GM70 Single Ended Output Transformer(Pair) 45W,

Designed for use with GM70 tubes

TECHNICAL FEATURES:

Primary Impedance: 8K

Secondary Impedance:8 Ω

Primary Inductance Lp=80H

airgap set for : 100mA (customizable up to 120mA)

Primary DC resitance:289R

Max Dc current :250mA

Maximum output power :45W

Frequency Response: 5Hz-50Khz -3dB

core material:High quality Annealed CRGO silicon steel M6 ,made in Europe

core size : EI 120/70 ,

lamination thickness /0.35mm

Weight:6.2Kgr per transformer

Winding method :layer wound with insulation

Winding Wire: Double coated Grade 2 enamelled copper wire made in Europe Wound in Precision Multi section winding, for reduced leakage inductance and high dielectric strength.

Mounting: Vertical End bells

All transformers are tested in real working tube amplifiers before shipping.

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.

845 Single Ended Output Transformer(Pair) 45W,

Designed for use with 845 tubes

TECHNICAL FEATURES:

Primary Impedance: 10K

Secondary Impedance:8 Ω

Primary Inductance Lp=85H

airgap set for : 80mA (customizable up to 120mA)

Primary DC resitance:309R

Max Dc current :250mA

Maximum output power :45W

Frequency Response: 5Hz-50Khz -3dB

core material:High quality Annealed CRGO silicon steel M6 ,made in Europe

core size : EI 120/80 ,

lamination thickness /0.35mm

Weight:7Kgr per transformer

Winding method :layer wound with insulation

Winding Wire: Double coated Grade 2 enamelled copper wire made in Europe Wound in Precision Multi section winding, for reduced leakage inductance and high dielectric strength.

Mounting: Vertical End bells

All transformers are tested in real working tube amplifiers before shipping.

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.

211 Single Ended Output Transformer(Pair) 45W,

Designed for use with 211 tubes ,can deliver up to 45 watts in class A2

TECHNICAL FEATURES:

Primary Impedance: 12K

Secondary Impedance:8 Ω

Primary Inductance Lp=90H

airgap set for : 60mA (customizable up to 80mA)

Primary DC resitance:289R

Max Dc current :250mA

Maximum output power :45W

Frequency Response: 5Hz-51Khz -3dB

core material:High quality Annealed CRGO silicon steel M6 ,made in Europe

core size : EI 120/70 ,

lamination thickness /0.35mm

Weight:6.2Kgr per transformer

Winding method :layer wound with insulation

Winding Wire: Double coated Grade 2 enamelled copper wire made in Europe Wound in Precision Multi section winding, for reduced leakage inductance and high dielectric strength.

Mounting: Vertical End bells

All transformers are tested in real working tube amplifiers before shipping.

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.

The transformer set is suitable for building SE projects based on tubes like EL84 or building projects based on Decware/Spud amplifier topology.

The set comprises of a pair of Output Transformers .

TECHNICAL FEATURES: 

Primary Impedance: 7K5

Secondary Impedance: 8 Ω

Airgap set:35mA

Primary Dc resistance: 471 Ohm

Max Dc current :95mA

Frequency Response: 7hz-35Khz -3bB at 1W output (EL84 triode without GNFB)

Maximum output power 5W

Core size :EI60/30

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

Footprint hole 5x6mm

Weight: 750gr per transformer.

TECHNICAL FEATURES:

Primary Impedance: 4K

Secondary Impedance:8 Ω

Primary Inductance Lp=39H @17Vrms/50hz /90mA dc

Leakage inductance : 3.9mH

airgap set for : 90 mA

Primary Dc resistance: 179 Ohm

Max Dc current :300mA

Maximum output power :25W

Frequency Response: 12Hz-35Khz -1dB (Rsource=820R)

8Hz-66Khz -2dB

4.8Hz-110Khz -3dB

core material: High quality CRGO silicon steel M6 (19000Gauss) , DIN EN 10107 ,made in Europe

core size : EI 96/60

lamination thickness /0.35mm

dimensions:129mmx100mmx81mm

weight :3.5Kgr per transformer

Winding method :layer wound with insulation insertion between every layer.

