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Primary Windings

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Trading as PRIMARY WINDINGS LTD, registered at Companies House number 14721069.

What we have checked

Every brand here has to clear one test before it is listed at all: the company is a UK legal entity with real activity here. That is a question about the business, and it is deliberately not the same question as where any individual product is made.

• uk registered entity: Companies House record resolves, status active. Number published by the company at https://primarywindings.com. Source, checked 2026-08-29.
• uk hq: Registered office is a UK address: 61 Windsor Road, Chichester, PO19 7XG. This is the registered office, which is not necessarily where the company operates. Source, checked 2026-08-29.

We have only checked company registration so far. Evidence of UK employment or a UK site is the next thing we intend to gather, and until we have it we say so on every product rather than implying it.

What they make

85 products listed. 85 don't say where they are made, so neither do we.

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  5 way terminal protectorsPrimary Windings£3.47♥Save
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  6 way terminal protectorsPrimary Windings£4.02♥Save
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  Amp Maker 4W Push Pull Output transformerPrimary Windings£19.91♥Save
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  20 Henry 50mA DC ChokePrimary Windings£26.48♥Save
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  10 Henry 100mA DC ChokePrimary Windings£27.87♥Save
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  European mains voltage selector modulePrimary Windings£29.40♥Save
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  PWGP25-120V: 25VA 2 x 120V @ 0.11APrimary Windings£35.85♥Save
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  PWGP25-18V: 25VA 2 x 18V @ 0.7APrimary Windings£35.85♥Save
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  PWGP25-14V: 25VA 2 x 14V @ 0.9APrimary Windings£35.85♥Save
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  PWGP25-12V: 25VA 2 x 12V @ 1APrimary Windings£35.85♥Save
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  PWGP25-10V: 25VA 2 x 10V @ 1.25APrimary Windings£35.85♥Save
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  PWGP25-8V: 25VA 2 x 8V @ 1.6APrimary Windings£35.85♥Save
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  PWGP25-6V3: 25VA 2 x 6.3V @ 2APrimary Windings£35.85♥Save
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  PWGP25-5V: 25VA 2 x 5V @ 2.5APrimary Windings£35.85♥Save
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  250V 100mA 6.3V 2A CT HT Valve transformerPrimary Windings£37.17♥Save
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  Small 250V 40mA 6.3V 1.5A CT HT Valve transformerPrimary Windings£37.85♥Save
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  Small 200V 50mA 6.3V 1.5A CT HT Valve transformerPrimary Windings£37.85♥Save
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  Amp Maker 5W Single Ended Output transformerPrimary Windings£38.52♥Save
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  10W 5000 Ohms Single ended Output transformerPrimary Windings£39.83♥Save
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  Amp Maker PWAM03D 190V – 0 – 190V @ 80mA 6.3V @ 2APrimary Windings£40.14♥Save
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  10 Henry 180mA DC Choke (Mullard 5-20)Primary Windings£41.55♥Save
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  AMP MAKER 15W Single Ended Output transformerPrimary Windings£46.45♥Save
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  Amp Maker PWAM01 275V-190V@ 160mA 6.3V@3APrimary Windings£47.79♥Save
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  PWHT05 250V @80mA 6.3V @ 2A Pre-amp RIAA valve transformerPrimary Windings£50.45♥Save
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  PWGP43-120V: 43VA 2 x 120V @ 0.19APrimary Windings£51.78♥Save
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  PWGP43-18V: 43VA 2 x 18V @ 1.2APrimary Windings£51.78♥Save
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  PWGP43-14V: 43VA 2 x 14V @ 1.5APrimary Windings£51.78♥Save
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  PWGP43-12V: 43VA 2 x 12V @ 1.8APrimary Windings£51.78♥Save
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  PWGP43-10V: 43VA 2 x 10V @ 2.2APrimary Windings£51.78♥Save
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  PWGP43-8V: 43VA 2 x 8V @ 2.7APrimary Windings£51.78♥Save
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  PWGP43-6V3: 43VA 2 x 6.3V @ 3.4APrimary Windings£51.78♥Save
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  PWGP43-5V: 43VA 2 x 5V @ 4.3APrimary Windings£51.78♥Save
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  Amp Maker 18W Push Pull output transformerPrimary Windings£51.78♥Save
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  PWHT01 – Dual 250V 80mA, 6.3V Centre tapped 2A and 5V 2A HT Valve transformerPrimary Windings£51.78♥Save
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  PWHT02 – Dual 250V 80mA, 6.3V Centre tapped 2A and 6.3V 2A HT Valve transformerPrimary Windings£51.78♥Save
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  Single ended 3.5W 25K Output transformerPrimary Windings£52.75♥Save
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  EL84 Single ended 3.5W Output transformer (Mullard 3-3)Primary Windings£53.10♥Save
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  PWHT04 300V @ 320mA, 6.3V @ 3APrimary Windings£53.10♥Save
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  PWGP75-14V: 75VA 2 x 14V @ 2.7APrimary Windings£55.77♥Save
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  PWGP75-10V: 75VA 2 x 10V @ 3.75APrimary Windings£55.77♥Save
