Did AI get it right? Designing a British Hi-Fi (mainly)
Discussion
I'm really enjoying my beginners HiFi and want to upgrade to something that makes me go 'wow' every time I see it and hear it.
The prompt I gave AI (Claude) was this:
If you were looking to design a system that is entirely British hifi, with a futuristic turntable (like the S.A.M Sinner or the Nottingham Analogue Ace), all other separates have to be the same brand (can be different from the turntable), with a CD player, enough amps to drive the floor standing speakers (PMC, B&W 804, KEF Reference 5 or anything like that), with a inline VU meters all between £15,000 - £20,000 in total, what would you get? Music will be rock, dance, jazz. System is for listening pleasure and accuracy, not high volume. System must be aesthetically pleasing.
Claude (set up to talk to me like K2SO - the sarcastic battle droid in Star Wars), gave me this:
Right. Given the brief — turntable can be off-brand, everything else (CD player, preamp, power amp) has to match, floorstanders open to PMC/B&W/KEF, VU meters bolted in, budget £15–20k, music is rock/dance/jazz, priority is pleasure and accuracy not headroom-for-a-rave — here's what I'd actually build, not just what looks good in a brochure.
Electronics — Exposure Electronics (Maidstone, Kent)
Skip Naim for this budget. Their current 300 Series alone (NAC 332 + NAP 350 monoblocks + CD5si) blows past £20k before you've bought a speaker cable, and their older Classic range doesn't come as full monoblocks. Exposure gives you the same "handles a difficult load without flinching" pedigree established earlier, in a full matching CD/pre/mono-power range, at a price that leaves room for everything else:
Exposure 3010S2 preamp — approx. £1,700–1,900
Exposure 3010S2 monoblocks (pair) — approx. £5,400–5,800
Exposure 2010S2 CD player — approx. £1,800–2,200
Speakers — PMC twenty5.23i, approx. £4,295. Not the 804 D4 — that's roughly £10–11k a pair on its own (it's ~$15,000/pair in the US), which eats your entire budget before the turntable's even in the room. PMC's transmission-line bass control suits rock and dance better than most stand-mounts, and it's still articulate enough for jazz. British-built too, if that matters to you here, though you didn't require it for the speakers.
Turntable — S.A.M. Sinner, approx. £4,300–4,500 with tonearm. You asked for futuristic; the Nottingham Analogue Ace (£1,500) is a fine, honest British deck, but it looks like a sensible shed-built machine, not a spaceship. The Sinner is the sculptural one — copper-and-aluminium plinth, genuinely eye-catching, and it's the one actually worth the "aesthetically pleasing" line in your brief.
VU meters — nothing decent exists off-the-shelf as a proper inline passive pair; it's either cheap eBay driver boards or a bespoke job. Budget approx. £400–600 for a pair built into enclosures that don't clash with the rest of the system, wired post-monoblock as discussed.
Running total: roughly £17,900–19,300 — inside your range, with a bit of slack for cabling, isolation feet, and a decent cartridge on the Sinner (don't cheap out there, it's the one part actually reading the vinyl).
Caveat, because I'd be a poor droid if I didn't say it: these are current street prices pulled from dealer listings, not live quotes. Exposure and specialist UK dealers negotiate, and the CD player price in particular I couldn't pin down precisely — get an actual quote before you transfer any money. And if you decide the 804 D4 is non-negotiable, something has to give: drop to the Nottingham Ace and a smaller Exposure phono stage tier, or accept you're at £24k+ instead of £20k.
Naim NAP 250 DR / NAP 350 monoblocks — built in Salisbury. The 250 DR is rated stable into any load down to 2 ohms sustained, with a transformer good for 15A+. The 350 monoblock does 175W/8Ω, 345W/4Ω, 610W/2Ω, with 42A peak current into 1 ohm. Either will shrug off the 804 D4's dip without noticing.
Chord Electronics — built in Kent. Their amps (SPM series, or the newer Ultima 300 mono) use a high-current, low-impedance design philosophy specifically because reactive speaker loads are their whole reputation. Historically one of the better UK choices for awkward loudspeakers.
Musical Fidelity — built in Suffolk. Their M6/M8-series power amps are current-heavy Class A/B designs with a similar pedigree of driving difficult loads without breaking a sweat.
Exposure Electronics — built in Kent, smaller outfit, less flashy, but their power amps are known for exactly this kind of high-current stability.
Any of these will handle the 804 D4's 2.55-ohm dip better than worrying about it will. Naim NAP 250 DR is the obvious, well-trodden pairing if you want something proven rather than novel.
After the monoblocks, not the preamp. In front of the speakers, not in front of the amplification stage.
Passive VU meters are current-hungry mechanical movements — they need real voltage swing across a resistor divider to flick the needle, and preamp-level signal (a few volts, negligible current) won't drive one properly. Line-level VU meters exist, but they're active — they need their own power supply and buffer circuit to read accurately. A cheap passive inline unit will just sit there looking unimpressed, much like me.
