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1. earfirst-hk.medium.com › diytransformervolumecontrol-7a8cdDIY 一部無源前級 （變壓牛前級） Transformer Volume Control | ...

   earfirst-hk.medium.com › diytransformervolumecontrol-7a8cd

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   2022年3月29日 · TVC, 全名是 Transformer Volume Control, 換句話就是部利用變壓作為衰減的方案，以取代電阻衰減方案。 由變壓牛組成的無源前級，空氣感與透明感會比電阻衰減式更優秀，不過體積大成本高，於一般前級都不常見。 最新推出的前級 LUXMAN CL1000 就正正使用了變壓牛，亦是旗艦級產品。 LUXMAN CL1000旗艦真空管前級. 講起變壓牛，最常見係C...

2. www.sowter.co.uk › transformer-attenuatorsSOWTER TRANSFORMER ATTENUATORS TVC

   www.sowter.co.uk › transformer-attenuators

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   Volume control with full frequency range at all settings. FEATURES Attenuator transformers used in conjunction with a multi position switch provide a high performance stereo volume control function. Sowter proprietary winding technique ensures 100 kHz bandwidth at all switch positions.

   Secondary	Secondary	Secondary
   0 dB	Blue/ Yellow	Clear sleeve
   -2 dB	Yellow	Green sleeve
   -4 dB	White	Green sleeve
   -6 dB	Green	Green sleeve

   在「sowter.co.uk」查看更多資訊

3. 影片

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     1:06

     youtube.com

     MY DIY Transformer Volume Control

     2017年12月13日

     觀看次數：1371

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     1:09

     amazon.com

     Leviton SGVST-W Decora Strauss Transformer, Free Volume Control, White

     2010年5月19日

     觀看次數：57

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     18:49

     youtube.com

     Transformer volume control: suitable for solid state amplifiers? (AVC / TVC)

     2021年9月13日

     觀看次數：2888

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4. www.hificollective.co.uk › transformers › glasshouseE/I Transformer Volume Control MK2 (TVC) | HIFICollective

   www.hificollective.co.uk › transformers › glasshouse

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   To control the transformer, you will need a 2-pole, 23-position or 24-way selector, and we sell several types, click HERE to see the choices. The measured THD and noise is a very low 0.023%, as measured in our kit. Each step of the TVC transformer is 2dB, so you will get significant control over the full range. These transformers are sold in pairs.

5. www.diyaudio.com › community › threadsTransformer volume control - TVC by dvb | diyAudio

   www.diyaudio.com › community › threads

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   2023年8月10日 · This stereo 23 steps transformer volume control is a 6th generation proprietary design. Its primary function is line level control volume but contains such a high quality permalloy that you can use it also - inverting cables in the back - as fixed step-up line level transformer or adaptable to DAC stages or MC step-up for moving coil cartridges!!!

6. www.youtube.com › watchTransformer volume control: suitable for solid state ...

   www.youtube.com › watch

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   2021年9月13日 · Transformer volume control: suitable for solid state amplifiers? (AVC / TVC) Real World Audio. 3.39K subscribers. 56. 1.9K views 1 year ago. Requirements: -Reasonable input impedance -Decent...

   • 影片時長: 19 分鐘
   • 觀看人次: 2.9K

   • 作者: Real World Audio

7. 其他人也問了

   How do I control a TVC transformer?

   • To control the transformer you will need a 2 pole, 23 position or 24 way selector, we sell several types, click HERE to see the choices. The measured THD and noise is a very low 0.023%, as measured in our kit. Each step of the TVC transformer is 2dB, so you will get great control over the full range. These transformers are sold in pairs.

   E/I Transformer Volume Control MK2 (TVC) | Hifi Collective

   www.hificollective.co.uk/transformers/glasshouse/glasshouse-ei-tvc.html

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   How to control a transformer?

   • The control of the transformer itself requires minimal force, and allows for using a direct electronic control. Innas passed the most critical development stages for the transformer. The basic principle was proven in a bent axis design, followed by prototypes on basis of the efficient and low noise Floating Cup design.

   INNAS - Hydraulic Transformer

   www.innas.com/hydraulic-transformer.html

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   How many PCs are in the Silk transformer volume control sta-522a?

   • set of 2 pcs. We are exciting to announce the availability of the new SILK Transformer Volume Control STA-522A. This new attenuator extends the sound performance of its very successful predecessor by adopting the newest development of Supermalloy core with even higher permeability and lower loss.

   Silk Audio 23 step supermalloy TVC - Acoustic-Dimension

   www.acoustic-dimension.com/transformer/silk-audio-23-step-tvc-main-page.htm

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   What is an attenuator transformer?

   • FEATURES Attenuator transformers used in conjunction with a multi position switch provide a high performance stereo volume control function. Sowter proprietary winding technique ensures 100 kHz bandwidth at all switch positions.

   SOWTER TRANSFORMER ATTENUATORS TVC

   www.sowter.co.uk/transformer-attenuators.php

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8. menclub.hk › hobby › 17353【影音入門】前級分類之有源前級和無源前級簡介 - Menclub

   menclub.hk › hobby › 17353

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   於是乎無源前級還出現了另一種TVC (Transformer Volume Control) 就是不用接電源的前級，用變壓器的方式做訊號放大，此種無源前級除了先前提到的元件質素好壞外，還需要有好的變歷器 (牛) ，因為不同的牛對聲音出來都有不同的影響，然而，小編個人認為聽過最好的無源前級都是這類TVC的無源前級。 只要用對了品牌,TVC的無源前級就有超級的好聲出來，例如是來自英國的Bespoke無源前級…. 當然假如你想試玩無源前級有兩個重點你需要留意，第一是訊源的電平輸出，不過不用太擔心除非你的訊源是玩LP，否則一般的CD或新型播放機的輸出電平都應足夠推動，故這個問題在現今的影音產品下已不再是一個問題，另一個問題就是匹配的問題。 在你購買無源前級時，就要先查核計算一下你使用後級的抗阻。

9. www.acoustic-dimension.com › transformer › silk-audio-23-step-tvc-mainSilk Audio 23 step supermalloy TVC - Acoustic-Dimension

   www.acoustic-dimension.com › transformer › silk-audio-23-step-tvc-main

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   Silk Audio 23 step Transformer Volume Control, Supermalloy SQ annealed core, high purity silver plated/Teflon lead out wires, beautiful stainless 5x7cm can with mounting brackets. NEW! Premium core offers +40% increase in permeability with even lower hysteresis.. The new core has almost double the permeability !

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