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  PWGP75-8V: 75VA 2 x 8V @ 4.8APrimary Windings£55.77♥Save
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  PWGP75-6V3: 75VA 2 x 6.3V @ 6APrimary Windings£55.77♥Save
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  PWGP75-5V: 75VA 2 x 5V @ 4.3APrimary Windings£55.77♥Save
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  PWGP75-120V: 75VA 2 x 120V @ 0.312APrimary Windings£67.23♥Save
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  PWGP75-18V: 75VA 2 x 18V @ 2APrimary Windings£67.23♥Save
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  PWGP75-12V: 75VA 2 x 12V @ 3.12APrimary Windings£67.23♥Save
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  Mullard 3-3 Mono Mains transformer 600V CT @ 80mA 2 x 6.3V @ 1APrimary Windings£67.76♥Save
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  3500 Ohm Single ended 10W Output transformer (KT88 or similar)Primary Windings£68.49♥Save
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  5 Henry 200mA DC ChokePrimary Windings£77.97♥Save
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  EL84 Push-Pull 10W Output transformer 6600 Ohms 20% UL taps (Mullard 5-10)Primary Windings£80.97♥Save
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  EL84 Push-Pull 10W Output transformer 8000 Ohms 43% UL taps (Mullard 5-10)Primary Windings£82.56♥Save
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  25W 8000 Ohms Ultra Linear Push Pull Output transformerPrimary Windings£91.05♥Save
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  25W 4000 Ohms Ultra Linear Push Pull Output transformerPrimary Windings£91.05♥Save
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  25W 7600 Ohms Ultra Linear Push Pull Output transformerPrimary Windings£91.05♥Save
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  25W 2500 Ohms Ultra Linear Push Pull Output transformerPrimary Windings£91.05♥Save
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  25W 1600 Ohms Ultra Linear Push Pull Output transformerPrimary Windings£91.05♥Save
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  25W 3400 Ohms Ultra Linear Push Pull Output transformerPrimary Windings£91.05♥Save
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  25W 5000 Ohms Ultra Linear Push Pull Output transformerPrimary Windings£91.05♥Save
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  25W 6600 Ohms Ultra Linear Push Pull Output transformerPrimary Windings£91.05♥Save
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  10 Henry 200mA DC ChokePrimary Windings£95.17♥Save
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  High bandwidth MC step up transformer with selectable ratio.Primary Windings£98.50♥Save
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  Mains transformer 300-0-300V @100mA 6.3V@1A 6.3V@2A CT (Mullard 5-10 Mono or 3-3 Stereo)Primary Windings£102.17♥Save
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  30W 6600 Ohms Ultra Linear Push Pull Output transformerPrimary Windings£110.05♥Save
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  Mullard 3-3 Mono Magnetics kitPrimary Windings£112.83♥Save
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  PWHT2025 – 180V @ 200mA, 11.6V CT @ 2APrimary Windings£128.52♥Save
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  PWHT2021 – 290V @ 250mA, 6.3V CT @ 4APrimary Windings£128.52♥Save
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  PWHT2022 – 300V @ 150mA, 15V @ 1APrimary Windings£128.52♥Save
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  PWHT2301 – 360V CT @ 250mA, 10.9V @ 2.5APrimary Windings£131.04♥Save
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  PWHT2034 – 290V @ 150mA, 15V @ 2A, 6.3V @ 2APrimary Windings£132.30♥Save
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  PWHT2306 – 280V CT @ 200mA, 30V @ 10mA, 6.3V CT @ 4APrimary Windings£134.82♥Save
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  PWHT2013 – 510V CT @ 125mA, 6.3V CT @ 4APrimary Windings£134.82♥Save
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  PWHT2001 – 500V CT @ 100mA, 6.3V CT @ 1A, 5V @ 2APrimary Windings£143.64♥Save
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  PWHT2012 – 350V CT @ 100mA, 6.3V CT @ 2A, 5V @ 2APrimary Windings£144.90♥Save
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  Mains transformer Mullard 5-10 Stereo – 600V @200mA CT, 6.3V @4A and 6.3V/5V @ 2APrimary Windings£146.01♥Save
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  PWHT2014 – 600V CT @ 75mA, 6.3V CT @ 3A, 5V @ 2APrimary Windings£147.42♥Save
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  5000 Ohms 20W Single ended Output transformerPrimary Windings£167.27♥Save
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  3500 Ohms 20W Single ended Output transformer (300B)Primary Windings£167.27♥Save
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  Mains transformer Mullard 5-20 MonoPrimary Windings£168.58♥Save
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  PWHT2033 – 760V CT @ 200mA, 6.3V @ 5A, 5V @ 3APrimary Windings£173.37♥Save
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  PWHT2008 – 600V CT @ 200mA, 6.3V @ 4A, 5V @ 3APrimary Windings£173.37♥Save
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  PWHT2007 – 550V CT @ 200mA, 6.3V @ 6A, 5V @ 3APrimary Windings£173.37♥Save
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  PWHT2144 – 760V – 640V CT @ 200mA, 6.3V CT @ 3.5A, 5V @ 3APrimary Windings£190.92♥Save
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  Mullard 5-10 Mono magnetic kitPrimary Windings£205.74♥Save
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  PWHT2214 – 720V CT @ 400mA + 70V bias, 6.3V CT @ 4A, 6.3V CT@ 4APrimary Windings£224.94♥Save
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  PWHT2010 – 750V CT @ 175mA, 6.3V CT @ 6A, 5V CT@ 3APrimary Windings£224.94♥Save