File:Amplificatore a valvole - Museo scienza tecnologia Milano 10597 01.jpg

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amplificatore a valvole   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Title
amplificatore a valvole
Description
Italiano: L'amplificatore a valvole è sistemato all'interno di un mobiletto in legno, provvisto di un'anta apribile dotata di grata in metallo. All'interno del mobile si trova il circuito elettrico formatodall'amplificatore a cinque valvole, due bobine elettromagnetiche e due scaricatori di sicurezza a 3000 volt. All'esterno del mobile, sul lato destro si trovano un supporto bipolare per il collegamento all'altoparlante e la presa a terra; in corrispondenza delle uscite sono collocati dei cartoncini iscritti, ricoperti da una pellicola di celluloide. Sul lato sinistro si trovano tre coppie di fori, di cui una circondata da una piastrina in legno, simili a supporti bipolari.
Funzione
Amplificazione del segnale acustico nei sistemi di riproduzione del suono
Date between 1900 and 1949
date QS:P571,+1950-00-00T00:00:00Z/7,P1319,+1900-00-00T00:00:00Z/9,P1326,+1949-00-00T00:00:00Z/9
Medium ebanite
Dimensions height: 325 cm (10.6 ft); width: 56 cm (22 in)
dimensions QS:P2048,325U174728
dimensions QS:P2049,56U174728
institution QS:P195,Q947082
Accession number
10597
Source/Photographer Catalogo collezioni (in it). Museoscienza.org. Museo nazionale della scienza e della tecnologia Leonardo da Vinci, Milano.
Permission
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current12:01, 21 May 2016Thumbnail for version as of 12:01, 21 May 20161,280 × 853 (848 KB)Federico Leva (WMIT) (talk | contribs){{ICCD TRC | institution = {{institution:Museoscienza}} | permission = {{cc-by-sa-4.0}} | RSR1 = Brenni, Paolo | CTP = Industria, manifattura, artigianato | CMPD = 2008 | INV1N = 10597 | CTC = riproduzione del suono | UTF = Amplificazione del segn...

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