Description
This transformer was inspired by the EAR 834P RIAA pre-amplifier, but may be used in many other designs.
Being a pre-amp the spec on this transformer is very conservative. It is designed with very low flux density, and high quality M6 laminations, meaning the magnetising current is tiny, and the stray flux is very small.
This would normally be enough for a pre-amplifier transformer, but we went further, and added a bright copper flux band, to reduce any stray flux down to almost nothing.
The fact that the magnetising current is so small ensures the mag current waveform is still quite sinusoidal meaning less harmonics to be generated. This is much better than a typical toroidal transformer, where the mag current is high, and is very distorted, generating lots of harmonics.
The copper band makes the transformer look great.
Proudly made in the United Kingdom
Primaries
European primary voltages, 220V, 230V, 240V and 250V.
Secondaries
A single 250V 80mA secondary for use with a silicon rectifier.
Heater winding 6.3V at 2A centre tapped.
Steel
High quality Grain Orientated M6 0.35mm.
Hand laminated for the best stacking factor, and accuracy.
Construction
Separate primary and secondary sections for safety.
Winding wire
Double coated Grade 2 enamelled copper wire.
Wound using CNC winders for highly accurate wire placement and turns count.
Connecting wire – stand up only
High quality PVC 600V
Primary and HT : 24AWG UL1015
Secondary LT : 20 AWG UL1015
Weight
1Kg
Compliance
Built and tested to safety standard BS EN 61558-1 2005
shroud_with_feet.pdf
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