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I've got 2 vintage (50 yr old) Philips 1256/W8 (12") drivers and an itch to make a subwoofer. I'm not aiming for head banging bass, rather something that can fill that 15 to 30hz range...think pipe organ. I know these drivers have a low free air resonance...some literature says 15hz others 19hz...

Is it possible to forgo a stereo integrated and connect TV to DAC (optical) to stereo power amp with volume being controlled by the TV volume setting?

Ha! Traced the issue. The rear switch for 4 channel had completely failed. Have bypassed. Good for another 45 years. Sent from my SM-A205F using Tapatalk

Thanks for all the pointers: 1. The view that that power amp section and power transistors must be ok seems logical as I can reverse the channels and get the left speaker playing 2. Its always the L channel that is out across all inputs (Aux 1, Aux2, Tape, Tuner, Phono, etc) 3. Don't think its...

Hi All, I've got a mid-70's high spec (KA 8006) integrated amp which I fully recapped successfully just over a year ago (thread elsewhere on this forum). Its been working flawlessly until about 2 weeks ago when occasionally the left channel would drop out completely. A light tap on the unit...

I'm sure. Not very portable though ^-^

Thanks. So the Mojo is GBP400...that would be the benchmark.

I hate having to purchase something as subjective as hifi products without auditioning, but in this case I don't have a choice. I'm looking for a DAC that can do duty both as a main system one and as a portable device. The Chord Mojo seems to fit the bill and gets rave reviews from the UK press...

You guys cleared Mass out. Was going to place my order this week only to see they are out of stock.  :facepalm:

It's taking forever but progress is being made and I'm happy with the approach being taken [url=https://postimg.cc/xJ2CcLT3]

Good observations  :2thumbs: 1. Yes, there is a back cover for the mids and tweeters which I had already removed at time of the pic. There is also a glass wool piece that sits in that 7 litre section. So this section is isolated from the main cabinet. 2. When I received the speakers a few...

Here is a very interesting view on speaker rigidity which related back to the 'timbre' that marantz123 referred to. https://www.harbeth.co.uk/usergroup/forum/the-science-of-audio/speaker-design/215-bbc-style-thin-wall-cabinets-why-so-special

The reason I'm staying away from the dog blanket option is that, from my research, this reduces the internal volume of the cabinet which will then affect the sonic qualities. These units were designed with a thick glass wool covering the back panel. This should reduce standing waves. The paint...

Have you used it inside cabinets, if so do you think it made a positive difference?

Does anyone have a view on treating the inside of the speaker cabinet to further reduce cabinet resonance. I was thinking of a thick paint, like that used to line the bin of a bakkie. This would be in additional to the glass fibre 'wool' which is there for damping.

So I've got some time and have plucked up the courage to restore these old ladies (or have them restored by competent people  :pray:). These were top of the Philips passive speaker line up in the early 70's and seemingly pretty expensive (info says the equivalent of EUR800 in 1970). 9 drivers...

Great work on those speaker cabinets CC. The main reason I'm not able to do this myself is that I'm moving to Tanzania later this month. Family will stay in SA for the reminder of the year and then come up in January, followed by our furniture. I'm hoping to get the speakers done in the...

I love my large Philips 22RH499s (80 liter cabinet with 9 drivers in each cabinet) - they sound really good to me. They don't look great though...is there anyone in Gauteng who can re-furb the cabinets and electronics, i.e. new wood veneer, new grills, new wiring, updated crossovers, etc...

Guys, I'm desperate / very keen to have this done. Happy to pay well for great workmanship. Emigrating at the end of the year and would like these done before I go.

Would a cabinet maker be an option for re-furbing the cabs?