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Primed for electric guitars when you want that red-blooded rock sound.
The Patriot Series 820H is a 4 ohm hemp cone speaker with rich, warm, full bodied tone with fat, punchy lows, smooth, but defined highs and a nice break up. Prominent mids, but with a warm, smooth texture.
Nominal Basket Diameter: 8", 203.2mmNominal Impedance: 4 ohmsPower Rating: 20WResonance: 143.55HzUsable Frequency Range: 80Hz - 4.6kHzSensitivity: 96.1dBMagnet Weight: 15oz.Gap Height: 0.25", 6.35mmVoice Coil Diameter: 1", 25.4mmThiele & Small Parameters
- Resonant Frequency (fs): 143.55Hz
- DC Resistance (Re): 3.64
- Coil Inductance (Le): 0.33mH
- Mechanical Q (Qms): 18.78
- Electromagnetic Q (Qes): 0.92
- Total Q (Qts): 0.88
- Compliance Equivalent Volume (Vas): 9.62 liters / .34 cu.ft.
- Peak Diaphragm Displacement Volume (Vd): 36.7cc
- Mechanical Compliance of Suspension (Cms): 0.13mm/N
- BL Product (BL): 5.74 T-M
- Diaphragm Mass Inc. Airload (MMs): 9.25 grams
- Efficiency Bandwidth Product (EBP): 155.7
- Maximum Linear Excursion (Xmax): 1.59mm
- Surface Area of Cone (Sd): 230.9 cm2
- Maximum Mechanical Limit (Xlim): 0mm
Material of Construction
- Driver Volume Displaced: 31.12 cu.in. / .51 liters
- Overall Diameter: 8.24", 314.45mm
- Baffle Hole Diameter: 11.06", 209.3mm
- Front Sealing Gasket: Fitted as Standard
- Mounting Holes Diameter: 0.22", 5.58mm
- Mounting Holes B.C.D.: 7.75", 193.85mm
- Depth: 3.06", 77.72mm
- Net Weight: 3.1lb., 1.41kg.
- Shipping Weight: 3.9lb., 1.77kg.
- Coil Construction: Copprt Voice Coil
- Coil Former: Polymide former
- Magnet Composition: Ferrite magnet
- Core Details: None-vented core
- Basket Materials: Pressed steel basket
- Cone Composition: Paper cone
- Cone Edge Composition: Full paper cone
- Dust Cap Composition: Zurette dust cap
When you want to give your guitar the right tone, give it some Patriotic power. Order today!
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