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Summary of Contents for Plinius P10
- Page 2 CONGRATULATIONS on your decision to become the proud owner of this Plinius SA-Reference Power Amplifier. This manual has been prepared to help you understand the operation of your amplifier, and to provide information about its design and the variety of ways it may be used. We have designed and manufactured this amplifier to reproduce faithfully and accurately, your favourite music.
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Page 3: Introduction
DESIGN PHILOSOPHY From a distance you can see that the design of the Plinius products is more than an applied styling exercise to the front panel. We have started from the ground up to produce a casing for our electronics that is unrivalled in its physical strength and visual simplicity. -
Page 4: Table Of Contents
ONTENTS Introduction ... Page 3 Precautions ... Page 5 Amplifier Features - FRONT PANEL ... Page 6 Amplifier Features - REAR PANEL ... Page 8 Amplifier Configuration Selector (ACS) ... Page 9 Balanced/Unbalanced Signals ... Page 10 Installation and Operation ... Page 12 Input/Output Connection ... -
Page 5: Precautions
Please take special note of the following precautions before operating your new amplifier: • The Plinius SA-Reference Power Amplifier can be operated in mono mode delivering up to 1000 watts into 8 ohms. This amplifier is also capable of a very large peak current delivery. •... -
Page 6: Amplifier Features - Front Panel
– F MPLIFIER EATURES RONT ANEL MUTE CLASS A RONT ANEL AYOUT HOWING WITCHES MUTE SWITCH It is not recommended practice to interfere with the input cables while the amplifier is switched on and connected to the loudspeakers, so a Mute button is fitted to interrupt the input signal. This allows you to connect and disconnect the input cables without the necessity of turning the amplifier off. - Page 7 CLASS A: This position provides Class A bias to the output stage therefore ensuring the optimum performance of the amplifier during all listening events. Class A amplifiers run hotter than Class AB amplifiers, hence our specially designed and distinctive heat sinks. Operating the amplifier in Class A necessitates two precautions that should be observed.
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Page 8: Amplifier Features - Rear Panel
STEREO POWER AMPLIFIER SERIAL No. VOLTAGE POWER CONSUMPTION 2000VA DESIGNED AND MANUFACTURED IN NEW ZEALAND BY PLINIUS AUDIO LTD P.O. BOX 1836 PALMERSTON NORTH CAUTION: TO RE DUCE RISK OF CAUTION COVER. NO USER SERVICEAB LE RISK OF ELEC TRICAL SH OCK PART S INSIDE. -
Page 9: Input Terminals
INPUT TERMINALS Input terminals for your Plinius SA-Reference Power Amplifier are easily accessible and fitted to the top centre area of the rear panel. A brief summary of connection possibilities is listed below, while a more detailed explanation follows later in this instruction manual. RCA INPUTS LEFT &... -
Page 10: Balanced/Unbalanced Signals
The ACS switch options are: RCA STEREO: This option provides a stereo output via both left and right output channels from a stereo signal connected to both left and right input RCA inputs. RCA BRIDGED MONO: This option configures your amplifier to drive one loudspeaker from one unbalanced signal fed to the RIGHT RCA input. -
Page 11: Mains Switch
OUTPUT TERMINALS - BRIDGED/MONO In bridged/mono modes, the loudspeakers utilise only the positive (+) outputs of your Plinius SA- Reference. In this configuration power output to the loudspeakers is dramatically increased (around four times as much), and is commonly used in conjunction with another amplifier for amplification of each channel from the preamplifier. -
Page 12: Installation And Operation
NSTALLATION AND PLACEMENT AND VENTILATION Your Plinius SA-Reference is designed to operate at a moderately high temperature, even more so when used in Class A. The ideal location is on a rigid stand or floor mounted away from direct contact with any temperature sensitive materials or deep pile carpets. -
Page 13: Input/Output Connection
