Telefunken Black Diamond 6550

New Factory Tested Telefunken 6550 Vacuum Tube An excellent power tube by Telefunken fit for classic amps such as Ampeg, capable of delivering a full 35-watt output. This is the ideal tube for warm tones with smooth overdrive in guitar amplifiers. They...

New Factory Matched Pair of Telefunken 6550 Vacuum Tubes An excellent power tube Telefunken fit for classic amps such as Ampeg, capable of delivering a full 35-watt output. This is the ideal tube for warm tones with smooth overdrive in guitar amplifiers...

New Factory Matched Quad of Telefunken 6550 Vacuum Tubes An excellent power tube Telefunken fit for classic amps such as Ampeg, capable of delivering a full 35-watt output. This is the ideal tube for warm tones with smooth overdrive in guitar amplifiers...

New Factory Matched Sextet of Telefunken 6550 Vacuum Tubes An excellent power tube Telefunken fit for classic amps such as Ampeg, capable of delivering a full 35-watt output. This is the ideal tube for warm tones with smooth overdrive in guitar...

New Factory Matched Octet of Telefunken 6550 Vacuum Tubes An excellent power tube Telefunken fit for classic amps such as Ampeg, capable of delivering a full 35-watt output. This is the ideal tube for warm tones with smooth overdrive in guitar amplifiers...