The Eddystone 850/4 is a desktop LF receiver covering 10-600 kHz in 6 bands. It features better than 200 Hz/hour frequency stability after warm-up, 2 independent crystal filters and a 1000 Hz audio filter. The receiver system is single conversion superheterodyne with an IF frequency of 720 kHz and image rejection of ≥ 75 dB. It requires an external speaker or headphones for audio output and has 1 memory bank with 8 channels. Power requirements are Mains.
General characteristics
- HAM bands
- 160m 80m 60m 2000m
- Frequency stability
- Better that 200 Hz/hour after warm-up
- Tuning steps
- ?
- Memories
- 8 channels in 1 bank(s)
Receiver
- RX-range
- 10-600 kHz in 6 bands
- Modulations
- AM CW
- Sensitivity
- ≤ 5 µV for 15 dB S/N
- Selectivity
- 120 Hz @ -6 dB
400 Hz @ -30 dB - Filters
- 2 independent crystal filters + 1000 Hz audio filter
- Receiver system
- Single conversion superheterodyne
- IF-frequencies
- 720 kHz
- Image rejection
- ≥ 75 dB
- Audio output
- Requires external speaker / headphones
Connections
- Antenna
- Clamps / screws
- Impedance
- 75/300Ω
- Other
- -
Electrical
- Power requirements
- Mains
- Current drain RX
- ?
- TX
- -
Physical
- Dimensions (w×h×d)
- ?
- Weight
- ?
- Form factor
- Base Station
- Manufactured
- Between 19xx and 19xx in Great Britain
Other features
- Usage
- Amateur / Ham radio operators
- Features + options
- -
- Accessories
- -
- RigReference ID
- 6385
- MPN
- EDDYSTONE-000850/4
Manuals, diagrams and brochures
- Eddystone 850/4 Instruction Manual PDF - 9.76 MB, submitted by RigReference
- Eddystone-850/4 - Specifications PDF - 312.8 kB, submitted by Pancho Cheja
- Upload relevant documents
New and second-hand prices
Estimating the value of a rig can be challenging. We collect prices paid by real hams over the years to help you estimate the value of a used Eddystone 850/4. Just bought or sold this model? Let us know what you traded it for and help other ham operators!
These estimates are based on the following prices:
Links & tools
- Search YouTube for Eddystone 850/4 videos
- Search Google for Eddystone 850/4 information
- Search Google Images for Eddystone 850/4
- Search Twitter for Eddystone 850/4 news
- Search Wikipedia for Eddystone 850/4 information
- Search the Boat Anchor Manual Archive (BAMA) for Eddystone 850/4 for manuals and documents (using Google)
About
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