Product parameters: The same transconductance pentode EL84 has an anode limit dissipation power of 12W, which is used for class A1, AB1, and B amplification in audio amplifiers. Hot wire heating UH 6.3 (parallel) 12.6 (string) V IH 0.30 0.15 A Limit rating Anode voltage 500 V Anode dissipation power 12 W Second gate voltage 300 V Second grid power dissipation 2 W Cathode current 65 mA First gate voltage -100 V Voltage between hot wire cathodes ±100 V First gate resistance 0.3 MΩ at...

Very clean and well maintained PSVANE T-417 Reference Tube Pre-amplifier and Headphone Amp with upgraded power tubes, a pair of Shuguang Treasure 300B-Z, Other tubes are a pair of upgraded RAYTHEON JAN-5842's, a Psvane 12AX7 and a GE5670. Wonderful sounding, excellent extension in both the bass and higher frequencies, this is a pre-amp that is truly deserving of the title 'Reference'!!! This unit consists of two parts: amplification and power. The enlarged part is amplified by 1/255670, and the...

Feature: Absolutely wellknow brand product, quality, technology and after-sale are guaranteed; (HIFI EXQUIS co, limited) Power up to 35w or more, enough to push almost all home's or market's HIFI speakers, speakers do not have to worry; Sound effects reach the level of several thousand dollar in the tube amplifier market;(HIFI EXQUIS co, limited) With full performance, whether vocal/strings/symphonic or jazz, all is compatible, swordsmen; Full manual welding scaffolding, ensure quality, it's...

Feature: Absolutely biggest brand products, quality, technology and after-sale are guaranteed; Power up to 35w or more, enough to push almost all home's or market's HIFI speakers, speakers do not have to worry; Sound effects reach the level of Several thousand dollar in the tube amplifier market; With full performance, whether vocal/strings/symphonic or jazz, all is compatible, swordsmen; Full manual welding scaffolding, ensure quality, it's not with a large PCB from a simple automatic...

Feature: Absolutely first-class product. The quality, technology, grade and after-sales service are guaranteed. The Power reaches to more than 35w and makes you not be worry about acoustics.  The sound effect is as good as the amplifiers which are worth 10,000 or 20,000 RMB in the market. With a full range of expressive force to music, such as jazz, symphonic music and so on.  All the welding is done by hands to guarantee the voice. Never cheat the customers with a large area of the...

Description：  The Psvane T-series black bottle tubes are a further development over the highly sought after Shuguang Treasure Z-series, which was originally first launched by Grant Fidelity in Jan 2009 in North America as Shuguang’s first take on high end vacuum tubes.  The elite team of engineers who contributed to the Treasure Z-series have done further fine tuning of the Z-series in the past few years. The further development has created a new series called Psvane T-series...

About Psvane WE Replica series:  While the audio world still holds Western Electric vacuum tubes as the holy grail but the availability is so remote and affordability are no where close to average person’s wallet size, Psvane Audio out of China (run by an elite group of designers left the state owned Shuguang Tube Factory) has launched a series of 1:1 replica of the legendary WE tubes. The current models include: WE300B, WE274B, WE212, WE275(2A3) and a hybrid of WE300B and RCA2A3...