The Real EML320B-XLS 17W x2 SET Stereo Valve Tube Power Amplifier
The 5687WB input tube use Jupiter Copper foil (wax paper and Polypropylene film) coupling cap to 5687WB driver tube to driver Hashimoto A-115 Interstage transformer, This new design driver stage got the wide frequency range and very good sound. The interstage transformer direct coupling to power tube. The EML300B-XLS / EML320B-XLS / 842 tube work at Class A Single Ended Triode mode and fix bias to driver Hashimoto high quality output transformer , The Hashimoto H-320XLS special grade CUT CORE orient high B output transformer has very low Insertion Loss 0.3dB only. ( Many SET tube power amplifier in Hi-End audio market , Their have the output transformers is over 2dB Insertion Loss . only about 10% very high price tube amplifier use under 1dB Insertion Loss of output transformer ) . The output transformer has low insertion loss is very important , the best of the best is 0 dB Insertion Loss , The output transformers for High End tube amplifier need under 1dB Insertion Loss . The Insertion Loss over 1.5dB output transformer will lost many low level music.
This power amplifier case structure and parts arrangement are perfect, the signal path is directly and shortly connected. Great heat dissipation, an anti-shock and anti-RF function to guarantee it works at a very stable status. For sure, this machine is produced by point-to-point methodology.
Features
Hashimoto A-115 CUT CORE orient high B Interstage Transformer
Hasimoto H-320XLS special grade CUT CORE orient high B Output Transformer
Coupling cap use Jupiter Copper foil (wax paper and Polypropylene film) coupling cap
EML 300B-XLS:
http://www.emissionlabs.com/datasheets/EML300B-XLS.htm
EML 320B-XLS / 842:
http://www.emissionlabs.com/datasheets/EML320B-XLS.htm
Specifications
Output and T.H.D
: |
Input : RCA |
Input Impedance : 100K ohm |
Frequency Response: Test at 1W 20Hz ~ 75kHz
(20Hz -1.8dB, 20kHz -0.2dB, 75KHz -3dB) |
Input Sensitivity : 0.45V / 17W (rated output) 28dB gain ( test at 8 ohm ) |
Output impedance : 4 ohm, 8ohm , 16ohm |
Noise: Less than 1.5mV |
Phase Mode : Normal |
Construction: Copper and High quality aluminum |
Tubes Required: 5687WA x2 , EML300B-XLS / EML320B-XLS / 842 x 2, 5U4Gx 1 |
Dimension: 430mm x 340mm x 230mm (W x D x H) |
Total Weight: 28kg |
Power Source: 110-117/220-240V,50/60Hz |
The amplifier with Sovtek 5U4G rectifier tube version. Actual Price: HK$39800.
The amplifier with EML 5U4G-Mash rectifier tube version. Actual Price: HK$42800.
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YS-Audio
Room1308, 13/F,BLK
C,.
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