The Real-X EL156 power amplifier

The Real-X EL156 Power Amplifier

Super Flagship Series

Audio Experience THE REAL-X EL156 Mono Block Power Amplifier is a Class AB PP design power amplifier. It provides sound deep and wide stage, accompanies with reality sound image and a emotions sound presentation.

It uses two matched pair of Telefunken EL156 power tubes and Class AB PP working status to provide 150W adequate output for most of the Hi-End Speakers to ideal performance. Moreover, the high quality output transformer combines with high performance Class AB PP circuit design lead to an extremely low loss, wide sequence sound effect and excellent phases output. 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.

The new design input stage is ECC82 direct coupling to ECC82 driver stage. Telefunken EL156 at Class P-P mode to driver Hashimoto H-156 special grade CUT CORE orient high B output transformer , The Hasimoto special grade CUT CORE orient high B output transformer has very low Insertion Loss 0.15dB only. ( Many tube power amplifier in Hi-End audio market , Their have the output transformers is over 1dB 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.

The power supply with three separately HVB+ power supply for power output stage , power tube G2 and input driver stage.
The three power supply separately with Hasimoto choke.

The components , NFB value , tube type , circuit all select by listen test.

Features

All power transformers is special model Hasimoto transformer , high current , low noise
Three separately HVB+ power supply for power output stage , power tube G2 and input driver stage.
Hashimoto H-156 special grade CUT CORE orient high B output transformer, special design for EL156 x 4 PP.
The new design input driver stage
Telefunken EL156 power tube x 4 PP
Telefunken EZ150 rectifier tube for output stage of power supply
The speaker connections is Star (Germany)
The inside wire have uses IN-AKUSTIK , Wireworld cable.

Hashimoto H-156 special grade CUT CORE orient high B output transformer, special design for EL156 x 4 PP.

Specifications

Output and T.H.D :
1W 1kHz total harmonic distortion typically 0.05% (20Hz 0.1%, 20KHz 0.06%)
90W 1kHz total harmonic distortion typically 0.3%
150W 1kHz total harmonic distortion typically 2% (rated output)

Input : RCA

Input Impedance : 100K ohm

Frequency Response:
1W 20Hz ~ 100KHz ( 20Hz 0dB, 100KHZ 0dB)
150W 20Hz ~ 100kHz (20Hz -0.5dB , 100kHz 0dB)

Noise: Less than 0.5mV

Input Sensitivity: 1.2V RMS rated output. Gain 29dB.

Output Taps: 4 ohm , 8 ohm , 16 ohm.

Damping factor : approximately 36

Tubes Required for each black:
(4) two matched pair Telefunken EL156 Power Output ,
( 1 )Telefunken EZ150 rectifier tube
( 1 )ECC82, ( 1 )ECC82 Input .

Phase Mode : Normal

Dimension: 455mm x 410mm x 245mm (W x D x H) each

Total Weight: 68kg ( total two block )

Power Source: 110-117/220-240V,50/60Hz

Actual Price: HK$138,000 one pair.

YS-Audio
Room1308, 13/F,BLK C,.
Kai Tak FTY BLDG.
99-101 King Fuk ST,.
San Po Kong,   KLN,.
Hong Kong
Tel:(852)93440168
E-mail : info@ys-audio.com
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