Grigsby 181 Schematic purchase
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| Grigsby 181 (Rider : Grigsby 1 P: 8) |
| £1.80 (~ $2.20 or €2.10) |
| Not the correct model? go back to the search page to change |
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| Country | USA |
|---|---|
| Manufacturer | Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL) |
| Model | Majestic 181 Ch= 180 - Grigsby-Grunow -Hinds Co. |
| Year: 1929 | Category: Broadcast Receiver |
| Valves | 9: 27 27 27 27 27 50 50 81 81 |
| Technology | TRF without regeneration; 3 AF stage(s); Neutrodyne |
| Tuned Circuits | 4 AM circuit(s) |
| Wave Bands | Broadcast only (MW). |
| Details | Record Player (not changer) |
| Power type | AC / 90-130 Volt |
| Initial Price | 265.00 $ |
| Source | MyFile: majestic_grigsby-60_70_72_70b_80_90_90b_100_100b_130a_super screen grid_180_181_230a_majestic_7bp3_7bp6_7p3_7p6_8p3_8p6_9p3-1930.gernsback.radio.pdf |
| Source | Book: gernsback Vol: 1 Page: 193 |
| Source | Book: rider Vol: 1 Page: 8 |
| Source | Book: rider Vol: 2 Page: 2 |
| Source | MyFile: majestic_grigsby-20_21_22_23_30_31_50_52_60_61_62_70_71_72_70b_80_90_90b_100_100b_130a_160_163_super screen grid_180_181_230a_majestic_7bp3_7bp6_7p3_7p6_8p3_8p6_9p3-1933.rider.radio.pdf |