Radio Broadcast (May 1927-Apr 1928)

Record Details:

Title:
Radio Broadcast
Date:
May 1927-Apr 1928
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000716
Language:
English
Subjects:
radio periodical, Radio -- Periodicals
Contributor:
Library of Congress, MBRS, Recorded Sound Section
Sponsor:
Library of Congress, Motion Picture, Broadcasting and Recorded Sound Division
Coordinator:
Media History Digital Library
Description:
Radio Broadcast supported home listeners of the new technology of radio – for building or buying a receiving set to explaining the technology used by the new radio stations. Throughout the magazine shows the cultural influence of radio as it evolved from hobbyist to mainstream. -- David Pierce, 2011
Date Added:
September 29, 2022
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£48 RADIO BROADCAST ADVERTISER NO. 485. BOSWORTH B6 Five tubes; 2 t. r. f. (01-A), detector (01-A), 2 transformer audio (01-A and 71 ). Two dials. Volume control: variable grid resistances. Battery cable. C-battery connections. Antenna: 25 feet or longer. Cabinet size 15 x 7 x 8 inches. Price $75. NO. 513. COUNTERPHASE SIX Six tubes; 3 t. r. f. (01-A), detector (00-A), 2 transformer audio (01-A) and 12). Counterphase t. r. f. Two dials. Plate current: 32 mA. Volume control: rheostat on 2nd and 3rd r. f. Coils shielded. Battery cable. Cbattery connections. Antenna: 75 to 100 feet. Console size: 18| x 40J x 154. inches. Prices: Model 35, table, $110; Model 37, console, $175. NO. 514. COUNTERPHASE EIGHT Eight tubes; 4 t. r. f. (01-A) detector (00-A), 2 transformer audio (01-A and 12). Counterphase t. r. f. One dial. Plate current: 40 mA. Volume control: rheostat in 1st r. f. Copper stage shielding. Battery cable. C-battery connections. Antenna: 75 to 100 feet. Cabinet size: 30 x 124 x 16 inches. Prices: Model 12, table, $225; Model 16, console, $335; Model 18, console, $365. NO. 506. CROSLEY 601 BANDBOX Six tubes; 3 t. r. f., detector, 2 transformer audio. All 01-A tubes. Neutrodyne. One dial. Plate current: 40 MA. Volume control: rheostat in r. f. Shielded. Battery cable. C-battery connections. Antenna: 75 to 150 feet. Cabinet size: I7i x 54 x 7f. Price, $55. NO. 434. DAY-FAN 6 Six tubes; 3 t. r. f. (01-A), detector (01-A), 2 transformer audio (01-A and 12 or 71). One dial. Plate current: 12 to 15 mA. Volume control: rheostat on r. f. Shielded. Battery cable. C-battery connections. Output device. Antenna: 50 to 120 feet. Cabinet sizes:Daycraft 6, 32 x 30 x 34 inches; Day-Fan Jr., 15 x 7 x 7. Prices: Day-Fan 6, $110; Daycraft 6, $145 including loud speaker; Day-Fan Jr. not available. NO. 435. DAY-FAN 7 Seven tubes; 3 t.r.f. (01-A), detector (01-A), I resistance audio (01-A), 2 transformer audio (01-A and 12 or 71). Plate current : 15 mA. Antenna: outside. Same as No. 434. Price $115. NO. 503. FADA SPECIAL Six tubes; 3 t. r. f. (01-A), detector (01-A), 2 transformer audio (01-A and 71). Neutrodyne. Two drum control. Plate current: 20 to 24 MA. Volume control: rheostat on r. f. Coils shielded. Battery cable. C. -battery connections. Headphone connection. Antenna: outdoor. Cabinet size: 20 x 13i x 104 inches. Price $95. NO. 504. FADA 7 Seven tubes; 4 t. r. f. (01-A), detector (01-A), 2 transformer audio (01-A and 71). Neutrodyne. Two drum control. Plate current: 43, A. Volume control: rheostat on r. f. Completely shielded. Battery cable. C-battery connections. Headphone connections. Output device. Antenna: outdoor or loop. Cabinet sizes: table, 254. x l'Si x Hi inches; console, 29 ~ 50 x 17 inches. Prices: table, $185; console, $285. NO. 436. FEDERAL Five tubes; 2 t. r. f. (01-A), detector (01-A), 2 transformer audio (01-A and 12 or 71). Balanced t. r. f. One dial. Plate current: 20.7 mA. Volume control: rheostat on r. f. Shielded. Battery cable. C-battery connections. Antenna: