The brand new Aurorasound AFE-12 MC Step-Up Transformer is finalized and ready for worldwide shipment.
Features
- Lundahl MC transformer
- Transparent sound without coloration
- Unaltered cartridge characteristics
- Selectable cartridge loading for different cartridges, 3 positions:
- Low 0.7Ω –10Ω
- Mid 11Ω –30Ω
- High 31Ω –100Ω
- You can easily change cartridge loading with three position SW. Instead of the common winding tap
- method, AFE-12 uses 100% winding on both of the primary and secondary sides in all positions. The signal energy is transmitted very well.
- Small robust body, gold-plated terminals
Lundahl Transformers of Sweden is a manufacturer specialized in production of transformers for professional audio & tube amplifiers.
Their products are characterized by
- Do not use conventional bobbins
- Unique uncut amorphous cobalt core
- Dual coil construction for increased immunity to
magnetic hum - Put it in a case and do not harden with resin
- All manufacturing machines are developed in-house
Lundahl special winding technique, which does not use
conventional bobbins, avoids the problem of barrel-shaped
or anti-barrel-shaped windings when many layers coper
wire in bobbins. With stick winding insulating sheets are
wrapped directly between each layer of copper wire, so
that the windings always lay out cleanly even if there are
many layers. This allows more copper wires to be wound in
a smaller volume and results in a superior frequency
characteristics. The dual-coil structure has the advantage
that two coils of the same configuration cancel external
magnetic noise, and the magnetic flux produced by the coil
itself does not affect the outside. The AFE-12 uses an MC
SUT in which an amorphous strip is wound through the coils
in many layers on a special machine made by Lundahl, to
form an uncut core. As a result, the transformer has
efficient sound energy conversion in micro level signals and
excellent frequency characteristics.
Specifications
- Input : RCA, connect the wire from the player that equipes MC
- Output : RCA, goes to MM input of phono stage amplifier
- Cartridge impedance select : 3positions High / Low / Mid
- Gain : 26dB, at low position
- Frequency response : 20Hz ~ 50kHz, -3dB
- Size : W70 x D30 x H95mm, 244g
- Accessory : Small lubber foot