Hammond 1750pa transformer

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menger66
Posts: 263
Joined: Mon Oct 07, 2013 10:21 pm

Hammond 1750pa transformer

Post by menger66 »

I've never used this opt in a 18watt marahall
I've used most others MM heyboer classic tone
I'm planning to build a few 18watters and hammond d
Unbelievably is the best priced, anyone used these?
How do they compare specs are 8.4k I'm used to seeing
8k? There listed as drip in replacements. Mark
Stevem
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Re: Hammond 1750pa transformer

Post by Stevem »

They will sound just as good as any of the others, but for like 1.5 less output watts due to the higher impeadance.
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wpaulvogel
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Re: Hammond 1750pa transformer

Post by wpaulvogel »

I’ve used several of them in different builds, some with EL84 some 6V6 and ECL82. All worked out great. Good little 18 watt transformer.
Snicksound
Posts: 45
Joined: Sat Apr 04, 2020 5:08 pm

Re: Hammond 1750pa transformer

Post by Snicksound »

I have used it in two builds (a 2204 circuit with dual 6V6, and a channel switching high gainer, also dual 6V6). Great OT, both amps can get loud and sound great.

The reason it's rated 8.4K is that original 18W OT actually had 3, 7 and 15 ohms outputs, not 4, 8 and 16. So with a 16ohm load connected, the primary was actually 8.4k, not 8k.
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