No products in the cart.

Need help? Call us 713-471-5408

Sylvania 6550

Name: Sylvania 6550
SKU: 33-2793
Price: 225.00 USD
Availability: InStock

SKU: 33-2793 Category: 6550 Tag: Power tubes Brands: Sylvania / Phillips.

$225.00

Checkout

Add to Wishlist

Description
Reviews (0)

Description

NOS Sylvania 6550 Metal Base $299.99 per tube! Over 60 pcs In Stock! Extremely tight matching! Extremely rare! Best sounding next to Tung Sol,,,extremely open, lively, and dynamic! Amazing highs and very tight bass response! Order now. All pieces matched within 1-3 mA!

Reviews

There are no reviews yet.

Be the first to review “Sylvania 6550”

You must be logged in to post a review.

All prices are per tube

Amperex 4-400A 8438

4-400a=8438 2 in stock Branded as Amperex or Eimac

$449.99

Details

Add to cart

img.wp-smiley,img.emoji{display:inline !important;border:none !important;box-shadow:none !important;height:1em !important;width:1em !important;margin:0 .07em !important;vertical-align:-.1em !important;background:none !important;padding:0 !important;}.wishlist_table .add_to_cart,a.add_to_wishlist.button.alt{border-radius:16px;-moz-border-radius:16px;-webkit-border-radius:16px;}.wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em;}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none;}body{--wp--preset--color--black:#000;--wp--preset--color--cyan-bluish-gray:#abb8c3;--wp--preset--color--white:#fff;--wp--preset--color--pale-pink:#f78da7;--wp--preset--color--vivid-red:#cf2e2e;--wp--preset--color--luminous-vivid-orange:#ff6900;--wp--preset--color--luminous-vivid-amber:#fcb900;--wp--preset--color--light-green-cyan:#7bdcb5;--wp--preset--color--vivid-green-cyan:#00d084;--wp--preset--color--pale-cyan-blue:#8ed1fc;--wp--preset--color--vivid-cyan-blue:#0693e3;--wp--preset--color--vivid-purple:#9b51e0;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple:linear-gradient(135deg,rgba(6,147,227,1) 0%,#9b51e0 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan:linear-gradient(135deg,#7adcb4 0%,#00d082 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange:linear-gradient(135deg,rgba(252,185,0,1) 0%,rgba(255,105,0,1) 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red:linear-gradient(135deg,rgba(255,105,0,1) 0%,#cf2e2e 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray:linear-gradient(135deg,#eee 0%,#a9b8c3 100%);--wp--preset--gradient--cool-to-warm-spectrum:linear-gradient(135deg,#4aeadc 0%,#9778d1 20%,#cf2aba 40%,#ee2c82 60%,#fb6962 80%,#fef84c 100%);--wp--preset--gradient--blush-light-purple:linear-gradient(135deg,#ffceec 0%,#9896f0 100%);--wp--preset--gradient--blush-bordeaux:linear-gradient(135deg,#fecda5 0%,#fe2d2d 50%,#6b003e 100%);--wp--preset--gradient--luminous-dusk:linear-gradient(135deg,#ffcb70 0%,#c751c0 50%,#4158d0 100%);--wp--preset--gradient--pale-ocean:linear-gradient(135deg,#fff5cb 0%,#b6e3d4 50%,#33a7b5 100%);--wp--preset--gradient--electric-grass:linear-gradient(135deg,#caf880 0%,#71ce7e 100%);--wp--preset--gradient--midnight:linear-gradient(135deg,#020381 0%,#2874fc 100%);--wp--preset--font-size--small:13px;--wp--preset--font-size--medium:20px;--wp--preset--font-size--large:36px;--wp--preset--font-size--x-large:42px;--wp--preset--spacing--20:.44rem;--wp--preset--spacing--30:.67rem;--wp--preset--spacing--40:1rem;--wp--preset--spacing--50:1.5rem;--wp--preset--spacing--60:2.25rem;--wp--preset--spacing--70:3.38rem;--wp--preset--spacing--80:5.06rem;--wp--preset--shadow--natural:6px 6px 9px rgba(0,0,0,.2);--wp--preset--shadow--deep:12px 12px 50px rgba(0,0,0,.4);--wp--preset--shadow--sharp:6px 6px 0px rgba(0,0,0,.2);--wp--preset--shadow--outlined:6px 6px 0px -3px rgba(255,255,255,1),6px 6px rgba(0,0,0,1);--wp--preset--shadow--crisp:6px 6px 0px rgba(0,0,0,1);}:where(.is-layout-flex){gap:.5em;}:where(.is-layout-grid){gap:.5em;}body .is-layout-flow > .alignleft{float:left;margin-inline-start:0;margin-inline-end:2em;}body .is-layout-flow > .alignright{float:right;margin-inline-start:2em;margin-inline-end:0;}body .is-layout-flow > .aligncenter{margin-left:auto !important;margin-right:auto !important;}body .is-layout-constrained > .alignleft{float:left;margin-inline-start:0;margin-inline-end:2em;}body .is-layout-constrained > .alignright{float:right;margin-inline-start:2em;margin-inline-end:0;}body .is-layout-constrained > .aligncenter{margin-left:auto !important;margin-right:auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width:var(--wp--style--global--content-size);margin-left:auto !important;margin-right:auto !important;}body .is-layout-constrained > .alignwide{max-width:var(--wp--style--global--wide-size);}body .is-layout-flex{display:flex;}body .is-layout-flex{flex-wrap:wrap;align-items:center;}body .is-layout-flex > *{margin:0;}body .is-layout-grid{display:grid;}body .is-layout-grid > *{margin:0;}:where(.wp-block-columns.is-layout-flex){gap:2em;}:where(.wp-block-columns.is-layout-grid){gap:2em;}:where(.wp-block-post-template.is-layout-flex){gap:1.25em;}:where(.wp-block-post-template.is-layout-grid){gap:1.25em;}.has-black-color{color:var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-color{color:var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-color{color:var(--wp--preset--color--white) !important;}.has-pale-pink-color{color:var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-color{color:var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-color{color:var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-color{color:var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-color{color:var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-color{color:var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-color{color:var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-color{color:var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-color{color:var(--wp--preset--color--vivid-purple) !important;}.has-black-background-color{background-color:var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-background-color{background-color:var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-background-color{background-color:var(--wp--preset--color--white) !important;}.has-pale-pink-background-color{background-color:var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-background-color{background-color:var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-background-color{background-color:var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-background-color{background-color:var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-background-color{background-color:var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-background-color{background-color:var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-background-color{background-color:var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-background-color{background-color:var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-background-color{background-color:var(--wp--preset--color--vivid-purple) !important;}.has-black-border-color{border-color:var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-border-color{border-color:var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-border-color{border-color:var(--wp--preset--color--white) !important;}.has-pale-pink-border-color{border-color:var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-border-color{border-color:var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-border-color{border-color:var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-border-color{border-color:var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-border-color{border-color:var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-border-color{border-color:var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-border-color{border-color:var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-border-color{border-color:var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-border-color{border-color:var(--wp--preset--color--vivid-purple) !important;}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background:var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important;}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background:var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important;}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important;}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important;}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background:var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important;}.has-cool-to-warm-spectrum-gradient-background{background:var(--wp--preset--gradient--cool-to-warm-spectrum) !important;}.has-blush-light-purple-gradient-background{background:var(--wp--preset--gradient--blush-light-purple) !important;}.has-blush-bordeaux-gradient-background{background:var(--wp--preset--gradient--blush-bordeaux) !important;}.has-luminous-dusk-gradient-background{background:var(--wp--preset--gradient--luminous-dusk) !important;}.has-pale-ocean-gradient-background{background:var(--wp--preset--gradient--pale-ocean) !important;}.has-electric-grass-gradient-background{background:var(--wp--preset--gradient--electric-grass) !important;}.has-midnight-gradient-background{background:var(--wp--preset--gradient--midnight) !important;}.has-small-font-size{font-size:var(--wp--preset--font-size--small) !important;}.has-medium-font-size{font-size:var(--wp--preset--font-size--medium) !important;}.has-large-font-size{font-size:var(--wp--preset--font-size--large) !important;}.has-x-large-font-size{font-size:var(--wp--preset--font-size--x-large) !important;}.wp-block-navigation