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Toroidy transformers | diyAudio
https://www.diyaudio.com/community/threads/toroidy-transformers.349915/
The current transformers made from Toroidy for SE applications are indistinguishable from the "Hi-end" Audio line from hammond, (TTG-EL34 vs a 1629SEA) both in UL, triode and pentode configuration using the taps according to a ~3.5K and ~7k (yes I used first the common nominal connection and then switched the output tap to reflect ~7k primary, then …
TTG-GM70SE - Tube output transformer [7kOhm] GM70 SE ...
https://sklep.toroidy.pl/en_US/p/-TTG-GM70SE-Tube-output-transformer-7kOhm-GM70-SE/613
Toroidal: Ultralinear tap---CFB Windings % Ra: Nominal Power: 50W: Nominal anode current: 150mA: Frequency bandwidth (-3dB) 18Hz-36kHz: Secondary Impedance: 4 and 8 Ω: Primary Impedance: 7,0 kΩ: Turns Ratio (Np:Ns) 41,83:1 (4Ω) , 29,58:1 (8Ω) Primary Inductance Lp: 65H: Primary Leakage Inductance Lsp: 12mH: Total Primary DC Resistance: 340 Ω: Dimensions …
TorAudio
https://toraudio.com/main.html?v=13
Toroidal Audio Transformers The most critical part in the tube amplifier is a sound transformer. We decided to use such exotic things as toroidal audio transformers. This is the most complicated part, toroidal transformers take approximately 80% of the time required for the manufacturing of the device, but they sound great. Triodes
Valve Amps: Output transformers - Lenard Audio
https://education.lenardaudio.com/en/14_valve_amps_5.html
But, a toroidal core can easily saturate at low frequencies creating intolerable distortion. Therefore, the mass of the toroidal core has to be larger than a conventional E I tranny (for the same power) to avoid any chance of saturating the core. Toroidal cores are un-forgiving of any DC or AC audio imbalance in the primary windings.
Toroid – Transforming the Transformer Market
Engineers in a broad range of industries have discovered the performance advantages of our toroidal power transformers. Our transformers are used in a variety of industries: medical electronics, test and measurement systems, industrial control panels, data communications, motor controls, light fixtures, audio systems, robotics, UPS, and avionics.
VM Cartridges - Audio-Technica
https://www.audio-technica.com/media/wysiwyg/product/pdfs/eu/VM_Cartridges_EN.pdf
Audio-Technica’s first products, the AT-1 and the AT-3 stereo cartridges. AT35X An early model of the AT35X, the origin of the VM cartridge, which received patents worldwide. AT25 The AT25, an integral structured body housing a VM cartridge. Features the newly developed toroidal power system. AT120E/G Launch of the AT100 series VM cartridges.
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