Specification: Product Type: Class A single-ended tube amp Output power: 18W Frequency range: 10Hz-25KHz Signal to noise ratio: 86dB Input impedance: 100K Input sensitivity: 450mV Input signal selection: 3 way Output impedance: 4, 8 Voltage: 110-240V Power consumption: 240W Welding method: scaffolding structure High voltage power supply: tube rectification, left and right channel separate CLC filtering Tube: shuguang GZ480*1 shuguang 52B-TA*2 shuguang CV181*2 shuguang 12AX7-TA*2 Weight:...

Description：  Beam power tetrode KT66, limit its anode dissipation power is 25W, for A1, AB1 audio amplifier , AB2 class amplification .  Hot wire heating  U H ............ 6.3V  I H ............ 1.27A  Recommended operating status ( reference value )  Push-pull Class A1 zoom ( self-bias )  Ua ........................ 390 250 V  Ug2 ..................... 275 250 V  -Ug1 ..................... 22.5 17.5 V  Rk (per tube) ...... 500 200...

Shuguang Treasure KT88-Z is Beam power quadrupole Vacuum tube, the anode limit dissipation power is 42W. In the audio amplifier, the two tubes for the AB1 push-pull output can get 100W power.  Using "High Polymer Compound Carbon (HPCC)" technology;  Using "Super Alloy " technology;  Improve the vacuum extraction technology, effectively improve the vacuum;  Gold gate, gold-plated pin;  Using new materials and processes  KT88-Z and CV5220, 6550 is similar, can be...

  This series is the important product after the Shuguang Treasure series (Very famous black glass valves).It is based on Shuguang Treasure serie, and absorbing the advantages of the global outstanding tube, gone through upgrading and renovation for three years. The materials is very particular for this series, Including Japanese Toshiba Thoriated tungsten filament (electron emission stability, long life),German high-density carbon anode, High-purity high-density vacuum smelting graphite,...

Nature Sound series is the newly designed  products  made by Shuguang Corporation in 2012. They are improved on the basis of Treasure series with the purporse of beautify the appearance and sound quality of the former tubes.  The hi-end products will give  you a refreshing feeling . This is the price for two tubes matched pair with the same current data.They have shining gold pins and excellent sound quality ,which is considered...

Direction：  Tianlaizhiyin tubes Shuguang Group factory celebrate the 50th anniversary of 2008 after the launch of Treasures series, another great masterpiece!  This series is the dawn of the R & D team in the version on the basis of the the existing treasures Imperial possession, absorbing domestic and foreign the various gall advantage of, which lasted three years constantly upgrading temper made??.  The product is very particular about the use of materials, including...

  Nature Sound series is the newly designed  products  made by Shuguang Corporation in 2012. They are improved on the basis of Treasure series with the purporse of beautify the appearance and sound quality of the former tubes.  The hi-end products will give  you a refreshing feeling . This is the price for two tubes matched pair with the same current data.They have shining gold pins and excellent sound quality ,which is...

version A Tube: Shuguang 2A3B*2，Shuguang 211*2，Shuguang 6SN7GT*2 version B Tube: Shuguang  Treasure 2A3-Z*2，Shuguang 211-TA*2，Shuguang Treasure CV181-Z*2 version C Tube: Shuguang Screen 2A3B*2，Shuguang 211*2，Shuguang Voice Nature CV181-T*2 Specification: Model: SG-211-1 Color: Sliver & Black Product Type: Single-ended class A tube amp Rated Power (W): 15W +15 W (Max 17W ) Frequency range (Hz) :20-25kHz Noise voltage is less than: 1mV SNR (dB): 88dB Input...

The Dawning PLUS series of tube products were designed by Dawning's senior engineer and member of the National Electric Vacuum Standards Committee, Mr. Long Jixue. He created the first of its kind. The latest PLUS series of tubes from Dawning adopts a new manufacturing process and special grade materials. For example, WE300BPLUS, WEKT88PLUS, WE6SN7PLUS and WE6SL7PLUS, which are currently available, are further developed on the basis of the original Rex tube. Most of the materials are used. It...

Shuguang WE845 can fully replace with Tube 845. The price is for 1 Best Matched Pair of Shuguang WE845 vacuum tubes.  If you buy 2 pair(1 Quad, (4 pcs)), we will send the Factory Full Matched tubes to you. Futures:  Shuguang brand 845 tube is replica of American Western Electric vacuum tube, WE845 is for amplifier audio amplification.  The Shuguang is the only one Factory who truly full replica of American Western Electric vacuum tube!  More than 20 years of work experience...