1.0Holy Grail Tube Ampshttps://holygrailtubeamps.com/esrich600338<blockquote class="wp-embedded-content" data-secret="3A77KSiNj9"><a href="https://holygrailtubeamps.com/es/shop/amps/big-master-champ-5f1/">Big Master Champ (5F1) (12″)</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://holygrailtubeamps.com/es/shop/amps/big-master-champ-5f1/embed/#?secret=3A77KSiNj9" width="600" height="338" title="«Big Master Champ (5F1) (12″)» — Holy Grail Tube Amps" data-secret="3A77KSiNj9" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://holygrailtubeamps.com/wp-includes/js/wp-embed.min.js </script>https://holygrailtubeamps.com/wp-content/uploads/2025/07/Big-Master-Champ_12.jpg1080946The *Big Master Champ* is a version of the Master Champ built in a larger Deluxe-style cabinet and equipped with a 12″ speaker, allowing you to get the most out of this legendary circuit, used by great bands such as the Rolling Stones for decades. Thanks to its excellent tone and versatility, it is a great amplifier for practice and studio use, and it can even be used for playing in clubs.