ESC
Model Four (Rev. 2)

Model Four (Rev. 2)

BrandKLH
ManufacturerKLH Research & Development Corp.
FunctionSpeaker
Produced1958
CountryUnited States
Form FactorBookshelf / Stand Mounted
Signal PathPassive Hardware
Dimensions63.5 × 34.3 × 30.5 cm (W × H × D)
Weight42lbs (Shipped)
Treble1.75" Paper Cone (x2)
Midrange/Bass12" Paper Cone
Impedance (Nominal)16Ω
Crossover Frequency1.5kHz
Enclosure TypeSealed
Enclosure Volume1.5ft³
FinishMahogany, Birch, Walnut, Utility
MSRP (1960)$224 (Walnut: $231, Utility: $209)
Controls
  • Lower Treble Level (1.5kHz) · Toggle Switch · -2.5dB, 0dB, +2.5dB
  • Treble Level (6kHz) · Toggle Switch · -2.5dB, 0dB, +2.5dB
NotesChanges to crossover