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Bell & Howell 110V mains T - 240V options?
Bell & Howell 110V mains T - 240V options?
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Old 1st December 2018, 12:12 PM   #1
BenHoper is offline BenHoper  United Kingdom
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Default Bell & Howell 110V mains T - 240V options?

I have a Bell & howell cine amp, probably 601. I'm in the UK and this was built for the UK. I don't have the external 240->110V power supply. Is there a neat option for replacing the mains transformer?
Anyone done it and found something that fits the bill? Or other neat solution?
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Old 2nd December 2018, 12:14 PM   #2
avtech23 is offline avtech23  Australia
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Bell & Howell 110V mains T - 240V options?
It appears that amp uses 320v into the 5Y3GT rectifier.

You might be able to find a suitable replacement that is specced similarly.

Have a look at the schematic for details of voltage/currents: http://www.film-tech.com/warehouse/manuals/AMPS.pdf

The model 179 I believe is the US equivalent of the 601, see around Page 184.
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Old 3rd December 2018, 12:35 AM   #3
PRR is offline PRR  United States
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Bell & Howell 110V mains T - 240V options?
If it is a 179, then it is a "Fender DeLuxe" for any practical purpose, and can use that replacement transformer.

However, why not use a 240V:120V 100Watt voltage transformer?

The amplifier will work (if it is actually healthy) and probably fine.

The movie-motor would be 50/60Hz specific; but you may not care? {EDIT} actually the motor has a governor and does not care what frequency it eats.
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Old 3rd December 2018, 08:11 AM   #4
BenHoper is offline BenHoper  United Kingdom
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I'm planning on making a "Fender Deluxe" head from it, so would prefer not to have an external transformer - but I'll look at the options there if there is something suitably neat.
I don't have the motor section so not worried about that.
I'll have a look round for a suitable mains transformer as well to see if something will slot in neatly and do the job.
Thanks for the schematic link and details of what I'm looking for.
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Old 4th December 2018, 02:27 AM   #5
avtech23 is offline avtech23  Australia
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Bell & Howell 110V mains T - 240V options?
Quote:
Originally Posted by PRR View Post
If it is a 179, then it is a "Fender DeLuxe" for any practical purpose, and can use that replacement transformer.
Would this one be suitable?

290BEX 20watt Power Transformer
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Old 4th December 2018, 04:09 AM   #6
PRR is offline PRR  United States
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Bell & Howell 110V mains T - 240V options?
It may be OK; but shipping heavy iron from Canada to Australia is brutally expensive. There are probably sources closer to you. Aussie guitar-amp forums would know.
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Old 4th December 2018, 04:12 AM   #7
avtech23 is offline avtech23  Australia
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Bell & Howell 110V mains T - 240V options?
Evatco are local suppliers here in Oz. $12.40 shipping to my place

Would there be a better choice of PT?

I ask because I may end up with a 179 projector amp myself....and another project
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Old 4th December 2018, 08:26 PM   #8
PRR is offline PRR  United States
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Bell & Howell 110V mains T - 240V options?
You can't complain about Hammond quality. If that prices is good in your currency, it's a good choice.

I can get no-name "Mojo" iron somewhat cheaper (I think distributed by the ElectroHarmonix mega-corp), which is also fine stuff, if maybe not as "forever" as Hammond.

Of course study the specs for voltage, current, and size/fit before you order.

Australian guitar forum (they may know your market better): Aussie Guitar Gear Heads - Index
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Old 5th December 2018, 09:53 AM   #9
Kay Pirinha is offline Kay Pirinha  Germany
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The OP is located neither in Canada nor in Oz?!? But he might find a suitable replacement Xformer in the UK as well.
Best regards!
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Old 5th December 2018, 10:15 AM   #10
avtech23 is offline avtech23  Australia
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Bell & Howell 110V mains T - 240V options?
I think you are subtly pointing out that I might have threadjacked a little... I apologise to the OP for that. Here are a couple of options for that Hammond Tx that I am looking at:

76GBP 290BEX | Hammond Manufacturing | Hammond Manufacturing 290BEX | Enrgtech
81GBP 290BEX Hammond Manufacturing | Mouser United Kingdom
96 GBP 290BEX by HAMMOND MANUFACTURING - Buy or Repair at Radwell

I have just landed myself a 601 as well so I'll probably open a build thread later down the track.

Again, apologies to the OP but hope the info was helpful anyway, and I'd love to hear more about your build!
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Last edited by avtech23; 5th December 2018 at 10:24 AM.
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