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Speaker - Eminence® Patriot, 8", 820H, 20W, 4Ω
Lead/Rhythm 8" guitar speaker. A rich, warm, full bodied tone that emulates a larger cone, with fat, punchy lows, smooth, but defined highs, and a nice break up. The mids are prominent, but with a warm, smooth texture
RoHS Compliant
| Baffle Hole Diameter | 7.13 in | |
| Basket Material | Pressed Sheet Steel | |
| Coil Construction | copper voice coil | |
| Coil Former | Polyimide former | |
| Coil Inductance (le) | 0.33 mH | |
| Cone Composition | Paper cone | |
| Cone Edge Composition | Full paper cone | |
| Core Details | None-vented core | |
| D.C. Resistance (Re) | 3.64 Ω | |
| Depth | 3.06 in. | |
| Diameter | 8 in. | |
| Driver Volume Displaced | 0.51 liters | |
| Dust Cap Composition | Zurette dust cap | |
| Efficiency Bandwidth Product (ebp) | 156 | |
| Electrical Q Factor (Qes) | 0.92 | |
| Equivalent Acoustic Volume (VAS) | 9.62 liters | |
| Force Factor (BxL) | 5.74 Wb/m | |
| Front Sealing Gasket | Yes | |
| Gap Height | 6.4 mm | |
| Linear Displacement, maximum (XMAX) | 1.59 mm | |
| Magnet Composition | Ferrite | |
| Magnet Weight | 15 oz. | |
| Mechanical Compliance (CMS) | 0.13 mm/N | |
| Mechanical Moving Mass (MMS) | 9 g | |
| Mechanical Q Factor (QMS) | 18.78 | |
| Mounting Hole Bolt Circle Diameter | 196.9 mm | |
| Mounting Hole Diameter | 5.6mm | |
| Nominal Basket Diameter | 8 in. | |
| Nominal Impedance | 4 Ω | |
| Overall Diameter | 209.3 mm | |
| Peak Diaphragm Displacement Volume (vd) | 36.7 cm3 | |
| Power Rating | 20 W | |
| Program Power Rating | 40 W | |
| Recommended Enclosure Volume, sealed | Acceptable | |
| Recommended Enclosure Volume, vented | Acceptable | |
| Resonance | 144 Hz | |
| Resonance Frequency (ƒS) | 144 Hz | |
| Sensitivity | 96.1 dB | |
| Surface Area Of Cone (sd) | 230.9 cm2 | |
| Total Q Factor (QTS) | 0.88 | |
| Usable Frequency Range | 80 Hz - 4.6 kHz | |
| Voice Coil Diameter | 1 in. |
| Packaging Dimensions | 9.25 in. × 9.25 in. × 4.125 in. | |
| Weight (Packaging) | 3.9 lbs. |
 Specification Sheet | All Models |
 Sound Sample - Clean Strat | All Models |
| Sound Sample - Clean Tele using both pickups | All Models |
| Sound Sample - Clean Tele using bridge pickup | All Models |
| Sound Sample - Jazzy Tele using neck pickup | All Models |
| Sound Sample - Les Paul Humbucker bridge pickup | All Models |
| Sound Sample - Les Paul Humbucker bridge pickup with solo | All Models |
| Sound Sample - Open G rock bridge pickup | All Models |
| Sound Sample - Raunch Tele | All Models |
| Sound Sample - Rock Les Paul bridge pickup | All Models |
My Project Lists
Specifications, Files, and Documents
Sound Samples:
Sound Sample - Clean Strat00:22https://www.amplifiedparts.com/sites/default/files/associated_files/p-a-820h-4-sound_sample_clean_strat.mp3
Sound Sample - Clean Tele using both pickups00:19https://www.amplifiedparts.com/sites/default/files/associated_files/p-a-820h-4-sound_sample_clean_tele_using_both_pickups.mp3
Sound Sample - Clean Tele using bridge pickup00:10https://www.amplifiedparts.com/sites/default/files/associated_files/p-a-820h-4-sound_sample_clean_tele_using_bridge_pickup.mp3
Sound Sample - Jazzy Tele using neck pickup00:24https://www.amplifiedparts.com/sites/default/files/associated_files/p-a-820h-4-sound_sample_jazzy_tele_using_neck_pickup.mp3
Sound Sample - Les Paul Humbucker bridge pickup00:25https://www.amplifiedparts.com/sites/default/files/associated_files/p-a-820h-4-sound_sample_les_paul_humbucker_bridge_pickup.mp3
Sound Sample - Les Paul Humbucker bridge pickup with solo00:26https://www.amplifiedparts.com/sites/default/files/associated_files/p-a-820h-4-sound_sample_les_paul_humbucker_bridge_pickup_with_solo.mp3
Sound Sample - Open G rock bridge pickup00:28https://www.amplifiedparts.com/sites/default/files/associated_files/p-a-820h-4-sound_sample_open_g_rock_bridge_pickup.mp3
Sound Sample - Raunch Tele00:24https://www.amplifiedparts.com/sites/default/files/associated_files/p-a-820h-4-sound_sample_raunch_tele.mp3
Sound Sample - Rock Les Paul bridge pickup00:28https://www.amplifiedparts.com/sites/default/files/associated_files/p-a-820h-4-sound_sample_rock_les_paul_bridge_pickup.mp3
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Questions and Answers
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1 answers
Will this fit a 75 champ?
Asked by Anonymous on November 9th, 2017.
This speaker has a diameter of 8" and a depth of 3.06”. You will want to measure your speaker/cab to insure a proper fit.
1 answers
I have a VOX VT20X the specs 8'" 20 w 4 ohms is exact to this amp, would this be an ideal upgrade from the stock VOX speaker
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