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Gryphon Diablo 300

To Jeff Fritz,

It’s been several years since you reviewed the Coda 15.0 stereo amplifier. I was wondering if you could tell me if you have any news from the company? From the information available at Coda’s website, it appears that the 15.5 is the latest of the class-A designs. Can you shed any light on this model or if there is anything newer?

Thanks,
Randall
United States

It has been some time since I was in contact with the folks at Coda. I was able to speak with Doug Dale, one of Coda’s founders, and did find out that there is some news from the company. Although you are correct that I reviewed the 15.0 very positively, I was excited to hear about the new Coda amplifiers; my favorite Coda of all time was the System 100, which I owned for a number of years, but is now discontinued. Here is what Dale said about the new models in a follow-up email:

Those who are familiar with Coda likely remember the System Architecture amps, the System 100 and System 200, that we manufactured from our inception until the early 2000s. These amplifiers split voltage gain and current gain into different chassis and were exceptional performers. Initially we had designed them for difficult speakers like the Apogee Scintillas. They proved over time to be more than just amps for tough loads and we continue to have requests for them today. We had stopped making them only because the output devices became unavailable.

In recent years, On Semi (formerly a division of Motorola) began producing ThermalTrak transistor output devices. After designing several amps using these components, we decided to build new amps using the System Architecture with these devices. We now have the System 150 ($17,500 USD, 100W class A/150W max) and the System 250 ($28,000, 200W class A/250W max), which have the same low noise inherent in the early Systems and the incredibly precise control of bias of the current stable of Coda amps. The advances over time in other components have allowed us to incorporate these into the design as well and produce amps that are truly spectacular.

As a result, I hope to be getting one of these babies in for review as soon as they are ready. I can’t wait! . . . Jeff Fritz