 The Tube Amp Doctor EF86 / 6267 is a low noise and low microphonic version of the vintage pentode. EF86 6267 tubes were famously used in classic HiFi equipment and microphone preamps. The original Vox AC15 circuit also used an EF86. Our ST70 Driver board also uses EF86 tubes. The TAD EF86 / 6267 meets all of the standards of the Tube Amp Doctor Premium Selection process. This tube has a rugged construction with a perforated shield. The TAD EF86 / 6267 will work in any EF86 or 6267 position. |
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