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
¾”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?
Updated 08/14/08 07:15 PM
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