Audio's original, groundbreaking Reference Series, now with a paper cone! The Reference Series paper drivers use a proprietary paper cone that combines natural pulp and synthetic Kevlar® - and glass fibers to create an advanced fiber fleece that offers the perfect combination of excellent detail and soft, natural sound character as well as a distinctive, elegant appearance.

• 6.5" (16.5cm) woofer
• Power handling: 40 watts RMS
• Max load: 65 watts
• Impedance (Z): 4 Ohm
• Sensitivity: 90.3 dB @ 2.83V/1m
• Frequency response: 45 - 10,000 Hz
• Voice coil diameter: 25 mm
• DC resistance (Re): 3.5 Ohm
• Voice coil induction (Le): 0.39 mH @ 1 kHz
• Resonance frequency (Fs): 43.7 Hz
• Mechanical degree (Qms): 1.85
• Electrical value (Qes): 0.42
• Overall quality (Qts): 0.34
• Moving mass (mms): 8.6g
• Suspension compliance (Cms): 1.54 mm/N
• Membrane area (Sd): 85.0 cm²
• Displacement volume (Vd): 37.4 cm³
• Force factor (BL): 4.4 Tm
• Equivalent volume (Vas): 15.7 liters
• Maximum deflection (Xmax): 4.4 mm
• Cone/membrane material: paper/Kevlar cone
• Bead material: rubber
• Basket/frame material: cast aluminum
• Magnetic material: Ferrite
• Outer diameter: 150 mm
• Total depth: 73.5 mm
• Diameter of the cutout: 121.5 mm
• Mounting holes: 6
• Closed volume: 2.54 liters
• Closed F3: 137 Hz
• Bass reflex volume: 5.38 liters
• Bass reflex F3: 81 Hz

• 6.5" (16.5cm) woofer
• Power handling: 40 watts RMS
• Max load: 65 watts
• Impedance (Z): 8 Ohm
• Sensitivity: 88.7 dB 2.83V/1m
• Frequency response: 49 - 10,000 Hz
• Voice coil diameter: 25 mm
• DC resistance (Re): 6.7 ohms
• Voice coil induction (Le): 0.65 mH @ 1 kHz
• Resonance frequency (Fs): 47.1 Hz
• Mechanical quality (Qms): 1.66
• Electrical value (Qes): 0.43
• Overall quality (Qts): 0.34
• Moving mass (mms): 6.9g
• Suspension compliance (Cms): 1.65 mm/N
• Membrane area (Sd): 85.0 cm²
• Displacement volume (Vd): 34.0 cm³
• Force factor (BL): 5.6 Tm
• Equivalent volume (Vas): 16.7 liters
• Maximum deflection (Xmax): 4 mm
• Cone/membrane material: paper/Kevlar cone
• Bead material: rubber
• Basket/frame material: cast aluminum
• Magnetic material: Ferrite
• Outer diameter: 150 mm
• Total depth: 73.5 mm
• Diameter of the cutout: 121.5 mm
• Mounting holes: 6
• Closed volume:  10.47 liters
• Closed F3: 85 Hz
• Bass reflex volume:  28.83 liters
• Bass reflex F3: 49 Hz