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分享:
剛為客人完成了THE REAL級的 THE REAL EML1605 PP full balanced mono block power amplifier
http://www.ys-audio.com/scor.htm
每聲道以一對EML1605大型3極直熱管作PP輸出.
全Balanced設計, 推動級用直交和牛交構成.
Features
EML 1605 Super Triode power tube
New design 12AU7 and 5687WA driver tubes working at SE mode.
UniCrystal OCC (Ohno Continuous Cast) Copper wire and PCOCC copper wire.
Hasimoto A-305 Interstage Transformer to driver EML 1605 power tube.
Hasimoto HW-100-5 CUT CORE orient high B Output Transformer
Hasimoto C-10-200W Choke
Hasimoto special grade Power Transformer
Specifications
Output and T.H.D :
1W , 1kHz total harmonic distortion typically 0.25% (20Hz 0.5%, 20KHz 0.3%)
50W 1kHz total harmonic distortion typically 1.2%
RMS: 98W
Input : XLR x1
Input Impedance : 200K ohm
Frequency Response:
1W 20Hz ~ 75KHz ( 20Hz 0.4dB, 75KHZ -3dB)
50W 20Hz ~ 60kHz (20Hz -0.6dB , 60kHz -3dB)
98W 20Hz ~ 40KHz (20Hz -3dB , 40kHz -3dB)
Noise: Less than 0.5mV
Input Sensitivity: 1.4V / 50W , 2V / 98W .
Output Taps: 4 ohm , 8 ohm , 16 ohm.
Damping factor : approximately 30
Tubes Required for each black: (2)one matched pair EML1605 Power Output , ( 2 ) 5687WB Driver , ( 2 )12AU7 Input . ( 2 )5R4
Phase Mode : Normal
Dimension: 455mm x 420mm x 245mm (W x D x H) each
Power Source: 220-240V,50/60Hz
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