Concert Fidelity CF-080LS Owner's Manual

Summary of CF-080LS

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    Hybrid line stage preamplifier cf-080ls silicon arts design & concert fidelity, inc. Owner's manual.

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    - 2 - thank you for your purchase of the cf-080ls hybrid line stage preamplifier. This amplifier represents the fruits of over 30 years’ design experience by masataka tsuda, during which he has continuously pursued the limits of circuit simplification and optimization in order to attain the purest m...

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    - 3 - before removing the amplifier from the box, please be careful of the following: the standby/operation switch located on the rear of the amp is fragile, so care should be taken not to damage it when lifting the amp from their foam packaging. Similarly, care should be taken not to damage the rea...

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    - 4 - instructions for getting started 1. Take top plate off the cf-080ls. Install rectifier tube (6ca4/ez81) in power supply section. 2. Install 12au7 tubes (13d5a) in gain stage through rear panel. Please take extra caution not to bend tube terminal pins during installation, since tube sockets are...

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    - 5 - 5. Connect power amp to the cf-080ls with interconnect cables. Please do not turn the unit on yet. 6. After confirming that there is no output from source component (or that source component is not in play mode), turn power on/off switch to on. Please confirm that white led on front panel for ...

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    - 6 - description of power on/off and standby/operation switches [power on/off switch] this is the main power switch. Cf-080ls is designed to be left in power on position at all times. In power on position, volume control circuit is active, and vacuum tube gain stage is in standby (off) mode. When g...

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    - 7 - safety warning and warranty invalidation the printed circuit board immediately on the inside of the rear panel is connected to high voltage power, and thus presents an extreme shock hazard if it is touched. Never open the case which protects the amplifier circuitry, or touch the parts inside. ...

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    Silicon arts design & concert fidelity warrants your amplifier against defects in materials and workmanship for a period of one year from the date of purchase. This warranty applies to the original purchaser only and to amplifier used in normal residential stereo systems. Silicon arts design & conce...