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Description |
Downloads |
Specs |
Ordering |
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M5525C |
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- Each toroidal is supplied with 2 x rubber spacing washers, 1 x steel dished washer, 1 x mounting bolt, 1 x nut (except PCB mount versions).
- Lower electrically induced noise demanded by compact equipment.
- High efficiency enabling conservative rating whilst maintaining size advantages.
- The toroidal transformer is accepted as the industry standard, replacing the laminated type as toroidal transformers offer advantages in size, weight, and lower radiated field.
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25+25V 300VA toroidal transformer. |
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MB1140 |
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 100% developed, designed & assembled in Australia.
- Since 1976 Redback PA products have been manufactured in Perth, Western Australia by Altronics. With over 40 years experience in the commercial audio industry, we offer consultants, installers and end users reliable products of high build quality with local product support. Read more about our Australian Made products
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Designed to allow 8 ohm speakers to be utilised in a 100V line public address speaker system. Ideal for converting existing systems to 100V line or where 8 ohm speakers have been specified for a PA installation. |
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M4318 ROHS
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- Sec. V: 9+9
- Sec. Parallel: 1.1A
- Sec. Series: 0.5A
- Primary voltage: 2 x 120V AC
- Total VA rating: 10VA
- Insulation: Class A (105°C)
- Magnetising current: <20mA
- Temperature rise: <65°C
- Recommended AC Fuse: 100mA
- Regulation: ˜20%
- Weight: ˜210g
- PCB hole size: 2mm
- AS/NZS 61558.2.6 approval: Q99396
- Note: Must be used with a standard 100mA external AC fuse
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Toroidal transformers provide a higher output compared to traditional E-I transformers of a similar physical size. They have substantially reduced radiated hum and electrical noise, generate less heat and have much better regulation making them ideal for |
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M4312 |
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- Sec. V: 6+6
- Sec. Parallel: 1.67A
- Sec. Series: 0.83A
- Primary voltage: 2 x 120V AC
- Total VA rating: 10VA
- Insulation: Class A (105°C)
- Magnetising current: <20mA
- Temperature rise: <65°C
- Recommended AC Fuse: 100mA
- Regulation: ˜20%
- Weight: ˜210g
- PCB hole size: 2mm
- AS/NZS 61558.2.6 approval: Q99396
- Note: Must be used with a standard 100mA external AC fuse
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Toroidal transformers provide a higher output compared to traditional E-I transformers of a similar physical size. They have substantially reduced radiated hum and electrical noise, generate less heat and have much better regulation making them ideal for |
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M2853L |
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- Primary voltage: 240V AC
- Total VA rating: 6.3VA
- Insulation: Class E (120°C)
- Magnetising current: <45mA
- Temperature rise: <65°C
- Regulation: ˜13%
- Recommended AC fuse: 100mA
- Weight: ˜315g
- Primary connection: 200mm fly leads
- Secondary connection: 200mm fly leads
- AS/NZS 61558.2.6 approval: Q042028
- AS3108 approval: CS/813/Q
- Secondary Voltages Available: Voltage : 6.3V, 12.6V / Current : 300mA
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Primary and secondary fitted with 200mm fly leads. |
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M1160 |
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- Power taps: 50, 100, 200, 300W
- Dimensions: 115 x 60mm
- Frequency response: 40Hz - 20kHz ±3dB
- Fly lead length: 200mm
- Efficiency: 90%
- Insertion loss: 0.8dB max.
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These high power, high efficiency toroidal transformers are designed for matching 8 ohm speakers to 100V line amplifier systems. |
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M5725C |
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- Lower electrically induced noise demanded by compact equipment.
- High efficiency enabling conservative rating whilst maintaining size advantages.
- The toroidal transformer is accepted as the industry standard, replacing the laminated type as toroidal transformers offer advantages in size, weight, and lower radiated field.
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Toroidal transformers are becoming increasingly popular due to their improved magnetic properties and also that they can be made to a lower profile than a standard solenoid core transformer, allowing for equipment of similar power to be of a lower profile such as rack mounted devices. |
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M1124A |
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- For 100V line use, connect in series, ie. join pink & yellow. Use purple & brown.