loop. Made in 6 models. Price varies from $250 to $1000 including loop. NO. 505. FADA 8 Eight tubes. Same as No. 504 except for one extra stage of audio and different cabinet. Prices: table, $300; console, $400. NO. 437. FERGUSON 10A Seven tubes; 3 t. r. f. (01-A), detector (01-A), 3 audio (01-A and 12 or 71). One dial. Plate current: 18 to 25 mA. Volume control: rheostat on two r. f. Shielded. Battery cable. C-battery connections. Antenna: 100 feet. Cabinet size: 214. x 12 x 15 inches. Price $150. NO. 438. FERGUSON 14 Ten tubes; 3 untuned r. f„ 3 t. r. f. (01-A), detector (01-A), 3 audio (01-A and 12 or 71). Special balanced t. r. f. One dial. Plate current: 30 to35mA. Volume control: rheostat in three r. f. Shielded. Battery cable, Cbattery connections. Antenna: loop. Cabinet size: 24 x 12 x 16 inches. Price $235, including loop. NO. 439. FERGUSON 12 Six tubes; 2 t. r. f. (01-A), detector (01-A), 1 transformer audio (01-A), 2 resistance audio (01-A and 12 or 71). Two dials. Plate current: 18 to 25mA. Volume control; rheostat on two r. f. Partially shielded. Battery cable. C-battery connections. Antenna: 100 feet. Cabinet size: 224. x 10 x 12 inches. Price $85. Consolette $145 including loud speaker. NO. 440. FREED-EISEMANN NR-8 NR-9, AND NR-66 Six tubes: 3 t. r. f. (01-A), detector (01-A), 2 transformer audio (01-A and 71). Neutrodyne. NR-8, two dials; others one dial. Plate current: 30 mA. Volume control: rheostat on r. f. NR-8 and 9: chassis type shielding. NR-66. individual stage shielding. Battery cable. C-battery connections. Antenna: 100 feet. Cabinet sizes: NR-8 and 9, 19J x 10 x 10', inches; NR-66 20 x 10! x 12 inches. Prices: NR-8, $90; NR-9, $100; NR-66, $125. NO. 501. KING "CHEVALIER" Six tubes. Same as No. 500. Coils completely shielded. Panel size: 11 x 7 inches. Price, $210 including loud speaker. NO. 441. FREED-EISEMANN NR-77 Seven tubes; 4 t. r. f. (01-A), detector (01-A), 2 transformer audio (01-A and 71). Neutrodyne. One dial. Plate current: 35mA. Volume control: rheostat on r. f. Shielding. Battery cable. C-battery connections. Antenna: outside or loop. Cabinet size: 23 x 104 x 13 inches. Price $175. NO. 442. FREED-EISEMANN 800 AND 850 Eight tubes; 4 t. r. f. (01-A), detector (01-A), 1 transformer (01-A), 1 parallel audio (01-A or 71). Neutrodyne. One dial. Plate current: 35 mA. Volume' control : rheostat on r. f. Shielded. Battery cable. C-battery connections. Output: two tubes in parallel or one power tube may be used. Antenna: outside or loop. Cabinet sizes: No. 800, 34 x 15! x 134, inches; No. 850, 36 x 65 x 17|. Prices not available. NO. 444. GREBE MU-1 Five tubes; 2 t. r. f. (01-A), detector (01-A), 2 transformer audio (01-A and 12 or 71). Balanced t. r. f. One, two, or three dials (operate singly or together). Plate current: 30mA. Volume control: rheostat on r. f. Binocular coils. Binding posts. C-battery connections. Antenna: 125 feet. Cabinet size: 224 x 9j x 13 inches. Prices range from $95 to $320. NO. 426. HOMER Seven tubes; 4 t. r. f. (01-A); detector (01-A or 00A); 2 audio (01-A and 12 or 71). One knob tuning control. Volume control: rotor control in antenna circuit. Plate current: 22 to 25mA. "Technidyne" circuit. Completely enclosed in aluminum box. Battery cable. C-battery connections. Cabinet size, 8? x 194. x 9j inches. Chassis size, 6| x 17x8 inches. Prices: Chassis only, $80. Table cabinet. $95. NO. 502. KENNEDY ROYAL 7. CONSOLETTE Seven tubes; 4 t. r. f. (01-A), detector (00-A), 2 transformer audio (01-A and 71). One dial. Plate current: 42mA. Volume control: rheostat on two r. f. Special r. f. coils. Battery cable. C-battery connections. Headphone connection. Antenna: outside or loop. Consolette size: 364. x 354 x 19 inches. Price $220. NO. 498. KING "CRUSADER" Six tubes; 2 t. r. f. (01-A), detector (00-A), 3 transformer audio (01-A and 