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Last modified 2023-12-19

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Delta 500

A picture of Delta 500

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: 10-80 m in five bands
80 m:   3.5-3.8 MHz
40 m:   7.0-7.3 MHz
20 m:   14.0-14.35 MHz
15 m:   21.0-21.45 MHz
10 m:   28.5-29.1 MHz
Plus one optional band
Tuning steps:Analog / continuous
Frequency stability:Within ±1 KHz for 60 minutes after power on.
±100 Hz for any 30 minutes thereafter
Mode:AM / SSB / CW
Channels / memory management:
Repeater shift / offset:No
Power supply:Mains: 110 / 220 VAC
Current drain / power consumption:RX: ?W
TX: Max ? W
Antenna impedance / connector:50-75 ohm / SO-239
Dimensions (W*H*D):360*180*398 mm (14.2*7.1*15.7")
Weight:12.5 Kg (27.6 lb)
Other features:Crystal calibrator (100 KHz).




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity: SSB: 0.5 uV (10 dB S/N)
Selectivity:2.4 KHz /-6 dB)
4.2 KHz (-60 dB)
Image rejection:50 dB
AF output power / speaker:2 W at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

Pwr
AM:~50 W (100 W input)
SSB (PEP):~250 W (500 W input)
CW:~150 W (300 W input)
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -60 dB
Microphone impedance / connector:? ohm / ?-pin (1/4" jack)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Brazil, 1975-1985 (Discontinued)
Additional info: Tube hybrid
Related documents: RF finals: Two 6KD6
Modifications and fixes:
Reviews:
Options / Accessories:
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