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FRS 7 S, 6.5 cm (2.5") full-range speaker ART No 2012, with balanced frequency response and very good highs. Especially suitable as built-in speaker for music reproduction and as driver for 100 V network column speakers. Very low resonance frequency.
Typical applications
- Narrow network column speakers
- Monitoring speaker for electronic devices
- Model construction
- Electronic musical instruments
Attributes
- Waterproof membrane
- metal design
- 100 °C temperature resistant
Rated power |
8 W |
Maximum power |
15 W |
Nominal impedance Z |
8 Ohm |
Frequency response |
120–20000 Hz |
Mean sound pressure level |
84 dB (1 W/1 m) |
Opening angle (-6 dB) |
149°/4000 Hz |
Excursion limit |
+/−1.5 mm |
Resonance frequency fs |
150 Hz |
Magnetic induction |
1.2 T |
Magnetic flux |
160 µWb |
Height of front pole-plate |
2 mm |
Voice coil diameter |
14 mm |
Height of winding |
5 mm |
Cutout diameter |
61 mm |
Net weight |
0.2 kg |
D.C. resistance Rdc |
7.2 Ohm |
Mechanical Q factor Qms |
5.38 |
Electrical Q factor Qes |
2.01 |
Total Q factor Qts |
1.46 |
Equivalent volume Vas |
0.9 l |
Effective piston area Sd |
22 cm² |
Dynamically moved mass Mms |
0.8 g |
Force factor Bxl |
1.8 Tm |
Inductance of the voice coil L |
0.6 mH |
Connections |
2.8 x 0.5 mm (+)/2.8 x 0.5 mm (-) |
Temperature range |
−25 ... 100 °C |
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- 130 W + 25 W Power handling
- 1.5" + 1" voice coil
- Single point source providing coherent wave front
- 900 conical dispersion
- Optimal for compact 2-way systems
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Woofer 6" 300w program/94dB/W/m-70-
5000Hz.
300 W continuous program power capacity
38 mm (1.5 in) aluminium voice coil
70 - 5000 Hz response
94 dB sensitivity
Specification
Nominal Diameter 170 (6.5) mm (in)
Nominal Impedance (1) 8 Ohm
Minimum Impedence 6.6 Ohm
Nominal Power Handling (2) 150 W
Continuous Power Handling (3) 300 W
Sensitivity (1W/1m) (4) 94 dB
Frequency Range 70 - 5000 Hz
Voice Coil Diameter 38 (1.5) mm (in)
Winding Material Copper
Former Material Glass Fibre
Winding Depth 12.5 (1/2) mm (in)
Magnetic Gap Depth 6 (0.25) mm (in)
Flux Density 1.4 T
Thiele & Small Parameters
Fs 75 Hz
Re 5.4 Ohm
Qes 0.31
Qms 11.7
Qts 0.3
Vas 8 (0.28) dm3 (ft3)
Sd 132 (20.5) cm2 (in2)
Eta Zero 1 %
Xmax +/- 6 mm
Xvar +/- 7.5 mm
Mms 14 g
Bl 10.8 Txm
Le 0.6 mH
Mounting and Shipping Info
Overall Diameter 187 mm (7.4 in)
Bolt Circle Diameter 172 mm (6.7 in)
Baffle Cutout Diameter 145 mm (5.7 in)
Depth 82 mm (3.2 in)
Flange and Gasket Thickness 9 mm (0.35 in)
Net Weight 2.2 kg (4.8 lb)
Shipping Weight (4 units) 10.1 kg (22.2 lb)
Shipping Box (4 units) 405x225x210 mm
(15.9x8.8x8.3 in)
1For different impedances, please ask.
22 hours test made with continuous pink noise signal (6 dB crest factor).
Power calculated on rated minimum impedance.
3Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.
4Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance.
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- 2,5'' voice coil fiberglass former and aluminium winding
- Progressive wave spider
- Cloth surround with DAR technology
- Ventilated magnet and voice coil to reduce power compression
- 92.8 dB sensitivity
Manual/Εγχειρίδιο
| ALPHA- Serie 100W- 200W
Recommended for professional audio mid-range applications in a sealed cabinet, or as a mid-bass in a vented
satellite enclosure.
SPECIFICATION
- Nominal Basket Diameter 6.5“, 165 mm
- Nominal Impedance 8 ohms
- Power Rating Watts 100 W / Music Program 200 W
- Resonance 118 Hz
- Usable Frequency Range 85 Hz - 6 kHz
- Sensitivity 93.6
- Magnet Weight 20 oz.
- Gap Height 0.25“, 6.35 mm
- Voice Coil Diameter 1.5“, 38.1 mm
THIELE & Small Parameters
- Resonant Frequency (fs) 118 Hz
- DC Resistance (Re) 7.2
- Coil Inductance (Le) 0.19 mH
- Mechanical Q (Qms) 5.68
- Electromagnetic Q (Qes) 0.60
- Total Q (Qts) 0.54
- Compliance Equivalent Volume (Vas) 5.8 liters / 0.2 cu. ft.
- Peak Diaphragm Displacement Volume (Vd) 44cc
- Mechanical Compliance of Suspension (Cms) 0.26 mm/N
- BL Product (BL) 8.0 T-M
- Diaphragm Mass inc. Airload (Mms) 7 grams
- Efficiency Bandwidth Product (EBP) 197 Maximum Linear Excursion (Xmax) 3.5 mm
- Surface Area of Cone (Sd) 126.7 cm²
- Maximum Mechanical Limit (Xlim) 4.0 mm
MOUNTING Information
- Recommended Enclosure Volume
Sealed 2.8-5.7 liters / 0.1-0.2 cu. ft.
Vented 3.4-15.6 liters / 0.12-0.55 cu. ft.
- Overall Diameter 6.59“, 167.4 mm
- Baffle Hole Diameter 5.69“, 144.5 mm
- Front Sealing Gasket fitted as standard
- Rear Sealing Gasket fitted as standard
- Mounting Holes Diameter 0.23“, 5.7 mm
- Mounting Holes B.C.D. 6.06“, 154 mm
- Depth 2.8“, 71 mm
MATERIALS of Construction
- Copper voice coil
- Polyimide former
- Ferrite magnet
- Vented and extended core
- Pressed steel basket
- Paper Cone
- Cloth cone edge
- Solid composition paper dust cap
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