SOWTER AUDIO TRANSFORMERS
PRICE LIST FOR CUSTOM AND EXISTING DESIGNS

How to get a price quote for a custom design

The price depends on the type and size of the transformer which generally depends on the power rating. You can use this page to get a good idea of the prices.
If you would like to order a custom design you will need to submit your specification using the links below. We will send you a firm price and a design reference which will enable you to place an order.
135.63
OUTPUT TRANSFORMERS
Submit spec for free quote
(Push-Pull, Single Ended and Electrostatic Loudspeaker types)
Quote
postage
VAT etc
SIZE CODE
Click here
for dimensions
Approx Power at 20 Hz
PP types (W)

PRICE
(UK Pounds)

SHIP
WEIGHT (Kg)
Buy D ~ £135.63 1
Buy F ~ £156.82 1.5
Buy I 15 £184.26 1.8
Buy J 20 £201.81 2.1
Buy H ~ £192.68
Buy K 30 £210.65 3.1
Buy L 25 £208.13 3.1
Buy M 50 £214.18 3.6
Buy N 75 £220.58 4.9
Buy P 100 £272.21 7.0
Buy P(Enclosed) 100 £391.96 8.5
Buy Q 175 £346.57 8.8
Buy T 200 £438.68 10
Buy R 225 £562.08 11
Additional for extra pair of windings (NFB etc) £14.55  
MAINS TRANSFORMERS
Submit spec for free quote
  SIZE Approx V x A UKPounds Kg
Buy B 10 £120.71 0.8
Buy D 15 £145.84 1
Buy E 20 £133.51
Buy F 25 £147.18 1.5
Buy G 30 £155.99
Buy H 35 £170.79 2.5
Buy I 40 £159.62 1.8
Buy J 50 £168.48 2.1
Buy L 100 £162.21 3.1
Buy K 100 £194.51 3.1
Buy M 150 £179.84 3.6
Buy N 200 £216.04 4.9
Buy P 300 £255.79 7
Buy P(Enclosed) 200 £349.54 8.5
Buy Q 450 £313.20 8.8
Buy T 550 £354.34 10
Buy R 600 £463.76 11
Additional for internal Electrostatic Shield £4.70  
Additional for External Hum Band £5.40  
Additional per extra secondary winding above 5. £7.28  
CHOKES (Package style "O")
Submit spec for free quote
  SIZE   UKPounds Kg
Buy A   £65.11 0.65
Buy B   £69.40 0.8
Buy C   £79.68 0.9
Buy D   £102.82 1
Buy E   £85.44 1.3
Buy F   £88.65 1.5
Buy I   £93.06 1.8
Buy J   £101.70 2.1
Buy L   £115.82 3.1
Buy K   £121.18 3.1
Buy M   £132.40 3.6
Buy N   £153.29 4.9
Buy P   £178.79 7
Buy Q   £265.44 8.8
Ask T   ask 10
Ask R   ask 11
Additional for style "S" package chokes  £5.61
EQ INDUCTORS (Mumetal can 34 dia x 24 mmm)
Submit spec
      UK Pounds  
Buy     £60.13