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Trilogy 921 Integrated Amplifier

Trilogy 921 Integrated Amplifier

A tough design challenge was to give our “entry level” solid state amplifier the fluidity and sheer musical involvement that typically only valve amplifiers enjoy. But in the Trilogy fashion of going against the flow...

Rather than design the 921 as a pre amplifier and a separate power amplifier in one chassis, we chose a single, ultra linear gain stage that does all the voltage gain necessary. This is then directly connected to a compound output stage reminiscent of our larger power amplifiers, enjoying the same Japanese bipolar devices.

This topology has extremely high bandwidth, low distortion and very good loudspeaker control with only a tiny amount of overall shunt feedback.

The rectification and smoothing capacitor bank are on each left and right amplifier module and a separate winding on the mains transformer feeds these independently.

To make signal and current paths short and to minimise interactions between them, a stacked approach is used to enable the voltage gain cell to sit above the main pcb where the output stage and power supply exist.


 Size  465*312*106 (W*D*H)
 Size including connectors etc  465*350*106 (W*D*H)
 Weight  11 Kg
 Standby Power Consumption  1 Watt
 Maximum Power Consumption  300 Watt
 Input  5 pairs RCA phono sockets
 Input Impedance  50K Ohms
 Input sensitivity  500mV
 Rated Power  75 Watts per channel
 Recommended Load Impedance  3-16 Ohms
 Frequency Response  5-100KHz +/- 0.5dB
 Distortion  Less than 1% A weighted at rated output into 8 Ohms
 Phase  Inverting
Specification subject to change


For more product details, call HiFi Sound @ (612) 339-6351.

IMPORTANT:  All prices are for local pickup, additional shipping and handling charges may apply.