ST-70 Step-Up

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ST-70 Step-Up
The Ortofon ST-70 step-up transformer has been designed for discerning audiophiles and music lovers to elevate the overall performance of their vinyl hi-fi system.

Optimised for premium Moving Coil (MC) cartridges and designed to take pressure off the phono stage, the ST-70 combines high-end components along with world-class engineering, for unparalleled sound reproduction.

Starting with high quality Lundahl™ transformers, surrounded by a specialized mu-metal shielding, the ST-70 is engineered from the ground-up to ensure that every detail in a complex array of notes is reproduced with utter purity, with freedom from internal and external sources of interference. Elsewhere inside the box, the dual-mono design provides discrete circuitry for each channel, resulting in the elimination of crosstalk and possible distortions.  This results in cleaner, clearer reproduction with substantially increased stereo imaging.  Regardless of the composition being played, the ST-70's expansive stereo separation provides lifelike realism, and accurate tonal balance devoid of coloration.

To further minimize signal degradation and maximize signal flow, the ST-70 has been engineered using a high-quality, industrial-grade PCB.  Additionally, gold plated RCA jacks with Teflon insulation provide optimal conductivity for use with high quality interconnects.

The ST-70 is compatible with a wide range of higher-end Moving Coil cartridges thanks to its two Gain/Impedance options, set using internal jumpers. But for those already using Ortofon Cadenza cartridges, the ST-70 provides the perfect technical and sonic match to the range. 

This product is no longer available to order and will not be coming back into stock.

In Stock products are those that are currently held in stock at our Oxfordshire warehouse. This stock status is updated regularly but is subject to change at very short notice.

Products that are Awaiting Stock are items that we would normally carry on stock at our Oxfordshire warehouse, but are currently unavailable. Chances are there is already more on the way, but if you would like a more accurate availability status please feel free to Contact Us.

Urgent order items are products that we do not normally carry on stock, but they are typically held on stock by our European suppliers. Depending on availability, we will seek to order these products quickly, when we have an enquiry. They can therefore be subject to quicker availability times than "Special Order" products.

Special Order items are those that are most often built to order. For these items, we tend to experience longer lead times as we negotiate them into the production line with our suppliers.

ST-70 Step-Up

RRP: £1199.00

The Ortofon ST-70 step-up transformer has been designed for discerning audiophiles and music lovers to elevate the overall performance of their vinyl hi-fi system.


format_quoteHenley Says...

If you’re finding that your moving coil cartridge isn’t reaching its full potential, or if you’re relying on excessive gain from your amplifier and risking distortion, an Ortofon Step-Up Transformer could be the perfect solution. By boosting the signal from an MC cartridge to MM levels, these transformers provide a cleaner, more dynamic performance without overloading your system.

Whenever we demonstrate Ortofon’s Exclusive Series cartridges - whether in our showroom or at high-end Hi-Fi shows - we know that pairing them with an Ortofon Step-Up Transformer helps bring out their full capabilities. The added refinement, detail, and control make a noticeable difference, allowing your system to deliver music with greater depth and realism.

Whether you're looking to optimise a high-end setup or simply want to extract the best possible sound from your MC cartridge, an Ortofon Step-Up Transformer is a fantastic way to take performance to the next level.

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Kieran Pickaver Field Sales Manager

  • Step-up transformers are an ideal to enhance the performance of a premium vinyl system that uses a moving coil cartridge. Read our full article to find out more.

    For more help and advice visit our Tech Support section.

  • PDF | 3 Mb | Info Sheet

  • PDF | 1 Mb | Product Info Sheet

  • PDF | 767 Kb | User Guide

  • JPG | 3 Mb | Stock Photo (Front)

  • JPG | 1 Mb | Stock Photo (Rear)