Dayton Audio Reference RS225P-A
8" (20cm) bass-midrange driver
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Description
The Reference RS225P-A is an impressive 8" (20cm) bass-midrange driver. Part of the renowned Dayton Audio Reference Series, it offers excellent audio quality. Innovative in its class, this mid-bass driver features a three-piece paper composite cone and low distortion motor, backed by an amazing frequency bandwidth and easy crossover integration. The manufacturing process utilizes a proprietary cone compound and delivers outstanding detail. Whether used as a woofer, midrange driver or dedicated midrange driver, the RS225P-A makes every listening experience a special treat.
Highlights
- 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, midrange driver or dedicated midrange driver
- 92.9 dB sensitivity and 6 mm stroke
Features of the RS225P-4A
- 8" (20cm) bass-midrange driver
- Power handling: 80 watts RMS
- Max. load capacity: 120 watts
- Impedance (Z) : 4 Ohm
- Sensitivity: 92.9 dB @ 2.83V/1m
- Frequency response: 35 - 5,500 Hz
- Voice coil diameter: 38.5 mm
- DC resistance (Re) : 3.3 Ohm
- Voice coil inductance (Le) : 0.51 mH @ 1 kHz
- Resonant frequency (Fs) : 37.7 Hz
- Mechanical quality (Qms) : 1.85
- Electrical degree (Qes) : 0.48
- Overall quality (Qts) : 0.38
- Moving mass (mms) : 25.0g
- Compliance of the suspension (Cms) : 0.71 mm/N
- Membrane surface area (Sd) : 213.8 cm²
- Displacement volume (Vd) : 128.2 cm³
- Force factor (BL) : 6.4 Tm
- Equivalent volume (Vas) : 45.8 liters
- Maximum deflection (Xmax) : 6 mm
- Cone / diaphragm material: paper / Kevlar cone
- Bead material: Rubber
- Basket/frame material: cast aluminum
- Magnetic material: Ferrites
- Outer diameter: 223 mm
- Total depth: 84 mm
- Diameter of the cut-out: 184 mm
- Mounting holes: 6
- Diameter of the mounting holes: 209 mm
- Closed volume: 3.11 liters
- Closed F3: 117 Hz
- Bass reflex volume: 7.65 liters
- Bass reflex F3: 71 Hz
Features of the RS225P-8A
- 8" (20cm) bass-midrange driver
- Power handling: 80 watts RMS
- Max. load capacity: 120 watts
- Impedance (Z) : 8 Ohm
- Sensitivity: 89.1 dB @ 2.83V/1m
- Frequency response: 30 - 7,000 Hz
- Voice coil diameter: 38.6 mm
- DC resistance (Re) : 7.1 Ohm
- Voice coil induction (Le) : 1.02 mH @ 1 kHz
- Resonant frequency (Fs) : 31.6 Hz
- Mechanical quality (Qms) : 1.25
- Electrical degree (Qes) : 0.46
- Overall quality (Qts) : 0.34
- Moving mass (mms) : 23.6g
- Compliance of the suspension (Cms) : 1.07 mm/N
- Membrane surface area (Sd) : 213.8 cm²
- Displacement volume (Vd) : 70.3 cm³
- Force factor (BL) : 8.5 tm
- Equivalent volume (Vas) : 68.8 liters
- Maximum deflection (Xmax) : 7 mm
- Cone / diaphragm material: paper / Kevlar cone
- Bead material: Rubber
- Basket/frame material: cast aluminum
- Magnetic material: Ferrites
- Outer diameter: 223 mm
- Total depth: 89 mm
- Diameter of the cut-out: 184 mm
- Mounting holes: 6
- Closed volume: 11.6 liters
- Closed F3: 80 Hz
- Bass reflex volume: 29.37 liters
- Bass reflex F3: 49 Hz
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