Leeds 1020 - 10" Alnico Guitar Speaker, 20 Watt, 8 Ohm

Brand Name
ToneSpeak
Part #
86049
In stock
$159.99

NEVER LET IT BE SAID THAT GUITAR TONE IS DEAD...

Give your listeners a tailored response of a sharp and punchy bottom-end, scooped mids, and soaring highs--keeping you in the fray at the extremes while maintaining a nice sense of sweetness in the middle of your range.

This classic 10" guitar speaker delivers a vintage sound, thanks to an alnico magnet motor that softens the tone without losing the immediacy. In addition, a vintage Kurt Müller paper cone maintains a lush profile, full-bodied sound profile that compliments your playing.

  • 10" speaker
  • 20 watts, 8 ohm
  • 6.8 oz alnico magnet
  • Kurt Müller guitar cone
  • 1" copper voice coil, Kraft paper former

For international customers, CHECK OUR DISTRIBUTORS PAGE to see what is available near you.

ToneSpeak guitar speakers are the result of years and years of the deep-dive for the perfect tone.  Decades of testing, field experience and conversations with elite tone-chasers have all been poured into these fine products.  When you play ToneSpeak, you play the best.

Download Product Specifications (PDF) »

More Information
Brand Name ToneSpeak
Size, Nominal (inch & mm) 10" (250 mm)
Shape of Speaker Round
Speaker Type Guitar Speaker
Application Musical Instruments
Environment Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 8
Rated Power IEC268-5 (W) 20 Watts
Rated Impedance (Ω) 8
Continuous Power (W) 20
Program Power (W) 40
Frequency Range (Hz) 65 - 6,300
Sensitivity (dB SPL) ¹ 96
Resonant Frequency (Fs) (Hz) 112
DC Resistance (Re) (Ω) 6.20
Voice Coil Inductance (Le) (mH) 0.35
Mechanical Q Factor (Qms) 18.38
Electrical Q Factor (Qes) 1.99
Total Q Factor (Qts) 1.80
Mechanical Resistance (Rms) (kg/s) 0.61
Compliance Equivalent Volume (Vas) (L) 28.27
Suspension Compliance (Cms) (mm/N) 0.13
Surface Area of Diaphragm (Sd) (cm²) 397.61
Moving Mass (Mms) (gm) 15.84
Motor Force Factor (BL) (T•M) 5.91
Efficiency (η₀) (%) 1.93
Efficiency Bandwidth Product (EBP) (Fs/Qes) 56.48
Basket Type Cold-rolled steel
Terminal Size (mm) 5.2 x 0.5 (Dual lug)
Voice Coil Diameter (mm) 25.4
Voice Coil Wire Material Copper
Voice Coil Former Material Kraft paper
Voice Coil Winding Style Single Layer
Magnet Material Alnico
Magnet Weight (gm) 192.77
Cone Body Material Paper composite
Cone Surround Material Paper composite
Dust Cap Material Felt
Technical Notes

¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance