SHARP, January 1978 GF-303ST, GF-303SB - boomboxes

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SHARP GF-303 The Searcher January 1978 - cover / シャープ カタログ 昭和53年1月 表紙

シャープ カタログ・昭和53年1月

Brochure for the SHARP GF-303ST and GF-303SB boomboxes, marketed as “THE SEARCHER 303” at 69,500 yen, January 1978. One page runs through usage scenarios - parties, cars, outdoors - all under the “11W Sound Play” headline. A feature page breaks down three selling points: the OTL-GTL300 amplifier circuit (11W), APSS one-touch track search, and Multi-Mic Mixing for singing along with several microphones at once. The center spread shows the unit full-width against a black background. The back page covers the smaller Searcher 7000 siblings, a connection diagram, and full specifications.

ModelTypePrice
SHARP GF-303STboombox¥69,500
SHARP GF-303SBboombox¥69,500
Technical termsTranslation
APSS（オートマチック・プログラム・サーチ・システム）APSS (automatic program search system; one-touch search for a recording on the cassette)
OTL-GTL300回路OTL-GTL300 circuit (power amplifier without an output transformer)
マルチマイクミキシングmulti-mic mixing (connecting several microphones at once)
2ウェイスピーカー（20cmウーファー＋スーパーツイーター）2-way speaker (20 cm woofer + super tweeter)
PLL FM-MPXステレオPLL FM-MPX stereo (FM tuner with PLL synthesizer and MPX decoder)
Marketing termsTranslation
シャープは生活に個性を求めますSHARP seeks individuality in life
多彩なバリエーションを演ずるパワフルマシーン。A powerful machine performing a wide variety of variations.
大出力11W・マルチマイクミキシング・APSS(一発選曲)Large output 11W・multi-mic mixing・APSS (one-shot song selection)
昭和53年1月（1978 January）1.1S

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