Ortofon ST M25 transformer

Specific for SPU Mono and 78 rpm

12 dB gain

Transfo Mono

Made in Japan

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Manufacturer : ORTOFON

559,00 €

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Description

The Ortofon ST M25 transformer is only designed for the Ortofon SPU Mono CG 25 DI MKII and SPU CG 65 DI MKII MC cartridges.

ORTOFON ST M25: CHARACTERISTICS

Of course, the output level of Ortofon’s cartridges is too low for a MM input. It is often unsuitable for traditional MC cartridges, which offer too much gain. Indeed, the output level of these SPU is 1.5 mV, which makes them a little atypical.

The ST M25 is specially designed to increase the voltage by 12 dB and to match the inputs of phono preamplifiers with a gain between 38 dB and 44 dB.

As both cartridges are monophonic, they supply the same monaural signal from both L and R channels. Therefore, the L and R channels of the turntable must be connected via the Ortofon ST M25 to the preamplifier.

The Ortofon ST M25 is equipped with a mono coil, so the signal is fully neutral.

ORTOFON ST M25: TEST AND LISTENING

Associated to the SPU Mono CG 25 DI MKII and SPU Mono CG 65 DI MKII cartridges, the Ortofon ST M25 transformer provides a powerful and dynamic restitution, while remaining accurate to the sound quality of early monophonic recordings.

Franck

Recommended cartridge impedance: 5-50 ohms

Gain: 12 dB at 1 kHz

Bandwidth: 10 Hz - 100 kHz (+/- 1 dB)

Output: 47 kOhm / 200 pF

Dimensions: 65 x 39 x 98 mm

Weight: 0.410 kg

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Ortofon ST M25 transformer

Ortofon ST M25 transformer

Specific for SPU Mono and 78 rpm

12 dB gain

Transfo Mono

Made in Japan

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