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Air Core Coils

Air Core Choke

Model

 Inductance Wire Diameter DC Resistance
771-308 0.15mH 1.2mm 0.15Ω
771-310 0.18mH 1.2mm 0.15Ω
771-312 0.22mH 1.2mm 0.15Ω
19 x 48mmØ coils with 300W RMS power rating. They have low resistance, due to the oxygen free copper coils. Air spaced and are distortion free, perfect for midrange frequencies in 2-way crossovers.
Order Code   Each  
771-308 0.15mH Air Core Coil 4.80  
771-310 0.18mH Air Core Coil 5.96  
771-312 0.22mH Air Core Coil 6.41  

 

Air Core Choke

Model

 Inductance Wire Diameter DC Resistance
771-324 0.68mH 1.2mm 0.35Ω
771-326 0.82mH 1.2mm 0.35Ω
771-328 1.0mH 1.2mm 0.40Ω
19 x 59mmØ coils with 300W RMS power rating. They have low resistance, due to the oxygen free copper coils. Air spaced and are distortion free, perfect for midrange frequencies in 2-way crossovers.
Order Code   Each  
771-324 0.68mH Air Core Coil 11.42  
771-326 0.82mH Air Core Coil 11.25  
771-328 1.0mH Air Core Coil 14.25  

 

Air Core Coil

Model

 Inductance Wire Diameter DC Resistance
771-336 2.2mH 1.2mm 0.60Ω
30 x 70mmØ coils with 300W RMS power rating. They have low resistance, due to the oxygen free copper coils. Air spaced and are distortion free, perfect for midrange frequencies in 2-way crossovers.
Order Code   Each  
771-336 2.2mH Air Core Coil 21.75  

Ferrite Core Coils

Ferrite Cored Coil

Model

 Inductance Wire Diameter Power Rating RMS 8Ω/4Ω DC Resistance Saturation Current (50Hz)

Dimensions
771-250 8.2mH 1.4mm 200/100W 0.40Ω 5.0A 65 x 39mm
Small coils wound on ferrite carriers, these coils have a very low DC resistance and are classed in the medium power rating. These ferrite cored coils are ideal for constructing professional crossovers.
Order Code   Each  
771-250 8.2mH Transformer Core Coil 25.99  

Transformer Core Coils

500W Transformer Core Coil El-57

Model

 Inductance Wire Diameter Power Rating RMS 8Ω/4Ω DC Resistance Saturation Current (50Hz)

Dimensions
771-140 3.3mH 1.2mm 500/250W 0.13Ω 7.9A 60 x 50 x 42mm
High quality crossover network coils of very high power rating, low distortion (vacuum sealed) and minimum internal resistance. This type of coil is the first choice for all serious PA applications.
Order Code   Each  
771-140 3.3mH Transformer Core Coil 16.88  

 

480W Transformer Core Coil EL-76

Model

 Inductance Wire Diameter Power Rating RMS 8Ω/4Ω DC Resistance Saturation Current (50Hz)

Dimensions
771-154 12mH 1.6mm 480/240W 0.14Ω 7.7A 76 x 65 x 92mm
High quality crossover network coils of very high power rating, low distortion (vacuum sealed) and minimum internal resistance. This type of coil is the first choice for all serious PA applications.
Order Code   Each  
771-154 12.0mH Transformer Core Coil 52.50  

 

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sales@esr.co.uk

Tel: 0191 251 4363

  
 

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All Prices are in Pounds Sterling and Exclude VAT