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Old 13th February 2013, 03:07 AM   #1
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Default Building Speakers in New Zealand

Hi All. First post. I have been lurking for a while.

I have just completed my first set of speakers from some very basic bits and pieces available from Jaycar. eg. Already made crossovers and some cheap 5.5" mid range and a cheap tweeter. It was enormous fun and I learnt a lot. The most challenging part was the cabinets of course!

They sound better (if I can humbly say so ) than a small pair of JBLs I bought about 5 years ago (MR25s), but not as good as my old trusty Mordaunt Shorts that I bought in the UK 25 years ago.

So my next challenge is to improve on the MSs now that I hope I have mastered the basics.

The problem in NZ is the crazy shipping costs from the US or European markets so I am so very pleased that I have found a local company selling Markaudio drivers. MOD-Loudspeakers - Shop

So I like the look of the CHR-70 Gen 3s. I was hoping for some feedback from people who have made the plans on the Markaudio web page :

CHR 70 Metal | Markaudio

What do people suggest or recommend from these plans? Or are there better plans else where? Initially, they will be used as the main pair of speakers in my lounge for listening to music / cinema and the front pair of speakers driven by a Denon AVR-2113 that I have just bought.

I hope in time to replace all the speakers in this 7.1 setup. So what plans and drivers should I put together? eg. center and rears etc..?

I currently use 5.1 with the Mordaunt Shorts and the JBLs with a JBL centre and a Polk active subwoofer. I imagine I can improve on this setup considerably in time? Am i wrong?

Any advice appreciated. Thanks

Julien
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Old 13th February 2013, 03:46 AM   #2
golfnut is offline golfnut  New Zealand
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Hi Julien

As a fellow Kiwi I can echo your concerns about shipping costs.

I can't comment on the CR70 Pensil, but I and another local have built the Alpair 7 pensil, and it is a stunner. Not quite as good as the electrostatics I've just built but very good and has a far superior WAF to the ESL. Actually, I find the pensils a little dry at the bottom end and would prefer a two-way to boost the bass a touch - I'm keeping my eye on the FAST thread here.

regards
Rod
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Old 13th February 2013, 04:40 AM   #3
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Check out Hasaudio Speaker Components - International Suppliers of Speaker Components and Speaker Kits they have some good drivers at a reasonable (for NZ) price.
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Old 13th February 2013, 07:35 AM   #4
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I believe HASaudio are out of business.

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Old 13th February 2013, 04:59 PM   #5
chrisb is offline chrisb  Canada
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Quote:
Originally Posted by golfnut View Post
Hi Julien

As a fellow Kiwi I can echo your concerns about shipping costs.

I can't comment on the CR70 Pensil, but I and another local have built the Alpair 7 pensil, and it is a stunner. Not quite as good as the electrostatics I've just built but very good and has a far superior WAF to the ESL. Actually, I find the pensils a little dry at the bottom end and would prefer a two-way to boost the bass a touch - I'm keeping my eye on the FAST thread here.

regards
Rod
If you do decide to add bass support to Pensils, I'd recommend a mid hundreds or so HP filter on them, the benefits to overall SPL capabilities and reduction of mid-range distortion are well worth the effort. Active bi-amping works wonders for this
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Old 13th February 2013, 05:17 PM   #6
chrisb is offline chrisb  Canada
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Quote:
Originally Posted by julestnz View Post
Hi All. First post. I have been lurking for a while.

I have just completed my first set of speakers from some very basic bits and pieces available from Jaycar. eg. Already made crossovers and some cheap 5.5" mid range and a cheap tweeter. It was enormous fun and I learnt a lot. The most challenging part was the cabinets of course!

They sound better (if I can humbly say so ) than a small pair of JBLs I bought about 5 years ago (MR25s), but not as good as my old trusty Mordaunt Shorts that I bought in the UK 25 years ago.

So my next challenge is to improve on the MSs now that I hope I have mastered the basics.

The problem in NZ is the crazy shipping costs from the US or European markets so I am so very pleased that I have found a local company selling Markaudio drivers. MOD-Loudspeakers - Shop

So I like the look of the CHR-70 Gen 3s. I was hoping for some feedback from people who have made the plans on the Markaudio web page :

CHR 70 Metal | Markaudio

What do people suggest or recommend from these plans? Or are there better plans else where? Initially, they will be used as the main pair of speakers in my lounge for listening to music / cinema and the front pair of speakers driven by a Denon AVR-2113 that I have just bought.

I hope in time to replace all the speakers in this 7.1 setup. So what plans and drivers should I put together? eg. center and rears etc..?

I currently use 5.1 with the Mordaunt Shorts and the JBLs with a JBL centre and a Polk active subwoofer. I imagine I can improve on this setup considerably in time? Am i wrong?

Any advice appreciated. Thanks

Julien

No, I don't think you're wrong

My own HT rig is only 5.1, but is composed of Alpairs for the 5 channels (7.2 for the front row and 6M in rear surrounds) , and a pair of dual 7" corner mounted woofers. Room is 420ft^2, and listening levels are hardly ever above 90dB, so I find the smaller drivers quite sufficient. Receiver is Denon AVR1610 - love that Audyssey EQ and auto calibration!

Which ever make and complement of of drivers you choose if you go the DIY route, there's a lot to be said for sticking with the same models for the front row 3 at least.

For L&R mains the Pensil is a logical choice, and Dave @ Planet10 has a great little vented center enclosure design for the Alp7. Rears were a tiny sealed box for aesthetic reasons.

If your own room size and listening levels are greater, the Alpair10.2 is a great choice for the front row - keep in mind of course that enclosure sizes will increase accordingly - which can sometimes be an issue for the center.
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Old 25th February 2013, 07:55 PM   #7
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What happened to HAS Audio? Its a shame - it seems like they had everything we needed. Are there any alternatives? Does everyone else import from overseas?
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Old 25th February 2013, 08:31 PM   #8
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Thanks for the replies. I am officially hooked. So much so I am planning to build a shed in the garden where I can continue my addiction into the evening. At the moment I need to do the building outside since I don't have anywhere that I can safely create all that dust. Luckily its been a hot and dry summer though I didn't realise that speaker making had sun-burn warnings associated with it

For practice I thought I would go wandering around the second hand stores and Trademe (ebay) looking for some old / cheap speakers and reboxing them. Anyone had experience with this? Seems like a cheap and easy way to feed the habit.

ChrisB - I think a matching front three sounds like a good idea. What was the driver / box spec for your rear tiny sealed boxes and how did they sound?
I am very interested in the idea of a mid-hundreds HP filter and a woofer. Is that similar to the FAST idea? Woofer recommendation?

The HT room is 24 square meteres - 258 square feet.
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Old 20th March 2013, 11:02 PM   #9
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HASaudio states that he doesn't have the time to keep the business going, but he hasn't said it won't be back. I don't know of many other dealers.
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