{"id":56510,"date":"2016-12-28T15:36:58","date_gmt":"2016-12-28T14:36:58","guid":{"rendered":"http:\/\/www.accusticarts.de\/wordpress\/?page_id=56510\/"},"modified":"2022-07-10T16:19:47","modified_gmt":"2022-07-10T14:19:47","slug":"tube-preamp-iii","status":"publish","type":"page","link":"https:\/\/www.accusticarts.de\/en\/products\/tube-preamp-iii\/","title":{"rendered":"TUBE PREAMP III"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row row_height_percent=&#8221;0&#8243; back_color=&#8221;color-163162&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; shift_y=&#8221;0&#8243;][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; border_color=&#8221;accent&#8221; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; width=&#8221;1\/1&#8243;][uncode_slider slider_type=&#8221;fade&#8221; slider_interval=&#8221;15000&#8243; slider_navspeed=&#8221;0&#8243; slider_loop=&#8221;yes&#8221;][vc_row_inner][vc_column_inner width=&#8221;1\/1&#8243;][vc_single_image media=&#8221;59340&#8243; media_width_percent=&#8221;75&#8243; alignment=&#8221;center&#8221;][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=&#8221;1\/1&#8243;][vc_single_image media=&#8221;59338&#8243; media_width_percent=&#8221;75&#8243; alignment=&#8221;center&#8221;][\/vc_column_inner][\/vc_row_inner][\/uncode_slider][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/1&#8243;][vc_gallery el_id=&#8221;gallery-456416&#8243; medias=&#8221;59402,59404,59406,59408,59410&#8243; gutter_size=&#8221;0&#8243; screen_lg=&#8221;1000&#8243; screen_md=&#8221;600&#8243; screen_sm=&#8221;480&#8243; single_overlay_opacity=&#8221;50&#8243; single_h_align=&#8221;center&#8221; single_padding=&#8221;0&#8243; single_text_reduced=&#8221;yes&#8221; single_icon=&#8221;fa fa-zoom-in&#8221; uncode_shortcode_id=&#8221;177217&#8243;][\/vc_column][\/vc_row][vc_row row_height_percent=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243;][vc_column width=&#8221;1\/1&#8243;][vc_custom_heading heading_semantic=&#8221;h1&#8243; text_size=&#8221;h1&#8243; sub_reduced=&#8221;yes&#8221;]ACCUSTIC ARTS\u00ae TUBE PREAMP III \u2013 Audiophile fully balanced reference preamplifier[\/vc_custom_heading][\/vc_column][\/vc_row][vc_row row_height_percent=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;4&#8243; shift_y=&#8221;0&#8243;][vc_column width=&#8221;1\/1&#8243;][vc_column_text uncode_shortcode_id=&#8221;235503&#8243;]<\/p>\n<h4>TUBE PREAMP III highlights<\/h4>\n<ul>\n<li>Audiophile reference preamplifier with a so called \u201ctube hybrid\u201d concept and 4 reference tubes (2 tubes per channel)<\/li>\n<li>Fully balanced circuit design from input to output<\/li>\n<li>Advantages of this \u201ctube hybrid\u201d technology:<br \/>\n\u2013 very high bandwidth<br \/>\n&#8211; very low distortion factors and a \u201cgood-natured\u201d distortion spectrum<br \/>\n&#8211; \u201canalog\u201d and very precise sound performance<br \/>\n&#8211; 4 separated amplification paths, which are not influencing each other<\/li>\n<li>Easy change of tubes without any adjustments just \u201cplug and play\u201d<\/li>\n<li>Fully balanced circuit design from input to output<\/li>\n<li>High end Class A output stage<\/li>\n<li>New with color high resolution display<\/li>\n<li>All used components are of outstanding quality (e.g. Burr Brown\u00ae OPA 627) and additionally selected; all relays have high quality gold-plated contacts<\/li>\n<li>New 4-channel digital volume control for best crosstalk<\/li>\n<li>All relays have high quality gold-plated contacts<\/li>\n<li>3 x fully balanced high level inputs (XLR) and 2 x unbalanced high level inputs (RCA)  <\/li>\n<li>1 x unbalanced input (RCA) configured as \u201cSURROUND-BYPASS\u201d <\/li>\n<li>2 x fully balanced outputs (XLR) \u2013 1 x AC coupled, 1 x DC coupled <\/li>\n<li>2 x unbalanced outputs (RCA) \u2013 1 x AC coupled, 1 x DC coupled <\/li>\n<li>1 x headphone output, switchable (1\/4\u2033 stereo female jack)<\/li>\n<li>2 x unregulated, switchable output for the connection of an external headphone amplifier (1 x RCA\/ Chinch), 1 x (XLR) Phase switch for 0\u00b0 and 180\u00b0  <\/li>\n<li>2 magnetically shielded, encapsulated 50 VA toroidal