300 Series - High Voltage (Plate) and Filament - 39 VA To 940 VA
Universal Primary and 50/60 Hz. Operation

Product Features:
  • Primary: Universal - 100, 110, 120, 200, 220, 230, 240 VAC 50/60 Hz.
    • Note: Units are designed to operate with BOTH primary windings engaged.
  • Bias Tap: 50 VAC from high voltage secondary C.T. (except Part number: 379WX - uses a separate 60VAC 0.2 Amp winding).
  • Hipot tested: 2,000 VAC.
  • Faraday Copper Primary Shield: The electrostatic shield reduces the capacitive coupling from the primary - greatly attenuating higher frequency current coupling to the secondaries (shield is internally grounded to the end bell.
  • Windings: Concentric wound for low stray field and low noise.
  • Models: This series is an upgrade from the entire 200 Series range of units PLUS 2 models designed specifically for 300B tubes (Part number: 300BK) and 2A3 tubes (Part number: 302AX).
  • Finish: Black powder paint to match the 1650P Series of output transformers.
  • Units can be run full wave bridge of full wave C.T.
  • Conservative designs - CSA certified (209651).
Related Products:
  • For a more economical, open frame, universal primary - check out the 260 Series.
  • For that "high end" look and feel check out the potted versions - the 300P Series.
Hammond Manufacturing Transformers
KGA Enclosures Ltd are full authorised distributors of the Hammond Manufacturing Transformers product range. This entire range is available from KGA Enclosures Ltd at great competitive pricing and with full customisation options on all applicable products.

Please Remember - Only use authorised distributors to purchase these products. Using authorised distributors will guarantee you receiving a genuine product which, by using KGA Enclosures, we can guarantee you receiving.
Hammond Manufacturing Product Ranges
Did you know, the entire Hammond Manufacturing product range is all available here at KGA Enclosures Ltd. If you find a lower price, we aim to match and beat it. For more information on any range, please click the link below.
300 Series | Hammond Manufacturing Transformers | KGA Enclosures Ltd
Product Options
Part No Brand Product Information 1+ 5+ 10+ 25+
300BX Hammond Please Click Part Number For More Details £184.55 £177.17 £169.78 £166.09
302AX Hammond Please Click Part Number For More Details £147.65 £141.74 £135.84 £132.88
363AX Hammond Please Click Part Number For More Details £73.59 £70.65 £67.70 £66.23
363CX Hammond Please Click Part Number For More Details £110.73 £106.30 £101.87 £99.66
369AX Hammond Please Click Part Number For More Details £73.82 £70.87 £67.91 £66.44
369BX Hammond Please Click Part Number For More Details £73.82 £70.87 £67.91 £66.44
369EX Hammond Please Click Part Number For More Details £70.13 £67.33 £64.52 £63.12
369GX Hammond Please Click Part Number For More Details £73.82 £70.87 £67.91 £66.44
369HX Hammond Please Click Part Number For More Details £121.39 £116.54 £111.68 £109.26
369JX Hammond Please Click Part Number For More Details £75.64 £72.61 £69.59 £68.07
369KX Hammond Please Click Part Number For More Details £133.20 £127.87 £122.55 £119.88
370AX Hammond Please Click Part Number For More Details £79.35 £76.18 £73.01 £71.42
370BX Hammond Please Click Part Number For More Details £83.04 £79.72 £76.40 £74.74
370CAX Hammond Please Click Part Number For More Details £93.14 £89.42 £85.69 £83.83
370CX Hammond Please Click Part Number For More Details £89.68 £86.09 £82.50 £80.71
370DAX Hammond Please Click Part Number For More Details £89.68 £86.09 £82.50 £80.71
370DX Hammond Please Click Part Number For More Details £93.14 £89.42 £85.69 £83.83
370EX Hammond Please Click Part Number For More Details £102.35 £98.26 £94.16 £92.12
