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Audio Experience

Symphonies Plus-R  High-Definition Tubes Line Preamplifier

The Symphonies Plus-R ( with Remeto Control ) is High grade Symphonies Version , it is designed by Mr. Chui Sat Sung,  each component is carefully built using "point-to-point" hand wiring and select grade components.  “Alps” volume pots, “R” core power transformers, “Dale” and "Phillips" resistors, “Wima” and “Phillips” and "Rifa" coupling capacitors,  high quality copper internal wiring, create a perfect blend of superb electronic engineering.  The Symphonies Plus-R , pure tube preamplifier reveals crystal clear details, eloquent musicality, with absolute neutrality.  (3) 12AX7A vacuum tubes are used in the stage , one 6x4 tubes with solid state regulator for HV B+ power supply. Individual circuit for volume ( use "Alps"volume and "Alps" Balance ) .This circuit can update the sound of the "Alps"  volume better than "Elma" volume. Features   Huge dynamic range, both the beautiful tone color and wonderful rhythm ,  ultra linear circuit of the line stage designed for the DVD - Audio and SACD source in the New Century. uncanny natural flowing heart-stirring sound that matches any other ultra-Fi products on the market . The Line stage made by Hand built " point to point " on YS-Audio factory. "point to point" has become more focused, the soundstage is deeper. Hand built by " point to point ' is very high cost of manufacture ! The installation of the tubes line stage is special designed , it can prevent RF interfere and vibrate interfere, It has become very clean soundstage and saw the musical instrument hang up in the air.    The 6X4 Tube rectification opens up the soundstage and allows the music to "bloom".  The melody flows naturally, like a river. In contrast, solid state rectifiers emit  electromagnetic pulses that resonate throughout the audio circuit and add an  electronic haze that can be perceived as a highly unnatural noise or grain.  The unnaturalness of the solid state rectifier's turn on/turn off cycle creates a choppy,  edgy feeling that over-emphasizes the leading edge of transients at the expense of a  harmonic completeness and does not allow the individual notes to rise and decay naturally. Besider, It with solid state regulator for HV B+ power supply , the regulator give the very good  bass controls , it become the sound better than popular Symphonies .It can fight down many USD$4000 preamplifier ! 　 Full Black Version

Controls : Gain , Input Selector , Balance , Power On/Of Output : Main RCA x2 pair , REC RCA x1 pair Input : RCA x4 pair Output Impedance : 600ohm at 1K Hz( all main output) Recommended load:  20K ohm or greater Frequency Response: 10Hz ~ 200KHz(-0.5dBat 5V) T.H.D : <0.04% (20Hz ~ 20KHz /2V) Input Impedance: 50K ohm Gain: 12dB S/N: >99dB Channel Balance: <0.5dB(15Hz ~ 30KHz /max output) Channel Separation: >70dB(2Hz ~ 30KHz) Phase Mode : Normal Max Output : 30V Line-Stage Tubes : 12AX7A x3 Power Supply : 6X4 Dimension: 400mm x 310mm x 80mm (W x D x H) Weight: 5.3kg Power Source: 110-127/220-240V,50/60Hz

Many buyer e-mail to me ask about the difference between the Symphonies Plus and Symphonies preamp. The following of difference between the Symphonies Plus and Symphonies preamp. (1) Symphonies Plus with solid state regulator for HV B+ power supply and the 6X4 for constant the current ( the 6X4 is not for rectification ) , fully difference power supply.   ( 2 ) Symphonies Plus with individual circuit for volume control (the sound is not direct through the volume control), This circuit get very good sound and open the sound stage at low volume level.   ( 3 ) Symphonies Plus with many up grade part. ( 4 ) Symphonies Plus with strong chassis  The "plus" version is all better sound than the standard version about two Class.

The preamplifier Include : Box , Power Cable , Manual , All Tubes. 2 year warranty ( not include tubes and ship cost )

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The Payment Methods and Shipping Credit Card through PayPal , I can ship the preamplifier to any local. Please , e-mail to me ask about the cost of shipping . The cost fo shipping to UK . By air post is : £45

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