core transformer (\u201eMade in Germany\u201c) of premium quality for high output reserves<\/li>\n<li>Front panel, cover are made of massive and solid aluminium; turning knobs are made of massive and chromed brass<\/li>\n<li>ACCUSTIC ARTS\u00ae TUBE PREAMP III is \u201cHandmade in Germany\u201d<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/1&#8243;][vc_separator sep_color=&#8221;color-gyho&#8221; type=&#8221;double&#8221;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/1&#8243;][vc_custom_heading heading_semantic=&#8221;h4&#8243; text_size=&#8221;h4&#8243;]<\/p>\n<h4>Specifications<\/h4>\n<p>[\/vc_custom_heading][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text]<strong>Inputs:<\/strong><br \/>\n3 x fully balanced high level inputs (XLR)<br \/>\n2 x Hochpegel, unsym. (RCA\/Cinch)<br \/>\n1 x unbalanced high level input or surround bypass (RCA\/Cinch) <\/p>\n<p><strong>Outputs:<\/strong><br \/>\n2 x fully balanced line-out (XLR)<br \/>\n2 x unbalanced line-out (RCA)<br \/>\n1 x unbalanced fixed out (RCA\/Chinch)<br \/>\n1 x unbalanced out (XLR)<br \/>\n1 x headphone output (1\/4&#8243; stereo female jack)<\/p>\n<p><strong>Frequency response:<\/strong><br \/>\nDC \u2013 50 kHz (+0 dB \/ -0.5 dB)<br \/>\nDC \u2013 120 kHz (+0 dB \/ -1.5 dB)<\/p>\n<p><strong>Signal difference left\/right:<\/strong><br \/>\n&lt; 0.2 dB (from 0 dB to -60 dB)<\/p>\n<p><strong>Crosstalk attenuation L \u2194 R:<\/strong><br \/>\n&gt; 97 dB<\/p>\n<p><strong>Input resistance:<\/strong><br \/>\nbalanced: 2 x 50 k\u2126<br \/>\nunbalanced: 50 k\u2126<\/p>\n<p><strong>Output resistance:<\/strong><br \/>\nbalanced: 2 x 50 \u2126<br \/>\nunbalanced: 50 \u2126<br \/>\nAC coupled with 3.3 \u00b5F[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text uncode_shortcode_id=&#8221;205173&#8243;]<strong>Max. output voltage: <\/strong><br \/>\n15 Veff<\/p>\n<p><strong>Signal-to-noise-ratio:<\/strong><br \/>\n-95 dB (unweighted)<br \/>\n-103 dB (A-weighted)<\/p>\n<p><strong>Distortion (THD+N):<\/strong><br \/>\n&lt;0,002%<\/p>\n<p><strong>Power consumption:<\/strong><br \/>\napprox. 25 watts (unit totally on)<br \/>\n&lt;0.5 watts (stand-by)<\/p>\n<p><strong>Dimensions (H x W x D):<\/strong><br \/>\n128 x 482 x 393 mm \/ 5.0 x 19 x 15.5 inches<\/p>\n<p><strong>Weight:<\/strong><br \/>\n16.0 kg \/ 35.3 lbs.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row row_height_percent=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243;][vc_column width=&#8221;1\/2&#8243;][vc_button button_color=&#8221;color-prif&#8221; shadow=&#8221;yes&#8221; border_width=&#8221;0&#8243; link=&#8221;url:https%3A%2F%2Fwww.accusticarts.de%2Fwp-content%2Fuploads%2FDatenblatt_TUBE-PREAMP-III.pdf|target:_blank|&#8221; button_color_type=&#8221;uncode-palette&#8221; uncode_shortcode_id=&#8221;830617&#8243;]Brochure[\/vc_button][\/vc_column][vc_column width=&#8221;1\/2&#8243;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/1&#8243;][vc_empty_space empty_h=&#8221;3&#8243;][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row row_height_percent=&#8221;0&#8243; back_color=&#8221;color-163162&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; shift_y=&#8221;0&#8243;][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; border_color=&#8221;accent&#8221; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; width=&#8221;1\/1&#8243;][uncode_slider slider_type=&#8221;fade&#8221; slider_interval=&#8221;15000&#8243; slider_navspeed=&#8221;0&#8243; slider_loop=&#8221;yes&#8221;][vc_row_inner][vc_column_inner width=&#8221;1\/1&#8243;][vc_single_image [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":56370,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_improvement_type_select":"improve_an_existing","_thumb_yes_seoaic":false,"_frame_yes_seoaic":false,"seoaic_generate_description":"","seoaic_improve_instructions_prompt":"","seoaic_rollback_content_improvement":"","seoaic_idea_thumbnail_generator":"","thumbnail_generated":false,"thumbnail_generate_prompt":"","seoaic_article_description":"","footnotes":""},"class_list":["post-56510","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - 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