a:where(:not(.wp-element-button)){color:inherit;}:where(.wp-block-post-template.is-layout-flex){gap:1.25em;}:where(.wp-block-post-template.is-layout-grid){gap:1.25em;}:where(.wp-block-columns.is-layout-flex){gap:2em;}:where(.wp-block-columns.is-layout-grid){gap:2em;}.wp-block-pullquote{font-size:1.5em;line-height:1.6;}.woocommerce form .form-row .required{visibility:visible;}[data-font="FontAwesome"]:before{font-family:"FontAwesome" !important;content:attr(data-icon) !important;speak:none !important;font-weight:normal !important;font-variant:normal !important;text-transform:none !important;line-height:1 !important;font-style:normal !important;-webkit-font-smoothing:antialiased !important;-moz-osx-font-smoothing:grayscale !important;}.woocommerce .products ul,.woocommerce ul.products{padding-left:50px !important;padding:20px;}.woocommerce .woocommerce-breadcrumb{padding-left:50px !important;padding:20px;}.woocommerce .woocommerce-result-count,.woocommerce-page .woocommerce-result-count{padding-left:50px !important;padding:20px;}.page-description{padding-left:50px !important;}.page-title{padding-left:50px !important;padding:20px;}.single_add_to_cart_button,.woocommerce .quantity input[type="number"],.woocommerce-page .quantity input[type="number"],.add_to_cart_button,.woocommerce li.product .entry-header .button,.woocommerce-page li.product .entry-header .button{display:block !important;}.site-inner .woocommerce ul.products li.product .details{padding:10px;}a.button a:hover{color:grey !important;}ul.products li .details{background:rgba(255,152,79,1);background:linear-gradient(to bottom,rgba(255,152,79,1) 0,rgba(252,105,20,1) 100%);box-shadow:inset 0 1px 0 rgba(255,152,79,1);}.site-inner .woocommerce #content input.button,.site-inner .woocommerce #respond input#submit,.site-inner .woocommerce a.button,.site-inner .woocommerce button.button,.site-inner .woocommerce input.button,.site-inner .woocommerce-page #content input.button,.site-inner .woocommerce-page #respond input#submit,.site-inner .woocommerce-page a.button,.site-inner .woocommerce-page button.button,.site-inner .woocommerce-page input.button,.woocommerce .site-inner #content input.button,.woocommerce .site-inner #respond input#submit,.woocommerce .site-inner a.button,.woocommerce .site-inner button.button,.woocommerce .site-inner input.button,.woocommerce-page .site-inner #content input.button,.woocommerce-page .site-inner #respond input#submit,.woocommerce-page .site-inner a.button,.woocommerce-page .site-inner button.button,.woocommerce-page .site-inner input.button{background:rgba(255,152,79,1);background:linear-gradient(to bottom,rgba(255,152,79,1) 0,rgba(252,105,20,1) 100%);box-shadow:inset 0 1px 0 rgba(255,152,79,1);}.site-inner .woocommerce #content input.button:hover,.site-inner .woocommerce #respond input#submit:hover,.site-inner .woocommerce a.button:hover,.site-inner .woocommerce button.button:hover,.site-inner .woocommerce input.button:hover,.site-inner .woocommerce-page #content input.button:hover,.site-inner .woocommerce-page #respond input#submit:hover,.site-inner .woocommerce-page a.button:hover,.site-inner .woocommerce-page button.button:hover,.site-inner .woocommerce-page input.button:hover,.woocommerce .site-inner #content input.button:hover,.woocommerce .site-inner #respond input#submit:hover,.woocommerce .site-inner a.button:hover,.woocommerce .site-inner button.button:hover,.woocommerce .site-inner input.button:hover,.woocommerce-page .site-inner #content input.button:hover,.woocommerce-page .site-inner #respond input#submit:hover,.woocommerce-page .site-inner a.button:hover,.woocommerce-page .site-inner button.button:hover,.woocommerce-page .site-inner input.button:hover,ul.products li .details:hover{background:linear-gradient(to bottom,rgba(179,182,184,1) 0,rgba(133,138,141,1) 100%);border-top:1px solid rgba(179,182,184,1);border-bottom:1px solid rgba(179,182,184,1);border-left:1px solid rgba(179,182,184,1);border-right:1px solid rgba(179,182,184,1);box-shadow:inset 0 1px 0 rgba(179,182,184,1);}#yith-wcwl-form .product-add-to-cart .add_to_cart,.nav-primary .search-form input[type=submit],.primary-search .search-form input[type=submit],.sidebar-secondary .btn,.site-container .before-header-area .co,.site-inner .woocommerce #payment #place_order,.site-inner div.summary .single_add_to_cart_button.button.alt,.woocommerce-page .site-container .before-header-area .co,.woocommerce-page .site-inner .woocommerce .checkout-button{border:1px solid rgba(255,152,79,1);}#yith-wcwl-form .product-add-to-cart .add_to_cart:hover,.nav-primary .search-form input[type=submit]:hover,.primary-search .search-form input[type=submit]:hover,.sidebar-secondary .btn:hover,.site-container .before-header-area .co:hover,.site-inner .woocommerce #payment #place_order:hover,.site-inner div.summary .single_add_to_cart_button.button.alt:hover,.woocommerce .site-container .before-header-area .co:hover,.woocommerce-page .site-inner .woocommerce .checkout-button:hover{background:linear-gradient(to bottom,rgba(179,182,184,1) 0,rgba(133,138,141,1) 100%);border-top:1px solid rgba(179,182,184,1);border-bottom:1px solid rgba(179,182,184,1);border-left:1px solid rgba(179,182,184,1);border-right:1px solid rgba(179,182,184,1);box-shadow:inset 0 1px 0 rgba(179,182,184,1);}@media all and (max-width: 767px){td.product-quantity{width:auto !important;padding-bottom:40px !important;padding-top:20px !important;}td.product-quantity input{margin-top:-10px !important;margin-left:15px !important;}table.shop_table.shop_table_responsive.cart.woocommerce-cart-form__contents td{margin:10px;}table.shop_table.shop_table_responsive.cart.woocommerce-cart-form__contents .product-name{padding-left:10px;}table.shop_table.shop_table_responsive.cart.woocommerce-cart-form__contents a.remove{width:auto !important;outline:none !important;}table.shop_table.shop_table_responsive.cart.woocommerce-cart-form__contents #coupon_code{float:none;width:100%;}table.shop_table.shop_table_responsive.cart.woocommerce-cart-form__contents button.button{width:50% !important;margin:auto !important;}table.shop_table.shop_table_responsive.cart.woocommerce-cart-form__contents td.actions{padding:40px 10px;}.woocommerce-checkout .woocommerce #linf{position:unset;}}.dgwt-wcas-ico-magnifier,.dgwt-wcas-ico-magnifier-handler{max-width:20px;}.dgwt-wcas-search-wrapp .dgwt-wcas-sf-wrapp input[type=search].dgwt-wcas-search-input,.dgwt-wcas-search-wrapp .dgwt-wcas-sf-wrapp input[type=search].dgwt-wcas-search-input:hover,.dgwt-wcas-search-wrapp .dgwt-wcas-sf-wrapp input[type=search].dgwt-wcas-search-input:focus{background-color:#ffeee5;}.dgwt-wcas-search-wrapp .dgwt-wcas-sf-wrapp .dgwt-wcas-search-submit::before{border-color:transparent #f45a33;}.dgwt-wcas-search-wrapp .dgwt-wcas-sf-wrapp .dgwt-wcas-search-submit:hover::before,.dgwt-wcas-search-wrapp .dgwt-wcas-sf-wrapp .dgwt-wcas-search-submit:focus::before{border-right-color:#f45a33;}.dgwt-wcas-search-wrapp .dgwt-wcas-sf-wrapp .dgwt-wcas-search-submit,.dgwt-wcas-om-bar .dgwt-wcas-om-return{background-color:#f45a33;}.dgwt-wcas-search-wrapp .dgwt-wcas-ico-magnifier,.dgwt-wcas-search-wrapp .dgwt-wcas-sf-wrapp .dgwt-wcas-search-submit svg path,.dgwt-wcas-om-bar .dgwt-wcas-om-return svg path{}.related.products{display:none;}.site-header .header-widget-area{display:flex;flex-direction:row-reverse;align-items:center;justify-content:space-between;width:64%;}.site-header .dgwt-wcas-widget{width:400px;}.site-header .widget_banner_link img{height:auto;}@media only screen and (min-width: 1000px) and (max-width: 1200px){.site-header .dgwt-wcas-widget{width:64%;}.site-header .header-widget-area{width:58%;}.site-header .dgwt-wcas-widget{width:320px;margin-right:40px;}}@media only screen and (min-width: 768px) and (max-width: 1000px){body .site-header .header-widget-area section{margin-right:0;}.site-header .header-widget-area{width:100%;padding:0 0 16px 0;}.site-header .dgwt-wcas-widget{width:50%;}}@media (max-width: 768px){.site-header .header-widget-area{flex-direction:column;width:100%;}.site-header .dgwt-wcas-widget{width:100%;}}

Sylvania 6550

Balanced

Matching

Description

Reviews

Tubes Unlimited is Your #1 ONLINE Source for NOS Vacuum Tubes

All NOS tubes types for home audio and guitar amplifiers.

$50 minimum product order

Sylvania 6550

Balanced

Matching

Description

Reviews

Related products

All prices are per tube

Amperex 4cx250B

All prices are per tube

Amperex 4-400A 8438

Tubes Unlimited is Your #1 ONLINE Source for NOS Vacuum Tubes

All NOS tubes types for home audio and guitar amplifiers.

$50 minimum product order

SITE NAVIGATION

CUSTOMER SERVICE

CONTACTS

Follow Us