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Vintage Audio (record players, hi-fi etc) Amplifiers, speakers, gramophones and other audio equipment.

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Old 30th May 2018, 1:57 pm   #21
SurreyNick
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Default Re: Wharfedale W3 speaker crossover questions

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Originally Posted by DonaldStott View Post
Alternatively approach this from another direction - your next project [I]"Build a DIY 10 watt valve stereo amplifier"[/I
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Or use a Rogers Ravesnbrook...
Well, I like both of these ideas, thank you guys

Looks like I could get a pretty decent Rogers Ravensbrook for about £100-£150 - one in need of attention probably quite a bit less and that could be a project.

Any idea at what cost I could build a stereo valve amp for (including valves)?

Nick
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Old 30th May 2018, 6:54 pm   #22
Edward Huggins
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Default Re: Wharfedale W3 speaker crossover questions

Your main cost would be in the 3 transformers needed. They would come to about £130-150 at the least.
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Old 31st May 2018, 12:31 am   #23
SurreyNick
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Default Re: Wharfedale W3 speaker crossover questions

I think what I ought to do is get the speakers working perfectly first, testing them carefully using my B&O amp. There's time enough to think about amp and turntable after that.

Thank you all for the advice, input and ideas thus far. I'll report back soon

Nick
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Old 31st May 2018, 9:41 am   #24
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Default Re: Wharfedale W3 speaker crossover questions

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Looks like I could get a pretty decent Rogers Ravensbrook for about £100-£150
I don't think they ever made such a thing (pretty decent I mean, there are plenty of Ravensbrooks around). An amusing technical curiosity but not an amplifier for serious use, with that horrible lash-up of a driver circuit. I had to choke on the asking prices, my default position on these is to give (or throw) them away.

Almost anything will disappoint after the B&O, the 80s 5000 was one of their best. The 60s Beolab 5000 amplifier may be a good match if you like B&O, they work well with older loudspeakers. 2 x 60W mind you, so a little care may be needed. They aren't as cheap as they once were - a bit like the Rogers then!
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Old 31st May 2018, 10:40 am   #25
Ted Kendall
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Default Re: Wharfedale W3 speaker crossover questions

Well, to be sure they are technical curiosity, but there are a lot of them still about and I loved the sound of mine when I had it. In the context of lowish power output and near-comtemporaeity with the W3s, I think it's a fair choice.
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Old 1st Jun 2018, 11:26 pm   #26
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Default Re: Wharfedale W3 speaker crossover questions

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Any idea at what cost I could build a stereo valve amp for (including valves)?
In April last year I started a Thread about the Mullard Twenty Watt Amplifier: -

https://www.vintage-radio.net/forum/...d.php?t=135408

I started out looking for an enjoyable Summer Project but within a couple of days I was quickly dissuaded by the Posts that this Thread attracted.

May revisit this at some point ... but next time I'll keep quiet!
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Old 2nd Jun 2018, 9:15 am   #27
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Default Re: Wharfedale W3 speaker crossover questions

Just saw these on eBay - so if you are going to restore them and they sell for this price you're onto a winner!

https://www.ebay.co.uk/itm/WHARFEDAL...cAAOSwnYBaUKkI
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Old 2nd Jun 2018, 10:21 am   #28
Edward Huggins
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Default Re: Wharfedale W3 speaker crossover questions

This would be my suggestion also. The costs associated with a "compatible" valved system are very high. If you do further restoration, do pay attention to the sliders on the two level controls.
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