- Country
- United States of America (USA)
- Manufacturer / Brand
- CEI - Communication Electronics Inc.; Rockville
- Year
- 1964 ?
- Category
- Commercial Receiver (may include amateur bands)
- Radiomuseum.org ID
- 311410
Front Panel
Front Panel - tuning and name plate
Controls L.H. side
Controls R.H. side
top view of IF strip 21.4 MHz
botoom view
bottom view - gear boxes for tuner drive
top view - gear box with film scale
- Number of Tubes
- 5
- Number of Transistors
- Semiconductors present.
- Semiconductors
- Main principle
- Superheterodyne (common); ZF/IF 21400 kHz
- Wave bands
- Wave Bands given in the notes.
- Power type and voltage
- Alternating Current supply (AC) / 115 Volt
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: 905A - CEI - Communication
- Shape
- Rack
- Dimensions (WHD)
- 19 x 3.5 x 15.5 inch / 483 x 89 x 394 mm
- Notes
-
VHF/UHF surveillance receiver covering 30-60 / 60-300 MHz in two bands; AM, FM, CW.
IF bandwidths 20 kHz or 300 kHz, selectable by front-panel control.Sensitivity 20-kHz Bandwidth:
AM: 1 mV input, modulated 50% at 1 kHz rate, produces 10 db (S+N)/N, minimum
FM: 2 mV input modulated at 1 kHz rate with 7 kHz deviation, produces 21 db (S+N)/N min.
Sensitivity 300-kHz Bandwidth:
AM: 4 mV input, modulated 50% at 1 kHz rate, produces 10 db (S+N)/N, minimum
FM: 4 mV input, mod. at 1 kHz rate with 100 kHz deviation, produces 21 db (S+N)/N, min.
Manual Gain Control Range 100 db, minimum
Video Output Level 5 volts, rms, across a 10K ohm unbalanced load
Video Amplifier Response less than 3 db variation from 100 Hz to 60 kHz
Audio Output Level 100 mW into a 600 ohm balanced or unbalanced load
Audio Amplifier Response 100 Hz to 40 kHz at 3 db points
FM Deviation Sensitivity 50 kHz deviation produces 5 volts, peak-to-peak,
with maximum VIDEO GAINSpecial feature: Carrier Operated Relay with a sensitivity of 1 mV (Variant 905A-1)
- Net weight (2.2 lb = 1 kg)
- 18 lb (18 lb 0 oz) / 8.172 kg
- Price in first year of sale
- 2,025.00 USD
- Mentioned in
- - - Manufacturers Literature (CEI catalog 1968)
- Author
- Model page created by Franz Harder. See "Data change" for further contributors.
- Other Models
-
Here you find 7 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from CEI - Communication Electronics Inc.; Rockville
Collections
The model 905A is part of the collections of the following members.