71). Balanced t. r. f. One dial. Plate current: 20 mA. Volume control: rheostat on r. f. Coils shielded. Battery cable. C-battery connections. Antenna: outside. Panel: 11x7 inches. Price, $115. NO. 499. KING "COMMANDER" Six tubes; 3 t. r. f. (01-A), detector (00-A), 2 transformer audio (01-A and 71). Balanced t. r. f. One dial. Plate current: 25mA. Volume control: rheostat on r. f. Completely shielded. Battery cable. C-battery connections. Antenna: loop. Panel size: 12 x 8 inches. Price $220 including loop. NO. 429. KING COLE VII AND VIII Seven tubes; 3 t. r. f., detector, 1 resistance audio, 2 transformer audio All 01-A tubes. Model VIII has one more stage t. r. f. (eight tubes). Model VII, two dials. Model VIII, one dial. Plate current: 15 to 50 mA. Volume control: primary shunt in r. f. Steel shielding. Battery cable and binding posts. C-battery connections. Output devices on some consoles. Antenna: 10 to 100 feet. Cabinet size: varies. Prices: Model VII, $80 to $160; Model VIII, $100 to $300 NO. 500. KING "BARONET" AND "VIKING" Six tubes; 2 t. r. f. (01-A), detector (00-A), 3 transformer audio (01-A and 71). Balanced t. r. f. One dial. Plate current: 19mA. Volume control: rheostat in r. f. Battery cable. C-battery connections. Antenna: outside. Panel size: 18 x 7 inches. Prices: "Baronet," $70; "Viking," $140 including loud speaker. NO. 489. MOHAWK Six tubes; 2 t. r. f. (01-A), detector (00-A), 3 audio (01-A and 71). One dial. Plate current: 40mA. Volume control: rheostat on r. f. Battery cable. C-battery connections. Output device. Antenna: 60 feet. Panel size: 124. x 8f inches. Prices range from $65 to $245. NO. 547. ATWATER KENT, MODEL 33 Six tubes; 3 t. r. f. (01-A), detector (01-A), 2 audio (01-A and 71 or 12). One dial. Volume control: r. f. filament rheostat. C-battery connections. Battery cable. Antenna: 100 feet. Steel panel. Cabinet size: 21 J x 6% C{ inches. Price: $75, without accessories. NO. 544. ATWATER KENT, MODEL 50 Seven tubes; 4 t. r. f. (01-A), detector (01-A), 2 audio (01-A and 12 or 71). Volume control: r. f. filament rheostat. C-battery connections. Battery cable. Special bandpass . filter circuit with an untuned amplifier. Cabinet size: 20} x 13 x 7} inches. Price: $120. NO. 452. ORIOLE 90 Five tubes: 2 t. r. f„ detector, 2 transformer audio. All 01-A tubes. "Trinum" circuit. Two dials. Plate current: 18mA. Volume control: rheostat on r. f. Battery cable. C-battery connections. Antenna: 50 to 100 feet. Cabinet size: 254 x 114 x 124 inches. Price $85. Another model has 8 tubes, one dial, and is shielded. Price, $185. NO. 453. PARAGON Six tubes; 2 t. r. f. (01-A), detector (01-A), 3 double impedance audio (01-A and 71). One dial. Plate current: 40 mA. Volume control: resistance in r. f. plate. Shielded. Battery cable. C-battery connections. Output device. Antenna: 100 feet. Console size: 20 x 45 x 17 inches. Price not determined. NO. 543 RAD I OLA 20 Fve tubes; 2 t. r. f. (99), detector (99), two transformer audio (99 and 20). Regenerative detector. Two drum controls. C-battery connections. Battery cable. Antenna: 100 feet. Price: $78 without accessories. NO. 480. PFANSTIEHL 30 AND 302 Six tubes; 3 t. r. f. (01-A), detector (01-2A), transformer audio (01-A and 71). One dial. Plate current: 23 to 32 MA. Volume control: resistance in r. f. plate. Shielded. Battery cable. C-battery connections. Antenna: outside. Panel size: 17? x 84. inches. Prices: No. 30 cabinet, $105; No. 302 console, $185 including loud speaker. NO. 515. BROWNING-DRAKE 7-A Seven tubes; 2 t. r. f. (01-A), detector (00-A), 3 audio (Hmu, two 01-A, and 71). Illuminated drum control. Volume control: rheostat on 1st r. f. Shielded. Neutralized. C-battery connections. Battery Cable. Metal panel. Output device. Antenna: 50-75 feet. Cabinet, 30 x 11 x 9 inches. Price, $145. NO. 516. BROWNING-DRAKE 