Trichord Research DINO MK3/Dino Never Connected Set

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Trichord Research "DINO MK3/Dino Never Connected"-SET

Trichord Research Dino MK3 Phono Pre Amplifier

The Dino Mk3 is a high performance phono amplifier which at an affordable price gives you tremendous value.

Designed for transparency and realism, this superb sounding amplifier is based on the fore-running Dino Mk1 and Dino Mk2 phono stages which have won many awards and accolades along the way.

Whether you have an ultra-low output Moving Coil cartridge or a high output Moving Magnet the Dino Mk3 will cope easily. A set of user friendly switches on the base of the unit allows you to simply adjust load and gain settings.

These settings are vital to match the amplifier to the cartridge and obtain the best sonic result. If your current phono stage only has a couple of options for this function, eg a MM/MC switch, then you are missing out on the ability to tune your system to it’s optimum.

An entire upgrade path exists for this product which allows you to improve performance each step of the way.

Two main items are required for operation – the Dino Mk3 phono stage itself and an accompanying power supply.

Start with the basic ac Toroidal Power Supply and work your way up in performance by upgrading to the ‘Dino+’ dc power supply, or ultimately to the ‘Never Connected’ dc power supply. An upgrade from the ‘Dino+’ to the ‘Never Connected’ is also possible by returning your unit to us to upgrade the electronics.

To further enhance the sonic performance of these dc power units an upgrade ‘High Performance Power Lead’ is available to replace the supplied dc power lead.

  • Improved looks – Improved sound
  • Fully compatible with all Trichord Phono Stage power supplies
  • Noise levels reduced by 4.5dB
  • High quality PTFE gold plated phono connectors on rear panel
  • Re-designed circuit board with improved ground layout
  • New analogue output stage using Low Noise, precision JFET op amps to greatly improve sound quality
  • Compatible with MM and MC cartridges
  • Gain and cartridge loading adjustable by easily accessible DIP switches
Technical specifications
  • Switch selectable cartridge resistance loading (DIP 1 and 2):
    • 33 ohms For Moving Coil cartridges
    • 100 ohms For Moving Coil cartridges
    • 1000 ohms For Moving Coil cartridges
    • 47,000 ohms For Moving Magnet and some Moving Coil cartridges
  • Switch selectable capacitance loading (DIP 1 and 2):
    • 100pF For Moving Magnet and Moving Coil cartridges
    • 1000pF For Moving Coil cartridges
  • Switch selectable gain (DIP 3 and 4):
    • MC Very Low: 100uV to 250uV (74dB)
    • MC Low: 250 to 400uV (70dB)
    • MC Normal: 400uV to 1mV (63dB)
    • MC High/MM Low: 1 to 3mV (52dB)
    • MM High: 3 to 5mV (48dB)
  • RIAA reproduction characteristics: 20Hz to 20,000Hz; +/-0.25dB
  • Output voltage: 0.5V at 1KHz
  • Dimension (WxHxD): 112 x 58 x 158 mm
Trichord Research Dino Never Connected Power Supply Unit

The NCPSU has completely different electronics to the standard ‘Dino+’ power supply.. Instead of an oversized toroidal transformer, there is a PCB mounting variety followed by our revolutionary noise reduction circuitry that is called ‘Never Connected’.

Although the regulation circuit is physically connected to the incoming mains, it is disconnected electrically. A monitoring circuit detects the portion of the sine wave that is charging the first of a pair of electrolytic capacitors. Once this first capacitor is fully charged, the diode bridge rectifier turns off and a MOSFET switching circuit transfers the charge from the first cap to the second. This cycle is repeated continuously.

At no point in time is the regulation circuitry electrically connected to the incoming rectified mains – hence the term ‘Never Connected’. The overall result is a large and measurable reduction in mains borne noise.

This dramatic reduction of mains borne noise enables the Dino phono circuit to give of its very best. As with the ‘Dino+’ PSU power is delivered to the phono stage via a 4 way PTFE insulated, silver plated copper lead. This lead is upgrade-able to our ‘High Performance Interconnect Lead’.
You receive a 2 year warranty from the date of purchase for all of our high quality hifi-products.

If you observe any problem while using the product, you have the possibility to contact our friendly service team.

You can also easily manage your guarantee concern – without being obliged to – under the section My Account.