EL84 Push-Pull 10W Output transformer 8000 Ohms 43% UL taps (Mullard 5-10)

£72.00£104.00

EL84 10W Output transformer – Mullard 5-10 etc

8000 Ohm primary. 43% Ultra linear taps for improved distortion.

20% discount on 2 or more

Description

A high quality 10W at 20Hz Push pull ultra linear output transformer. Designed for the Mullard 5-10 amplifier but may be used in any single ended design with a valve having an output impedance of 8000 Ohms anode to anode, such as an EL84.

This is similar to our 6600 Ohm 20% ultra linear tap design, but results in an improvement in distortion of around 0.1% as described in the Mullard “Circuits for amplifiers” book.

Primary

Multi section winding, for reduced leakage inductance.

Inductance

Inductance 35H at 25Hz.
Leakage inductance 3mH

Bandwidth

Wide bandwidth, 10-50KHz. (-1dB)

Secondary

Output impedance 4,8 and 16 Ohms.

Steel

High quality Grain Orientated M6 0.35mm.
Hand laminated for the best stacking factor, and accuracy.

Winding wire

Double coated Grade 2 enamelled copper wire.
Wound using CNC winders for highly accurate wire placement and turns count.
Layer wound for excellent wind consistency and alignment resulting in reduced leakage inductance.

Connecting wire – stand up only

High quality PVC 600V
Primary : 24AWG UL1015
Secondary : 20 AWG UL1015

Mounting

Frame, Drop through or stand up versions, all with flying leads.

Weight

1.6Kg

Additional information

Weight 1.6 kg
Mounting type

Stand up, Drop through, Frame

Output Impedance

4, 8 & 16 Ohms, 4 Ohms, 8 Ohms, 16 Ohms

Dimensions

Here are dimensional diagrams for this transformer.
Please refer to the relevant key below for the dimensions.

shroud_with_feet.pdf
frame.pdf
drop_through.pdf

Shroud With Feet Drawing Key

Label Description Dimension (mm)
A Width 64
B Height 78
C Depth 83
D Mounting depth 48
E Mounting width 57
F Hole width 5

Frame Drawing Key

Label Description Dimension (mm)
A Width 79
B Height 67
C Depth 70
D Mounting height 54
E Mounting width 54
F Mounting depth 54
G Overall depth 70
H Mounting hole width 5

Drop through Drawing Key

Label Description Dimension (mm)
A Width 64
B Length 76
C Height 60
D Cutout width 58
E Cutout length 61
F Fixing length 64
G Fixing width 51
H Mounting hole diameter 4.1

 

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