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Trilogy 908 Pre Amplifier
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Trilogy 908 Pre Amplifier

£1,745.83 Exc. VAT |  


Trilogy 908 Pre-Amplifier

Redefining boundaries; audio performance is truly state of the art. TAS link provides flexible system control. A ground breaking Pre Amp for the discerning audiophile.

Audiophile performance from a compact package. Remote control, sophisticated software features and TAS link connectivity mean this suprisingly small form delivers big value as well as the Trilogy hallmark: un compromised musicality.

Trilogy 908 Valve Pre-Amplifier

The Trilogy 908 may be small, but its half width case conceals a fully featured, valve audiophile stereo preamplifier with big possibilities. The 908 is designed to perfectly complement the 992 hybrid mono power amplifiers. With footprints a little larger than a sheet of A4 paper, together they rewrite the rule book on what can be expected from such a compact format.

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The 908 has six inputs with fixed and variable outputs. The control software is extremely comprehensive: a fully specified suite of configuration and TAS link functions, all of which are accessed via a logical hierarchy. The feature set is as comprehensive as our award winning 909

A high quality graphical LCD provides clear information for navigating the intuitive menu structure. Together with input selection, volume and balance, each input can be given its own name and gain trim.

Other features include security bonding, a real time clock to provide timer on/off and sleep events. Film mode allows integration into a home cinema system and other TAS link enabled products can be also accessed and report their status through the 908. Further technical details below.

Standard finish is a soft, finely bead blasted natural aluminium. You can also choose one of our five lustrous paint finishes at extra cost, or take advantage of the Chameleon Colour System which opens up a whole new dimension of possibilities.

Technical Details:

A tight signal path is in keeping with Trilogy's key philosophy of minimal signal path for maximum performance. Up to six incoming sources are relay switched relays within millimetres of the rear panel connectors. A fixed level unbuffered output is available for recorders if needed.

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The preamplifier circuit is single ended, pure Class A with no feedback. An ECC88 triode provides the active element. Conservatively rated, thousands of hours of service can usually be expected before replacement.

Separate power transformers serve the control and audio circuits for maximum power supply isolation. The crucial audio power supply regulators are active constant current sources with shunt regulation. This topology outperforms the traditional linear regulator under dynamic conditions, enhancing sound quality.

Selected precision resistors and Mundorf capacitors further signal the 908’s audiophile intent. the audio performance is pure Trilogy: supremely musical and involving.


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The control menu is accessed using combinations of the rotary encoder, enter and escape buttons. All often used functions such as input selection and volume are quick and easy to alter.

Remote control is via the supplied infra red handset. Our solid aluminum matching PRC is the alternative perfect compliment as an extra cost option. The colour graphical LCD has adjustable brightness.

Each input can be left as factory preset or given a custom label of your choice which is displayed each time the input is selected. A gain trim can also be assigned to each input to equalise volume levels between sources.

Balance control is available in 1dB steps. Default start up volume and balance settings can be saved via the menu system.

A real time clock provides multi event, seven day system switch on, switch off via TAS link. This allows you to fully warm up your system before coming home to listen. A sleep function provides power down after a selected period of your choice.

Film Mode can be selected for any input, enabling the 908 to integrate seamlessly with your AV processor for multi channel use.

Other Trilogy products can be "Named" via TAS link for status monitoring and remote control.  Any intelligent features will then be available for use via the 908.

A wide range of user programmable defaults including setting the home page display and PIN protected control menu locking.

Other Trilogy products can be bonded to the 908 via TAS link for system wide security. This function prevents the bonded units from operating if they are not connected to their bonded master 908. Simply select unbond within the menu to break the link for transportation or audition in other systems.

The 908 is PIN protected for your security. In the event of disconnection from the mains supply for more than thirty minutes a PIN will be required for operation.

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TAS link is Trilogy's proprietary interface bus; designed expressly for the high resolution audio environment. It is a fully bidirectional system which means any intelligent future products are able to interface seamlessly with existing ones, without the need for software upgrades.

Commonly found RJ45 connectors are used for linking products together. DC and general purpose lines (GPI) allow some functions to be used with remotely controlled equipment from other manufacturers.

Status reporting, remote interrogation and control of other Trilogy products as well as user configurable bus settings are all within TAS link's remarkable reach.







 220*378*78 (W*D*H)
 Size including connectors  220*388*78 (W*D*H)
 Packaged Size  350*475*210 (W*D*H)
 Weight  3.65 Kg
 Packaged Weight  5.15 Kg
 Standby Power Consumption  2 Watts
 Maximum Power consumption  35 Watts
 Inputs  6 RCA phono sockets
 Input Impedance  Greater than 50KOhms
 Main Outputs  1 RCA phono socket
 Rec (Tape) Outputs  1 RCA phono socket
 Output impedance (Main)  Less than 400 Ohms
 Frequency response 10Hz-30KHz +/- 0.5dB
 Gain (Inputs to Rec outputs)  0dB
 Gain (Inputs to Main outputs)  12dB +/- 1dB
 Film Gain (Inputs to Main outputs)  0dB +/- 1dB
 Distortion  Less than 0.1% A weighted at 1V output
 Phase  Inverting

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