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12 hours ago, Keith_W said:

Taks, just paint them gloss white. Red is too much. 

 

But if you MUST go for red, I think Ferrari red is a little too blood like. It might work on something with as many curves as a Ferrari, but for a box it would look absolutely horrible. Some things are just not meant to be painted red. Imagine a Mercedes in Ferrari red. 

 

Thanks KW!

 

Would this look work?

 

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15 minutes ago, Keith_W said:

Horns red, box piano gloss white :) Just IMHO. 

bulldog-wearing-devil-horns-white-laying

 

I see what you mean.

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4 hours ago, Keith_W said:

Horns red, box piano gloss white :) Just IMHO. 

Nice, Thanks!

 

On reflection I have lived with White horns for the last 8 years, and White and Red for that matter is going to make the speakers stand out as BIG.

 

Look at how one speaker covers up the width of a 8 seater dining table?

 

After dinner discussions tonight is slowly edging towards veneer, oiling or Black so they disappear....

 

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I reckon work on the veneer and timber finish.

To me they're quite beautiful as they are.

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On 9/9/2016 at 7:52 AM, klackto said:

I reckon work on the veneer and timber finish.

To me they're quite beautiful as they are.

 

Thanks Klackto!

 

Had a cabinetmaker take a look at it yesterday and the easiest, quickest and cheapest option is to lightly sand them back and give them a coat of matt black in the horn flare and a couple of clear coats of varnish on the veneer.

 

I can always add some grill cloth of a different colour later if required.

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A bit apprehensive this morning as the day of Altec reckoning has arrived.

 

Waiting for @nevillekapadia to arrive to give me a hand to move them into the main rig and fire them up for the first time.

 

The crossovers had to be removed for transport so I am in the process of remounting them on the back.

 

Here is what a 1970 vintage Altec XO looks like inside. 46 years old..hope it has survived.

 

Everything is potted to keep it in place and for anti vibration I guess. 

 

Capacitors look like they have a cardboard wrapper much like the Duelund and new Jensens. Some sort of double winding where the two caps share the same body.

 

Parts count minimal. looks like the bare essentials so I am guessing that there will be room for improvement via a better custom made outboard crossover in the future.

 

Better get back to wiring the speakers.

 

Hopefully I can give you my initial "listening" impressions later today

 

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It was a lot of fun with the Altec's yesterday. Neville came over around 10.30 and did not leave till close on 3pm. 

 

We hauled the speakers into the main rig and had a listen to them as was with the Emilar bowtie 800 horns. They sounded nice.
 
Neville thought having the woofer sitting up off the ground would make the sound more coherent. We checked this by laying on the floor and listening to what information the 515B driver in the bass horn was passing through.
 
So after hauling them out of the room again we got to work in dismantling the 802D from the back of the Emilar Horn. I then modified the 802D's by taking of the plastic loading caps and lining the rear chambers with felt (given to me by local Sydney Altec aficionado James who sold me the 511B horns). 
 
We then hauled the boxes back into the room and turned them upside down so the 515B were at the top rather than close to the floor. We then hooked the 511B's topside and had a listen to one speaker (had not modified the other as yet) and it sounded quite good. Once we had both speakers going we were a bit taken aback as the good sound had thinned out. We then shut down the amp on the left channel and opened the rear of the speaker and checked the connections and changed the phase on the 515B woofer and vola we had great sound.
 
Surprising how good the 46 year old crossovers still sound.

 

The felt pad mod on the rear chamber worked a treat. Much more organic sound without the shoutiness at certain frequencies that the A7 is known for.

 

I was very happy that my Koshka 6C33C amplifiers drove these with great ease.

 

Even more magic happened with the vinyl front end playing. 

 

The set up was quick and dirty as we did not want to mess with the Avantgardes and their placement. You can see in the photos the cardboard stuffing in the ports where we were trying to "um scientifically" discern what the port size was doing.

 

All in all quite an enjoyable time, and Mrs Tax had a light lunch and refreshments ready to cap off a wonderful morning. Thank you @nevillekapadia !

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pay attention on the port Tax. i used to use one pair of the A7 and i have tuned the port dia and it does indeed tighten up the bass .

enjoy your new adventure

Duc

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Gutted the cabinets yesterday and removed the drivers.

 

Intend to get the cabinets sanded and refinished. Will keep the horn flares matt black and the trim and sides of the boxes in the same Tassie oak veneer.

 

The 515B's had some small Styrofoam stuck to the Altec goop from the many years of storage in the previous owners garage. I surgically removed these with a set of fine tipped tweezers I use for my phono cartridge clips. They came out quite well.

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Cabinets slowly progressing at my cabinet maker.

 

New slit ports done.

 

Bottom (now the new top) veneered.

 

Hopefully I get them home before x'mas.

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Guest atilsley

I built 3 port fittings for the A7's I built for Fred...he's opted for the "middle" size port for best bass.

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3 coats of French Polish applied.

 

Needs some more coats.

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Very nice. Disappointed that you didn't go with the Ferrari red though..,


Sent from my iPhone using Tapatalk

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