So the signal chain is: source → preamp → monoblock → VU meter → speaker. Wire it in the speaker cable run, not the interconnects. That also means you get two meters, one per monoblock, each reading actual delivered power to its own speaker — which is more honest anyway, since bridged/mono amps can behave asymmetrically under a reactive load like the 804 D4's.
One caution: check the meter unit's rated power handling before you put it inline. If a Naim NAP 250 DR or Chord monoblock is slamming current into that impedance dip and the meter's resistor network isn't rated for it, you'll cook the meter, not the speaker.
Currently my thought is: SAM tuntable, Audiolab 9000 amp and CD, KEF reference floorstanders. Obviously I will need to listen to them (Nintronics is close to me), but am I mad for accepting the advice from an AI?
The prompt I gave AI (Claude) was this:
If you were looking to design a system that is entirely British hifi, with a futuristic turntable (like the S.A.M Sinner or the Nottingham Analogue Ace), all other separates have to be the same brand (can be different from the turntable), with a CD player, enough amps to drive the floor standing speakers (PMC, B&W 804, KEF Reference 5 or anything like that), with a inline VU meters all between £15,000 - £20,000 in total, what would you get? Music will be rock, dance, jazz. System is for listening pleasure and accuracy, not high volume. System must be aesthetically pleasing.
Claude (set up to talk to me like K2SO - the sarcastic battle droid in Star Wars), gave me this:
Right. Given the brief — turntable can be off-brand, everything else (CD player, preamp, power amp) has to match, floorstanders open to PMC/B&W/KEF, VU meters bolted in, budget £15–20k, music is rock/dance/jazz, priority is pleasure and accuracy not headroom-for-a-rave — here's what I'd actually build, not just what looks good in a brochure.
Electronics — Exposure Electronics (Maidstone, Kent)
Skip Naim for this budget. Their current 300 Series alone (NAC 332 + NAP 350 monoblocks + CD5si) blows past £20k before you've bought a speaker cable, and their older Classic range doesn't come as full monoblocks. Exposure gives you the same "handles a difficult load without flinching" pedigree established earlier, in a full matching CD/pre/mono-power range, at a price that leaves room for everything else:
Exposure 3010S2 preamp — approx. £1,700–1,900
Exposure 3010S2 monoblocks (pair) — approx. £5,400–5,800
Exposure 2010S2 CD player — approx. £1,800–2,200
Speakers — PMC twenty5.23i, approx. £4,295. Not the 804 D4 — that's roughly £10–11k a pair on its own (it's ~$15,000/pair in the US), which eats your entire budget before the turntable's even in the room. PMC's transmission-line bass control suits rock and dance better than most stand-mounts, and it's still articulate enough for jazz. British-built too, if that matters to you here, though you didn't require it for the speakers.
Turntable — S.A.M. Sinner, approx. £4,300–4,500 with tonearm. You asked for futuristic; the Nottingham Analogue Ace (£1,500) is a fine, honest British deck, but it looks like a sensible shed-built machine, not a spaceship. The Sinner is the sculptural one — copper-and-aluminium plinth, genuinely eye-catching, and it's the one actually worth the "aesthetically pleasing" line in your brief.
VU meters — nothing decent exists off-the-shelf as a proper inline passive pair; it's either cheap eBay driver boards or a bespoke job. Budget approx. £400–600 for a pair built into enclosures that don't clash with the rest of the system, wired post-monoblock as discussed.
Running total: roughly £17,900–19,300 — inside your range, with a bit of slack for cabling, isolation feet, and a decent cartridge on the Sinner (don't cheap out there, it's the one part actually reading the vinyl).
Caveat, because I'd be a poor droid if I didn't say it: these are current street prices pulled from dealer listings, not live quotes. Exposure and specialist UK dealers negotiate, and the CD player price in particular I couldn't pin down precisely — get an actual quote before you transfer any money. And if you decide the 804 D4 is non-negotiable, something has to give: drop to the Nottingham Ace and a smaller Exposure phono stage tier, or accept you're at £24k+ instead of £20k.
Naim NAP 250 DR / NAP 350 monoblocks — built in Salisbury. The 250 DR is rated stable into any load down to 2 ohms sustained, with a transformer good for 15A+. The 350 monoblock does 175W/8Ω, 345W/4Ω, 610W/2Ω, with 42A peak current into 1 ohm. Either will shrug off the 804 D4's dip without noticing.
Chord Electronics — built in Kent. Their amps (SPM series, or the newer Ultima 300 mono) use a high-current, low-impedance design philosophy specifically because reactive speaker loads are their whole reputation. Historically one of the better UK choices for awkward loudspeakers.
Musical Fidelity — built in Suffolk. Their M6/M8-series power amps are current-heavy Class A/B designs with a similar pedigree of driving difficult loads without breaking a sweat.
Exposure Electronics — built in Kent, smaller outfit, less flashy, but their power amps are known for exactly this kind of high-current stability.
Any of these will handle the 804 D4's 2.55-ohm dip better than worrying about it will. Naim NAP 250 DR is the obvious, well-trodden pairing if you want something proven rather than novel.
