Eico HF20 Power and Output Transformers FS - diyAudio
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Old 21st October 2010, 06:37 PM   #1
Doug R is offline Doug R  United States
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Default Eico HF20 Power and Output Transformers FS

I took these out of a working Eico HF20 6L6 push-pull mono amp. I don't have time to finish all my projects, so I would like to pass these along so someone can use them.

The power transformer weighs 5 pounds 7 ounces.
The potted output transformer is Ginormous! It weighs 13.5 pounds! In the photo below, there is a red Hammond 272X for comparison.

Asking $60 for both, plus shipping (which won't be cheap - weight will be about 21 pounds.)
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File Type: jpg Eico-OPT-vs-Hammond.jpg (38.2 KB, 119 views)
File Type: jpg Eico-PT-vs-Hammond.jpg (41.0 KB, 114 views)
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Old 22nd October 2010, 01:40 PM   #2
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I'm iterested. Drop me a PM if you want. Will they fit in a USPS flat rate box...if so weight will not mater. I ship a lot of xfrms that way. Trades? See my post.
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Old 22nd October 2010, 02:04 PM   #3
Doug R is offline Doug R  United States
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Yes they will! Hooray. That will keep the shipping cost down to $10.70.
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Old 22nd October 2010, 03:35 PM   #4
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Do you know the secondary volts and amps on the power xfrm?
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Old 22nd October 2010, 03:46 PM   #5
Doug R is offline Doug R  United States
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From the schematic, 740 volts
2.4 A at 6.3V
3.0 A at 5V
The amp was rated at 20W, but I would imagine the transformers were just coasting at that wattage.
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Old 22nd October 2010, 04:46 PM   #6
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I had a copy of the circuit but not the PS. I was looking for a xfrm to build a AX84 guitar amp, so I will pass on the PS xfrm, but still interested in the output.
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Old 23rd October 2010, 04:15 PM   #7
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I'm intrested in the op transformer
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Old 23rd October 2010, 07:56 PM   #8
Doug R is offline Doug R  United States
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I am going to list them on ebay. Thanks.
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