- Country
- United States of America (USA)
- Manufacturer / Brand
- Espey Mfg. Co., Inc.; New York (NY)
- Year
- 1946/1947
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 39201
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 8
- Main principle
- Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast plus 2 Short Wave bands.
- Power type and voltage
- Line / Batteries (any type) / 115; 90; 12 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
- from Radiomuseum.org
- Model: 581 - Espey Mfg. Co., Inc.; New York
- Shape
- Portable set > 8 inch (also usable without mains)
- Notes
-
BC (540 - 1500 kHz), SW1 (3.6 - 8.5 MHz) and SW2 (8.5-19 MHz) bands. 50A5 used as final audio in power line operation with 35Y4 rectifier.
The Espey model 581 is an Three Power Multi-Band Superheterodyne Receiver.
- External source of data
- Ernst Erb
- Source of data
- The Radio Collector's Directory and Price Guide 1921 - 1965
- Circuit diagram reference
- Rider's Perpetual, Volume 15 = 1947 and before
- Literature/Schematics (1)
- Photofact Folder, Howard W. SAMS (Date: Feb 1947, Set 14, Folder 474-10)
- Other Models
-
Here you find 144 models, 41 with images and 131 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Espey Mfg. Co., Inc.; New York (NY)