Lampizator BEST300B DAC, User Manual

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LampizatOr- BEST300B DAC Manual
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Rectifier Rolling
Rectifiers are generally less rolled but many customers report that huge leaps in synergy
can be achieved when, after choosing the optimal music tubes, we also choose optimal
rectifier.
Directly heated diodes are older in design, physically larger, and have 4 pins versus 5
and use 5V heaters versus 6,3.
PINOUT: 2-8 is heater 5,0 V AC. Pin 8 (or2) is also cathode. Pins 4 and 6 are two anodes.
Other pins - even if existing - are not connected. To test - just use a meter and check
resistance in ohms between the pins. IN A RECTIFIER THE ONLY TWO PINS WHICH
SHOW ANY OHM READING AT ALL, ARE HEATER PINS. THE READING SHOULD BE
IN SINGLE OHMS like 2Ohm.
Some people report back that the directly heated diodes sound better than their indirectly
heated counterparts, but this hasn't been verified in any semi scientific way. Generally we
expect the directly heated diodes to have up to 400% higher current capability as well as
voltage max. It al depends on the DEMAND of our circuit.
Rectifiers compatible: 274B, 5c3s, 5Y3, 5r4, 5U4G, GZ34, 5c4s, 5u4c
Rectifiers can be changed safely
during playback . Just grab them by the base.
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