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    Lotus Group at the 2023 California Audio Show

    The Lotus Group at the 2023 California Audio Show September 22-24 Emeryville, CA This will be the first show anywhere where all of the electronics will be from SW1X! SW1X AMP V Titan Integrated 300B & 6SN7 Valve Amplifier Level IV DAC Level IV VDT Valve Digital Transport Our...
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    SW1X - Now in Production DAC Models with Valve Based USB Interface

    Valve based USB Interface inside the DAC II SPX in Production
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    Latest Newsletter from The Lotus Group

    https://conta.cc/3DwgB8x
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    SW1X DAC III Balanced & PRE III Special, PranaWire - New Video

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    The SW1X DAC III SPX - Please Listen

    SW1X DAC III SPX This is the unit that was sent to the Pacific Audio Fest and recorded this evening after its return. If you were there, you may know that it did not end up being played in our room due to an interaction with another piece of equipment that may itself have been damaged. Rest...
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    New! See Michael Fremer's Review of the SW1X LPU III Balanced Phono Stage

    https://www.stereophile.com/content/analog-corner-324-phono-cartridge-standards-sw1x-lpu-iii-balanced-phono-preamplifier-sumiko Please note the things he says the LPU III Balanced does better than his CH Precision P1 and X1 combo, which is 4 times the cost!
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    Photos of the SW1X DAC V

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    PranaWire Arhat Jumper Cable Set for ALSYVOX Planar Speakers

    Our French distributor has sent us a report on the set of PranaWire Arhat jumper cables we made for the ALSYVOX planar speakers: “Joe I warm up the audio system for 7 hours and may be the cables required more burn in to deliver the best. The sound of the cables taken as a whole, is really what...
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    Listen to the latest version of the SW1X PRE III

    This recording was made of The Lotus Group reference system which consists of our Lotus Group Granada Loudspeaker, all PranaWire Cabling and accessories, the SW1X LPU III Balanced Phono Stage and the SW1X PRE III Standard Preamplifier. It was made using an iPhone 6 and a Shure MV88 microphone...
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    The Latest Version SW1X LPU III Balanced Phono Stage

    The most recent iteration of the SW1X LPU III Balanced Phono Stage with PranaWire Nirvana ICs and new PranaWire Lightspeed Linebacker SE InLine Passive Power Filter For best results please use headphones. Have a listen: Thanks.
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    Review of SW1X DAC III Balanced at Mono & Stereo

    This review of the SW1X DAC III Balanced serves to confirm the message I have been trying to convey that SW1X products separately and in the aggregate represent the kind of game changer that only comes around very rarely. Matej Isak has done a superb job of not only laying out the rationale...
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    New Stepped Attenuators from SW1X

    This is a review from another forum: ”Over the past 15 years I have owned a number of pre-amplifiers utilizing sold-state and tube typologies and have always been curious about the sound quality of these volume potentiometer and Khozmo attenuators used in these designs. I have read numerous...
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    SW1X Pre III Demo

    Listen to the Latest Preamplifier from SW1X. Please use headphones.
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    Building the Lotus Group Reference Turntable

    14 years ago a friend of mine called and asked if I would like to take a class at the Randall Museum in San Francisco where we would be building our own turntables. The museum Director was an audiophile/engineer. I said yes, of course. So over a period of many months we drove into San Francisco...
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    Calling S.F. Bay Area Vinyl Lovers

    This is an invite to Bay Area Vinyl lovers to come and hear our reference system and perhaps report their findings back to this forum. Specifically, to hear the new SW1X LPU III Balanced Phono Stage in this context… Please contact me here joe@lotusgroupusa.com May I humbly say that I believe...
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    Listen to the New SW1X LPU III Balanced Phono Stage

    The New LPU III Balanced Phono Stage from SW1X. Balanced = Transformer coupled into and out of the Anode of the Signal Output Tube. Please listen with Headphones. Enjoy!
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    The Three Fundamental Principles of SW1X

    To achieve a high level of performance, equipment must maintain utmost faithfulness to the original signal. No technological sleight of hand can add to it, and the opportunities to degrade it are endless. Three Fundamental Principles Focusing on three fundamental principles, SW1X equipment...
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    SW1X Phono Stages

    I plan to post info about the SW1X LPU phono stages here. Look for Michael Fremer's glowing review in the current issue of Stereophile of the SW1X LPU 1 Special phono stage. Here is a link to a review from 2017 Of the then LPU II. All of the designs have undergone significant upgrades since...
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    Listen to the SW1X DAC V

    Here is the very latest SW1X DAC V with NOS Globe 45 output tubes and pure silver wound output transformers:
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    Dagogo Reviews SW1X DAC III Standard! "The SW1X DAC III is quite simply one of the best DACs I have ever heard, perhaps even the best."

    “The SW1X DAC III is quite simply one of the best DACs I have ever heard, perhaps even the best. If musical engagement factor with digital playback is the metric, then it is far and away the best DAC I have auditioned in my system." Grover Neville Dagogo.com February 2021” "The SW1X has that...
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    Listening Test - New SW1X LPU I Phono Stage

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    SW1X Very Special DAC V In Progress - Photos

    Custom SW1X DAC V with pure silver wound output transformers under construction for our customer.
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    SW1X DAC III Special Listening Test (Video)

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    Listen to the SW1X DAC II Special on The Lotus Group Reference System

    I will be posting 4 videos of the SW1X DAC II Special underneath. Please listen with headphones and remember that you are listening to a recording of a room. If you were in the room you would hear layering and depth and a complete soundstage that cannot be heard on a YouTube video, but still it...
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    SW1X DAC II Standard First Listen

    We have finally had our first opportunity to listen to the SW1X DAC II Standard - our first listen to any SW1X product. My intuition about this designer, Slawa Roschkow, and my willingness to bet on him could not have been more spot on. As you can see from the setup we are using an ordinary Oppo...
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    SW1X DAC II vs. DAC III Listening Test

    The Lotus Group
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    Sigma Delta VS. R2R - SW1X

    Slawa Roschkow of SW1X has chosen the R2R architecture over Sigma Delta. Here are his words on the subject: “It is true, the specs of Delta Sigma (DS) chips may look better on paper. In practice, however, they are incomparable to R2R. The stated accuracy numbers of DS DACs are post modulation...
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    Current SW1X Production

  29. J

    The Lotus Group Now Represents SW1X Audio Design of England

    We are very proud to announce that The Lotus Group now represents SW1X of England. The designer, Slawa Roschkow is a huge proponent of Non oversampling, zero flittering R2R tube DACs. We have made the first sale ever of their Level V DAC. This will be custom DAC V Special with the following...
  30. J

    Inexpensive but powerful upgrade from The Lotus Group

    Hi all. Here is a link to a very powerful upgrade that involves the use of fo.Q TA-102 advanced damping material that we distribute. https://www.lotusgroupusa.com/blog/mishap-equals-opportunity \ It involves applying it to as many electrolytic capacitors in the system as you are willing to...

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