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S.E.
"CLASSE A" inductive PSU AMPLIFIERS
RUBINA
EVOLUZIONE
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RUBINA
EVOLUZIONE
the first PHONO STAGE
in the world, for LOW
voltage MC cartridges, without use of any VOLTAGE ACTIVE AMPLIFIER
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RUBINA EVOLUZIONE |
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LINEAR MODULE
LINEAR MODULE 4:
4 transformers, amplification
44,5 dB
LINEAR MODULE 6:
6 transformers, amplification
61,5 dB
ACTIVE VOLTAGE
AMPLIFIERS:
NONE
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minimum input voltage: 0,05 millivolt (50 microvolt)
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4 o
6 step-up trasformers: 2 MC input
transformers - (mu-metal core and can), 2
interstage (mu-metal core and can) e 2 output
(only for cartriges below 0,1 millivolt
- see fig. 1 e 2 )
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internal power supply with
8 inductive
pi-grec cells and
6 resistive cells separated
for each channel, bias and output stages
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coupling via transformers and one or 2 emitter
follower S.E. transistor stage used as
impedance adaptor for extreme low noise and
negligible THD and intermodulation distortion
without the use of any Feed back.
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Input MC impedance: 47-200 ohm
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Input MM impedance: 47 KOhm
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Switch for MM/MC selection
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Frequency response: 20 Hz-25 KHz (-1,5/-0,5 dB
@ 61,5 dB)
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Maximum output voltage: 12 Veff
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S/N > 95 dB with 6 transformer module
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S/N > 105 dB with 4 transformer module
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6,5 mm chassis
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metalized racing red finishing
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PASSIVE RIAA MODULE
Amplification @ 1 KHz: 7,5 dB or 12,5 dB
selectable
ACTIVE VOLTAGE
AMPLIFIERS:
NONE
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4 step-up transformers: 2 interstage, 2
output.
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internal power supply with
4 inductive
pi-grec cells and
10 resistive cells separated
for each channel, bias and output stages
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PASSIVE RIAA powered by interstage
transformers
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RIAA 2% Polypropylene capacitors
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coupling via transformers and one emitter
follower S.E. transistor stage used as
impedance adaptor for extreme low noise, and
negligible THD and intermodulation distortion
without the use of any Feed back.
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max suggested
input: 0,2 Vrms @1 KHz
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accepted input: 0,5 Vrms
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massima tensione di uscita: 4 Vrms @ 1 KHz -
8,5 Vrms @ 20 Hz
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S/N > 105 dB
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6,5 mm chassis
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metalized racing BLUE or GOLD finishing
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total subsonic filter - 2 modules: -9 dB @10
Hz
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VIEW
of the interconnections between the 2 modules via RD
MC cables
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FIG.1 -
BLOCK DIAGRAM OF THE COMPLETE ROYAL DEVICE
AMPLIFICATION CHAIN FOR CARTRIGES of
0,07 MILLIVOLT as ortofon MC 20 - THE
LINEAR MODULE HAS 6 TRANSFORMERS - total Amplification
61,5 dB
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FIG. 2-
BLOCK DIAGRAM OF THE COMPLETE ROYAL DEVICE
AMPLIFICATION CHAIN FOR CARTRIGES of
0,2-0,3 MILLIVOLT - THE LINEAR MODULE
HAS ONLY 4 TRANSFORMERS - total Amplification 57 dB
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BUSTO ARSIZIO - ITALY
TEL-0331
354070 - FAX +39 0331 342445
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Royal Device
® name and logos are registered trade mark
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All photographs and texts in the web are copyright
by Royal Device ® 2000 except otherwise stated |
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