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EQ Coil - Comparison Chart
Mundorf
Jantzen
Solen
Intertechnik
Result
Trade name
EQ coils
L100
Air coils
NA
CU 1.0mm
Wheeler formula
Yes
No
No
NA
No
Higher DCR and lower Q factor
Bonded coil
Yes
Yes
optional
Yes
NA
No
Bonded coils offer lower microphonic distortion
Hysteresis tension devices
Yes
No
No
NA
No
Inconsistent winding factor and DCR’s
Precision Orthocyclic tooling matched to .001”
Yes
No
No
NA
No
Improved matching of coils. Lower inductive tolerance.
Computerized Orthocyclic layer winding
Yes
No
No
NA
No
Improved layering and lower DCR.
Purity Guarantee
Click here for details
Yes
No
No
NA
No
Unknown purity and conductivity can result in smeared sound
Tolerance
2%
3%
3%
NA
3%
Lower tolerances can assure your coil is closer to the advertised value
1.0mh #18AWG coil DCR CLAIMED
0.471 Ω
0.49 Ω
0.55 Ω
NA
0.60 Ω
Higher DCRs result in increased power loss and reduced performance.
1.0mh #18AWG coil DCR MEASURED
0.482 Ω
0.531 Ω
0.572 Ω
NA
0.581 Ω
Higher DCRs result in increased power loss and reduced performance.