Reference One MK3 line preamplifier

Reference one MK3 tube line preamplifier

The Reference One MK3 is Audio Experience Reference Grade line preamp. it uses one 6DJ8 at tube input stage to driver 6C45 tube with one Hasimoto line output transformer construct Class A for each channel. This design is from our Flagship grade preamplifier THE REAL.　

The Reference One 's application of a highly efficient solid-state voltage regulator with EZ80 Tube for current regulator and Hasimoto choke in the HVB+ power supply . Also it use the external power supply get highest S/N, the power supply is dual mono design.

Features

6C45 and 6DJ8 for Gain stage.
Hasimoto line output transformer (made in Japan).
Class A .
Gain and Volume uses TKD conductive plastic potentiometer
XLR input with JENSEN (made in USA) input transformer.
Full uses Vishay Date , Caddock , Mills resistors.
XLR output and RCA output
External power supply ( dual mono design )
Double Hasimoto Choke (made in Japan) at HVB+ power supply
M-CAP® Supreme Silver / Gold & Oil coupling cap
High/Low gain selector
Gold-plated OFC copper wire for inside interconnect cable.

High/Low gain selector

Review by HiFi review.

Specifications

Controls
Main unit : Volume , Gain, Input Selector , Output XLR/RCA Selector , High/Low gain selector .

Power supply : Power On/Of

Output : Two pair XLR Main Output , Two pair RCA Main Output .

Input : One pair XLR input , Three pair RCA input

Output Impedance : 60 ohms
Recommended load: 600 ohm or greater.

Frequency Response: 20Hz ~ 100kHz ( 20Hz -0.1dB , 100kHz 0dB) at 2V output.

T.H.D : 0.15% 1kHz at 1V

Input Impedance: 10K ohm XLR , 50K ohm RCA.

Gain: High gain 19 dB ( XLR and RCA are same gain ) , Low gain 13dB ( XLR and RCA are same gain ).

S/N: >110dB

Channel Balance: <0.1dB(20Hz ~ 20KHz /max output)

Channel Separation: >98dB(2Hz ~ 20KHz)

Phase Mode : Normal

Max Output : 26V

Line-Stage Tubes : 2 pcs 6DJ8 , 2 pcs 6C45 , 2pcs EZ80.

Dimension: Main 400mm x 310mm x 150mm (W x D x H) , power supply 400mm x 310mm x 80mm (W x D x H)

Weight: Main and power supply total 12.5kg

Power Source: 110-127/220-240V,50/60Hz

Not remote version actual price: HK$28500.

With remote ( remote volume controls only ) version actual price: HK$29800.

The Reference one MK3 have black and silver two color version.

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
WhatsApp: 93440168
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