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Hammond 272JX Power Transformer

Hammond 272JX Power Transformer

Brand:| Model: 272JX
Overview
The 270 Series power transformers use the convenient 4 hole above chassis "X" type bell end mounts. Each unit features a 115 VAC, 60 Hz primary and two secondary filament windings, one 5.0V for tube rectifiers, plus a 6.3V for heater filaments. Leads are a minimum of 6" in length.
Part # 
122-220
Weight: 7.8 lbs.  
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$111.09
Part # 122-220
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Product Details

Hammond 272JX Power Transformer

The 270 Series power transformers use the convenient 4 hole above chassis "X" type bell end mounts. Each unit features a 115 VAC, 60 Hz primary and two secondary filament windings, one 5.0V for tube rectifiers, plus a 6.3V for heater filaments. Leads are a minimum of 6" in length. Class A insulation (105ºC). These transformers are conservatively rated and CSA certified. VA: 236, Secondary RMS: 300-0-300, DC mA: 250, Fil. #1 Rectifier: 5.0V/4A, Fil. #2 Heater: 6.3V/8.0A CT.



Hammond 272JX Power Transformer
  • BrandHammond Manufacturing
  • Model272JX
  • Part Number122-220
  • UPC623980276700
  • Product CategoryPower Transformers
  • Unit of MeasureEA
  • Product Rating
    (2 Reviews)
  • Weight7.8 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Hammond 272JX Power Transformer
Hammond 272JX Power Transformer is rated 4.0 out of 5 by 2.
Rated 5 out of 5 by from Great Trannie for Lower Power Tube Amps!I have built three tube amps with this transformer (using 6L6, KT66 and 7591 tubes) and never had a problem. The only real thing to worry about is the height (4 1/2") The key is to pick out a trannie that puts out twice the current requirement of the output tubes, plus whatever the preamp tubes need. This way you will never have to worry about hum amd overheating, even when it's cranked all the up.
Date published: 2011-02-17
Rated 3 out of 5 by from As advertised yet slightly flawed...AT first glance these appear to be on par quality wise with other modern economy (not $300-400) tube transformers. At 85 percent of max output, this transformer doesn't overheat and the voltage is as advertised. The knockouts in the bell may bother some, but didn't bother me at all. In most respects this is a fine product. Except for one: it hums and it hums rather loudly. Vibrates the chassis in fact. I've read more online and found this is a common complaint of this line of transformers. You might want to consider the 300 series or another manufacturer. Ive built lots of tube amps and this is the first transformer (my first hammond too) that has made such noise. Works well, just annoying to hear that buzz between tracks or when the music dies down...
Date published: 2011-02-17

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Hammond 272JX Power Transformer

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