|Amp Supply LK 400 SERIES Amplifier|
|Model||LK 400 SERIES|
The Amp Supply LK 400/500 series linear power amplifiers are compact 160-15 meter MF/HF amplifiers of modern design. The series provides the amateur operator with a choice of power output levels and features consistent with their specific operating requirements. Each LK 400/500 series amplifier uses the powerful 3-500Z triode tube(s) in a grounded grid configuration Class AB2. The LK 400/500 series amplifiers are high performance pieces of equipment and are engineered conservatively with American components and ingenuity. Every LK 400/500 series MF/HF linear amplifier is field tested at its specified power input level and duty cycle and should require a minimum of maintenance through years of operation. Additionally, each LK 400/500 series amplifier will operate many MARS frequencies without modification (see MARS expanded coverage chart). A quiet, efficient cooling system maintains the RF deck and power supply chamber temperature ensuring long service life. All LK 500 series linear amplifiers feature the new ALO (Automatic Lock Out) circuit which senses unacceptable plate/grid currents and voltages or improper amplifier tuning and stops amplifier operation. Tuning the amplifier is a simple procedure, since each unit is designed for longterm stability in virtually any operating situation. Tuned input and standard relay switching circuitry makes the LK 400/500 series compatible with any available solid state or tube transceiver or transmitter. Despite their straight-forward design and minimal user required adjustment, the LK 400/500 series linear amplifiers are sophisticated electronic instruments. Therefore, if the unit is operated outside the parameters outlined in this owner’s manual, damage may result. Please read this manual carefully before putting your new Amp Supply LK 400/500 series linear amplifier on the air.
These manuals are available for the above equipment:
|Amp Supply -- LK 400 SERIES -- Service and User Manual|
|Manual Type||Service and User Manual|
|Size||1.27 Mbytes (1329353 Bytes)|
|Quality||Scanned document, all readable.|
|Upload date||01 May 2014|
|Downloads||551 since 01 May 2014|
1.0 Introduction 1 1.1 Product Description 1 1.2 Specifications 2 1.2.1 Common Specifications 2 1.2.2 Unique Specifications 4 1.3 Front Panel Features 6 1.4 Rear Apron Features 7 2.0 Installation 9 2.1 Introduction 9 2.2 Unpacking 9 2.3 Warranty Card 9 2.4 Installation 9 2.4.1 Tube Installation 1 0 2.5 Amplifier Placement 1 0 2.6 Power Requirements 1 0 2.7 Amplifier Installation 1 2 2.8 Cable Installation 13 2.9 Ground Requirements 1 3 2.10 Antenna Requirements 1 5 3.0 Tuning 1 6 3.1 Tuning Procedure 1 6 4.0 Amplifier Care 20 4.1 Introduction 20 4.2 Cleaning Amplifier Compartment 20 4.3 Tube Replacement 20 4.4 Troubleshooting 22 4.5 Factory Service 22 Limited Warranty 26 Appendix A Warnings and Cautions A - 1 Appendix B Schematic Diagrams B-1
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