DIA-CM8.4B | 8" 70 WATT RMS WATT MID-RANGE SPEAKER WITH BULLET - PAIR

Black Diamond introduces a mid-range that handles all you can give it. A mid-range driver that can answer the call to handle the most significant part of the audible sound spectrum. A speaker that sounds great with just instrumentals and, even better with vocals. This midrange has power you can count on. The DIA-CM8.4B delivers 140 Watts Max Power with 70 Watts RMS (per speaker)at 4 Ohms, which is enough to tackle a full range of audio. 21oz magnet with 1.2 inch high strength voice coil for high power applications. Integrated bullet resonator for higher ranges without losing midrange frequencies. High efficiency coils for maximum loudness. Sold in pairs.

This Listing Includes:
(2) Black Diamond 8" Midrange Loudspeakers DIA-CM8.4B

  FEATURES:
- 140 Watts MAX Power
- Integrated Bullet Resonator
- High Efficiency Coils

GENERAL SPECIFICATIONS PER SPEAKER:
Nominal Diameter: 8"
Nominal Impedance: 4 Ohm
RMS Power Handling: 70 Watts
MAX Power Handling: 140 Watts
Sensitivity: (1w/1m): 94.6 dB
Frequency Response: 80Hz-10KHz
Recommended Hi Pass Crossover: 100 Hz

MOTOR SPECIFICATIONS:
Voice Coil Diameter: 1.2″ / 30 mm
Voice Coil Former Material: KSV
Winding Material: CCAW
Cone Material: Paper
Surround Material: Cloth
Basket Material: Steel
Magnet Material: Ceramic
Magnet Weight: 21.64 OZ

THIELE & SMALL PARAMETERS:
Equivalent Volume: Vas 18.514L
Excursion(one way): Xmax 3mm
Free Air Resonance: Fs 95Hz
Mechanical Factor: Qms 19.204
Electrical Factor: Qes 1.602
Total Factor: Qts 1.479
Mechanical Mass: Mms 9.798g
Mechanical Compliance: Cms 285.179m/N
BL Factor: BL 3.475
Voice Coil Inductance: Le 0.21mH
Cone Area: Sd 167mm2
DC Resistance: Re 3.3 Ohms

MEASUREMENTS:
Overall Diameter : 8.27″ / 210mm
Overall Depth: 3.54″ / 90mm
Front Mount Baffle Cutout: 7.05″ / 179 mm
Mounting Depth: 3.31″ / 84 mm
Motor Diameter: 3.94″ / 100mm