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High power toroidal transformer for audio use. Input and output windings can be reversed. |
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M4915C |
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- Supplied with 1 rubber washer, bolt and nut.
- Lower electrically induced noise demanded by compact equipment.
- High efficiency enabling conservative rating whilst maintaining size advantages.
- The toroidal transformer is accepted as the industry standard, replacing the laminated type as toroidal transformers offer advantages in size, weight, and lower radiated field.
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These 30VA transformers will fit inside our 1 Unit 19" rack cases. |
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M7264 ROHS
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- Primary voltage: 230V AC or 240V AC @ 50Hz
- Total VA Rating: 10VA
- Insulation: Class A (105°C)
- Magnetising Current: <30mA
- Temperature Rise: <65°C
- Regulation: 11%
- Weight: 250g
- PCB Hole Size: 1.2mm
- Secondary Voltage: 12 + 12
- Parallel : 0.83A
- Series: 0.41A
- Standard AS/NZS 61558.2.6 Certified
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Manufactured using very high quality grain oriented silicon steel. This results in a compact, high performance, high output transformer. |
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M7012A ROHS
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- Sec. V: 6+6
- Sec. Parallel: 0.5A
- Sec. Series: 0.25A
- Primary voltage: 230V AC or 240V AC @ 50Hz
- Total VA rating: 3VA
- Insulation: Class B (130°C)
- Magnetising current: <20mA
- Temperature rise: <65°C
- Regulation: ˜23%
- Weight: ˜95g
- PCB hole size: 0.8mm
- Thermal Fuse: Internal 115°C
- Standard AS/NZS 61558.2.6 Certified
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Manufactured using very high quality grain oriented silicon steel. This results in a compact, high performance, high output transformer. |
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M5012C |
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- Each toroidal is supplied with 2 x rubber spacing washers, 1 x steel dished washer, 1 x mounting bolt, 1 x nut (except PCB mount versions).
- Lower electrically induced noise demanded by compact equipment.
- High efficiency enabling conservative rating whilst maintaining size advantages.
- The toroidal transformer is accepted as the industry standard, replacing the laminated type as toroidal transformers offer advantages in size, weight, and lower radiated field.
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Low profile design suitable for use inside our 1RU 19" rack enclosures. |
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M5512C |
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- Each toroidal is supplied with 2 x rubber spacing washers, 1 x steel dished washer, 1 x mounting bolt, 1 x nut (except PCB mount versions).
- Lower electrically induced noise demanded by compact equipment.
- High efficiency enabling conservative rating whilst maintaining size advantages.
- The toroidal transformer is accepted as the industry standard, replacing the laminated type as toroidal transformers offer advantages in size, weight, and lower radiated field.
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Efficient toroidal transformer with 12V secondaries. 300VA rated.
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M5730C |
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- Lower electrically induced noise demanded by compact equipment.
- High efficiency enabling conservative rating whilst maintaining size advantages.
- The toroidal transformer is accepted as the industry standard, replacing the laminated type as toroidal transformers offer advantages in size, weight, and lower radiated field.
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Toroidal transformers are becoming increasingly popular due to their improved magnetic properties and also that they can be made to a lower profile than a standard solenoid core transformer, allowing for equipment of similar power to be of a lower profile such as rack mounted devices. |
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M1140 |
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- Power taps: 25, 50, 70, 100W
- Dimensions: 103 x 45mm
- Frequency response: 40Hz - 20kHz ±3dB
- Fly lead length: 200mm
- Efficiency: 90%
- Insertion loss: 0.8dB max.
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These high power, high efficiency toroidal transformers are designed for matching 8 ohm speakers to 100V line amplifier systems. |
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M5312C |
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- Each toroidal is supplied with 2 x rubber spacing washers, 1 x steel dished washer, 1 x mounting bolt, 1 x nut (except PCB mount versions).
- Lower electrically induced noise demanded by compact equipment.
- High efficiency enabling conservative rating whilst maintaining size advantages.