6-A Six tubes; 1 t. r. f. (99), detector (00-A), 3 audio (Hmu, two 01-A and 71). Drum control with auxiliary adjustment. Volume control: rheostat on r. f. Regenerative detector. Shielded. Neutralized. C-battery connections. Battery cable. Antenna: 50-100 feet. Cabinet, 25 x 11 x 9. Price $105. NO. 518. KELLOGG "WAVE MASTER," 504, 505, and 506. Five tubes; 2 t. r. f., detector, 2 transformer audio. One control and special zone switch. Volume control: rheostat on r. f. C-battery connections. Binding posts. Plate current: 25 to 35 mA. Antenna: 100 feet. Panel: 74. x 254 inches. Prices: Model 504, table, $75, less accessories. Model 505, table, $125 with loud speaker. Model 506, consolette, $135 with loud speaker. NO. 519. KELLOGG, 507 AND 508 Six rubes, 3 t. r. f., detector, 2 transformer audio. One control and special zone switch. Volume control: rheo-. stat on r. f. C-battery connections. Balanced. Shielded. Binding posts and battery cable. Antenna: 70 feet. Cabinet size: Model 507, table, 30 x 13i x 14 inches. Model 508, console. 34 x 18 x 54 inches. Prices: Model 507, $190 less accessories. Model 508, $320 with loud speaker. NO. 427. MURDOCK 7 Seven tubes; 3 t. r. f. (01-A), detector (01-A), 1 transformer and 2 resistance audio (two 01-A and 12 or 71). One control. Volume control: rheostat on r. f. Coils shielded. Neutralized. Battery cable. C-battery connections. Complete metal case. Antenna: 100 feet. Panel size : 9 x 23 inches. Price, not available. NO. 520. BOSCH 57 Seven tubes; 4 t. r. f. (01-A), detector (01-A), 2 audio (01-A and 71). One control calibrated in kc. Volume control: rheostat on r. f. Shielded. Battery cable. Cbattery connections. Balanced. Output device. Built-in loud speaker. Antenna: built-in loop or outside antenna, 100 feet. Cabinet size: 46 x 16 x 30 inches. Price: $340 including enclosed loop and loud speaker. NO. 521. BOSCH "CRUISER," 66 AND 76 Six tubes; 3 t. r. f. (01-A), detector (01-A), 2 audio (01-A and 71). One control. Volume control: rheostat on r. f. Shielded. C-battery connections. Balanced. Battery cable. Antenna: 20 to 100 feet. Prices: Model 66, table, $99.50. Model 76, console, $175; with loud speaker $195. NO. 524. CASE, 61 A AND 61 C T. r. f. Semi-shielded. Battery cable. Drum control. Volume control: variable high resistance in audio system. Plate current: 35mA. Antenna: 100 feet. Prices: Model 61A, $85; Model 61 C, console, $135. NO. 525. CASE, 90 A AND 90 C Drum control. Inductive volume control. Technidyne circuit. C-battery connections. Battery cable. Loop operated. Model 90-C equipped with output device. Prices: Model 90 A, table, $225; Model 90 C, console, $350. NO. 526. ARBORPHONE 25 Six tubes; 3 t. r. f. (01-A), detector (01-A), 2 audio (01-A and 71). One control. Volume control: rheostat. Shielded. Battery cable. Output device. C-battery connections. Loftin-White circuit. Antenna: 75 feet. Panel: 7i x 15 inches, metal. Prices: Model 25, table, $125; Model 252, $185; Model 253, $250; Model 255, combination phonograph and radio, $600. NO. 527. ARBORPHONE 27 Five tubes; 2 t. r. f. (01-A), detector (01-A), 2 audio (01-A). Two controls. Volume control: rheostat. Cbattery connections. Binding posts. Antenna: 75 feet. Prices: Model 27, $65; Model 271, $99.50; Model 272, $125. NO. 528. THE "CHIEF" Seven tubes; six 01-A tubes and one power tube. One control. Volume control: rheostat. C-battery connection. Partial shielding. Binding posts. Antenna: outside. Cabinet size: 40 x 22 x 16 inches. Prices: Complete with A power supply, $250; without accessories, $150. NO. 529. DIAMOND SPECIAL, SUPER SPECIAL, AND BABY GRAND CONSOLE Six tubes; all 01-A type. One control. Partial shielding. C-battery connections. Volume control: rheostat. Binding posts. Antenna: outdoor. Prices: Diamond Special, $75; Super Special, $65; Baby Grand Console. $110.