Brimar 5U4G Rectifier Vacuum Tube Black Curbed Round Base - Very Rare NOS tube Original markings in excellent condition. Not rattles, loose parts, & has straight pins. Add that classic British sound to your tube amp! Selling part of my private collection to make room in the salary cap for new equipment. All tubes personally tested on my high sensitivity system. See my other listings. International Buyers welcome.

5U4G BRIMAR WHITE PRINT VALVE FULL WAVE RECTIFIER FOREIGN LONG PLATES D GETTER A FWD 29V PEAK A REV 413 V PEAK B FWD 27V PEAK ABREV 414 V PEAK

BRIMAR 5U4G BLACK PLATES FULL WAVE RECTIFIER BLACK BASEA FWD 24 PEAK A REV 420V PEAKB REV 24 PEAK B REV 421V PEAK

BRIMAR 5U4G BLACK PLATES FULL WAVE RECTIFIER BLACK BASEA FWD 21 PEAK A REV 420V PEAKB REV 24 PEAK B REV 421V PEAK

Brimar 5U4G Black Plate (U52/GZ31) Rectifier Valve Tube Used. Untested - but came from my late father’s workshop where he had lots of electronic test equipment (including a valve tester). Postage cost is UK only.

5U4G Brimar Black Plate Curved Brown Micanol Base AVO Tested Good Strong Balanced Emission NOS Valve Tube Overseas buyers please contact me for a quote for Postage Charges to your Country.

Brimar 5U4G Black Plate (U52/GZ31) Rectifier Valve Tube Used. Untested - but came from my late father’s workshop where he had lots of electronic test equipment (including a valve tester). Postage cost is UK only.

BRIMAR 5U4G BLACK PLATES FULL WAVE RECTIFIER BLACK BASEA FWD 24 PEAK A REV 420V PEAKB REV 22 PEAK B REV 421V PEAK

5U4G BRIMAR 5U4GT VALVE FULL WAVE RECTIFIER FOREIGN PRINT FADED LONG BLACK PLATES RING GETTER A FWD 25V PEAK A REV 419 V PEAK B FWD 23V PEAK ABREV 420 V PEAK

Brimar 5U4G Black Plate (U52/GZ31) Rectifier Valve Tube Used. Untested - but came from my late father’s workshop where he had lots of electronic test equipment (including a valve tester). Postage cost is UK only.

5U4G Brimar Black Plate Curved Brown Micanol Base AVO Tested Good Strong Balanced Emission NOS Valve Tube Overseas buyers please contact me for a quote for Postage Charges to your Country.

Brimar 5U4G Black Plate (U52/GZ31) Rectifier Valve Tube Used. Untested - but came from my late father’s workshop where he had lots of electronic test equipment (including a valve tester). Postage cost is UK only.

Brimar 5U4G Black Plate (U52/GZ31) Rectifier Valve Tube Used. Untested - but came from my late father’s workshop where he had lots of electronic test equipment (including a valve tester). Postage cost is UK only.

Brimar 5U4G Valve Boxed NOS.