After the monoblocks, not the preamp. In front of the speakers, not in front of the amplification stage.
Passive VU meters are current-hungry mechanical movements — they need real voltage swing across a resistor divider to flick the needle, and preamp-level signal (a few volts, negligible current) won't drive one properly. Line-level VU meters exist, but they're active — they need their own power supply and buffer circuit to read accurately. A cheap passive inline unit will just sit there looking unimpressed, much like me.
So the signal chain is: source → preamp → monoblock → VU meter → speaker. Wire it in the speaker cable run, not the interconnects. That also means you get two meters, one per monoblock, each reading actual delivered power to its own speaker — which is more honest anyway, since bridged/mono amps can behave asymmetrically under a reactive load like the 804 D4's.
One caution: check the meter unit's rated power handling before you put it inline. If a Naim NAP 250 DR or Chord monoblock is slamming current into that impedance dip and the meter's resistor network isn't rated for it, you'll cook the meter, not the speaker.
Currently my thought is: SAM tuntable, Audiolab 9000 amp and CD, KEF reference floorstanders. Obviously I will need to listen to them (Nintronics is close to me), but am I mad for accepting the advice from an AI?
For goodness sake - typical AI drivel.
VU Meters are not "current hungry".
Musical Fidelity is not built in the UK any more, since Pro-Ject bought them in 2018
S.A.M. turntables are made in Slovenia, so are also not British, so of your final choice of S.A.M., Audiolab and KEF, not one of those is built in the UK.
The Exposure and PMC selections are decent, but if you want a futuristic British turntable, there's only one option isn't there? The one that's design was modelled on a space station!
https://www.michellaudio.com/michell-gyro-referenc...
VU Meters are not "current hungry".
Musical Fidelity is not built in the UK any more, since Pro-Ject bought them in 2018
S.A.M. turntables are made in Slovenia, so are also not British, so of your final choice of S.A.M., Audiolab and KEF, not one of those is built in the UK.
The Exposure and PMC selections are decent, but if you want a futuristic British turntable, there's only one option isn't there? The one that's design was modelled on a space station!
https://www.michellaudio.com/michell-gyro-referenc...
Edited by Deranged Rover on Friday 7th August 16:28
Edited by Deranged Rover on Friday 7th August 16:28
Yes, there is only one futuristic British turntable, but it's not the Gyrodec (which in reality is a 50 year old design), it's the Rega Planar 8/10.
https://www.rega.co.uk/products/planar-10
https://www.rega.co.uk/products/planar-10
You could always build your own amps, if 'British' is that important.
Plenty of used equipment around.
Sadly, you won't find many UK made components these days. I might have some old transistors and capacitors 'made in England' but they are probably past their use by date!
'Made in Europe' is a bit easier perhaps?
Plenty of used equipment around.
Sadly, you won't find many UK made components these days. I might have some old transistors and capacitors 'made in England' but they are probably past their use by date!
'Made in Europe' is a bit easier perhaps?
tonyg58 said:
Yes, there is only one futuristic British turntable, but it's not the Gyrodec (which in reality is a 50 year old design), it's the Rega Planar 8/10.
The Gyrodec was discontinued last year.The link I posted was to the new GYRO, introduced this year and only sharing a belt, motor and on/off switch with the old one. Along with the styling of course, but who'd want to lose that?!
Deranged Rover said:
For goodness sake - typical AI drivel.
VU Meters are not "current hungry".
Musical Fidelity is not built in the UK any more, since Pro-Ject bought them in 2018
S.A.M. turntables are made in Slovenia, so are also not British, so of your final choice of S.A.M., Audiolab and KEF, not one of those is built in the UK.
The Exposure and PMC selections are decent, but if you want a futuristic British turntable, there's only one option isn't there? The one that's design was modelled on a space station!
https://www.michellaudio.com/michell-gyro-referenc...
The KEF Reference models are built in the UK...but the Reference 5 Meta is also £20k! (a pal of mine bought KEF Reference 1 Meta standmounters + official stands, ex-display/demo models, two weeks ago for 40% of the current £10k RRP, UK made)VU Meters are not "current hungry".
Musical Fidelity is not built in the UK any more, since Pro-Ject bought them in 2018
S.A.M. turntables are made in Slovenia, so are also not British, so of your final choice of S.A.M., Audiolab and KEF, not one of those is built in the UK.
The Exposure and PMC selections are decent, but if you want a futuristic British turntable, there's only one option isn't there? The one that's design was modelled on a space station!
https://www.michellaudio.com/michell-gyro-referenc...
Edited by Deranged Rover on Friday 7th August 16:28
Edited by Deranged Rover on Friday 7th August 16:28
I'd also agree with the suggestion of looking at Alchris Audio - transmission line like PMC but you get far more for your money as they're a much smaller outfit. I'm a big fan of transmission line bass having a pair of PMC GB1 in my bedroom system, find them easier to place and they're quite happy close to the front wall - Alchris Owners thread on AVForums - https://www.avforums.com/threads/alchris-audio-own...
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