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Henry Radio
Amplifier
2K-Classic
Henry Radio 2K-Classic User Manual
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Manual
Specs
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2
Table of Contents
Table of Contents
2
Specifications
3
Installation
6
Unpacking
6
Operating Location
6
Installation of Tubes
6
AC Line Voltage Connections Diagram
7
Assembling a PL-259 Connector
7
Cabling
8
Power Cable
8
Antenna Coax
9
Drive Cable
9
Relay Cable
9
Operating Controls
10
Front Panel Controls
10
2KD-Classic Operating Controls
11
Rear Panel Controls
12
Operating Controls - Floor Consoles
13
Operation
15
Preliminary Settings
15
Examine the Tubes
15
SSB Operation
16
CW Operation
17
ALC Adjustment
17
Alternate Tuning Method
17
Operating Precautions
18
Maintenance Procedure
19
Input Mismatch
19
Tube Problems
19
Relay Circuit Problems
19
High Voltage Circuit Problems
20
No Plate Current with High Grid Current
20
High Voltage Short
20
Low High Voltage, Excessive High Voltage
20
Blower Problems
21
Output Problems
21
AC Line Voltage
21
Contacting the Factory
22
Amplifier will Not Turn on
22
ALC Circuit Shorted
22
Filament Voltage Failure
22
RF Section Schematic
23
2KD-Classic Power Supply Schematic
24
2K-Classic Power Supply Schematic
25
2K-Classic X Power Supply Schematic
26
RF Deck Parts Locations
27
Power Supply Parts Locations
28
Disassembling Your Amplifier
29
Desk Model Disassembly
29
Floor Console Disassembly
29
Disassembling the Desk Model
30
Disassembling the Floor Console
32
Parts List
33
Power Supplies
34
Tune and Load Settings
36
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Henry Radio 2K-Classic Specifications
General
Input Impedance
50 ohms
Power Output
2000 W PEP
Cooling
Forced air
Plate Voltage
3000 V
Drive Power
100 W
Input Power
100 watts
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