We do not cease to be grateful to Guy Sternberg for his excellent independent work and tests. Thanx ones more, Guy, it was professionall,verythumbsup
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During too time we should to note, that after these tests we have released the new version in the end of 2005 -
s2, which has incorporated the best from the first version, and has got Hard/Soft mode, and last improvement - dual mode output stage - pure A class or cascode AB driver, like at LA2. These modes can be switched by switch installed on the rear panel. Now we use more often 6N5P(soviet) and ECC85 tubes in the 1/2 and 3 stages accordingly. Data sheets links for these tubes are placed on ours web-site in s2 description.
As to s2 on the buss application - as some clients informed us that use s2 sometimes in such way. On some musical material it sounds well though we also adhere to opinion, that it certainly put taste, adjustments and the conceived effect in a musical material. It is difficult for describing any common opinion for everything, evidently. Personally,we think,that optodevices is good first of all for classical, jazz,rock,heavy,if we talk about buss applications...ye, with 2-3 db compession, or without it even, in fact tubes has some own compression as well, due to features of curve volt-amper characteristic.
TornadoTed (see below) - has ordered 4 devices in one order, for example.