Click to zoom in
Customer Images:
No Images yet! Submit a product image below!
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
Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.
Questions and Answers
Click each question to see its answers.
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
Asked by Anonymous on January 7th, 2020.
January 7th, 2020
Staff Member
Tone is subjective, so we aren't able to say this is "ideal" for any particular situation. This speaker has a generally positive reputation however, so people seem to like this speaker.
Product Reviews