Shuguang Treasure tube 300B-Z includes two models, so do other types of Treasure Tube:
300B-Z Grade A
2A3-Z Grade A
CV181-Z Grade A
6CA7-Z Grade A
KT88-Z Grade A
KT66-Z Grade A
Sunflower Representations is a company active in the professional and consumer audio, dealing with audio components, Sunflower Representations is a company active in the professional and consumer audio, dealing with amplifier components, guitar parts, bass parts.
Amplifier parts: Electron/Vacuum tubes, Tube socket( 4 pins sockets, 5 pins socket, 7 pins socket, 8 pins socket, 9 pins socket, 10 pins tube sockets, 12 pins tube sockets, 13 pins tube sockets), high-quality audio cable, Potentiometers for audio, Potentiometers for tone control, Cliff jacks with metal nut, washers, leather handles, Knobs, quality Transformers/output transformers, resistors, capacitors and for audio applications, tube base, tube shield, plate cap, wire retainer, retainers.