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Summary of Contents for Linn Twin Klimax
- Page 1 L i n n T w i n K l i m a x D u a l S p e a k e r P o w e r A m p l i f i e r...
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Page 2: Important Safety Information
Mainsplugs This appliance is supplied with a non-rewireable mains plug for the intended country. Replacement mains leads can be obtained from your Linn retailer. Should you need to change the plug, please dispose of it carefully. A plug with bared conductors is dangerous if engaged in a live socket. -
Page 3: General Safety Instructions
General safety instructions Read instructions. Read the safety and operating instructions before operating the appliance. Retain instructions. Retain the safety and operating instructions for future reference. Heed warnings. Observe all warnings on the appliance and in the operating instructions. Follow instructions. Follow all operating and use instructions. Water and moisture . -
Page 4: Mains Plug Replacement
Fit a new 5 Amp BS1362 approved fuse into the carrier and push the carrier back into the plug. Always ensure the fuse cover is fitted. If the fuse cover is missing do not use the plug. Contact your Linn retailer to obtain a replacement fuse cover. -
Page 5: Ce Declaration Of Conformity
CE Declaration of Conformity Linn Products Ltd. declares that this product is in conformance with the Low Voltage Directive 73/23/EEC and Electromagnetic Compatibility 89/336/EEC as amended by 92/31/EEC and 93/68/EEC. The conformity of the designated product with the provisions of Directive numbers 73/23/EEC (LVD) is proved by full compliance with the following standards. -
Page 6: Copyright And Acknowledgements
The information in this manual is furnished for informational use only, is subject to change without notice, and should not be construed as a commitment by Linn Products Limited. Linn Products Limited assumes no responsibility or liability for any errors or inaccuracies that may appear in this manual. -
Page 7: Table Of Contents
Contents Introduction What is it? How does the Klimax work? What is switch mode? So what’s the problem? Some assorted facts Inside the Klimax The audio circuitry Output current and protection Installation Heat Mains supply Signal sensing Inputs and Outputs Operation Specifications Guarantee and service... -
Page 8: Introduction
1. Introduction Thank you for buying the Klimax Twin, the second member of the Klimax amplifier family and the best amplifiers we make. Like the Klimax Solo the Klimax Twin uses the latest technology and exemplifies our constant endeavour to make ever better sounding products. We are confident that the compact, elegant design and the exceptional, accurate performance of the Klimax Twin will give you many years of pleasure. -
Page 9: What Is It
2. What is it? The Klimax Twin is a two channel power amplifier designed for use in multi amplifier and multi channel audio and audio/video systems. The case is precision machined from two solid sections of aluminium alloy. The machining is done on a computer controlled multi-axis machining centre, with the final cut on the top face made by a Swiss SIP vertical jig borer, the stability and accuracy of which is unequalled. -
Page 10: How Does The Klimax Work
3. How does the Klimax work? In most power amplifiers the power supply comprises a large transformer, a rectifier and reservoir capacitors, often as large as the transformer. The highest performance amplifiers also have voltage regulators which maintain the power supplied to the amplifier circuitry constant, regardless of the input voltage or the output load. -
Page 11: What Is Switch Mode
Such a high voltage is very dangerous and is one reason why the Klimax case should never be opened by a customer or a non Linn Products employee. -
Page 12: So What's The Problem
So what’s the problem? The first problem is that this is a lot more complicated than a mains transformer (a few kilos of copper and iron), a rectifier and some large capacitors. A switch mode design optimised for minimum part count will still have many tens of parts, most of which are quite delicate but still have to operate reliably in a very electrically hostile environment. -
Page 13: Some Assorted Facts
Some assorted facts The transformer in the Klimax is less than 40mm (1.5 inches) cube. At 50/60 Hz it could deliver about 5 Watts. In the Klimax it can deliver 1000 Watts. The reservoir capacitors in the Klimax are about the size of a thimble but give better filtering than ones the size of a beer can used in other very powerful amplifiers. -
Page 14: Inside The Klimax
Inside the Klimax... -
Page 15: The Audio Circuitry
The audio circuitry At Linn because we strive for continuous improvement in everything we do we use appropriate technologies to achieve our goals. There have been many fine amplifier designs over the history of audio. Some use valves (tubes), some use bipolar transistors, some MOSFETs. Some manufacturers swear by Class A, others by Class AB, one or two by Class D, and many others are somewhere in between. - Page 16 To achieve the performance and power output we use three chips per channel, and like the Klimax Solo the Klimax Twin is direct coupled with no capacitors in the signal path. Combined with a slightly modified Klimax Solo power supply we have achieved, as we know you will hear, true audiophile performance.
