Coaxial/Twin Cone

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K12H-100TC

K12H-100TC
K12H-100TC

  • 12" twin cone drive unit with extended high frequency response
  • 1.75" high temperature copper voice coil for increased reliability and 100Wrms (AES standard) power handling
  • Optimised cone neck/voice coil assembly for increased strength, minimising high frequency distortion and improving sound quality
  • Secondary cone terminated by pressure formed cloth dust cap for enhanced mid-band clarity
  • High efficiency magnet structure design delivers improved sensitivity
  • Double roll surround for greater excursion control and smooth frequency response

8Ω Frequency Response

Product Graph
  1. Tested for two hours using a continuous, band-limited pink noise signal as per AES standard. Power calculated on minimum impedance. Loudspeaker tested in free air.
  2. Measured on axis at 1W, 1m in 2π anechoic environment.
  3. Xmax derived from: (voice coil winding width-gap depth)/2.

General Specifications

Nominal diameter
305mm/12in
Power rating1
100Wrms
Nominal impedance
Sensitivity2
97dB
Frequency range
50-10,000Hz
Voice coil diameter
45mm/1.75in
Chassis type
Pressed steel
Magnet type
Ferrite
Magnet weight
1.41kg/50oz
Coil material
Round copper
Former material
Kapton
Cone material
Kevlar loaded paper
Surround material
Cloth-sealed
Suspension
Single
Xmax
1mm/0.04in
Gap depth
8mm/0.31in
Voice coil winding width
10mm/0.39in

Small Signal Parameters

D
0.26m/10.24in
Fs
67.5Hz
Mms
43.669g/1.54oz
Mmd
36.747g/1.30oz
Qms
5.381
Qes
0.581
Qts
0.525
Re
5.43Ω
Vas
50.7lt/1.79ft3
BI
13.16Tm
Cms
0.127mm/N
Rms
3.443kg/s
Le (at 1kHz)
0.625mH

Mounting Information

Diameter
309mm/12.17in
Overall depth
129.7mm/5.11in
Cut-out diameter
283mm/11.14in
Mounting slot dimensions
Ø7.9mm/0.31in
Number of mounting slots
4
Mounting PCD range
297mm/11.69in
Unit weight
3.8kg/8.4lb

Packed Dimensions & Weight

Single pack size W x D x H
333mm x 322mm x 145mm
/13.1in x 12.7in x 5.7in
Single pack weight
4.5kg/10lb