Unison Research P30K User Manual Download Page 8

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TECHNICAL SPECIFICATIONS

Type :

valve amplifier

stereo/mono

Mode of operation:

pure Class-A

Output stage:

single-ended parallel ultralinear

Valves:

power output stage 4xKT88,
driver stage 2xECC83

Output power:

30 watt per channel

stereo

60 watt per channel

mono

Output Impedance:

4-8-16



stereo

2-4-8



mono

Weight:

28 kgs.

Dimensions

(

h):

27.5 x 46 x h.20 cm

Summary of Contents for P30K

Page 1: ...HIGH END ELECTRONICS BORN IN ITALY P30K ...

Page 2: ...mony All our products are made using fine quality materials and each one is inspected at various stages of the production process to ensure that it meets our own very high standards All the wood detailing is made by expert craftsmen from prized solid hardwoods and hand finished using organic laquers to enhance the natural beauty of the wood As well as having visual appeal the wood parts serve the ...

Page 3: ...ition of each V1 V2 etc is correct Refit the protective valve cage When choosing the best position for your Unison Research P30K please bear in mind the following guidelines Valves are sensitive to shock and mechanical vibration which in turn can affect the quality of sound For this reason avoid placing the amplifier close to the loudspeakers Placement on a sturdy and resonance free shelf or equip...

Page 4: ... and remove the red loudspeaker output terminals referring to the printed instructions on the rear panel insert the three gold links as indicated Replace and retighten the terminals Note that this operation modifies the output impedance and provides double the power output from the P30K N B In mono use you may insert the input from your preamplifier into either Left o Right input The P30K has been...

Page 5: ...socket The correct value of mains fuses is indicated on the rear panel and in the technical specifications at the end of this manual Always replace fuses with new ones of the same type and value 6 OPERATION Warning Switch on the P30K only after all the input and output connections including loudspeaker connections have been made and checked Before switching on ensure that the volume control is at ...

Page 6: ...ss the protective valve cage is securely fitted Do not open the amplifier There are no user adjustments inside and none other than those described in this manual For technical assistance or product service please refer to your Authorised Dealer or to a Unison Research authorised Service Centre Do not spill liquid into the amplifier If liquid should be accidentally spilled into the amplifier remove...

Page 7: ... just a touch of natural wax polish from time to time This will keep the lustre and patina of the wood in perfect condition Never operate the amplifier when covered Adequate ventilation is essential at all times Never attempt to remove the valves when the amplifier is switched on Always switch off and allow it to cool down Valves are shock sensitive especially when hot Take care not to subject the...

Page 8: ...on pure Class A Output stage single ended parallel ultralinear Valves power output stage 4xKT88 driver stage 2xECC83 Output power 30 watt per channel stereo 60 watt per channel mono Output Impedance 4 8 16 stereo 2 4 8 mono Weight 28 kgs Dimensions w x d x h 27 5 x 46 x h 20 cm ...

Page 9: ...surement of radio disturbance characteristics of broadcast receivers and associated equipment EN 61000 3 2 1995 and subsequent modifications Electromagnetic compatibility Part3 Limits Section 2 Limits for harmonic current emissions equipment input current 16A per phase EN 61000 3 3 1995 and subsequent modifications Electromagnetic compatibility Part3 Limits Section 2 Limitation of voltage fluctati...

Page 10: ...ts and outputs pag 4 4 Removing the protective valve cage pag 5 5 Connecting to the mains pag 5 6 Operation pag 6 7 Safety precautions and maintenance pag 6 8 Technical specifications pag 9 Declaration of Conformity pag 10 Unison Research is the registered trade mark of A R I A Advanced Research In Audio S r l ...

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