Input Choke 8H /130mA for tube amplifiers power supply.

TECHNICAL FEATURES: Inductance: 8H

Airgap set at :130mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 130mA rated working current)

DC resistance :59Ω DC

Max current:350mA

Core size:EI85/30

Lamination thickness:0.50mm

Core material: Low loss ,high quality silicon steel made in Europe. Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 1.37Kgr

Dimensions: 50mmx70x86mm

Mounting: horizontal/vertical placement

Input Choke 18H /200mA for tube amplifiers power supply.

TECHNICAL FEATURES: Inductance: 16H

Airgap set at :200mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 270mA rated working current)

DC resistance :48Ω DC

Max current:350mA

Core size:EI96/60

Lamination thickness:0.35mm

Core material: M6 Low loss ,high quality silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 3.6Kgr

Dimensions: 103mmx83x98mm

Mounting: horizontal/vertical placement

Upgrade Power Supply Choke for Fender Amplifiers

Enhance the performance and longevity of your classic Fender amplifier with this high-quality upgrade power supply choke.

This choke is developed specifically for Fender amplifiers - such as BF/SF Twin Reverb (65-100W), Super Reverb (45W), Bassman (50-100W), Bandmaster, Dual Showman - after thorough examination of original vintage Fender choke #022699.

It offers superior filtering and improved voltage regulation to provide a cleaner, more stable power delivery twithought altering your tone.

Built to handle the power demands of these iconic amplifiers, it reduces ripple and noise, ensuring your sound remains crisp, articulate, and free from unwanted interference.

Whether you're playing at home or performing on stage, this choke helps maintain consistent tonal integrity even at high volume levels. In addition, crafted with durability in mind, it features premium materials and precise engineering, making it a reliable replacement for worn-out or underperforming chokes in vintage amplifiers.

This upgrade not only ensures optimal electrical performance but also improves the overall responsiveness of your amp, delivering tighter bass response and smoother midrange frequencies.

Easy to install and designed for a perfect fit in your Fender amp, this choke is a must-have upgrade for players looking to get the most out of their gear.

Upgrade today and experience the difference in tone and performance!

TECHNICAL FEATURES:

Inductance: 6H

Airgap set at :90mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 150mA rated working current)

DC resistance :90Ω

Max current:200mA

Core size:EI60/20

Lamination thickness:0.50mm

Core material: Low loss ,high quality silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Choke 5H /250mA for Skunkie Designs KT120 monoblocks

TECHNICAL FEATURES:

Inductance: 5H

Airgap set at :250mA 

DC resistance :65Ω

DC Max current: 350mA

Core size:EI60/30

Core material: high quality silicon steel made in Europe.

Lamination thickness: 0.35mm

Winding Wire:Double coated Grade 2 enamelled copper wire made in Europe

Dimensions:62mx51.5mmx55mm (86mm foot distance)

Footprint hole 5x6mm

Weight: 780gr

Wire length :350mm

Mounting: horizontal For further technical info/ questions, communication is always welcome.

Tube amplifier projects and related circuits use high voltage and contact with high voltages can cause serious injury or death.

If you are not experienced with high voltage safety and working with high voltage, this is not the project for you and you act at your own risk and responsibility.

TECHNICAL FEATURES:

Inductance: 2H

Airgap set at :250mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 250mA rated working current)

DC resistance :66Ω

Max current:400mA

Core size:EI48/16

Lamination thickness:0.50mm

Core material: Low loss ,high quality silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 0.32Kgr

Dimensions: 49.8mmx37.4x41.8mm

Mounting: horizontal placement

Choke 7H /600mA for tube amplifiers power supply.

TECHNICAL FEATURES:

Inductance:7H

airgap set at :600mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 600mA rated working current)

DC resistance :41Ω

DC Max current: 700mA

Core size:EI120/50

Core material: high quality silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 5.7 Kgr

Dimensions: 120mmx100x90mm

Mounting: drop through chassis

Choke 12H /120mA for tube amplifiers power supply.