Winding Wire: Double coated Grade 2 enameled copper wire made in Europe Wound in Precision Multi section winding, for reduced leakage inductance and high dielectric strength.

Mounting:Vertical/Horizontal Open Rrame ,ready for pottinng .

Customizable Endbell Option also available.

Single Ended 5K:8R Output Transformer(Pair) 35W, ultralinear

Designed for EL34 6L6 KT88 6550 in triode or ultralinear mode or paralleled 845 tubes

TECHNICAL FEATURES:

Primary Impedance: 5K

Secondary Impedance:8 Ω

ultralinear tap :37% ( or23% -42% on request)

airgap set for : 80 -250mA (on request)

Primary DC resitance:102R

Max Dc current :350mA

Maximum output power :35W

Frequency Response: 6.4Hz-40Khz -3dB ,

Leakage inductance:5.19mH/1khz

core material:High quality CRGO silicon steel M6 , DIN EN 10107 ,made in Europe

core size : EI 120/60 ,

lamination thickness /0.35mm

Weight:5.8Kgr per transformer

Winding method :layer wound with insulation insertion between every layer.

Winding Wire: Double coated Grade 2 enamelled copper wire made in Europe Wound in Precision Multi section winding, for reduced leakage inductance and high dielectric strength.

Mounting: Vertical

All transformers are tested in real working tube amplifiers before shipping. 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:

Primary Impedance: 5K

Secondary Impedance:4/8 Ω

ultralinear tap :42% ( or23% -33% on request)

Primary Inductance Lp=39H @17Vrms/50hz /80mA dc

Leakage inductance : 10mH

airgap set for : 80-120mA (οn request)

Primary Dc resistance: 229 Ohm

Max Dc current :160mA

Maximum output power :25W

Frequency Response:

16Hz-22Khz -1dB (Rsource=5k)

12Hz-33Khz -2dB

core material:High quality CRGO silicon steel M6 (19000Gauss), DIN EN 10107 ,made in Europe

core size : EI 96/50

lamination thickness /0.35mm

dimensions:119mmx100mmx81mm

weight :3Kgr per transformer

Winding method :layer wound with insulation insertion between every layer.

Winding Wire: Double coated Grade 2 enamelled copper wire made in Europe Wound in Precision Multi section winding, for reduced leakage inductance and high dielectric strength.

Mounting:End bells for Vertical placement

TECHNICAL FEATURES:

Primary Impedance: 3K5

Secondary Impedance:4/8 Ω

ultralinear tap :42% ( or23% -33% on request)

Primary Inductance Lp=30H @17Vrms/50hz /80mA dc

Leakage inductance : 5,2mH

airgap set for : 80-120mA (οn request)

Primary Dc resistance: 229 Ohm

Max Dc current :160mA

Maximum output power :25W

Frequency Response:

10Hz-38Khz -1dB (Rsource=1k5)

6,8Hz-44Khz -2dB

5,6Hz-90Khz-3dB

core material:High quality CRGO silicon steel M6 (19000Gauss), DIN EN 10107 ,made in Europe

core size : EI 96/50

lamination thickness /0.35mm

dimensions:119mmx100mmx81mm

weight :3Kgr per transformer

Winding method :layer wound with insulation insertion between every layer.

Winding Wire: Double coated Grade 2 enamelled copper wire made in Europe Wound in Precision Multi section winding, for reduced leakage inductance and high dielectric strength.

Mounting:End bells for Vertical placement

TECHNICAL FEATURES:

Primary Impedance: 5k

Secondary Impedance:4/8 Ω

ultralinear tap :42% ( or23% -33%-50% on request)

Primary Inductance Lp=20H @17Vrms/50hz

Leakage inductance :5.6mH

airgap set for : 80mA

Primary Dc resistance: 231 Ohm

Max Dc current :250mA

Maximum output power :20W

Frequency Response: 15Hz-45Khz -3dB

core material:High quality CRGO silicon steel M6 , DIN EN 10107 ,made in Europe

core size : EI 84/50

dimensions:82mmx75mmx87mm

weight :2.32Kgr per transformer