Plinius KORU Instruction Manual Download Page 11

9

PHONO PREAMPLIFIER

Installation & Operation

WARNING: RISK OF ELECTRIC SHOCK.  TERMINALS MARKED WITH        
SHOULD BE CONSIDERED HAZARDOUS LIVE AT ALL TIMES.

This preamplifier operates at hazardous voltage levels.  We recommend that any work 
requiring removal of the lid be referred to a suitably qualified and experienced service 
technician. DO NOT place this phono preamplifier in any position where liquids or any 
foreign material may accidentally enter it.

PLEASE READ & UNDERSTAND THE PRECAUTIONS WITHIN THIS MANUAL 
FOR CORRECT PLACEMENT & OPERATION OF THIS PRODUCT.

CONNECTIONS

Connections to your Plinius Koru Phono Preamplifi er should be made in the same 
order as they are listed in this section. DO NOT attempt to connect your Koru Phono 
Preamplifi er until you have read and fully understood these instructions.  Although these 
instructions refer to the connection of the Plinius Koru to a preamplifi er, the Koru can also 
be safely installed into multimedia systems by following the same installation guidelines.  
Should you require any further assistance, please contact your Plinius dealer.

PHONO TURNTABLE INPUTS

Connect your Turntable to the input on the back the Plinius Koru using suitable 
single-ended RCA interconnect cables only.  Make sure you connect the red coded 
cable to the red RIGHT RCA input, and the black (or white) cable to the white LEFT 
RCA input.  Also make sure the RCA connectors are a snug fit and inserted all the way 
in.  If your phono turntable has an earth cable, this can be connected to the GROUND 
post next to the input terminals.

OUTPUT TERMINALS

The connection of the outputs of the Koru Phono Preamplifier must be made by an 
‘instructed person’ or by suitable ready made interconnect cables only. 

Connections for preamplifiers are provided at the rear of the unit. If using single-
ended RCA outputs connect your Koru to the ‘line level’ RCA inputs on the back of 

TURNTABLE OUTPUT

KORU INPUT

Summary of Contents for KORU

Page 1: ...The heart of music www pliniusaudio com KORU Phono Preamplifier Instruction Manual...

Page 2: ......

Page 3: ...lation Operation 9 Product Features 11 Troubleshooting 13 Specifications 14 Index 15 All operational technical and descriptive material in this publication is subject to change at any time without not...

Page 4: ...the variety of ways it may be used We have designed and manufactured this amplifier to reproduce your favourite music faithfully and accurately With a little care and a full understanding of the opera...

Page 5: ...lude the hydraulically formed corners on the amplifiers giving much greater strength and the one piece housing for the remote control that looks feels and genuinely is robust As with music that you ar...

Page 6: ...r restricted in any way Equipment racks should be of an open type with no closed side panels and no closed front or rear panels Ensure a minimum of 100mm clearance on all sides of your Plinius unit to...

Page 7: ...h or a switch setting is not used it is a good idea to toggle small switches and turn rotary switches though the full range of the switch several times in succession to keep the contacts active Perfor...

Page 8: ...outputs DO NOT earth any output terminal or connect any of these terminals together without following the instructions in this manual or seeking qualified assistance DO NOT place this phono preamplifi...

Page 9: ...ection to this phono preamplifier 1 LOADING SWITCHES The phono input capacitance and cartridge load can be adjusted to suit your particular phono cartridge using the 8 way mini switches at the lower l...

Page 10: ...of the way balanced XLR outputs are configured it is not possible to connect both XLR and RCA at the same time 6 MAINS SWITCH The heavy duty rocker switch on the right of the panel diagram turns the M...

Page 11: ...tion of the Plinius Koru to a preamplifier the Koru can also be safely installed into multimedia systems by following the same installation guidelines Should you require any further assistance please...

Page 12: ...please consult your Plinius dealer Mains supply power connection is via the plug in lead supplied with your Plinius Koru Where possible check the wall outlet is switched OFF then connect the local ma...

Page 13: ...value has been determined use the corresponding mini switch to set the load value to one of 22k 1k 470R 220R 100R 47R or 22R With none of the switches ON the loading will be set to 47k Please consult...

Page 14: ...supply pack A small drawer at the bottom of this socket may be removed after the IEC plug is removed by levering it out with a flat blade screwdriver The fuse fitted should be rated at no greater than...

Page 15: ...e source selector for the Koru as the source component Check the volume Turn the volume up to a point just below the normal listening level DO NOT turn the volume up to maximum in case the sound begin...

Page 16: ...hms INPUT CAPACITANCE User adjustable 100pF 570pF FREQUENCY RESPONSE 20Hz to 20kHz 0 2dB within RIAA spec SIGNAL TO NOISE RATIO 80dB wrt 5 mV input A weighted DISTORTION 0 01 THD at all levels below c...

Page 17: ...10 Input Terminals 7 Mains Line Fuse 12 Mains Supply Connection 10 Mains Switch 8 Output Terminals 8 9 Phono Cartridge Load Adjustment 11 Phono Gain Adjustment 11 Placement 4 Rear Panel Layout 7 Safet...

Page 18: ...Note This page has been left blank intentionally...

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