General Coverage Communications Receiver
Made In: England 1957-1961	Voltages: 110/125 or 200/250 VAC
Coverage: 480 - 30000 kHz.	Readout: Analog
Modes: AM/CW	Selectivity: See Comments
Circuit: Single Conversion Superheterodyne. 15 Tubes.	Physical: 16.75x8.75x13.75" 57 Lbs. 426x222x350 mm 25.8 kg
Circuit Complement: 6BA6 RF Amp, 6BA6 RF Amp, 6BE6 Mixer, 6AM6 Oscillator, 6BA6 IF Amp, 6BA6 IF Amp, 6AL5 AGC/Demodulator, 12AU7 Audio Amp, 6AL5 NL/S-Meter, 6AM6 Crystal Calibrator, 6AU6 Cathode Follower, 6BA6 BFO, 5Z4G Power Rectifier, VR150 Voltage Stabilizer and 6AM5 Output. Two RF stages and two IF stages.
Features: • ¼" Head. Jack • S-Meter • Dial Lamp • Calibrator 500 kHz • RF Gain • BFO ±5 kHz. • AF Filter 1000 Hz • 140:1 Tune Ratio • Standby • AVC ON/OFF • Rack Handles • Dimmer • Mute • Hinged Cover • Flywheel Tuning • IF Out Jack • Line Out • NL
Accessories:
New Price: £235	Used Price: £70-95
Comments: Ranges: 12.3-30, 5.3-12.5, 2.5-5.7, 1.11-2.5 and .48-1.12 MHz. This radio requires a speaker (such as 688D). The vernier tuning has 2500 divisions and gives an equivalent scale of 34 feet. Small lamps on the right of the scale indicate band in use. Selectivity: 12/6/3/1.5/.5 kHz (.1 with audio filter). Light gray finish.
Variants: Model 730/6 has four crystal controlled fixed frequencies in the range of 2 - 20 MHz. Model 730/8 also has the four fixed positions and the lowest tuning range is changed to 200 - 410 kHz rather than the 480 - 1120 kHz.

Eddystone 830/2

General Coverage Communications Receiver
Made In: England 1965-1969	Voltages: 110/125 200/250 VAC
Coverage: 300 - 30000 kHz.	Readout: Analog
Modes: AM/LSB/USB	Selectivity: 6/3/1.3 kHz -6dB.
Circuit: Double Conversion Superheterodyne. 15 Tubes.	Physical: 16.75x8.75xx15" 49 Lbs 426x222x381mm 22 kg
Circuit Complement: 6ES8 RF Amp, 6AK5 1st Mixer, 6U8 1st Local Osc, 6AK5 2nd Mixer, 6C4 2nd Local Osc, 6BA6 1st IF, 6BA6 2nd IF, 6AL5 NL, 6AU6 IF Output Cathode Follower, 6AT6 AM Detector/AGC, 6AQ5 Audio Output, 6AU6 Crystal Calibrator, 6BE6 CW/SSB Detector and (2) 0A2 HT Stabilizer.
Features: • ¼" Head. Jack • S-Meter • Rack Handles • Calibrator 100 kHz • RF Gain • BFO • Mute • 8 Crystal Positions • Dial Light • Speaker Out • Line Out • IF Out
Accessories: Rack Mount, EP20 Panoramic Adapter
New Price: £275	Used Price: £110-180
Comments:
Variants: The 830/2 is the general production version. Model 830/1 is identical to the 830/2, but has a smaller "pointer" knobs for Selectivity, Mode switch and AGC/NL switch. Model 830/3 uses a different RF Gain knob than the 830/2. Model 830/4 Canadian version, covers 120-560 and 1500-30000 kHz. and features a different mains connector, cabinet screws and incremental scale. Model 830/5 is Swedish version with a different antenna jack. Models ending in /RM are for rack mounting.

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