Austin 1250

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Austin 1250Austin 1250Austin 1250Austin 1250
  • ToneSpeak's seven year warranty logo
  • RoHS-Compliant logo
  • Made-in-Minnesota logo
  • ISO 9001-2015 certification logo
  • Klippel-verified logo

The Austin 1250 by ToneSpeak blends vintage American roots with modern precision, delivering a speaker that is full, punchy, and exceptionally balanced. With tailored mids that enhance articulation, open and airy highs, and tight, responsive lows, this speaker provides clarity and musicality in every note.

Designed for versatility, the Austin 1250 features a felted paper cone and surround for smooth tonal transitions, a 50 oz. ferrite magnet for strong projection, and a 1.75-inch copper voice coil with a Kraft paper former for warmth and definition. Optimized for the Deluxe Reverb but suitable for any amp where pure American tone is desired.

Key Features:

  • 12-inch (305 mm), 50-Watt power handling at 8 Ω impedance
  • 100 dB SPL sensitivity for excellent projection
  • Felted paper cone & surround for smooth response
  • 1.75-inch copper voice coil with Kraft paper former for warmth
  • 50 oz. ferrite magnet for punchy and dynamic sound

For players who demand balance, articulation, and warmth, the Austin 1250 delivers classic American tone with modern refinement.

sensitivity & impedance curves

Input: 2.83 volts measured at 1 Meter

Input: 2.83 volts measured at 1 Meter

0 deg response
30 deg response
60 deg response
impedance
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  • General Specifications
    General Specifications for the Austin 1250 speaker
    Nominal Diameter (in & mm)12" (305 mm)
    Nominal Impedance (Z) (Ω)8
    Rated Power IEC268-5 (W)50
    Program Power (W)100
    Magnet Weight (g)1417
    Voice Coil Diameter (mm)44
    Sensitivity (dB SPL)100
    Frequency Range (Hz)80 - 5000
  • Small Signal Parameters
    Small Signal Parameters for the Austin 1250 speaker
    Resonant Frequency (Fs) (Hz) +/- 15%90
    DC Resistance (Re) (Ω)7.1
    Voice Coil Inductance (Le) (mH)0.39
    Moving Mass (Mms) (gm)28.2
    Suspension Compliance (Cms) (mm/N)0.1
    Motor Force Factor (BL) (T•M)14.3
    Mechanical Q Factor (Qms)18.41
    Electrical Q Factor (Qes)0.56
    Total Q Factor (Qts)0.54
    Compliance Equivalent Volume (Vas) (L)46.1
    Surface Area of Diaphragm (Sd) (cm²)539.1
  • Material Description
    The Material Description for the Austin 1250 speaker
    Basket TypeStamped steel with black powder coat painting
    Magnet MaterialFerrite
    Cone Body MaterialFelted paper
    Cone Surround MaterialFelted paper with damping edge treat
    Dust Cap MaterialOpen cloth
    Spider MaterialCotton
    Voice Coil Wire MaterialCopper
    Voice Coil Former MaterialKraft paper former
    Voice Coil Winding StyleSingle layer
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