Pure class A amplifiers = "slow" amplifiers?

Guido,

The SINE "Kosmos" custom alloy conductor's higher conductivity should relate to faster, easier flow of current or signal. Sonically, it has the vivid, liquid transparency of the Delta Sigma amps & preamps & BOW ZZ-8 CD player we are re-introducing to US market.

Re: the Delta Sigma electronics, obviously much is proprietary. The 3Mhz circuit (flat within 1db) is amazingly fast thanks to the ultra wide bandwidth. But that liquid transparency I mentioned above is so like a great OTL amp...but with strong, vice-like grip on bass dynamics and an upper end that is so airy and delicate. I've simply never heard anything as pure and powerful as the Delta Sigma...including $350k monoblocks.

During CES2008 where we introduced Delta Sigma NP Integrated and Manger's 109-AG ultimate monitor, we received numerous compliments on how lifelike piano sounded. Some people in the hallway entered thinking we had a real piano playing.

After the "North Pole" reference linestage arrives later this month, I'll post some additional comments. After hearing it in Italy, I can't wait!

Jim Ricketts/tmh audio

Jim, once again, will Delta Sigma be shown at RMAF? I doubt that simple information such as SS/tube/switching technology, class of operation, input impedance, damping factor, etc . . . can be deemed proprietary. . . particularly in devices having the exalted price points of the SDs. Now talking about the Kosmos conductor. . . asserting that it is more conductive and less resistive than Silver is what I deem an 'extraordinary claim'. . . nothing wrong with that, but such a claim does require some clear form of evidence. . . or regretably it suffers in credibility.

Jim>you sound like a politician making statements but not answering G's question

Guido,

Ooops, I missed the other points although most of following is on our website.

● No plans for RMAF but will do CES (Venetian Hotel).
● Solid State
● Class AB
● All analog circuit - no digital.
● Dual Mono power supplies in stereo amps
● Separate power supply in Reference preamps
● North Pole Integrated amp has Dual Mono PS for active linestage section and Dual Mono PS for amplifier section.

● Yes, SINE "Kosmos series" technology is quite impressive. My undertanding of the technology (as noted above) is the 8-steps of alternating annealing and deep cryo + their custom alloy creates the higher conductivity.

As with many high end designs, some information is proprietary.

Thanks guys for the opportunity to discuss these designs. Feel free to contact me off board with any additional questions. I'll be adding more info & photos on our website on the Reference Linestage soon including the interior that offers some unique design attributes.

Jim Ricketts/tmh audio

Jim, this thread is very specifically discussing pure class A devices. There does not appear to be any reason to discuss Delta Sigma products if they operate in class A/B. And please watch out that claim of conductivity greater than Silver. . . making extraordinary claims without any evidence is a tricky business, particularly if the claim is left rather vague. G.