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Tonespeak Detroit 820 8" / 20 W / 4 Ohm

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Description

Turn heads with this 8" hempen guitar speaker, the Detroit 820. This model brings out an organic and vintage tweed sound, creating warm and full lows, strong and barky mids, and creamy highs to round out the top end.

The Detroit 820 is the perfect choice for guitarists looking for an upgrade to their blues or rock tone. High sensitivity, a hemp composite cone, a powerful ferrite magnet, dual-lug terminals for easy connectivity, and a sturdy steel basket come together to enhance your style and sound to make you the talk of the town.

American tone guitar speaker

8" (203 mm) steel basket diameter
20 watts, 4 ohm, 94 dB SPL
1" copper voice coil, Kraft paper former
10 oz ferrite magnet
USA-made hemp cone
Size, Nominal (inch & mm): 8" (203 mm)
RoHS Compliant: Yes
Nominal Impedance (Z) (Ω): 4
Rated Power IEC268-5 (W): 20 Watts
Rated Impedance (Ω): 4
Continuous Power (W): 20
Program Power (W): 40
Frequency Range (Hz): 80 - 10,000
Sensitivity (dB SPL) ¹: 94
Resonant Frequency (Fs) (Hz): 139
DC Resistance (Re) (Ω): 3.4
Voice Coil Inductance (Le) (mH): 0.12
Mechanical Q Factor (Qms): 15.36
Electrical Q Factor (Qes): 4.45
Total Q Factor (Qts): 3.45
Mechanical Resistance (Rms) (kg/s): 0.47
Compliance Equivalent Volume (Vas) (L): 10.92
Suspension Compliance (Cms) (mm/N): 0.16
Surface Area of Diaphragm (Sd) (cm²): 221.67
Moving Mass (Mms) (gm): 8.28
Magnetic Gap Height (mm): 6.0
Coil Winding Height (mm): 6.35
Motor Force Factor (BL) (T•M): 2.36
Efficiency (η₀) (%): 0.64
Efficiency Bandwidth Product (EBP) (Fs/Qes): 31.46
Basket Type: Stamped steel with black powder coat
Terminal Size (mm): 5.2 x 0.5
Voice Coil Wire Material: Copper
Voice Coil Former Material: Nomex
Voice Coil Winding Style: Single Layer
Magnet Material: Ferrite
Magnet Weight (g): 283.5
Cone Body Material: Hemp
Dust Cap Material: Felt
Spider Material: Cotton
Net Weight (kg): 1.01

Information about the manufacturer

Herstellerinformationen | Manufacturer Information
Tonespeak - MISCO Minneapolis Speaker Co. Inc.
1771 Energy Park Drive #400
55108-27 St. Paul, MN
USA
http://www.misco.com

EU Wirtschaftsakteur | EU Economic Operator
Tube-Town GmbH, Rumbergring 37, 66969 Lemberg, Germany, info@tube-town.de

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Recommended products:

TT Diffusor 12" - Standard

Universal size for 12" speakers
Dome diameter: 80 mm - recommended for most of the guitar loudspeaker with average beaming

As the frequency increases, the radiation of a loudspeaker is increasingly focused on its center. If the listener is in this beam, the sound is extremely harsh and biting; if one moves to the side of it, the sound becomes significantly darker and treble components are partially missing.
To reduce this behavior, a diffuser is used. This sits directly in the beam of the speaker and deflects the high frequencies very strongly, it breaks the "beam". This makes the sound much fuller and more balanced.

15,85 €

Pentecost 2025

Tonespeak Detroit 820 8" / 20 W / 4 Ohm

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