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+ | ====== E-611: Hallicrafters SX-23 ====== | ||
+ | **E-605**, **All Wave Receiver SX-23**; developed and produced by [[Hallicrafters|Hallicrafters Co., Chicago IL]]. | ||
+ | The number of sets aquired by the army and the exact role of the receiver is not known. | ||
+ | |||
+ | {{: | ||
+ | ===== Technical Data ===== | ||
+ | * [[Principle]]: | ||
+ | * [[Modes]]: [[A1|CW (A1)]], [[A3J|SSB (A3J]] with BFO, [[A3|AM (A3)]] | ||
+ | * [[Frequency range]]: 540 kHz - 34 MHz, covered in four general coverage bands (540 kHz - 1.7 MHz / 1.7-5.2 MHz / 5.2-16.5 MHz / 11-34 MHz ) and four amateur radio bands (80 - 10 m) with bandspread | ||
+ | * **Analog dial**, nonlinear | ||
+ | * [[Sensitivity]]: | ||
+ | |||
+ | ==== Power Supply ==== | ||
+ | * [[Mains]]: 105 - 125 V | ||
+ | |||
+ | ==== Dimensions ==== | ||
+ | * 480 x 235 x 318 mm, 23 kg | ||
+ | |||
+ | The SX-23 comes in a 48 x 23.5 x 31.8 cm large metal cabinet, a hinged lid gives access to the inside for tube replacement. | ||
+ | |||
+ | ==== Accessories ==== | ||
+ | |||
+ | ---- | ||
+ | |||
+ | ===== Operation ===== | ||
+ | The **Super Skyrider SX-23** has an Art Deco case unique to this [[Hallicrafters]] radio. In contrast to earlier receivers made by [[Hallicrafters]], | ||
+ | |||
+ | The band switch is located below the main dial, on the left there are the marks of the four amateur bands, on the right the " | ||
+ | |||
+ | To the left of the main dial is the control for the BFO used for [[CW]] reception (in my set, the " | ||
+ | |||
+ | On the lower right of the front panel is the bandwidth switch, which is coupled to the AVC control, the automatic gain control. With the AVC switched off, a narrow quartz filter for telegraphy reception, a slightly wider one for telephony reception and a narrow coil filter can be selected. In the right positions the AVC is activated, a quartz filter for telephony, a narrow and a wide coil filter can be selected. | ||
+ | |||
+ | ===== Technical Principle ===== | ||
+ | The RF signal coming from the antenna connector is first amplified ([[de: | ||
+ | |||
+ | The eleventh tube used in the power supply is the full-wave rectifier tube [[de:80]]. | ||
+ | |||
+ | ==== Valve setup ==== | ||
+ | V1 ([[de: | ||
+ | |||
+ | V11 ([[de:80]], mains rectifier). | ||
+ | |||
+ | ==== Development ==== | ||
+ | |||
+ | ==== Field use ==== | ||
+ | Information about the purpose of the E-611 / Hallicrafters SX-23 in the Swiss Army is missing, the receiver is likely to have been in use for radio monitoring purposes. | ||
+ | |||
+ | {{gallery>: | ||
+ | |||
+ | ==== Manuals ==== | ||
+ | |||
+ | ==== Additional information ==== | ||
+ | * [[http:// | ||
+ | * [[http:// |
en/e-611.txt · Zuletzt geändert: 2019/03/28 08:52 von 127.0.0.1