Radio today (Sept 1935-Dec 1936)
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All-wave signal generator
* Test oscillator using fundamentals on all bands covering 60 to 60,000 kc Cast aluminum case with compartments tor individual circuits— Faraday shield isolates instrument from AC lines. Has 6E5 tube for output indicator — modulated output at 400 cycles. Size 10x7x4y2— weight 10 pounds. DayRad model 36-A— net $36.75. Radio Products Co., 125 Sunrise PI., Dayton, Ohio— Radio Today
Radio cabinets in color
* Emerson model 108 5-tube dual-band table superheterodyne is now available in colors — black. ivory, walnut. Set is AC-DC type with full-vision dial, AVC, dust-proof dynamic speaker. Cabinet of bakelite — list $24.95. Emerson Radio & Phonograph Corp., Ill Eighth Ave., New York City — Radio Today
Cathode-ray tuning indicator
* Self-contained cathoderay tuning indicator for all sets — with or without AVC using 2E5. 6E5, 6G5 tubes. Tube is mounted in a statuette of the Lion of Lucerne. "Magic Lion" is placed on top of set and no holes in cabinet are required. List $8.75 complete. Magic Lion Mfg. Co., 56 Gold St., New York City— Radio Today
"G" series radio tubes
+ Announcement of "G" type tubes have been made by manufacturers listed below. Tubes are glass versions of the metal tubes bearing the same numbers — have octal bases wired indentical to metal tubes. 5Y3 and 5Y3-G are interchangeable with 5Z4. 5V4-G is an 83V with octal base. "G" types introduced by:
Hvgrade-Sylvania Corp., 500 Fifth Ave., New York City— 5V4G, 5Y3. 6A8G, 6C5G, 6F5G, 6F6G, 6H6G, 6J7G. 6K7G, 6L7G, 6N6G, 6N7G, 6Q7G, 6X5G, 25A6G, 25Z6G.
By Philco Radio & Television Corp.. Philadelphia, Pa.— 6A8G. 6F6G, 6H6G, 6J7G, 6K7G, 6L7G, 6N7G, 6Q7G, 6R7G, 25A6G, 25Z6G.
Triad Mfg. Co., Inc., Blackstone St., Pawtucket, R. I.— 5Y3-G, 6A8-G, 6B6-G, 605-G, 6F5-G, 6F6-G, 6H6-G, 6J7-G, 6K7-G, 6L7-G, 6N6-G, 6Q7-G, 6R7-G, 6X5-G, 25A6-G. 25Z6-G — Radio Today
Wire-wound insulated resistors
* Line of % and 1 watt low ohm insulated resistors. Completely insulated against shorts and effects of humidity. Resistance element of wire wound on a small textile core. One watt type (1% inches long) available from V2 to 2,000 ohms— % watt (% inch) from Vi to 500 ohms. Type B.W. — International Resistance Co., 401 N. Broad St., Philadelphia, Pa. — Radio Today
Crystal microphone
MP
* Crystal microphone having universal adaptability — desk, hand, floor, suspension mountings. Output of 6.5 millivolts with normal speech at distance of 15 inches. Impedance of 10,000 ohms at 500 cycles — operates into 100,000 ohm load. Shelf and working life practically unlimited. Size 314 x 1% inches. Model AG — list $22.50. American Microphone Co., 27 Park PL, New York City — Radio Today
Transmitting tubes
■* Transmitting tubes of the Gammatron 54 series now available in ratings of 150, 750, 1500 watts plate dissipation. Tubes are of aircooled type — have tantalum plates and grids to eliminate gas difficulties — Nonex envelopes. Internal insulators have been eliminated by scientific design. Type 354, 150 watts— net $24.50. Heintz & Kaufman, South San Francisco, Cal. — Radio Today
Light-weight generators
* Portable power and light plant. Capacity of 300 watts at 110 volts 60 cycles AC. Generator is directly coupled to gas engine. Produces no radio interference — w e i g h s 50 pounds. Katolight Jr. — list $84. Other models (DC) available: 150 watts 6 volts— $59.95; 200 watts 12 volts— $62;
300 watts 32 volts— $65; 300 watts 110 volts — $69. Kato Engineering Co., Mankato, Minn. — Radio Today
6-volt all-wave console
* Three -band farm or summer cottage set for operation from storage battery. Seven tubes in superhet circuit— range, 540-1500, 1450-3500, 5600-18,000 kc. Full vision dial with dual-ratio vernier. Vibrator power unit — permo-dynamic speaker. Model 115. Stromberg-Carlson Telephone Mfg. Co., Rochester, N. Y. — Radio Today
Auto antenna
* Under-car antenna (Insulantenna) for all cars. Rubberized construction — weather, abrasion, rustproof. Fits under both running boards — adjustable brackets — no holes to drill. Non-directional — vibration and rattle-proof. Rubber coating impervious to all road compounds. Inland Mfg. Co., Dayton, Ohio — Radio Today
New tubes
* Introduced to the trade in past month are the following tubes. IF4 2-volt glass power output pentode. 1F6 2-volt glass duo-diode pentode. 5W4 full-wave filament type metal rectifier tube. 6L6 beam type power output metal amplifier. 6N7 metal class B twin amplifier. Introduced by:
Hygrade Svlvania Corp., 500 Fifth Ave., New York City— IF6, 5W4, 6L6, 6N7.
Ken-Rad Corp., Owensboro, Ky. — 5W4.
Raytheon Production Corp., 420 Lexington Ave., New York City — 1F6, 5W4, 6L6.
RCA Radiotron Div., RCA Mfg. Co., Camden, N. J.— IF4, IF6, 6N7— Radio Today"
Mav. 1936
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