C8R

General Characteristics for 4Ω
Nominal Overall Diameter207 mm.8 in.
Nominal Voice Coil Diameter25 mm.1.00 in.
Magnet Weight270 g10.00 oz
Overall Weight2.20 lbs
Flux Density1.00 T
Thiele-Small Parameters for 4Ω
Voice Coil DC ResistanceRE3.00 Ω
Resonance FrequencyƒS131.0 Hz
Mechanical Q FactorQMS9.65
Electrical Q FactorQES1.66
Total Q FactorQTS1.42
Mechanical Moving MassMMS9.2 g
Mechanical ComplianceCMS161 µm/N
Force FactorBxL3.76 Wb/m
Equivalent Acoustic VolumeVAS10.3 lt.
Maximum Linear DisplacementXMAX±1.00 mm
Reference EfficiencynO1.34 %
Diaphragm AreaSD213.8 cm2
Losses Electrical ResistanceRES19.0 Ω
Voice Coil Inductance @ 1kHzLE0.22 mH
Constructive Characteristics for 4Ω
MagnetFerrite
Voice Coil WindingCopper
Voice Coil FormerKapton
Cone MaterialPaper
Surround MaterialIntegrated Paper
Dust Dome MaterialTreated Cloth
Basket MaterialPressed Sheet Steel
Electrical Characteristics for 4Ω
Nominal Impedance4 Ω
Rated Power25 W
Musical Power50 W
Sensitivity@1W,1m94.4 dB
General Characteristics for 8Ω
Nominal Overall Diameter207 mm.8 in.
Nominal Voice Coil Diameter25 mm.1.00 in.
Magnet Weight270 g10.00 oz
Overall Weight2.20 lbs
Flux Density1.00 T
Thiele-Small Parameters for 8Ω
Voice Coil DC ResistanceRE7.00 Ω
Resonance FrequencyƒS125.0 Hz
Mechanical Q FactorQMS11.61
Electrical Q FactorQES2.21
Total Q FactorQTS1.86
Mechanical Moving MassMMS8.7 g
Mechanical ComplianceCMS182 µm/N
Force FactorBxL4.69 Wb/m
Equivalent Acoustic VolumeVAS11.7 lt.
Maximum Linear DisplacementXMAX±1.00 mm
Reference EfficiencynO1.03 %
Diaphragm AreaSD213.8 cm2
Losses Electrical ResistanceRES37.0 Ω
Voice Coil Inductance @ 1kHzLE0.43 mH
Constructive Characteristics for 8Ω
MagnetFerrite
Voice Coil WindingCopper
Voice Coil FormerKapton
Cone MaterialPaper
Surround MaterialIntegrated Paper
Dust Dome MaterialTreated Cloth
Basket MaterialPressed Sheet Steel
Electrical Characteristics for 8Ω
Nominal Impedance8 Ω
Rated Power25 W
Musical Power50 W
Sensitivity@1W,1m92.7 dB
8"
,
25 watts
  • Ohms:

Crystal clear tone with brightly shining highs. It responds to overdrive distortion with a bright fuzz lead voice.

Lows:Mids:Highs:Overdrive:
TightAggressiveBrightEdgy
Crystal clear tone with brightly shining highs. Responds to overdrive distortion with a bright fuzz lead voice.
Bright and hard
Sound Samples:
Clean Sound Sample00:18https://www.jensentone.com/sites/jensentone.com/files/sound_samples/c8r_clean_0.mp3
Overdriven Sound Sample00:18https://www.jensentone.com/sites/jensentone.com/files/sound_samples/c8r_overdriven_0.mp3
Blues Sound Sample00:49https://www.jensentone.com/sites/jensentone.com/files/sound_samples/c8r_blues.mp3
Country Sound Sample00:35https://www.jensentone.com/sites/jensentone.com/files/sound_samples/c8r_country.mp3
Jazz Sound Sample00:43https://www.jensentone.com/sites/jensentone.com/files/sound_samples/c8r_jazz.mp3
Metal Sound Sample00:53https://www.jensentone.com/sites/jensentone.com/files/sound_samples/c8r_metal.mp3
Rock Sound Sample00:41https://www.jensentone.com/sites/jensentone.com/files/sound_samples/c8r_rock.mp3
Having trouble playing our sound samples? Click here to access the files directly.

User Reviews

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I did purchase a C8R 4ohm speaker to use with my kit amp:
The speaker is a good match for this amp and has considerable volume capabilities.