Matches in DBpedia 2016-04 for { ?s ?p "The 7199 is a vacuum tube, combining a pentode and triode. Typically, the pentode was used for the input stage, and the triode as a phase inverter. The tube was used in a number of American guitar amplifiers; the Gibson Guitar Corporation, for instance, used the 7199 in 1961's Falcon for the reverb circuit. Ampeg also used the 7199 extensively. The 7199 has been out of production for a considerable time, and as a result is becoming increasingly rare on the market."@en }
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- 7199 comment "The 7199 is a vacuum tube, combining a pentode and triode. Typically, the pentode was used for the input stage, and the triode as a phase inverter. The tube was used in a number of American guitar amplifiers; the Gibson Guitar Corporation, for instance, used the 7199 in 1961's Falcon for the reverb circuit. Ampeg also used the 7199 extensively. The 7199 has been out of production for a considerable time, and as a result is becoming increasingly rare on the market.".
- Q16001174 comment "The 7199 is a vacuum tube, combining a pentode and triode. Typically, the pentode was used for the input stage, and the triode as a phase inverter. The tube was used in a number of American guitar amplifiers; the Gibson Guitar Corporation, for instance, used the 7199 in 1961's Falcon for the reverb circuit. Ampeg also used the 7199 extensively. The 7199 has been out of production for a considerable time, and as a result is becoming increasingly rare on the market.".