Parts list for K5LAD 4-1000A Amplifier

 

1 – B&W 850A tank coil and switch

1 – B&W 800 plate RF choke

1 – 175 pfd variable capacitor

            Used for:      Plate tuning cap

1 – 1000 pfd (3-section broadcast) variable capacitor

            Used for:      Antenna loading cap

4 – 500 pfd – 10 KV capacitors

            Used at:

1 – 2.5 mhy RF choke

            Used to protect someone touching the antenna output if the plate capacitors fail

1 – Ohmite Z-50 RF choke

1 – Filament transformer (7.5 volt, 21 amp)

2 - .001 mfd, 1000 volt capacitors

            Used at:

11 - .01 mfd, 1000 volt capacitors

            Used at:

2 - .01 (or .02), 1250 volt mica capacitors

            Used at:  Tube input circuit

3 – 390 ohm, 1 watt resistors

            Used in parallel as parasitic choke

1 – 1 ohm, 2 watt resistor

            Used at:        to ground the tube grid

1 – 18K, 2 watt resistor

            Used at:        voltage divider for output metering circuit off output

1 – 1K, 2 watt resistor

            Used at:        voltage divider for output metering circuit off output

1 – 25K, 10 watt resistor

            Used in:        grid biasing circuit

1 – 1N34 germanium diode

            Used in:        Output voltage sensing circuit

1 -   50K potentiometer

            Used in:        Output voltage set control

5 – 1 Megohm, 2 watt resistors

            Used at:        High voltage multiplier resistors

3 – 0-1 ma. Meter

            Used for:      Grid current, plate current, plate voltage

1 – 0-1 ma. Meter (small)

            Used for:      Output meter

2 – Millen High Voltage Connectors (1 – red, 1 – black)

            Used for:      Connections to high voltage power supply

1 – Filament choke

1 – 4-1000A vacuum tube

1 – Eimac SK-510 air socket

1 – Eimac SK-516 Pyrex chimney

1 – Chassis (15”x17”x4”) – Bud AC-1428 ($11.27)

            Used for:      Pressurized chassis

1 – Aluminum Panel (15 ”x19”x1/8”) Bud PA-1109 ($9.10) – Light gray textured

1 – Meter Shield (4”x17”x3”) Bud AC-432 ($5.50)

            Used for:      Meter shield

Cabinet to fit outside is Bud CR-1743  ($38.90) [I don’t think I used this]

 

ALC Circuit?

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Updated 08/14/08 07:15 PM

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