Black Diamond DIA-CM8.4B 8″ – 70w RMS Mid-Range Loudspeaker – B-STOCK

Black Diamond DIA-CM8.4B 8"

Black Diamond DIA-CM8.4B 8″ – 70w RMS Mid-Range Loudspeaker – B-STOCK

Original price was: $49.99.Current price is: $35.00.

In stock

Original price was: $49.99.Current price is: $35.00.


Availability: Only 1 left in stock Categories: , ,
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The Black Diamond DIA-CM8.4B 8″ midrange speakers handles it all! 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 at 4 Ohms, which is enough to tackle a full range of audio. Exclusive Black Diamond design. 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.

Black Diamond DIA-CM8.4B Specifications:
Nominal Diameter: 8″
RMS Power Handling: 70W
MAX Power Handling: 140W
Nominal Impedance: 4 Ohm
Sensitivity: (1w/1m): 94.6 dB
Frequency Response: 80Hz-10KHz
Recommended Hi Pass Crossover: 100 Hz

Black Diamond DIA-CM8.4B Motor Specifications:
Voice Coil Diameter: 1.2″ / 30 mm
Voice Coil Former Material: KSV
Winding Material: CCAW
Cone Material: Paper
Bullet Material: CNC Aluminum
Surround Material: Cloth
Basket Material: Steel
Magnet Material: Ceramic
Magnet Weight: 21.64 oz

Black Diamond DIA-CM8.4B TS Specifications:
Equivalent Volume: 18.514L
Excursion: 3mm
Free Air Resonance: 95Hz
Mechanical Factor: 19.204
Electrical Factor: 1.602
Total Factor: 1.479
Mechanical Mass: 9.798g
Mechanical Compliance: 285.179m/N
BL Factor: 3.475
Voice Coil Inductance: .21mH
Cone Area: 167mm2
DC Resistance: 3.3 Ohms

Black Diamond DIA-CM8.4B 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

We are proud to be an authorized Black Diamond dealer.

B stock – Might come with scratches/chips/dings or may even look used. These items might not come in original packaging either. However they are 100% in working order and the “b stock” status is due to the cosmetics.

Additional information

Weight 11 lbs
Speaker Impedance

Speaker RMS Rating

Speaker Size

Speaker Type


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