Haze Caravelle (barn find!) |
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Robbo
Old Croc Joined: 05 December 2005 Location: Shropshire Status: Offline Points: 4226 |
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Word of warning about the HH Pro 200s---We used to sell these in our shops back in the 70s and due to the weight of the cabinet the strap handles break very easily if the cabinet is not picked up in a certain way.
Never try to pick up the cabinet using the handles when it is standing upright as this can cause the inner metal strap part of the handle to tear across gradually bit by bit and eventually break completely(usually when carrying up a flight of stairs or fire escape) The way to safely pick up is to always lay the cabinet on its side with the handles now on top and then pick up in this plane---Even doing it this way will only prolong the life of the handles as those cabinets are so bloody heavy and really deserve a bucket handle on each side. |
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vital spark
Registered User Joined: 16 November 2018 Status: Offline Points: 36 |
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Hooked up direct to my home cinema (decent gear but i'm no audiophile) pre amplification and the TT's sound almost as good as my Thorens TD166mkII. very enjoyable! Through the amps on the console using the HH's the treble/mid needs fixing. What i havent done yet is to replace x over caps, and testing them last night both are duffers, so lets see what some fresh caps sounds like. seems odd that the tweeters are run through an inductor and cap, which suggests more of a mid range setting, but both are identical and look untouched from new. I know the HH's aren't the best in the world, but even with dodgy crossovers, the majority of music sounds good - and loud as hell in my front room!. Vocals can be very harsh and tinny depending on the track, but given the readings off the x-over caps, i'm confident it'll significantly improve. I was also advised by the guy who refurbed my speakers to avoid refitting the alu voice caps on the drivers which might help the sound a bit. The tone controls on the console aren't the greatest either. likely the design, or possibly my lack of understanding of electronics and what could be causing it (i did replace the pots like for like) but they seem to work in a strange way where for example reducing bass just increases mid and treble. Treble control is fine, but adjusting mid range is a mixed bag depending on where treble and bass are set. But sweet spots can be found :) and part of the fun of playing with 40 year old gear. Also cant praise the help received on this forum enough. very helpful and knowledgeable. and thanks for the comments :) Al
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vital spark
Registered User Joined: 16 November 2018 Status: Offline Points: 36 |
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couldn't agree more. i have to be very careful with my shiny new handles, and i replaced most of the securing nuts and made as secure as possible, but like you say, even this isn't good enough. I've been putting them on their sides as suggested before lifting.
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vital spark
Registered User Joined: 16 November 2018 Status: Offline Points: 36 |
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colint
Old Croc Joined: 06 October 2007 Location: United Kingdom Status: Offline Points: 5227 |
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Hi, Who reconed the drivers and what repairs were done to the tweeters?
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Never criticise another man until you've walked a mile in his shoes. Once you have, call him what you like, you're a mile away and you've got his shoes!
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vital spark
Registered User Joined: 16 November 2018 Status: Offline Points: 36 |
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Howdy, RJM Loudspeakers did the recones. seemed incredibly knowledgeable and cant fault the workman ship, they sound great also. with the tweeter they weren't so professionally repaired. i stripped them down and found the coils broken/blown just as the enter the coils themselves, so i unwound 1 turn on the coil and re terminated. Obviously there will be compromises doing this, but they now work. DC resistance seems to be in the zone also. Al
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colint
Old Croc Joined: 06 October 2007 Location: United Kingdom Status: Offline Points: 5227 |
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Cool thank you |
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Never criticise another man until you've walked a mile in his shoes. Once you have, call him what you like, you're a mile away and you've got his shoes!
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bob4
Old Croc Joined: 29 February 2004 Location: Finland/Germany Status: Offline Points: 1843 |
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Now that is amazing!!!!!!!
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vital spark
Registered User Joined: 16 November 2018 Status: Offline Points: 36 |
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I would say more lucky than anything . the broken coils on both were on the top layer and the wire broken just as it enters the coil, so i figured it was easy enough to unwind a turn and start again. they are incredibly fiddly, and hopeless without those illuminated magnifying glasses, and a good soldering station. a bit of patience and they weren't too bad to repair. the worst bit is trying to get a solid solder joint on varnished wire thats not much thicker than a human hair. that took a few attempts!
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madboffin
Old Croc Joined: 03 July 2009 Location: Milton Keynes Status: Offline Points: 1538 |
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Congratulations on repairing those.
The *really* fiddly job is doing the ones that use flat aluminium wire. Special solder and a fancy magnifier, and after all the messing about the chances of success still aren't great. |
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vital spark
Registered User Joined: 16 November 2018 Status: Offline Points: 36 |
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x-over caps now replaced, and they are a much cleaner sound and a huge improvement, but they are still very bright. upper mid range can be a bit overpowering on some tracks, even with the tone controls on zero. not sure if i still have a problem, or if this is the nature of these or any PA speaker?
Not sure if any modifications could be done to the tone controls or x-overs to improve further? maybe i just need to chill out with the volume. lowed mid-bass sound excellent and louder than a loud thing.
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njw
Old Croc Joined: 26 March 2010 Location: S. Wales Status: Offline Points: 2574 |
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I'm not that familiar with those HH speakers but I wonder if the crossover point (low pass) on the woofers is too high and they're beaming at certain frequencies, do the speakers sound the same when hooked up to another amp?
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