Input: 2.83 volts measured at 1 Meter
Boston 1020













Get that classic tone of Alnico with the Boston 1020 by ToneSpeak. This 10-inch speaker brings warmth, articulation, and a touch of vintage compression that enhances your playing dynamics. With rich, full lows, scooped mids, and shimmering highs, the Boston 1020 ensures your guitar tone remains detailed and expressive across the full frequency range.
At the heart of this speaker is a classic 1960s-style 6.8 oz. Alnico magnet, designed for quick impulse response and a naturally dynamic feel. As you push the speaker, the Alnico magnet subtly compresses, delivering a smooth and musical breakup that adds an unmatched sweetness to your sound. Paired with a USA-made seamed paper cone, this speaker delivers the authentic American tone that guitarists crave.
Key Features
- 10-inch (250 mm), 20-Watt power handling at 8 Ω impedance
- 96 dB SPL sensitivity for a well-balanced output
- Classic 6.8 oz. Alnico magnet for vintage compression and dynamic response
- USA-made seamed paper cone for rich tonal character
- 1” copper voice coil with Kraft paper former for durability and warmth
Add a touch of timeless American tone to your amp with the Boston 1020—where vintage character meets modern reliability.
sensitivity & impedance curves
Input: 2.83 volts measured at 1 Meter
Where to buy
Canada
germany
japan
general specifications
parameter | value |
---|---|
Nominal Diameter (in & mm) | 10" (250 mm) |
Nominal Impedance (Z) (Ω) | |
Rated Power IEC268-5 (W) | 20 |
Program Power (W) | 40 |
Magnet Weight (g) | 193 |
Voice Coil Diameter (mm) | 25 |
Sensitivity (dB SPL) | 96 |
Frequency Range (Hz) | 65 - 6300 |
small signal parameters
parameter | value |
---|---|
Resonant Frequency (Fs) (Hz) +/- 15% | 112 |
DC Resistance (Re) (Ω) | 6.2 |
Voice Coil Inductance (Le) (mH) | 0.35 |
Moving Mass (Mms) (gm) | 15.84 |
Suspension Compliance (Cms) (mm/N) | 0.1 |
Motor Force Factor (BL) (T•M) | 5.91 |
Mechanical Q Factor (Qms) | 18.38 |
Electrical Q Factor (Qes) | 1.99 |
Total Q Factor (Qts) | 1.8 |
Compliance Equivalent Volume (Vas) (L) | 28.27 |
Surface Area of Diaphragm (Sd) (cm²) | 397.61 |
material description
parameter | value |
---|---|
Basket Type | Cold-rolled steel |
Magnet Material | Alnico |
Cone Body Material | Paper composite |
Cone Surround Material | Paper composite |
Dust Cap Material | Felt |
Spider Material | |
Voice Coil Wire Material | Copper |
Voice Coil Former Material | Kraft paper |
Voice Coil Winding Style | Single Layer |