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100 VOLT LINE TRANSFORMERS

Two ranges of transformers for use on 100 volt line systems.

Speech Quality

Intended for paging and announcement uses, and can be combined with low level background music. Low frequency response is reduced at full power level, and it is recommended that low frequencies are attenuated at input or pre-amp stage to avoid possible overloading of output stages and to improve speech clarity at lower power levels. High frequencies are also attenuated, but no special provision is required at input level.

Power levels shown on the terminal panels are mid frequency amplifier loading, thus in a multiple installation, the amplifier load will be equal to the total of the output settings of the individual transformers on the network. No safety margin need be allowed in choosing a suitable amplifier, although allowance should be made for line losses where cable runs are unusually extended.

Two tappings are available, for matching into 4 ohms or 8 ohms. For convenience of installation on site, connection is by 2.8mm × 0.8mm push-on spade receptacles. Fixing is by ‘stirrup’ frame construction, 2 lugs. Dimensions are for transformer body, excluding lugs.

ModelOutput tappingsDimensionsFixingWeight
(watts)(w × d × h)centres(kg)
PA41/4, 1/2, 1, 2, 451 × 36 × 44mm60mm0.3

Music Quality

High quality audio transformers to give all the advantages of 100V transmission without the disadvantages usually associated with transformer coupling.

The transformers use high permeability low loss cores to ensure good low frequency performance without excessive weight. Generously rated windings ensure low mid frequency losses, and careful winding design gives extended high frequency response.

Six sizes cover the range 3 watts to 300 watts, with overlaps. They are available to match into 4 ohm (type -4) or 8 ohm (type -8) loudspeakers.

ModelOutput tappings (watts)Dimensions (w × d × h)Weight (kg)
MP103, 6, 10 60 × 52 × 50mm0.5
MP205, 10, 20 72 × 60 × 60mm1.0
MP4010, 20, 40 80 × 65 × 68mm1.3
MP8020, 40, 80 90 × 77 × 76mm1.9
MP15040, 80, 150100 × 87 × 82mm3.0
MP300100, 200, 300120 × 112 × 100mm5.4

For convenience of installation on site, connection is by 2.8mm × 0.8mm push-on spade receptacles, apart from types MP80, MP150 and MP300 which have screw terminals with wire leaf protection.

Manufactured specifically for Canford Audio.

  Description Price (£) Add to basket
CANFORD PA4 100V LINE TRANSFORMER 4W for 4 or 8 ohm loudspeaker

This item is discontinued. Please contact Technical Support for advice on alternatives.

CANFORD MP10-4 100V LINE TRANSFORMER 10W for 4 ohm loudspeaker

This item is discontinued. Please contact Technical Support for advice on alternatives.

CANFORD MP20-4 100V LINE TRANSFORMER 20W for 4 ohm loudspeaker

This item is discontinued. Please contact Technical Support for advice on alternatives.

1+ £17.20
10+ £16.43
50+ £15.65
100+ £14.88
CANFORD MP40-4 100V LINE TRANSFORMER 40W for 4 ohm loudspeaker

This item is discontinued. Please contact Technical Support for advice on alternatives.

CANFORD MP80-4 100V LINE TRANSFORMER 80W for 4 ohm loudspeaker

This item is discontinued. Please contact Technical Support for advice on alternatives.

1+ £61.65
10+ £58.88
50+ £56.11
100+ £53.33
CANFORD MP20-8 100V LINE TRANSFORMER 20W for 8 ohm loudspeaker
1+ £19.78
10+ £18.89
50+ £18.00
100+ £17.11
CANFORD MP40-8 100V LINE TRANSFORMER 40W for 8 ohm loudspeaker
1+ £31.02
10+ £29.62
50+ £28.23
100+ £26.83
CANFORD MP80-8 100V LINE TRANSFORMER 80W for 8 ohm loudspeaker
1+ £59.20
10+ £56.54
50+ £53.87
100+ £51.21
CANFORD MP150-8 100V LINE TRANSFORMER 150W for 8 ohm loudspeaker

This item is discontinued. Please contact Technical Support for advice on alternatives.

1+ £90.13
10+ £86.07
50+ £82.02
100+ £77.96
CANFORD MP300-8 100V LINE TRANSFORMER 300W for 8 ohm loudspeaker
1+ £108.10
10+ £103.30
50+ £98.45
100+ £93.58

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  1. UK Sales

    1. 08.30 - 17.30 UK time
    2. Tel: +44 (0) 191 418 1122
    3. Fax: +44 (0) 191 418 1123
    4. sales@canford.co.uk
  2. International Sales

    1. 08.00 - 17.30 UK time
    2. Tel: +44 (0) 191 418 1133
    3. Fax: +44 (0) 191 418 1134
    4. international@canford.co.uk
  3. Technical Support

    1. 09.00 - 17.30 UK time
    2. Tel: +44 (0) 191 418 1144
    3. Fax: +44 (0) 191 418 1145
    4. techsupport@canford.co.uk