Concerto Plus MC-Signature Tubes Phono Stage Eq-Ampilier Version 1.5
The Concerto Plus MC-Signature (Version 1.5) is top version of Concerto Plus, It work for MM and MC cartridge with external power supply, phono stage embodies the newest thinking of YS-audio dedicated and enthusiastic technical design YS Chui . The unit has MC input ( Low 71dB of gain , High 77dB of gain ) and MM input ( 48dB of gain ), and, just as importantly, the Concerto Plus MC-signature boasts an very low noise level, so in practical use, the 71dB gain is usable in systems with low overall sensitivity. It uses a EZ81(orEZ80) rectifier tube with solid state regulator for HV B+ power supply , three 12AX7 for the gain stage and Hasimoto HM-X MC transformer for MC step-up stage . MM input is 47K ohm. The Concerto all hand made by "point-to-point" .
range, both the beautiful tone color and wonderful rhythm ,
ultra linear circuit designed for the LP and SP, it has 4 kind EQ network for select , include
RIAA , London ffrr , Columbia , SP. uncanny natural flowing heart-stirring sound that
matches any other ultra-Fi products on the market .
The phono 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 HV B+ power supply is application of a highly
efficient solid-state voltage regulator with EZ81 Tube for current
The EZ81 Tube opens up the soundstage and allows the music to "bloom". The melody flows naturally, like a river.
The highly efficient solid-state voltage regulator give the very good bass controls .
The Important features
The Concerto Plus MC-TSE has a select control for select 4 kind phono EQ network :
RIAA , London ffrr , Columbia , SP.
The RIAA EQ for prevalence LP ,
The London ffrr EQ for London ffrr LP ,
The Columbia EQ for Columbia and old NAB LP ,
The SP EQ for EU 2 Single-Play.
MC impedance select
The Concerto Plus MC-Signature one pair MC input , one pair MM input.
And It has two pair output , one pair is high output and one pair is low output.
All RCA connections use Neutrik.
Hasimoto HM-X Step-up MC transformer
Some info for Hasimoto HM-X MC transformer: Hashimoto-HM-X-datasheet.pdf
M-CAP® Supreme Silver / Gold & Oil coupling cap, MultiCap RTX output cap
UniCrystal OCC (Ohno Continuous Cast) Copper wire and
Gold-plated OFC copper wire for inside interconnect cable.
Hasimoto Choke (made in Japan) at HVB+ power supply.
External power supply.
Output : High x1 , Low x1
Input : MC1 input , MC2 input , MM input
Frequency Response: -/+ 0.2dB, 20Hz to 20kHz, RIAA equalized
MM Gain: 48dB at high output , 44dB at low output.
gain MC step-up with MM stage:
Noise: MM 84dB
(shorted input) , MC 79dB (shorted input).
Less than 0.2% at 2.5V RMS 1kHz output.
Maximum input : MM 50mv , MC 5mv .
Tube Compliment : 12AX7 x3 , EZ81(or EZ80 ) x1
Power Source: 110-127/220-240V,50/60Hz
Actual Price: HK$18300
Room1308, 13/F,BLK C,.
Kai Tak FTY BLDG.
99-101 King Fuk ST,.
San Po Kong, KLN,.
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