TECHNICAL FEATURES:

Inductance: 12H

airgap set at :120mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 120mA rated working current)

DC resistance :126Ω

DC Max current: 250mA

Core size:EI75/40

Core material: high quality silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 1.55 Kgr Dimensions: 76mmx64x68mm

Mounting: horizontal/vertical placement

Dynaco ST70 Choke 2H /250mA

TECHNICAL FEATURES:

Inductance: 2H

Airgap set at :250mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 250mA rated working current)

DC resistance :62Ω

Max current:400mA

Core size:EI48/16

Lamination thickness:0.50mm

Core material: Low loss ,high quality silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 0.32Kgr

Dimensions: 49.8mmx37.4x41.8mm

Mounting: horizontal placement

Input Choke 8H /270mA for tube amplifiers power supply.

TECHNICAL FEATURES:

Inductance: 8H

Airgap set at :270mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 270mA rated working current)

DC resistance :38Ω DC

Max current:350mA

Core size:EI96/35

Lamination thickness:0.50mm

Core material: Low loss ,high quality silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 2.37Kgr

Dimensions: 73mmx83x98mm

Mounting: horizontal/vertical placement

Power Supply Choke 12H/150mA

TECHNICAL FEATURES:

Inductance: 12H

Airgap set at :150mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 150mA rated working current)

DC resistance :210Ω

Max current: 190mA

Core size:EI60/60

Core material: High quality silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 1.050 Kgr

Dimensions: 76mmx50x108mm

Mounting: vertical placement

Power Supply Tapped Choke 50H/50mA

TECHNICAL FEATURES:

Inductance: 50H

Tap set : 40%

Airgap set at :50mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 50mA rated working current)

DC resistance :410Ω

Max current: 130mA

Core size:EI75/35

Core material: M6 grain oriented silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 1.3 Kgr

Dimensions: 76mmx63x86.5mm

Mounting: vertical placement

Power Supply Tapped Choke 25H/100mA

TECHNICAL FEATURES:

Inductance: 25H

Tap set: 40%

Airgap set at :100mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 100mA rated working current)

DC resistance :375Ω

Max current: 150mA

Core size:EI75/25

Core material: M6 grain oriented silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 1.050 Kgr

Dimensions: 76mmx63x76.5mm

Mounting: vertical placement

Choke 25H /200mA for tube amplifiers power supply.

TECHNICAL FEATURES:

Inductance: 25H

Airgap set at :200mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 200mA rated working current)

DC resistance :114Ω DC

Max current:400mA

Core size:EI96/50

Lamination thickness:0.35mm

Core material: Low loss ,high quality silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 3.12Kgr

Dimensions: 90mmx86x96mm

Mounting: horizontal/vertical placement

Choke 20H /100mA for tube amplifiers power supply.

TECHNICAL FEATURES:

Inductance: 20H

Airgap set at :100mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 400mA rated working current)

DC resistance :155Ω DC

Max current: 200mA

Core size:EI75/40

Core material: M6 grain oriented silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 1.55 Kgr

Dimensions: 76mmx64x68mm

Mounting: horizontal/vertical placement

Designed especially for 300B SE amplifiers

TECHNICAL FEATURES:

Inductance: 10H

Airgap set at :200mA

DC resistance :89Ω

DC Max current: 250mA

Core size:EI75/40

Core material: high quality silicon steel made in Europe.

Winding Wire:Double coated Grade 2 enamelled copper wire

Weight : 1.55 Kgr

Dimensions: 76mmx64x68mm

Mounting: horizontal/vertical placement

Choke 10H /100mA for tube amplifiers power supply.

TECHNICAL FEATURES:

Inductance: 10H

Airgap set at :100mA ( the airgap is optimized for keeping the inductance stable over DC current variations more than 100mA rated working current)

DC resistance :77Ω

DC Max current: 300mA

Core size:EI60/30

Core material: high quality silicon steel made in Europe.

Lamination thickness: 0.5mm

Winding Wire:Double coated Grade 2 enamelled copper wire made in Europe

Dimensions:62mx51.5mmx55mm (86mm foot distance)

Footprint hole 5x6mm

Weight: 700gr

Wire length :350mm

Mounting: horizontal For further technical info/ questions, communication is always welcome.

Tube amplifier projects and related circuits use high voltage and contact with high voltages can cause serious injury or death.

If you are not experienced with high voltage safety and working with high voltage, this is not the project for you and you act at your own risk and responsibility.