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Date Posted by Category User IP

2014-08-25 (UTC)

AK6OK

HF Amplifiers

76-14-131-82.rk.wavecable.com

Henry 2KD5 Amplifier

You are buying a Henry 2KD5 Desktop amplifier
in excellent condition. This amplifier just had
the filter capacitors replace with NEW caps
bought from Henry Radio. The amp works very
well and has no known issues.

FACTORY SPECIFICATIONS:
2KD-Classic - A desk top 2000 watt PEP input
(1200 watt PEP nominal output) RF linear power
amplifier covering the 3.5 to 30.0 MHz
frequency range.

TYPE OF EMISSION SSB/AM/CW or
RTTY (class AB operation).

OUTPUT POWER - 2KD-Classic
1200 watts PEP nominal {2000 watts PEP
nominal input).

DRIVE POWER -80 to 120 watts nominal input
drive power.

DIMENSIONS
2KD-Classic- 9.5" high x 17.25" wide x 19.75"
deep.

SHIPPING WEIGHT
2KD-Classic - Approximately 80 pounds.

DUTY CYCLE
2KD-Classic - Full output in intermittent
amateur service.

POWER REQUIREMENTS
2KD-Classic/2K-Classic/ 2K-Classic X (Domestic
Model) -
115 VAC at 30 amps or 230 VAC at 15 amps, 50
or 60 Hz.
(Factory setup required for 2 wire 230 VAC use)

ALC CIRCUIT Prevents overdrive from high
power
exciters and boosts the average talk power of
your signal.

COOLING - Forced air cooled.
PLATE POWER INPUT - Nominal average input of
1000 watts with speech. Distortion products are
at least 35 dB down from the signal.

FREQUENCY RANGE
80 Meters - 3.5 to 4.0 MHz
40 Meters- 7.0 to 7.5 MHz
20 Meters,- 14.0 to 14.5 MHz
15 Meters - 21.0 to 21.5 MHz
10 Meters - 28.0 to 30.0 MHz *10 Meters
requires a modification kit - All amplifiers will
work on all WARC bands and most
frequencies between 3.5 and 30.0 MHz.

INPUT IMPEDANCE - 50 ohms nominal with
tuned input circuits.
OUTPUT IMPEDANCE - 50 ohms unbalanced
"SWR < 2:1).
TUBE COMPLEMENT - Two Eimac 3-500 Z glass
envelope triodes.
HARMONIC AND SPURIOUS RADIATION - 2nd
Harmonic - better than 50 dB down. 3rd Order
Distortion - better than -35 dB at full output.

NOISE LEVEL - 40 dB or better below 1-tone
carrier at 1000 watts output.
PLATE VOLTAGE -(Depends on AC line voltage)
2KD-Classic - SSB 3000 to 3200 VDC. CW 2000
to 2200 VDC.

CABINETRY - All aluminum cabinets, double
shielded in RF sections.

ANTENNA RELAY SYSTEM - Built-in 12 VDC
antenna relays automatically transfer the exciter
to the antenna when the power switch is in the
standby or off position. Built-in DC power
supply to offer hum-free relay operation.

METERING - Plate current, plate voltage, grid
current are metered.

PROTECTION DEVICES - All circuits are protected
by fuses, circuit breakers or cabinet interlocks.
Call for more information: Jeff AK6OK 916-205-
2200

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