The difference between PSNAVE WE205D or WE205D-L is pin.  WE205D needs to match original WE-style tube socket,  WE205D-L only need Normal tube socket.  Specification:  Electrical parameter rating value unit  Direct Interelectrode Capacitances  Input 4.8 uuF  Output 5.2 uuF  Grid to plate ≤ 3.3 uuF  Typical operating parameter  Heater voltage 4.5 V  Heater current 1.6 A  Ua 300 V  Ug -30 V  Ia 8 mA  Amplification...

300B-SE customized pipe system directly heated cathode power transistor for A1 class amplification. In the audio amplifier output power requirements for adaptation in 10W occasions.   Limit Ratings Anode voltage: 480V Anode dissipation power: 40W Cathode current Self-bias: 100 mA Fixed bias: 70 mA Electrode capacitance Input capacitance: 9PF The output capacitor: 4.3PF Cross-Road capacitors: 15PF Static parameters Ua: 300V -Ug: 60 V Ia: 60mA Gm: 5.5mA / V Ri: 0.7 KΩ μ: 3.85 Pout:...

1, PSVANE T-Collection series MK II use the Carbon Microcrystalline technology. Carbon Microcrystalline is a kind of very stable absorbent (material), and it has excellent heat transfer performance. Carbon Microcrystalline make up stabilization of the electrical performance inside of the Vacuum tube.  2, The PSVANE T-Collection series MK II tube socket is made with Teflon. It is very low electric inductivity, very low dielectric loss, and high breakdown voltage, high electric volume...

12AT7-TII is high u two-three-nine feet very small tube, used as a voltage amplification, driving push-pull amplification in the amplification circuit. Filament heating UH: 6.3 (and) 12.6 (string) V IH: 0.30 0.15 A Electrode capacitance The gate - the gate: 0.005 PF Anode - anode: 0.4 PF The gate - anode (single transistor): 1.5 PF Gate - cathode filament (single transistor): 2.2 PF Anode - cathode filament (single transistor): 0.5 PF Filament - cathode (single transistor): 2.4 PF Anode -...

Filament heating  UH ----------------- 6.3 (and) 12.6 (string) V  IH ------------------- 0.30 0.15 A  Electrode capacitance  No.1 No.2  Input capacitance ---------- 1.6 1.6 PF  Output capacitance ---------- 0.46 0.34 PF  The cross road capacitance ---------- 1.7 1.7 PF  Static parameters  Ua -------------- 100 250 V  -Ug ------------- 1 2 V  Ia --------------- 0.5 1.2 mA  Gm -------------- 1.25 1.6 mA / V  u ---------------- 100...

805A-T is direct-heated type thorium tungsten cathode triode, can be used as class B, A-F, and R-F power amplification, class C R-F power amplification and high frequency oscillation. Heater Uf: 10 V If: 3.25 A Direct Interelectrode Capacitances input: 8.5 PF output: 10.5 PF grid to plate: 6.5 PF Maximum Rating Ua: 1500 V Pa: 125 W Recommended Operating Conditions (reference value) class B(A-F) for two tubes typical working condition limited parameter Ua: 1250 1500 1250 V Ia (mAx.sig per tube):...

KT88-T is a beam power tetreode, its anode limited dissipation power is 42W. In the audio amplifier, the power can be 100W when it is used as push-pull class AB1 with double tubes, it can also be used in electronic voltage regulator circuit. KT88 is similar with CV5220 and 6550,they can be replaced by each other. Heater Uf: 6.3 V If: 1.6 A Maximum Rating Ua: 800 V Ug2: 600 V Ug1: -200 V Pa: 42 W Pg2: 8 W Ua+g2: 46 W Ik: 230 mA Uh-k: 200 V Tbulb: 250 C Rg1 with cathode bias Pa+Pg2≤35W 0.47...

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...