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200 MkII

200W Stereo Power Amplifier

Owners Manual

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Содержание 200 MkII

Страница 1: ...200 MkII 200W Stereo Power Amplifier Owners Manual ...

Страница 2: ... change products or specifications detailed herein at any time without notice and does not make any commitment to update the information contained herein No licenses to patents or other intellectual property of Perreaux are granted by the Company in connection with the sale of Perreaux products expressly or by implication mboob ru is a registered trademark of Perreaux Industries Ltd Terms and prod...

Страница 3: ...2 This page has intentionally been left blank ...

Страница 4: ...cance of your investment in Perreaux Perreaux products are designed to provide the utmost in sonic realism and electronic reliability with a functional yet elegant appearance that reflects the care and craftsmanship applied during all stages of construction Features at a Glance Rugged build quality Ultra stiff power supply Hybrid Class A AB output stages MOSFET output devices High power output Adv...

Страница 5: ...ns power supply of the type described in the operating instructions or as marked on the rear of the unit DO NOT disconnect the mains earth from the system The mains power supply cord should be routed so that it is not likely to be walked on or pinched by items placed on or against it The power cord of the 200 MkII should be unplugged from the mains outlet when the unit is to be left unused for lon...

Страница 6: ... 3 Front Panel Functions 9 4 4 4 4 Rear Panel Functions 10 5 5 5 5 Special Design Philosophies 13 6 6 6 6 Special Design Features 15 7 7 7 7 Maximising System Potential 17 8 8 8 8 The Power MOSFET 19 9 9 9 9 Care and Maintainance 22 10 10 10 10 Warranty Information and Obtaining Service 23 11 11 11 11 Extended Warranty Registration Form 24 12 12 12 12 Faultfinding Your System 25 13 13 13 13 Specif...

Страница 7: ...e the two grey foam protectors off either side of the amplifier leaving the black material covering Pull back the material and remove the protective membrane from the front panel The amplifier is now unpacked and ready for further installation Note Please retain all packaging material for future transport Box Contents 1 x 200 MkII Power amplifier 1 x 200 MkII Product manual 1 x Detachable AC power...

Страница 8: ...balanced RCA inputs at the rear of the 200 MkII Note Try to keep all interconnect cables as far from loudspeaker cables as possible and well away from all AC mains leads Connect speaker cables to the left and right speaker terminals We recommend using high quality connectors for your speaker cables spade lugs are the preferable option as they combine a larger surface area with the possibility of a...

Страница 9: ...e volume Slowly increase the preamplifier volume control to achieve a comfortable listening level CONGRATULATIONS Now that you have achieved your first objective sit back relax and please read the rest of the manual at your own pace in your favourite armchair whilst sipping a hot cup of coffee You ll find the whole experience much more pleasurable whilst listening to music ...

Страница 10: ...plifier Off This indicates that the amplifier is not connected to the mains supply This could be due to the power switch being set to OFF or power not being supplied to the mains power cord e g unplugged switched OFF at wall socket tripped circuit breaker etc Blue When the LED is blue the amplifier is ON and ready to be used ...

Страница 11: ...information please refer to Chapter 7 Maximising System Potential Unbalanced Inputs Accepts a standard unbalanced RCA input from a preamplifier or processor with unbalanced outputs The connectors are high quality gold plated sockets which are highly conductive corrosion resistant and provide less potential for corrosion induced distortion The input connectors are clearly colour coded indicated by ...

Страница 12: ...ation Caution Never attempt to connect the unit to the incorrect voltage Severe damage can result from applying incorrect voltage to the unit Fuse Rating The fuse rating displayed here refers to the rating of the mains inlet fuse For more information on fuse ratings please refer to Chapter 13 Specifications Caution Never replace the fuses with any other ratings other than the one specified AC Main...

Страница 13: ...specified on the rear panel Always ensure your 200 MkII is disconnected from the mains supply before attempting to change the mains fuse Power Switch Set this switch DOWN to turn power ON Mute relay circuitry is employed in the 200 MkII so output is muted momentarily after the power switch is actuated Set the switch UP to turn the unit OFF at which time the speaker outputs will be disconnected ...

Страница 14: ...o design perspective only The concept of less equating to more has been at the heart of all Perreaux audio designs for more than a quarter of a century Minimalist Electronics We wish to maximise the quality of your listening pleasure by keeping the componentry and signal path as uncluttered short and clean possible All components in the signal path even those of the highest quality have an effect ...

Страница 15: ...o products on the planet We let form and function blend together in perfect harmony This surely is the essence of true minimalist utilisation Minimalism in a Wider Context John Pawson writes Clearly simplicity has dimensions to it that go beyond the purely aesthetic it can be seen as the reflection of some innate inner quality or the pursuit of philosophical or literary insight into the nature of ...

Страница 16: ...is avoids the crossover notch distortion and the resulting odd order harmonics present to some degree in all other classes of operation The output devices used in the 200 MkII output stage are MOSFETs which with high quiescent current circuitry are run in the equivalent of Class A to 10 watts Beyond this point the output class is technically Class AB hence the hybrid nomenclature but with a major ...

Страница 17: ...rovides added stability under variable thermal or electrical loads and assures maximum signal integrity separation and product life Highly Powered Capable of continuously delivering 200WRMS into 8Ω 300WRMS into 4Ω the 200 MkII is highly powered Utilising six high current Hitachi MOSFETs per channel the 200 MkII handles even the most difficult loads with ease ...

Страница 18: ...amping Bi amping uses two similarly powered amplifiers with exactly the same input sensitivity so that when the same input signal is provided to each of them the output level will be exactly the same This can often be done with one power amplifier connected to the tweeters and another to the woofers as it spreads the power requirement between the two amplifiers Bi amping can achieve greater contro...

