Henry Radio Amplifiers 
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Past Amplifier summary

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Model

Dates of Manufacture

Tube Complement

Frequencies

Configuration

1KD-5

1980-1988

3-500Z x 1

3.5-30 MHz

Desk-1 piece

2K

1963-1965

3-400Z x 2

3.5-30 MHz

Console

2KD

1963-1965

3-400Z x 2

3.5-30 MHz

Desk-2 piece

2K2

1965-1967

3-400Z x 2

3.5-30 MHz

Console

2KD2

1965-1967

3-400Z x 2

3.5-30 MHz

Desk-2 piece

2KD Standard

1996-1998 3-500Z x 1 3.5-30 MHz Desk-1 piece

2K3

1967-1970

3-500Z x 2

3.5-30 MHz

Console

2KD3

1967-1970

3-500Z x 2

3.5-30 MHz

Desk-2 piece

2K4

1970-1980

3-500Z x 2

3.5-30 MHz

Console

2KD4

1970-1980

3-500Z x 2

3.5-30 MHz

Desk-2 piece

2K-4A 1978-1980 3-500Z x 2 3.5-30 MHz Console

2KD5

1980-1984

3-500Z x 2

3.5-30 MHz

Desk-1 piece

2K Classic

1980 to 2004

3-500 x 2

3.5-30 MHz

Console

2K Classic X

1982 to 2004

3-500 x 2

3.5-30 MHz

Console-HD supply

2KD Classic

1984 to 2005

3-500 x 2

3.5-30 MHz

Desk-1 piece

2K Ultra

1972-1976

8873 x 2

3.5-30 MHz

Desk 2 piece

3K

1967-1970

3-500Z x 2

3.5-30 MHz

Console-HD supply

3KA

1970-1978

3-500Z x 2

3.5-30 MHz

Console-HD supply

3K Classic 8877

1980-1984

8877/3CX1500A7

3.5-30 MHz

Console-HD supply

3K Classic X Mk II

1984 to 2004

3CX1200A7

3.5-30 MHz

Console-HD supply

3KD Premier

1985-1999

3CX1200D7

1.8-30 MHz

Desk-1 piece

3KD Premier 8877

1999 to 2003

8877/3CX1500A7

1.8-30 MHz

Desk-1 piece

3KD Classic 1996-1998 3CX1200D7 3.5-30 MHz Desk-1 piece

3K Premier

1985 to 2005

3CX1200A7

1.8-30 MHz

Console-HD supply

3K Ultra

1991 to 2005

3CX1200D7

1.8-30 MHz

2 piece-Remote Tune

4K

1966-1967

5CX1500A

3.5-30 MHz

Console

4K2

1967-1968

5CX1500A

3.5-30 MHz

Console

4K Ultra

1971-1982

8877/3CX1500A7

3.5-30 MHz

Console

5K Classic

1988 to 2005

3CX1200A7 x 2

3.5-30 MHz

Console

6N2

1972-1975

8874 x 2

50 and 144 MHz

Desk-1 piece

8K Ultra

1991 to 2005

3CX3000A7

1.8-30 MHz

2 piece-Remote Tune

2000

1970-1972

3-500Z x 2

3.5-30 MHz

Mfr. by E.F Johnson

2001

1974-1978

8874 x 2

3.5-30 MHz

Desk-1 piece

2002

1972-1981

8874 x 2

144-148 MHz

Desk-1 piece

2002A

1981 to 2005

3CX800A7

144-148 MHz

Desk-1 piece

Model

Dates of Manufacture

Tube Complement

Frequencies

Configuration

2002A-220

1990 to 2004

3CX800A7

220-225 MHz

Desk-1 piece

2004A

1982 to 2005

8874 x 2

430-440 MHz

Desk-1 piece

2006

1972-1981

8874 x 2

50-54 MHz

Desk-1 piece

2006A

1981 to 2005

3CX800A7

50-54 MHz

Desk-1 piece

2502A

1999 to 2004

3CPX800A7

144-148 MHz

Desk-1 piece

2502A-220

1999 to 2004

3CPX800A7

220-225 MHz

Desk-1 piece

2504A

1999 to 2004

3CPX800A7

430-440 MHz

Desk-1 piece

2506A

1999 to 2004

3CPX800A7

50-54 MHz

Desk-1 piece

3002A

1983 to 2005

8877/3CX1500A7

144-148 MHz

Console-HD supply

3002A-220

1983 to 2004

8877/3CX1500A7

220-225 MHz

Console-HD supply

3004A

1983 to 2005

8877/3CX1500A7

430-440 MHz

Rack Cabinet

3006A

1983 to 2005

8877/3CX1500A7

50-54 MHz

Console-HD supply

3006B

1990-1992

3CX1200Z7

50-54 MHz

Console-HD supply

4002A

2000 to 2005

3CX3000A7

144-148 MHz

Rack Cabinet

4006A

2000 to 2005

3CX3000A7

50-54 MHz

Rack Cabinet

T2000

1972 to 1976

8874 x 2

3.5-30 MHz

Desk-1 piece

SS500HF

1996 to 1999

Solid State

1.8-30 MHz

13.8 Mobile or Base

SS750HF

1996 to 2005

Solid State

1.8-30 MHz

13.8 Mobile or Base

SS1200HF

1997 to 2005

Solid State

1.8-30 MHz

24.0 Mobile or Base

T2000

1972 to 1976

8874 x 2

3.5-30 MHz

Desk-1 piece

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