Plug In Transformer
Due to the low impedance and output voltages of some cartridges, such as the SL-15, it is often necessary to employ a transformer.
Ortofon offers the 2-15K, a twin transformer (for stereo use) with cables and plugs which can be plugged in between the normal connecting cables and standard amplifier input (47k ohms).
The output impedance of the transformer is 15k ohms; however this does not mean that the amplifier input impedance has to be 15k ohms too.
The electrodynamic system has a 'flat' (velocity versus frequency) response irrespective of the load.
Input impedance: 2 ohms
Output impedance: 15k ohms
Load impedance: 47k ohms
Frequency response: 10 to 40,000Hz
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Ortofon 2-15K / 215K owners manual, service manuals and schematics are for reference only and the Vinyl Engine bears no responsibility for errors or other inaccuracies. The PDF files are provided under strict licence. Reproduction without prior permission or for financial gain is strictly prohibited. This website is not affiliated with or sponsored by Ortofon.