Electro Harmonix replacement tubes kit for the Bogner Uberschall. Special selection set: uses 6CA7 tubes for and sparkling clarity. High gain set. 5x 12AX7 EH, 1x 12AX7 EH Balanced, 4x 6CA7 EH Platinum Matched.
JJ replacement tubes kit for the Bogner Uberschall. Special selection set: uses 6CA7 tubes for and sparkling clarity. High gain set. 5x JJ ECC83S, 1x JJ ECC83S Balanced, 4x JJ 6CA7 Platinum Matched.
Sovtek replacement tubes kit for the Bogner Uberschall. Special selection set: uses 6CA7 tubes for and sparkling clarity. High gain set. 5x 12AX7LPS Sovtek, 1x 12AX7LPS Sovtek Balanced, 4x 6CA7 EH Platinum Matched.
Tungsol replacement tubes kit for the Bogner Uberschall. Special selection set: uses 6CA7 tubes for and sparkling clarity. High gain set. 5x 12AX7 Tungsol, 1x 12AX7 Tungsol Balanced, 4x JJ 6CA7 Platinum Matched.