MiniTeddy Special Edition

MiniTeddy front side
MiniTeddy back side

A new level of refinement, details and SILENCE

 The MiniTeddy Special Edition, featuring the new Teddinator design, is based on years of experience, countless hours of development, testing, and listening .

Our new MiniTeddy Special Edition is a single-outlet power supply in a compact-sized, all-aluminum chassis. The Special Edition circuitry is based on the new Teddinator voltage regulator.
The Teddynator is a fully discrete design, based entirely on ultra low noise JFET transistors with no IC chips. It is a result of countless hours of development, testing and listening. Its design is inspired by the writings of great minds like Walt Jung and Nelson Pass.
With the new regulator and the new circuit around it, we were able to achieve impressive new levels of low noise, low output impedance and fast response time, resulting in a highly involving sound, perfectly timed and with no apparent phasing errors, hence our new slogan : The Art of Silence.
The MiniTeddy SE will start shipping in September 2024, and will be positioned as a cost option for all versions of our highly sucessful MiniTeddy.

Key Features

Compatibility

The MiniTeddy is compatible with a wide variety of products:
– DACS.
– Streamers and digital end-points.
– Phonostages.
– Network switches and routers.

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MiniTeddy SE: Under the hood

The new Tedinator – Discrete Voltage Regulator

The MiniTeddy SE features the new Tedinator, a fully discrete voltage regulator, with no IC chips whatsoever, developed through countless hours of development, testing and listening.
The Tedinator is designed for accuracy and low noise, inspired by the writings of great minds such as Walt Jung and Nelson Pass.
Each Tedinator is calibrated and tested individually during the product assembly process.

The Tedinator is placed in a dedicated socket, and can be easily replaced in the future.

Tedinator: Front Side
Tedinator – back side

New Board Layout

Apart from the new Tedinator regulator board, the MiniTeddy SE received a new layout, with special attention to several critical features:

  • Two-stage active noise-filtering.
  • Low impedance ground connections (star-ground configuration).
  • Low impedance output stage.
  • Noise shielding in the sensitive regulator stage.

In addition, careful selection of quality components:

  • Oversized transformer, with 50-90VA rating, depending on product.
  • Main capacitots: Rubicon (Japan), total capacitance: 18,800uF.
  • Electrolytic capacitors: Panasonic (Japan).
  • Tantalum capacitors: Vishay (Israel).
  • Film capacitors: Panasonic (Japan).
  • All resistors are metal film 1%. Resistors in sensitive locations are 0.1%.
  • All transistors in the regulator stage are JFET transistors from Toshiba (Japan).

Future Upgradeability

The Tedinator can be easily replaced by removing it from its socket, for two main reasons:

  • Future upgrades to new versions.
  • Change of output voltage (limited by the internal transformer).

MiniTeddy SE: Product Specifications

  • Dimensions (HxWxD, cm): 6x18x14
  • Weight: 2Kg
  • Input AC voltage: 100v, 110v or 230v (depending on shipping country).
  • Transformer rating – 50-90 VA, depending on product type.
  • Output DC voltage: 3.2v — 72v, depending on specific models.
  • Output noise: less than 1uV when loaded.
  • Output impedance: less than 0.1 Ohm.
  • Environmental operation conditions: -25 to +105 degrees.
  • Expected service life: at least 15 years without any service required.

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