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Hallicrafters SX-25 Super Defiant
General Coverage Communications Receiver |
Rating (1-5): HHHH (4) |
Made In: United States 1940-1946 |
Voltages: 100-125 VAC 50-60 Hz |
Coverage: 540 - 42000 kHz |
Readout: Analog |
Modes: AM/CW |
Selectivity: 6 positions |
Circuit: Single Conversion Superheterodyne. 12 Tubes.
|
Physical: 19.5x9.5x11.125" 46 Lbs.
495x241x283mm 21 kg
|
Circuit Complement: 6SK7 1st RF Amp, 6SK7 2nd RF Amp, 6K8 1st Detector-Mixer,
6SK7 1st IF ANL, 6SK7 2nd IF Amp, 6SQ7 2nd Detector/AVC/1st Audio Amp, 6SQ7 Phase Inverter,
(2) 6F6 Audio Amp, 6H6 ANL, 6J5GT BFO and 80 Rectifier. |
Features: • ¼" Head. Jack • S-Meter • Tone (2 Pos.) • Bandspread
• RF Gain • Mute Line • Standby • Speaker Terminals
• ANL • AVC • Dial Lamp • Hinged Top Cover
• BFO • Flywheel Tuning |
Accessories: PM-23 Speaker |
New Price: $95-99 |
Used Price: $100-210 |
Comments: Ranges: .54-1.7, 1.7-5.1, 5-15.7 and 15.2-42 MHz. The true
bandspread covers: 80, 40, 20 and 10 meters. |
Hallicrafters SX-28A Super Skyrider
General Coverage Communications Receiver |
Rating (1-5): HHHH (4) |
Made In: United States 1944-1945 |
Voltages: 105-125 VAC 50/60 Hz |
Coverage: 550 - 43000 kHz
|
Readout: Analog |
Modes: AM/CW |
Selectivity: 6 positions |
Circuit: Single Conversion Superheterodyne. 15 Tubes.
|
Physical: 20.5x10x14.75" 75 Lbs.
521x254x375mm 34 kg |
Circuit Complement: 6AB7 1st RF Amp, 6SK7 2nd RF Amp, 6SA7 Mixer, 6SA7 HF
Osc, 6L7 1st IF ANL, 6SK7 2nd IF Amp, 6B8 AVC Amp, 6B8 2nd Detector/S Meter, 6AB7 Noise
Amp, 6H6 Noise Rectifier, 6J5 BFO, 6SC7 1st Audio Amp, (2) 6V6GT Audio Amps and 5Z3
Rectifier. |
Features: •¼" Head. Jack • S-Meter • Tone • Phono Input Jack • Sensitivity • Bandspread • Dial Lock • Speaker Terminals
• Flywheel Tuning • AVC ON/OFF • Dial Lamps • Hinged Top Cover • Mute Line • Bass Switch • Standby • Antenna Trimmer • NL |
Accessories: PM-23 Speaker |
New Price: $225-275 |
Used Price: $180-290 |
Comments: Ranges: .55-1.6, 1.6-3, 3-5.8, 5.8-11, 11-21 and 21-43 MHz.
Bandspread: 3.5-4, 7-7.3, 14-14.4 and 28-30 MHz. |
Variants: The SX-28A is an enhanced government model. The regular model SX-28 $180 was made in 1941. A large number of SX-28s were sent to Russia as a part
of the World War II Lend-Lease Act. When they reached Russia they were modified to accommodate Russian tubes. They occasionally appear on the Russian used market. |
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