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Overview
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.
Specifications
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Specifications
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| 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 | |
Accessories
We currently do not have any accessories available for Trilogy 921 Integrated Amplifier.