Страница 19: ...ice as loud as 20 Watts not ten times as loud Perreaux equipment is designed with substantial headroom built in that is the reserve necessary to reproduce musical peaks without clipping Final Thoughts High fidelity systems are an investment deserving of careful thought and personal time Your preferences priorities and constraints will dictate the parameters of your purchase your ears will tell you...

Страница 20: ...er but nevertheless significant amount of power to the controlling element Whereas in the power MOSFET the control of the power through the device is affected by the application of a very small and very insignificant amount of power to the controlling element in fact only the amount required to create a small electrostatic field This makes the operation of a power MOSFET similar to that of a valve...

Страница 21: ...naway In order to understand this one must imagine that the chip silicon inside the power transistor is in fact many smaller transistors connected in parallel Now if one of these smaller transistors or a spot on the chip has a greater gain or amplification factor than the rest then that spot will heat up faster and to a greater temperature than the remainder of the transistor chip This means that ...

Страница 22: ...y slow This means the distortion products in the signal of say a fast transient will not travel through the negative feedback system into the output stage fast enough to cancel at exactly 180 degrees out of phase resulting in the amplifier being overloaded This is not possible in power MOSFET amplifiers Other Advantages Further sonic improvement is achieved in power MOSFET amplifiers due to reduce...

Страница 23: ...y reapply to the surface Stubborn dirt may be removed by the application of a small quantity of methylated spirits applied directly to the cleaning cloth only and reworking the effected area Front Panel The front panel features a high quality electroplate finish Over time the surface may retain finger marks and may need to be cleaned to restore it to original condition Regular Cleaning Gently wipe...

Страница 24: ...anship it will be repaired or replaced at our option without charge for either parts or labour The warranty does not apply to any unit that has been misused abused or altered Any unit that is not performing satisfactorily may be returned to the factory in New Zealand for evaluation Return authorisation must first be obtained by either calling or writing to Perreaux prior to shipping the unit Perre...

Страница 25: ...6 Mail Perreaux Industries Ltd PO Box 305 Mosgiel Dunedin 9053 New Zealand E mail info perreaux com Alternatively complete the online Warranty Registration Form on our website www perreaux com 5 Year Extended Warranty Form Name Address Suburb City Country Telephone E mail Website Product Purchased 2 0 0 M k I I Serial Number Dealer Purchase Date d d m m y y y y ...

Страница 26: ... must be employed to negate these effects on low level signal equipment Another good practice to adopt is to keep all signal leads away from power leads The practice of neatly tying excess leads together for a tidy looking installation should be resisted as this could be the cause of induced hum in the system Earth Loops Earth loops are a particularly annoying cause of hum in the system Earth loop...

Страница 27: ...When experiencing a problem such as one channel not working or a noise in one channel it is good practice to adopt a method of isolating the problem to a specific item or area This practice will assist in diagnosing curing or at least advising your technician of the problem and result in a saving of time money and perhaps frustration A logical approach to isolating the probable cause of the proble...

Страница 28: ...w swapping them at the amplifier output If the fault now appears in loudspeaker B then that loudspeaker lead is at fault go no further If the fault appears in loudspeaker A then loudspeaker leads are OK Move on to step 3 Caution Restore the loudspeaker leads to their original connections at both ends Step 3a Inputs Channels PREAMPLIFIER 200 A B Change the input plugs on the rear of your amplifier ...

Страница 29: ...ut at a minimum volume setting Only increase the volume after the connections have been changed Should the fault prove to be in the amplifier it will be necessary to determine where the fault actually lies Most of this has been done for instance you now know what input s and what channel is affected This information will assist your Perreaux dealer or service person when or if any service is requi...

Страница 30: ...Restore speaker cables to original connections Fault in loudspeaker B Swap amplifier source input channels Loudspeaker A at fault YES NO Loudspeaker cable at fault Fault in loudspeaker A Swap source output channels Fault in loudspeaker A Loudspeaker cable at fault Input source at fault Amplifier at fault YES NO YES NO NO YES ...

Страница 31: ...THD 300WRMS into 4Ω continuous per channel both channels driven from 20Hz 20kHz at 0 035 THD Frequency Response 20Hz 20kHz 0 25dB Total Harmonic Distortion THD N Typically 0 004 1kHz into 8Ω 20Hz to 20kHz 0 020 into 8Ω Voltage Gain 28 5dB Dynamic Headroom rated with music 1 9dB Voltage Swing 160Vp p Maximum Current Output 24A per channel Damping Factor 500 1kHz into 8Ω Signal to Noise Ratio Rated ...

Страница 32: ... a difference of 1db is the least that can be perceived by ear To better that by a wide margin the 200 MkII is specified four times higher thus far exceeding the audible range of the human ear Total Harmonic Distortion THD N 0 004 1kHz into 8Ω Measurements are made with fixed purely resistive loads However since speakers are not purely resistive an amplifier s distortion specifications do not indi...

Страница 33: ...Factor 500 1kHz into 8Ω Another specification not always provided One reason perhaps this specification is important when indicating an amplifier s ability to control the cone behavior of speaker systems which are difficult to drive Perreaux power amplifiers have high damping factors Thus exerting massive control over the speaker system Signal to Noise Ratio unweighted 95dB The ratio of desired si...

Страница 34: ...etails For more information please contact your Perreaux dealer or contact Perreaux Industries Ltd PO Box 305 Mosgiel Dunedin 9053 New Zealand Ph 64 3 489 2975 Fax 64 3 489 2976 E mail info perreaux com Internet www perreaux com ...

Страница 35: ...34 Installation Notes ...

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