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This model use the very dynamic and rich sound 6SL7 / 6SN7 (alt: ECC32 / ECC35 / 5691 / 5691 / 6SU7) + EL32 (alt: 6G6G / 6L6 / 6V6 / 6F6 / CV1052/ VT52) working together as thefront end stage, you can even calibrate the level of how much proportion of 6SL7 is blending into the EL32, which can gives you the most airy warm and liquid 4D holographic sound stage with superb micro-details and dynamics. Output stage use the super powerful 6550 (can also use VT52 / CV1052 / 6G6 / 6V6 / 6K6 / 6Y6 / 6F6 / 6L6 / 6550 / KT66 / KT77 / KT88 / KT99 / KT100 / KT120 / KT150 / KT170 / EL34 / 5881 / 6CA7...etc direct plug-n-play ), which give superb dynamics sound with extremely good bass grip and control . Rectifier tube use 3B22x2 (can also use 1616 / 866A / 836 / 3B27 / 3B28 / 2A3 / 300B / 572B ..... with 4 pin to 8 pin converter can also use 5U4G / 5AR4 / 5R4 / 53KU / GZ37 ...etc, just directly plug-n-play) matched with our special designed QUAD-core balanced output transformers and oil coupling capacitors , the mid and high is so silky smooth and syrup fluid, and the bass is very punchy with elastic tenderness control . All tube section built with point-to-point and component-to-component hand wiring technique to ensure max. transparency and natural tonal quality. Also equipped with Choke enable/disable selector for further musicality and smoothness enhancement when needed. Constant current amplification ensure most stable sound stage with super high resolution. Our newest MDE (micro-dynamics extraction) circuit already included in this unit to let those very minute details surface out the background.
This is the 4th model of our Reference series of pre-amplifiers, which have no compromise in build quaility. High headroom power transformer which is good enough to power up a 60W tube push-pull power amplifier, give exceptional reliability and stability as well as easiness of the sound with 4D hanging in the air density. Our pre-amp designs are well know as giant killer. We strongly believe this pre-amp can easily surpass the sonic performance of competitors US$80,000-$200,000 offerings. The reason we are offering this pre-amp with such an unbelievible low price tag is simply because we can, and our goal is to clash the Titans.
This model also included IR remote control motorized volume pot, can control manually or with our mini IR remote console. Aluminum shielding angle plate included for best shielding effect from rectifier tubes.
Direct output built with variable gain control, in order to match whatever power amplifier and still be able to set the volume control within sweet spot (between 9 - 1 o'clock position)
For customer who need more artistic chassis design, we can offer all solid-oak chassis, or wood+AL chassis for your choices , additional cost may apply.
This pre-amp can use more than 7 x 9 x 20 x 10 = 12,600+ different tube combinations to fine-tune the tonal quality as well as dynamics and richness, .
Non-feedback pure tube ORGANIC design with very open , smooth and sweet tonal quality. Those big output power tubes give exceptional richness and texture as well as super high density sound to regenerate the real live performance soundstage, which is never be reachable for products built with those smaller tubes like 6DJ8 / 12AX7 ...etc, no matter how much crazy unreasoanble price they asked for.
You might wonder why it seems to be no others can make pre-amps with those big size tubes with ORGANIC design in order to achieve our superb level of sonic performance ? The answer is very simple , it is extremely difficult to design and build such a unit without putting any solid-state regulators and still come out with such professional grade performance. Most of the manufacturers are just aim at making a nice finished chassis , copy or modify from an old school circuit design, then throw in few small tubes and a few piece of well advertised capacitors on circuit boards , paid for some nice write-up review and advertisement, and expect a quick and big return from their investment , they are not dare or not capable to do such an extremely difficult design with those hired engineers / technicians, who even might not know what music is all about, but just follow the books.
Optional chassis :
Solid-oak side panels add $150
Solid-oak in regular lacqor finish add $250
Solid-oak in high gloss piano finish add $600
Black piano high gloss finish add $600
Regular aluminum + plexiglass hybrid chassis with no additional cost
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