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Repair an audio transformer and now ... - Antique Radio Forums
https://antiqueradios.com/forums/viewtopic.php?t=392289
Post subject: Re: Attempting to repair an audio output transformer. Posted: Feb Thu 18, 2021 1:19 am . Member: Joined: Oct Wed 14, 2009 6:36 am Posts: 6755 Location: New York USA Jim Dutridge wrote: I have no setup like that to attempt a rewind. When rewind anything it's a coil with a simple old handheld drill.
Repairing Vintage Output Transformers? | Telecaster …
https://www.tdpri.com/threads/repairing-vintage-output-transformers.193838/
Feb 15, 2009. Location: UK. The amp is a 1949 Deluxe and comes with 4 transformers, two are newer and are installed while there are also two Chicago Standard older ones. The newer power transformer was surplied by Torres and the output transformer has the EIA code 989 Marvel Electric from 2004.
Output Transformer & Choke
http://bustedgear.com/repair_Marshall_DSL100_transformers.html
the. Repair. Output Transformer & Choke. In this job, a JCM2000-Series Marshall amplifier gets an output-transformer upgrade and a power-supply choke it never had. These are the parts we installed into this DSL100 model amp: Output Transformer: Mercury Magnetics Axiom MAR100-OM (photo left) Choke: Mercury Magnetics MAR100-C.
Thordarson Audio Output Transformer Amplifier Project ...
https://reverb.com/item/414032-thordarson-audio-output-transformer-amplifier-project-parts-repair-modded-restoration-upgrade-custom
About This Listing. Thordarson Audio Output Transformer Amplifier Project Parts Repair Modded Restoration upgrade custom. This item was sourced from a Revere tube amplifier that got parted out. Payment & Returns.
UK Vintage Radio Repair and Restoration - Audio Output Stages
https://www.vintage-radio.com/repair-restore-information/valve_output-stages.html
Audio Output Stages . The vast majority of sets will use a Class A output stage, with a single valve driving the output transformer. The output valve is normally a pentode or beam tetrode. Power triodes were used in early battery sets and high quality mains sets …
Audio Output Transformers - Parts Express
https://www.parts-express.com/battery-power/power-audio-transformers/audio-output-transformers
Audio Output Transformers at Parts Express. Choose from brands like Hammond designed for push-pull audio tube output circuits & ultra-linear operation. 25W, 60W.
Rewinding Audio Coupling Transformers - WordPress.com
https://nzvrshome.files.wordpress.com/2018/10/rewinding-audio-coupling-transformers.pdf
Interstage audio transformers are the most unreliable component encountered in the repair and restoration of early radio equipment. Used in practically every pre-1930 radio, their mortality rate from corroded windings was extremely high, and few receivers will be found with their original transformers intact. But like output transformers, they ...
Audio Transformer Substitutes - Radio Museum
https://www.radiomuseum.org/forum/audio_transformer_substitutes.html
Exact replacements for audio output transformers in old tube radios are often hard to find. Some of the problem is that there is some competition on the market from the audiophile world. But there is a general purpose multi-Impedance transformer type that has not been "discovered", and is easy to find at modest prices and in new production.
AUDIO TRANSFORMER DESIGN FOR TUBE AMPLIFIER WITH …
http://www.standardsuniversity.org/wp-content/uploads/audio_transformer_design_tube_amplifier_pichkalyov_final_paper.pdf
OUTPUT AUDIO TRANSFORMER DESIGN The output transformer in a single-ended tube amplifier is the device which matches the high-output impedance of the tube to the low input impedance of the speaker load (4, 8 or 16 Ohm). To design an output transformer, it is necessary to determine the output power according to the tubess characteristics, most ...
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