370FX Hammond Please Click Part Number For More Details £110.73 £106.30 £101.87 £99.66
370HX Hammond Please Click Part Number For More Details £140.25 £134.64 £129.03 £126.22
370JX Hammond Please Click Part Number For More Details £137.32 £131.83 £126.33 £123.59
370KX Hammond Please Click Part Number For More Details £142.60 £136.89 £131.19 £128.34
370LX Hammond Please Click Part Number For More Details £186.69 £179.22 £171.75 £168.02
370MX Hammond Please Click Part Number For More Details £189.73 £182.14 £174.55 £170.76
370X Hammond Please Click Part Number For More Details £81.63 £78.36 £75.10 £73.46
371X Hammond Please Click Part Number For More Details £85.07 £81.67 £78.26 £76.56
372BX Hammond Please Click Part Number For More Details £97.78 £93.87 £89.96 £88.01
372DX Hammond Please Click Part Number For More Details £108.07 £103.75 £99.43 £97.27
372FX Hammond Please Click Part Number For More Details £125.47 £120.45 £115.44 £112.93
372HX Hammond Please Click Part Number For More Details £142.57 £136.87 £131.16 £128.31
372JX Hammond Please Click Part Number For More Details £151.32 £145.27 £139.22 £136.19
372KX Hammond Please Click Part Number For More Details £207.02 £198.74 £190.46 £186.32
372LX Hammond Please Click Part Number For More Details £230.14 £220.93 £211.73 £207.12
372X Hammond Please Click Part Number For More Details £96.58 £92.71 £88.85 £86.92
373BX Hammond Please Click Part Number For More Details £129.18 £124.01 £118.84 £116.26
373DX Hammond Please Click Part Number For More Details £128.78 £123.63 £118.48 £115.90
373EX Hammond Please Click Part Number For More Details £194.21 £186.44 £178.67 £174.79
373FX Hammond Please Click Part Number For More Details £201.93 £193.86 £185.78 £181.74
373HX Hammond Please Click Part Number For More Details £216.87 £208.19 £199.52 £195.18
373JX Hammond Please Click Part Number For More Details £391.34 £375.69 £360.04 £352.21
373X Hammond Please Click Part Number For More Details £120.84 £116.01 £111.17 £108.76
374AX Hammond Please Click Part Number For More Details £119.58 £114.80 £110.02 £107.63
374BX Hammond Please Click Part Number For More Details £138.41 £132.88 £127.34 £124.57
374X Hammond Please Click Part Number For More Details £110.40 £105.98 £101.56 £99.36
375X Hammond Please Click Part Number For More Details £197.76 £189.85 £181.94 £177.98
376X Hammond Please Click Part Number For More Details £151.76 £145.69 £139.62 £136.58
378CX Hammond Please Click Part Number For More Details £188.25 £180.72 £173.19 £169.43
378X Hammond Please Click Part Number For More Details £175.33 £168.32 £161.31 £157.80
379WX Hammond Please Click Part Number For More Details £420.89 £404.06 £387.22 £378.80
379X Hammond Please Click Part Number For More Details £160.97 £154.53 £148.09 £144.87
382X Hammond Please Click Part Number For More Details £193.16 £185.43 £177.71 £173.84
384X Hammond Please Click Part Number For More Details £206.69 £198.43 £190.16 £186.02
Horizontal Mount ("Z" Mounting)
369KZ Hammond Please Click Part Number For More Details £149.85 £143.86 £137.86 £134.87
370DAZ Hammond Please Click Part Number For More Details £91.99 £88.31 £84.63 £82.79
370KZ Hammond Please Click Part Number For More Details £166.34 £159.68 £153.03 £149.70
373AZ Hammond Please Click Part Number For More Details £101.19 £97.14 £93.09 £91.07
373CZ Hammond Please Click Part Number For More Details £160.97 £154.53 £148.09 £144.87
373DZ Hammond Please Click Part Number For More Details £131.09 £125.84 £120.60 £117.98
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300 Series | Power - Classic High Voltage Tube Plate | Hammond Manufacturing Transformers