- The toroidal transformer is accepted as the industry standard, replacing the laminated type as toroidal transformers offer advantages in size, weight, and lower radiated field.
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Note: Must be used with a 3A external AC fuse. |
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M5535C |
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- Each toroidal is supplied with 2 x rubber spacing washers, 1 x steel dished washer, 1 x mounting bolt, 1 x nut (except PCB mount versions).
- Lower electrically induced noise demanded by compact equipment.
- High efficiency enabling conservative rating whilst maintaining size advantages.
- The toroidal transformer is accepted as the industry standard, replacing the laminated type as toroidal transformers offer advantages in size, weight, and lower radiated field.
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Efficient toroidal transformer with 35V secondaries. 300VA rated.
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M4615 |
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Toroidal transformers provide a higher output compared to traditional E-I transformers of a similar physical size. They have substantially reduced radiated hum and electrical noise, generate less heat and have much better regulation making them ideal for |
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M0440 |
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- Primary Taps:
0V, 4.2V, 9.7V, 16.2V,
32.5V, 51.2V, 100V.
- Frequency Response:
70Hz - 18kHz
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Used with 100v or 70V line PA systems. This enables the user to tap from the line the required level. Taps are spaced in 4.5db steps. Power rating 40 watts RMS. |
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M1124 |
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- For 100V line use, connect in series, ie. join blue & yellow. Use grey & brown.
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High power toroidal transformer for audio use. Input and output windings can be reversed or be configured differently i.e. Input windings series connected for 100V and output windings paralleled for 4 Ohm. |
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M4925C |
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- Supplied with 1 rubber washer, bolt and nut.
- Lower electrically induced noise demanded by compact equipment.
- High efficiency enabling conservative rating whilst maintaining size advantages.
- The toroidal transformer is accepted as the industry standard, replacing the laminated type as toroidal transformers offer advantages in size, weight, and lower radiated field.
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These 30VA transformers will fit inside our 1 Unit 19" rack cases.
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M4918C |
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- Supplied with 1 rubber washer, bolt and nut.
- Lower electrically induced noise demanded by compact equipment.
- High efficiency enabling conservative rating whilst maintaining size advantages.
- The toroidal transformer is accepted as the industry standard, replacing the laminated type as toroidal transformers offer advantages in size, weight, and lower radiated field.
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Low profile design suitable for use inside our 1RU 19"rack enclosures. Potted epoxy centre core for easy mounting. |
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M7064A ROHS
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- Sec. V: 12+12
- Sec. Parallel: 0.416A
- Sec. Series: 0.208A
- Primary voltage: 230V AC or 240V AC @ 50Hz
- Total VA rating: 5VA
- Insulation: Class B (130°C)
- Magnetising current: <30mA
- Temperature rise: <65°C
- Regulation: 20%
- Weight: 175g
- PCB hole size: 1mm
- Thermal Fuse: Internal 115°C
- Standard AS/NZS 61558.2.6 Certified
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Manufactured using very high quality grain oriented silicon steel. This results in a compact, high performance, high output transformer. |
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M5318C |
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- Each toroidal is supplied with 2 x rubber spacing washers, 1 x steel dished washer, 1 x mounting bolt, 1 x nut (except PCB mount versions).
- Lower electrically induced noise demanded by compact equipment.
- High efficiency enabling conservative rating whilst maintaining size advantages.
- The toroidal transformer is accepted as the industry standard, replacing the laminated type as toroidal transformers offer advantages in size, weight, and lower radiated field.
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18+18V 160VA toroidal transformer. |
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M7024A ROHS
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- Sec. V: 12+12
- Sec. Parallel: 0.25A
- Sec. Series: 0.125A
- Primary voltage: 230V AC or 240V AC @ 50Hz
- Total VA rating: 3VA
- Insulation: Class B (130°C)
- Magnetising current: <20mA
- Temperature rise: <65°C
- Regulation: 23%
- Weight: 95g
- PCB hole size: 0.8mm
- Thermal Fuse: Internal 115°C
- Standard AS/NZS 61558.2.6 Certified
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Manufactured using very high quality grain oriented silicon steel. This results in a compact, high performance, high output transformer. |
