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Toroidal Transformers

A toroidal transformer is a special type of transformer. Insulated wires are wound around a closed ferrite core. With toroidal transformers, a primary voltage is transformed into a secondary voltage. Only AC voltage can be transformed.
The power is indicated in unit VA (VoltAmpere). Toroidal transformers are more expensive than conventional transformers, but higher efficiencies and lower scatter losses can be achieved.
Especially in audio applications, e.g. in amplifiers, these transformers are specifically used.
Our 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 different diameters.

Toroidal Transformer 15VA 230V -> 2x9V / 1x18V ; Sedlbauer, RSO-825001
 
21.00 *
 
21.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 15VA 230V -> 2x12V / 1x24V ; Sedlbauer, RSO-825002
 
21.00 *
 
21.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 15VA 230V -> 2x15V / 1x30V ; Sedlbauer, RSO-825003
 
21.00 *
 
21.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 15VA 230V -> 2x18V / 1x36V ; Sedlbauer, RSO-825004
 
21.00 *
 
21.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 30VA 230V -> 2x9V / 1x18V ; Sedlbauer, RSO-825007
 
27.00 *
 
27.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 30VA 230V -> 2x12V / 1x24V ; Sedlbauer, RSO-825008
 
27.00 *
 
27.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 30VA 230V -> 2x15V / 1x30V ; Sedlbauer, RSO-825009
 
27.00 *
 
27.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 30VA 230V -> 2x18V / 1x36V ; Sedlbauer, RSO-825010
 
27.00 *
 
27.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 50VA 230V -> 2x6V / 1x12V ; Sedlbauer, RSO-825012
 
30.00 *
 
30.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 50VA 230V -> 2x9V / 1x18V ; Sedlbauer, RSO-825013
 
30.00 *
 
30.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 50VA 230V -> 2x12V / 1x24V ; Sedlbauer, RSO-825014
 
30.00 *
 
30.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 50VA 230V -> 2x15V / 1x30V ; Sedlbauer, RSO-825015
 
30.00 *
 
30.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 50VA 230V -> 2x18V / 1x36V ; Sedlbauer, RSO-825016
 
30.00 *
 
30.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 75VA 230V -> 2x9V / 1x18V ; Sedlbauer, RSO-825019
 
30.00 *
 
30.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 75VA 230V -> 2x12V / 1x24V ; Sedlbauer, RSO-825020
 
33.00 *
 
33.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 75VA 230V -> 2x15V / 1x30V ; Sedlbauer, RSO-825021
 
33.00 *
 
33.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 75VA 230V -> 2x18V / 1x36V ; Sedlbauer, RSO-825022
 
33.00 *
 
33.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 75VA 230V -> 2x22V / 1x44V ; Sedlbauer, RSO-825023
 
33.00 *
 
33.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 100VA 230V -> 2x6V / 1x12V ; Sedlbauer, RSO-825024
 
36.00 *
 
36.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 100VA 230V -> 2x9V / 1x18V ; Sedlbauer, RSO-825025
 
36.00 *
 
36.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 100VA 230V -> 2x12V / 1x24V ; Sedlbauer, RSO-825026
 
36.00 *
 
36.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
nur noch 8 verfügbar
zum Artikel
Toroidal Transformer 100VA 230V -> 2x15V / 1x30V ; Sedlbauer, RSO-825027
 
36.00 *
 
36.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 100VA 230V -> 2x18V / 1x36V ; Sedlbauer, RSO-825028
 
36.00 *
 
36.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 150VA 2x115V -> 2x6V / 1x12V ; Sedlbauer, RSO-825030
 
50.00 *
 
50.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
nur noch 5 verfügbar
zum Artikel
Toroidal Transformer 150VA 2x115V -> 2x9V / 1x18V ; Sedlbauer, RSO-825031
 
50.00 *
 
50.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
nur noch 5 verfügbar
zum Artikel
Toroidal Transformer 150VA 2x115V -> 2x12V / 1x24V ; Sedlbauer, RSO-825032
 
50.00 *
 
50.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
nur noch 6 verfügbar
zum Artikel
Toroidal Transformer 150VA 2x115V -> 2x15V / 1x30V ; Sedlbauer, RSO-825033
 
50.00 *
 
50.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
nur noch 4 verfügbar
zum Artikel
Toroidal Transformer 150VA 2x115V -> 2x18V / 1x36V ; Sedlbauer, RSO-825034
 
50.00 *
 
50.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
nur noch 5 verfügbar
zum Artikel
Toroidal Transformer 200VA 2x115V -> 2x9V / 1x18V ; Sedlbauer, RSO-825037
 
55.00 *
 
55.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
Toroidal Transformer 200VA 2x115V -> 2x12V / 1x24V ; Sedlbauer, RSO-825038
 
55.00 *
 
55.00 *
incl. VAT plus shipping

Power: 15 30 50 75 100 150 200 300 500 750 1000 2000
Output Voltage: 2x6V 2x9V 2x12V 2x15V 2x18V 2x22V 2x30V 2x115V
In stock (Delivery 2-3 days)
zum Artikel
 

A toroidal transformer is a special type of transformer. Insulated wires are wound around a closed ferrite core. With toroidal transformers, a primary voltage is transformed into a secondary voltage. Only AC voltage can be transformed.
The power is indicated in unit VA (VoltAmpere). Toroidal transformers are more expensive than conventional transformers, but higher efficiencies and lower scatter losses can be achieved.
Especially in audio applications, e.g. in amplifiers, these transformers are specifically used.
Our 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 different diameters.

* prices including VAT and plus shipping costs Shipping costs
1Originally price, 2Recommended retail price
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