{"id":15590,"date":"2026-05-08T02:28:19","date_gmt":"2026-05-08T00:28:19","guid":{"rendered":"https:\/\/studio-dealers.com\/?post_type=product&#038;p=15590"},"modified":"2026-08-24T03:41:19","modified_gmt":"2026-08-24T01:41:19","slug":"thermionic-culture-earlybird-4","status":"publish","type":"product","link":"https:\/\/studio-dealers.com\/en\/produit\/thermionic-culture-earlybird-4\/","title":{"rendered":"Thermionic Culture Earlybird 4"},"content":{"rendered":"<p data-path-to-node=\"3\">L&#8217;<b data-path-to-node=\"3\" data-index-in-node=\"2\">Earlybird 4<\/b> est un pr\u00e9amplificateur microphone \u00e0 lampes quatre canaux d&#8217;une qualit\u00e9 exceptionnelle, con\u00e7u selon une architecture sym\u00e9trique push-pull en <b data-path-to-node=\"3\" data-index-in-node=\"155\">Classe A<\/b>. Ce circuit unique, d\u00e9pourvu de tout composant \u00e0 l&#8217;\u00e9tat solide sur le trajet du signal, offre le gain le plus naturel et le plus transparent possible. Initialement con\u00e7u en 1999, ce mod\u00e8le a fait l&#8217;objet d&#8217;une \u00e9dition limit\u00e9e &#8220;Revival&#8221; rouge (49 exemplaires), tout en restant disponible dans sa version noire classique avec une \u00e9lectronique mise \u00e0 jour.<\/p>\n<p data-path-to-node=\"4\">Chaque canal de l&#8217;Earlybird 4 est assembl\u00e9 int\u00e9gralement \u00e0 la main avec un <b data-path-to-node=\"4\" data-index-in-node=\"75\">c\u00e2blage point-\u00e0-point<\/b>, \u00e9liminant les d\u00e9gradations de performance li\u00e9es aux circuits imprim\u00e9s. Les transformateurs d&#8217;entr\u00e9e et de sortie, d\u00e9velopp\u00e9s sp\u00e9cifiquement avec <b data-path-to-node=\"4\" data-index-in-node=\"243\">Sowter<\/b>, garantissent une r\u00e9serve de puissance (<b data-path-to-node=\"4\" data-index-in-node=\"290\">headroom<\/b>) massive de <b data-path-to-node=\"4\" data-index-in-node=\"311\">+34 dBu<\/b> et un d\u00e9phasage quasi inexistant. La topologie du circuit permet d&#8217;atteindre des taux de distorsion harmonique incroyablement bas (<span class=\"math-inline\" data-math=\"0,0035\\%\" data-index-in-node=\"450\">$0,0035\\%$<\/span> \u00e0 <b data-path-to-node=\"4\" data-index-in-node=\"461\">40 dB<\/b> de gain), offrant une restitution sonore que Vic Keary d\u00e9finit comme &#8220;le pr\u00e9ampli le plus r\u00e9el jamais con\u00e7u&#8221;.<\/p>\n<p data-path-to-node=\"5\">En termes de contr\u00f4le, l&#8217;appareil propose une flexibilit\u00e9 totale : un gain commut\u00e9 de <b data-path-to-node=\"5\" data-index-in-node=\"86\">40 dB<\/b> \u00e0 <b data-path-to-node=\"5\" data-index-in-node=\"94\">60 dB<\/b> (par paliers de <b data-path-to-node=\"5\" data-index-in-node=\"116\">5 dB<\/b>), une imp\u00e9dance d&#8217;entr\u00e9e commutable (<b data-path-to-node=\"5\" data-index-in-node=\"158\">300 <span class=\"math-inline\" data-math=\"\\Omega\" data-index-in-node=\"162\">$\\Omega$<\/span><\/b> ou <b data-path-to-node=\"5\" data-index-in-node=\"172\">1200 <span class=\"math-inline\" data-math=\"\\Omega\" data-index-in-node=\"177\">$\\Omega$<\/span><\/b>) pour un couplage parfait avec tout type de micro (ruban, statique ou dynamique), et un filtre coupe-bas \u00e0 deux positions (<b data-path-to-node=\"5\" data-index-in-node=\"307\">50 Hz<\/b> et <b data-path-to-node=\"5\" data-index-in-node=\"316\">100 Hz<\/b>). La face avant dispose de deux vum\u00e8tres de pr\u00e9cision assignables aux diff\u00e9rents canaux et de quatre LEDs de cr\u00eate pour surveiller les niveaux de sortie. Un potentiom\u00e8tre d&#8217;<b data-path-to-node=\"5\" data-index-in-node=\"496\">Output Trim<\/b> permet d&#8217;ajuster finement le niveau final ou de r\u00e9duire le signal pour attaquer des syst\u00e8mes \u00e0 <b data-path-to-node=\"5\" data-index-in-node=\"603\">-10 dBV<\/b>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pr\u00e9ampli micro \u00e0 lampes 4 canaux, Classe A push-pull et c\u00e2blage point-\u00e0-point.<\/p>\n","protected":false},"featured_media":15529,"template":"","meta":{"_acf_changed":false},"product_brand":[165],"product_cat":[217,219],"product_tag":[],"class_list":["post-15590","product","type-product","status-publish","has-post-thumbnail","product_brand-thermionic-culture","product_cat-peripheriques-racks","product_cat-preamplis-multi-canaux","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/studio-dealers.com\/en\/wp-json\/wp\/v2\/product\/15590","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/studio-dealers.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/studio-dealers.com\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/studio-dealers.com\/en\/wp-json\/wp\/v2\/product\/15590\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/studio-dealers.com\/en\/wp-json\/wp\/v2\/media\/15529"}],"wp:attachment":[{"href":"https:\/\/studio-dealers.com\/en\/wp-json\/wp\/v2\/media?parent=15590"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/studio-dealers.com\/en\/wp-json\/wp\/v2\/product_brand?post=15590"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/studio-dealers.com\/en\/wp-json\/wp\/v2\/product_cat?post=15590"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/studio-dealers.com\/en\/wp-json\/wp\/v2\/product_tag?post=15590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}