NPUT RIGHT INPUTS RCA STEREO RCA BRIDGED MONO RIGHT OUTPUTS ALL MONO/BRIDGE OPTIONS USE RIGHT INPUT AMPLIFIER CONFIGURATION SELECTOR REFER TO OWNERS MANUAL FOR USAGE INSTRUCTIONS ANEL It is important that you connect your loudspeakers (outputs) and preamplifier (inputs) to the Plinius SA- Reference Power Amplifier correctly to ensure the amplifier is not damaged, and sounds it’s best with your system. -
Page 14: Rca Connection
RCA STEREO Connect your preamplifier or input signal to the two RCA inputs at the top of the amplifier back panel. Make sure you connect the red coded cable to the red RIGHT RCA input and the black (or white) cable to the black LEFT RCA input. -
Page 15: Xlr Connection
XLR BALANCED MONO As with RCA Bridged Mono, this option configures your amplifier to drive one loudspeaker, but from one balanced line input connected to the RIGHT XLR Input. In balanced mono mode the only input made to your preamplifier is to the RIGHT channel XLR input. The LEFT channel XLR input is not connected. Next your loudspeakers are connected to both positive (+) channel output terminals. -
Page 16: Connecting The Mains Supply
PHASING (OR POLARITY) It is important to achieve good stereo imaging in your listening room. By observing the wiring instructions above, each Power Amplifier/loudspeaker combination should be in phase. If you experience poor stereo image and/or a lack of bass, check that the loudspeaker wiring has been connected correctly. We recommend that you use one of the easily obtainable ‘test discs’... -
Page 17: Sa-Reference Features
SA-R EFERENCE EATURES ERROR DETECTION The Plinius SA-Reference Power Amplifier has in-built error detection. This will function under the following conditions: • When the amplifier is overdriven/clipped • If any internal fuse is damaged Should either of these circumstances arise the amplifier will disconnect both channels and mute the input. This condition will remain until the input signal level is reduced or the damaged fuse replaced. -
Page 18: Led Brightness Control
LED BRIGHTNESS CONTROL Your Plinius SA-Reference has an internal LED brightness control that will adjust all three front panel LED’s. A small flat bladed screwdriver can be used to adjust the brightness. The LED brightness control is a small multi turn potentiometer and is located on the front of the main circuit board within the top cavity of the amplifier, and is labelled VR3. -
Page 19: Loudspeaker Selection
OUDSPEAKER ELECTION Your Plinius SA-Reference Power Amplifier is designed for use with high fidelity loudspeakers. It should not be used to operate any other type of appliance or equipment. Choice of loudspeakers is one of personal taste, providing the chosen loudspeakers are suitable for use with your amplifier. -
Page 20: Why Classa I Sbetter
LASS ETTER Class A has always been regarded as the perfect operating mode for audio amplifiers. Many leading amplifier designers and manufacturers world wide recognise that a well designed Class A circuit has inherently lower distortion than any other design. Class A circuit topology is one in which the total current the amplifier is capable of delivering, is kept flowing in the circuit regardless of demand. -
Page 21: Specifications
300-WATTS RMS PER CHANNEL INTO 8 OHMS. 450-WATTS RMS PER CHANNEL INTO 4 OHMS. BOTH CHANNELS DRIVEN FROM 20Hz TO 20kHz AT 0.05% TOTAL HARMONIC DISTORTION. : 1000 Watts RMS 20Hz to 20kHz into 8 ohms (Mono). UTPUT : 1dB or greater at 8 ohms with music. YNAMIC EADROOM : 20Hz to 20kHz ±0.2dB. -
Page 22: Index
NDEX ACS (Amplifier Configuration Selector) ... Page 9 Balanced Signal ... Page 10 Bias Class A ...Pages 7,20 Bias Class AB ... Page 7 Bias Switch... Page 7 Bi-wiring ... Page 15 Date of Manufacture ... Page 3 Ecologic Control ... Page 17 Error Detection... -
Page 23: Contact Details
For further product information or queries, please contact us at the address below. PLINIUS products are designed and manufactured by: Plinius Audio Ltd. P.O. Box 1836 Palmerston North New Zealand Phone: 64 6 354 8583 Facsimile: 64 6 354 8586 Email: info@pliniusaudio.com Internet: www.pliniusaudio.com ONTACT ETAILS ©2005 Plinius Audio Ltd.
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