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.RADIO BROADCAST ADVERTISER.
McMURDO SILVER
The SILVER RADIO chassis and speaker ahove is made complete in the new home of Silver-Marshall pictured below — the third largest exclusive radio plant in the Chicago area. The eight-tube Model 30 chassis (as furnished in Model 60 Lowboy and Model 95 Highboy) contains thefully shielded, nonoscillating Screen-Grid r. f. amplifier, with band selector, Screen-Grid power detector, push-pull power amplifier and A, B, C, and Speaker power supply. It is a marvel of mechanical and electrical engineering. In all comparative tests so far, no other radio has been found which can even equal ils performance.
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And now, at last, comes Silver-Marshall's entry into the complete RCA — licensed radio receiver field with SILVER Radio— the most sensational development since a.c. tubes revolutionized radio.
1929 is a Screen-Grid year. Its pace will be set by the new type radio that is SILVER RADIO — so original and so advanced technically as to be utterly different from any other manufactured receiver. For SILVER RADIO comes from a designer, a laboratory, and a factory that have mastered Screen-Grid technique — and proved it by chalking up unbroken records with the Sargent-Rayment Seven, and the famous Screen-Grid Sixes.
Silver Radio is nothing if not new. It is first to eliminate all antenna installation. It is first to use three 224 a.c. Screen-Grid tubes as r.f. amplifiers with band-selector tuning, followed by a fourth Screen-Grid tube in the newest type of power detector circuit. Silver Radio is first to use a pair of 245 power tubes in push-pull; first to use a matchedimpedance dynamic speaker. And SILVER RADIO is first also with a startling development — the Overtone Switch, which brings out all the beauty of ordinarily-lost high notes as does no other radio — yet cuts them out at will to reduce static in bad weather. And prices — SILVER RADIO is first with prices so low that they actually make you gasp, even though they are made possible by tremendous production.
SILVER MARSHALL, Incorporated
"Silver on Radio is like
june, 1929
pago 58 •