Peerless 830 874 6½″ Midwoofer, 140 Watt, 8 Ohm

Specifications Power (RMS): 140 Watt Impedance:
8 Ohm Ευαισθησία: 87 db
Size: 6 Inches

• Nominal Diameter6-1/2“
• Power Handling (RMS)120 Watts
• Power Handling (max)240 Watts
• Impedance8 ohms
• Frequency Response150 to 8,000 Hz
• Sensitivity99 dB 1W/1m
• Voice Coil Diameter1.5“

• Resonant Frequency (Fs)126 Hz
• DC Resistance (Re)5.2 ohms
• Voice Coil Inductance (Le)0.6 mH
• Mechanical Q (Qms)4.6
• Electromagnetic Q (Qes)0.39
• Total Q (Qts)0.36
• Compliance Equivalent Volume (Vas)0.21 ft.³
• BL Product (BL)8.2 Tm
• Diaphragm Mass Inc. Airload (Mms)6g
• Maximum Linear Excursion (Xmax)0.6 mm
• Surface Area of Cone (Sd)132 cm²

• Cone MaterialPaper
• Surround MaterialFoam
• Voice Coil Wire MaterialAluminum
• Voice Coil FormerFiberglass
• Basket / Frame MaterialCast Aluminum
• Magnet MaterialNeodymium

• Overall Outside Diameter7.4“
• Baffle Cutout Diameter5.7“
• Depth3.1“
• Bolt Circle Diameter6.7“
• # Mounting Holes4

• Sealed Volume0.04 ft.³
• Sealed F3299 Hz
• Vented Volume0.11 ft.³
• Vented F3174 Hz

B&C's 6NDL44 6-1/2" cast frame neodymium woofer is a lightweight, powerful choice for ultra-compact multi-way speaker systems. Its rubber half-roll edge and treated cone are engineered to handle high bass excursions without drama, while still allowing a clean, articulate sonic signature. The 6NDL44 is also suitable as the midrange element in medium efficiency 3-way applications.

• Woofer/midrange
• High-energy neodymium motor
• 400 watt continuous program power
• 1.7" copper voice coil on a polyimide former
• Smooth, extended frequency response
• 91.5 dB 1w/1m sensitivity

6.5" Neodymium Coaxial Transducer

• 93 dB sensitivity 1 W / 1 m
• 130 W + 25 W Power Handling
• 1.5" + 1" Voice Coil
• Single point source providing coherent wave front
• 90° conical dispersion
• Optimal for compact 2-way Systems

• 93 dB Sensitivity 1 W / 1 m
• 130 W Power Handling
• 1.5" Sandwich Voice Coil
• Double treated Cone for Water Protection
• Neodymium Magnet System
• Twin Aluminum demodulating Rings for ultra low Distortion
• Optimal for compact 2- or 3-way Systems

Line Arrays

Recommended for professional audio midrange from 500Hz-3kHz. Basket is closed. Truncated basket for close
spacing in line-arrays.

• Nominal Basket Diameter 6.5“, 165 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 150 W / Music Program 300 W
• Resonance 460 Hz
• Usable Frequency Range 500 Hz - 5.4 kHz
• Sensitivity 97.8
• Magnet Weight 38 oz.
• Gap Height 0.31“, 7.92 mm
• Voice Coil Diameter 1.5“, 38.1 mm

• Resonant Frequency (fs) 460 Hz
• DC Resistance (Re) 6.3
• Coil Inductance (Le) 0.33 mH
• Mechanical Q (Qms) 3.13
• Electromagnetic Q (Qes) 1.24
• Total Q (Qts) 0.89
• Compliance Equivalent Volume (Vas) 0.4 liters / 0.01 cu. ft.
• Peak Diaphragm Displacement Volume (Vd) 2.7 cc
• Mechanical Compliance of Suspension (Cms) 0.01 mm/N
• BL Product (BL) 11.1 T-M
• Diaphragm Mass inc. Airload (Mms) 9 grams
• Efficiency Bandwidth Product (EBP) 371
• Maximum Linear Excursion (Xmax) 0.2 mm
• Surface Area of Cone (Sd) 133.1 cm²
• Maximum Mechanical Limit (Xlim) 0.8 mm

• Recommended Enclosure Volume
  Sealed N/A
  Vented N/A
• Overall Diameter 6.59“, 167 mm/Width
• Baffle Hole Diameter 5.65“, 143.5 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket as standard
• Mounting Holes Diameter 0.23“, 5.7 mm
• Mounting Holes B.C.D. 6.06“, 154 mm
• Depth 2.77“, 70 mm

• Copper voice coil
• Polyimide former
• Ferrite magnet
• Vented and extended core
• Pressed steel basket with truncated sides
• Paper Cone
• Cloth cone edge
• Solid composition paper dust cap