AMP MAKER 15W Single Ended Output transformer

£44.24 (Excl VAT £36.87)

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SKU: PWSE15W3K0A-CL Categories: , ,


Now with flying leads for a professional looking build.
This 15W output transformer is a natural step-up from OT01 (which is designed for a single EL84/6V6 and 5W of power): it’s designed for use with larger and higher output octal power valves. The secondary has 3 taps taps to match 4, 8 and 16 ohm speaker loads.
It has clamp-type mounting and comes with flying leads of 300mm length.

Dimensions & info

This output transformer is 78mm wide, 70mm deep and 65mm tall. Fixing centres for the U-clamp mounting feet are 96mm apart. It is designed to match 3K ohms into 4, 8 or 16 ohms loads. Tape wrapped.


High quality silicon steel
Hand laminated for the best stacking factor, and accuracy.

Winding wire

High quality virgin enamelled copper wire.
Wound using CNC winders for highly accurate wire placement and turns count.


3000 Ohms
Inductance 2.5H at 1KHz
Leakage inductance 6mH


4 Ohm, 8 Ohm and 16 Ohm

Power rating


Connecting wire

High quality PVC 300V
20AWG UL1581

Additional information

Weight 1.2 kg
mounting style



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


Clamp Drawing Key

Label Description Dimension (mm)
A Width 76
B Height 64
C Depth 64
D Core depth 36
E Mounting distance 92
F Hole width 5


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