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Page 17: Output Current And Protection
Output current and protection A commonly asked question about a power amplifier concerns its maximum output current. There is some good reason behind this question. There is always some trade off between output power, 'specmanship', protection and cost in a power amplifier. Output power specification (into 8 Ohms) can be increased simply by increasing the amplifier power supply rails slightly. - Page 18 The Klimax Twin, like all Linn amplifiers, is specified into a 4 Ohm load. We don't do this to claim a bigger output power, but to show that our amplifiers are intended and fully specified for operation into 4 Ohm loudspeakers.
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Page 19: Installation
4. Installation The compactness of the Klimax Twin makes it very easy to install and makes possible high power multi- amplifier systems which would be impractical with conventionally designed amplifiers of similar power, because of their size and weight. The unique wall mount system can be used to minimise the intrusion of the audio system into the living space while providing good ventilation, concealing the cabling and showing off the subtle beauty of the Klimax. - Page 20 When operating, the fan draws cool air in through the back of the amplifier, and blows it along the heat exchanger until it exits through the front, top and bottom. The amplifier is fully protected against over heating, but this is only for protection and should never operate in normal use, whatever your 'normal use' is.
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Page 21: Mains Supply
Mains supply The Klimax Twin has an automatic internal mains voltage switch. This allows it to operate from 90 Vac to 260 Vac. With a mains supply below 140 Vac two seconds after switching on the amplifier the power supply switches to low range, with a just audible click, and remains there as long as power is applied. - Page 22 Linn switch mode powered components can actually help to improve the sound of all the other components in the system.
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Page 23: Signal Sensing
Signal sensing In the absence of a music input signal the Klimax Twin reverts to a low power standby mode after 10 minutes. The signal detector is very sensitive and waits about one second before powering up the amplifier to be certain the signal is real, not just noise. The detection threshold has been found over many installations to be a good compromise between sensitivity to low level signals and immunity to noise. -
Page 24: Inputs And Outputs
Inputs and outputs The Klimax Twin has both unbalanced and balanced inputs, selected by a switch on the back panel. Use the appropriate one to suit your choice of preamplifier and cabling. The LED will indicate when the unbalanced inputs are selected. Both signals are echoed out the unbalanced 'line out' socket to enable daisy chaining of amplifiers. -
Page 25: Operation
10 minutes after the input signal is removed. To operate the Klimax Twin, select a source on your preamp, wait a couple of seconds for the Klimax Twin to power up, then sit back and enjoy it. We wish you many happy years of listening pleasure. From the Linn Klimax team. -
Page 26: Input Connectors
6. Specifications General Dimensions Weight Protection Fuse rating Mains input range Maximum input power typical operating input power Standby power Amplifier specification Input connectors: Unbalanced (switch position in) Balanced (switch position out) Pin connections: Gain: Single ended Balanced V350mm W x 355mm L x 60mm H. 13.8"w x 13.9"L x 2.3"H 9Kg/19.84 lbs T6.3A... -
Page 27: Input Level For Clipping
Input impedance: Single ended Balanced Input level for clipping: Balanced Unalanced Single ended Signal sensing threshold Output connectors: Standard Optional Output power Load tolerance Harmonic distortion Frequency response Peak output voltage Options and accessories: • Wall mount system • Active crossover system • Binding post output terminals 7K8ohms 7K8ohms 2v rms... -
Page 28: Guarantee And Service
In parts of Europe, America and some other markets, extended warranty may be offered to customers who register their purchase with Linn. A Registration Card can be obtained from your retailer and should be stamped by him. This will also enable you to receive the Linn News and details of music available from Linn Records. - Page 29 Refer to the Linn Web Site for news, product listings and prices, system building guidelines and information on the type of outlets near you who can supply local warranty, terms of trading, price and sales tax information, or call a Linn helpline for the information you need.
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Page 30: Index
8. Index Acknowledgements Assorted facts Audio circuitry Copyright Current limiting Dimensions Fuse replacement Gain General description General safety instructions Guarantee Heat How the Klimax works Input connectors Input impedance Input level for clipping Inputs Inside the Klimax Installation Introduction Mains plug replacement Mains plugs Mains supply Operation...
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