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Lumonic Toroidal transformer 100VA | Primary 230V AC | Secondary 2x 18V AC or 1x 36V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 100VA | Primary 230V AC | Secondary 2x 18V AC or 1x 36V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005396
Model: Lumonic RSO-826028
Current stock: 47
€35.00* incl. VAT plus shipping costs
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€35.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 100VA | Primary 230V AC | Secondary 2x 24V AC or 1x 48V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 100VA | Primary 230V AC | Secondary 2x 24V AC or 1x 48V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005397
Model: Lumonic RTO-826029
Current stock: 36
€32.00* incl. VAT plus shipping costs
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€32.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 100VA | Primary 230V AC | Secondary 2x 115V AC or 1x 230V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 100VA | Primary 230V AC | Secondary 2x 115V AC or 1x 230V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005398
Model: Lumonic RTO-826030
Current stock: 80
€35.00* incl. VAT plus shipping costs
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€35.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 6V AC or 1x 12V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 6V AC or 1x 12V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005399
Model: Lumonic RSO-826036
Current stock: 27
€52.00* incl. VAT plus shipping costs
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€52.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 9V AC or 1x 18V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 9V AC or 1x 18V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005400
Model: Lumonic RSO-826037
Current stock: 18
€52.00* incl. VAT plus shipping costs
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€52.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 12V AC or 1x 24V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 12V AC or 1x 24V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005401
Model: Lumonic RSO-826038
Current stock: 36
€52.00* incl. VAT plus shipping costs
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€52.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 15V AC or 1x 30V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 15V AC or 1x 30V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005402
Model: Lumonic RSO-826039
Current stock: 29
€52.00* incl. VAT plus shipping costs
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€52.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 18V AC or 1x 36V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 18V AC or 1x 36V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005403
Model: Lumonic RSO-826041
Current stock: 27
€56.00* incl. VAT plus shipping costs
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€56.00* incl. VAT plus shipping costs
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Toroidal transformer 200VA 230V 2x24V 48V Lumonic RTO-826040
Toroidal transformer 200VA 230V 2x24V 48V Lumonic RTO-826040
Article-No.: IT-005404
Model: Lumonic RTO-826040
Current stock: 0
€48.00* incl. VAT plus shipping costs
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€48.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 30V AC or 1x 60V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 30V AC or 1x 60V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005405
Model: Lumonic RTO-826042
Current stock: 43
€48.00* incl. VAT plus shipping costs
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€48.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 115V AC or 1x 230V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 200VA | Primary 230V AC | Secondary 2x 115V AC or 1x 230V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005406
Model: Lumonic RTO-826043
Current stock: 28
€48.00* incl. VAT plus shipping costs
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€48.00* incl. VAT plus shipping costs
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Toroidal transformer 230VA 230V 2x12V 24V Lumonic RSO-861757
Toroidal transformer 230VA 230V 2x12V 24V Lumonic RSO-861757
Article-No.: IT-000250
Model: Lumonic RSO-861757
Current stock: 14
€50.00* incl. VAT plus shipping costs
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€50.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 300VA | Primary 230V AC | Secondary 2x 12V AC or 1x 24V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 300VA | Primary 230V AC | Secondary 2x 12V AC or 1x 24V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005407
Model: Lumonic RSO-826050
Current stock: 8
€60.00* incl. VAT plus shipping costs
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€60.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 300VA | Primary 230V AC | Secondary 2x 18V AC or 1x 36V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 300VA | Primary 230V AC | Secondary 2x 18V AC or 1x 36V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005408
Model: Lumonic RSO-826052
Current stock: 30
€72.00* incl. VAT plus shipping costs
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€72.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 300VA | Primary 230V AC | Secondary 2x 24V AC or 1x 48V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 300VA | Primary 230V AC | Secondary 2x 24V AC or 1x 48V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005409
Model: Lumonic RTO-826053
Current stock: 0
€60.00* incl. VAT plus shipping costs
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€60.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 300VA | Primary 230V AC | Secondary 2x 30V AC or 1x 60V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 300VA | Primary 230V AC | Secondary 2x 30V AC or 1x 60V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005410
Model: Lumonic RTO-826054
Current stock: 30
€72.00* incl. VAT plus shipping costs
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€72.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 300VA | Primary 230V AC | Secondary 2x 115V AC or 1x 230V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 300VA | Primary 230V AC | Secondary 2x 115V AC or 1x 230V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005411
Model: Lumonic RTO-826055
Current stock: 10
€60.00* incl. VAT plus shipping costs
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€60.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 500VA | Primary 230V AC | Secondary 2x 12V AC or 1x 24V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 500VA | Primary 230V AC | Secondary 2x 12V AC or 1x 24V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005412
Model: Lumonic RSO-826057
Current stock: 20
€80.00* incl. VAT plus shipping costs
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€80.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 500VA | Primary 230V AC | Secondary 2x 18V AC or 1x 36V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 500VA | Primary 230V AC | Secondary 2x 18V AC or 1x 36V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005413
Model: Lumonic RSO-826058
Current stock: 10
€80.00* incl. VAT plus shipping costs
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€80.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 500VA | Primary 230V AC | Secondary 2x 24V AC or 1x 48V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 500VA | Primary 230V AC | Secondary 2x 24V AC or 1x 48V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005414
Model: Lumonic RTO-826059
Current stock: 17
€80.00* incl. VAT plus shipping costs
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€80.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 500VA | Primary 230V AC | Secondary 2x 30V AC or 1x 60V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 500VA | Primary 230V AC | Secondary 2x 30V AC or 1x 60V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005415
Model: Lumonic RTO-826060
Current stock: 3
€80.00* incl. VAT plus shipping costs
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€80.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 500VA | Primary 230V AC | Secondary 2x 115V AC or 1x 230V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 500VA | Primary 230V AC | Secondary 2x 115V AC or 1x 230V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005416
Model: Lumonic RTO-826061
Current stock: 20
€105.00* incl. VAT plus shipping costs
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€105.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 1000VA | Primary 230V AC | Secondary 2x 12V AC or 1x 24V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 1000VA | Primary 230V AC | Secondary 2x 12V AC or 1x 24V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005417
Model: Lumonic RSO-826070
Current stock: 15
€170.00* incl. VAT plus shipping costs
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€170.00* incl. VAT plus shipping costs
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Lumonic Toroidal transformer 100VA | Primary 230V AC | Secondary 2x 6V AC or 1x 12V AC | Humming arm | Transformer for HiFi audio amplifiers
Lumonic Toroidal transformer 100VA | Primary 230V AC | Secondary 2x 6V AC or 1x 12V AC | Humming arm | Transformer for HiFi audio amplifiers
Article-No.: IT-005392
Model: Lumonic RSO-826024
Current stock: 1
€32.00* incl. VAT plus shipping costs
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€32.00* incl. VAT plus shipping costs
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Toroidal transformer

A toroidal transformer or toroidal transformer is a special type of transformer. Insulated wires are wound around a closed iron core or ferrite core. With toroidal transformers, a primary voltage is transformed into a secondary voltage. Only alternating voltage can be transformed. 
The power is specified in the unit VA (VoltAmpere). Toroidal transformers are more expensive than conventional transformers, but higher efficiencies and lower stray losses can be achieved. 
Especially for audio applications, e.g. in amplifier construction, these transformers are used.
Our toroidal transformers usually have symmetrical output voltages: 2x6V, 2x9V, 2x12V, 2x15V, 2x18V, 2x24V and 2x115V.
In addition to the transformers, we also offer accessories such as inrush current limiters and mounting sets in various diameters.