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Bővebben: a hangszíne tényleg nagyon tiszta és szép, kis hangerőn, (80mV -os bemeneti jelszintig kb)
Ha növelem a jelszintet az addigi tiszta hangja kifásúl, és szürkévé válik. (Mintha csak addig tartana az idilli )

This an "End" level design so, like the Phono End and DAC End, it give the max sonic performances.
Now you may be perplexed about a hybrid design if you are a purist of vacuum tubes but I tell you all my friends are shocked by the result of this amplifier.
In a direct comparison with the my new 813-GM70 SE, the Hybrid 2010 version 2 and the PP2010, the difference is huge and it is very difficult to return to hear these other amplifiers.
All sounds are clear and detailed with incredible speed issue that leaves you speechless.
In the past 20 years I have made dozens of amplifiers with different topologies, but the results obtained with this was totally unexpected and unexplained.
I suggest this project to all those who want a definitive amplifier because it can be used to hear any kind of music and it drive any kind of loudspeakers without problems (multi-way and full-range).
A great experience is not required for this project because the assembly is very close to an electrical system rather than an electronic amplifier.
A pcb is only necessary for the protection circuit, but you can buy an assembled module on Ebay (see my Hybrid 2010).
Also if the Circlotron output stage avoid high dc output voltages in case of mosfet fault I suggest the use of a protection circuit like in my all solid state design.
There is the possibility to reduce and increase the output power with very simple modifications in the transformers and in the heatsinks.
The majority of benefits are available even implementing this project in a simplified version with a cheaper power supply (no chokes for the output power section).
Using a CLC (capacitor, choke e capacitor) power supply is possible skip any problem of noise and spikes generated in the rectifier.
In the driver section you can decide to use the Siemens D3a (hi-end pentode to use in triode connection) or the Russian 6C45 (pure triode).
Both these tubes give a very similar sound performances and it is impossible decide which is the best.
The test show as best mosfet to use the ACD100NSD and the 2SK1058.

A B5 végfokom is mindig, mindenhol, mindenféle GC-t lenyomott, amikor össze voltak hasonlítva, nem csak a sajátomat. Még egyszer sem volt olyan, hogy a GC felülkerekedett volna a B5 erősítő mellett. Aztán már B5-öt sem csinálok .