rabski

Moderator
  • Content Count

    27,033
  • Joined

  • Last visited

  • Days Won

    195

rabski last won the day on July 25

rabski had the most liked content!

Community Reputation

6,063 Excellent

5 Followers

About rabski

Personal Info

  • Location
    Kettering
  • Real Name
    Richard

Wigwam Info

  • Turn Table
    Well Tempered
  • Tone Arm & Cartridge
    Audio Technica 50ANV
  • SUT / Phono Stage
    Kairsound/DIY valve
  • Digital Source 1
    Stable platter
  • Digital Source 2
    Computer and HiFace
  • DAC
    DIY valve AD1865 NOS
  • Integrated Amp
    Assorted flavours
  • Pre-Amp
    Various DIY valve
  • Power Amp/s
    845 SET/others
  • My Speakers
    Living Voice
  • Headphones
    AKG
  • Trade Status
    I am not in the Hi-Fi trade

Recent Profile Visitors

5,609 profile views
  1. OTL means 'output transformerless', in other words, the valves drive the headphones direct, rather than through a transformer. You'd need a circuit diagram to tell where the preamp output comes from, as there are different possibilities. One suggestion that might be made is what appears the obvious one of removing a valve or two and seeing whether there is still a preamp output. This may not be a good idea, however, depending on how the power supply is implemented.
  2. That's definitely an age giveaway. Never happens these days, it's all online
  3. The way my phone screen displays things, all I could see initially of your post was 'you can get wood'. I knew there was at least one good reason for using the computer to access the site...
  4. Never tried the Van den Hul. I'm biased probably because I had one of their cartridges and hated it. Totally irrational, but there you go. I use Van Damme 'hi fi', but I did find a surprising (and totally unexpected) difference between them and the 'blue' version. Maybe imagination, but they do measure slightly differently and I found the blue rolled off the top end a touch. I don't think the hifi version is a cheap speaker cabkle. I think it's a very effective cable at a surprisingly low price. That said, I'll have a go with some of Uzzy's stuff. Why not?
  5. Hi Rab

    I've got a thread running in Tech corner.

    Could you move it to 2 channel please. It may be of some interest to the wider audience. lol

    Ta

    Simon

  6. The software is not always the only thing we have, and even if it is, we may have the knowledge to interpret it. For example, anyone who has been to a live performance (or a number of them) by a particular group or an artist, will have some idea of the sound they presumably aim for. Sometimes, the recording engineer or producer can have a fairly different approach. Further, there are many producers who aim for a particular sort of 'signature' to their output. I can think of one or two who inevitably produce albums that have an emphasis on one or another part of the frequency spectrum. I don't treat the recorded content of my collection as if it's somehow passed down from on high and is prohibited from being touched. For a start, I've got a number of instances where different pressings of the same LP are significantly different, so that rather buggers up the argument that we 'know' what the artist wanted. With some LPs, it's because the producer or engineer made a different decision later on, or because a known issue was corrected. Peter Gabriel is fairly fussy about sound quality, but if you've got a reasonably early copy of So, you'd be forgiven for thinking otherwise. Later versions were differently mastered to get rid of the sibilance and change the frequency balance a little. Therefore, if you have an early copy and turn the treble down a bit, you're not 'messing' with what the artist intended, you're actually making it sound like they wanted it to. Anyway, it's music. It's pleasure. It's fun. There are no 'right' or 'wrong' ways to listen. If you like how your system sounds, then it's a good system. End of.
  7. rabski

    Amp building services

    I need them unfortunately. I'm far happier with a 1200 volt HT line than a PowerPoint presentation, but needs must
  8. All the artists I know are fussy about sound quality when playing, and some of them incredibly so. But they're mostly realistic and aware that the majority, or probably vast majority, of listeners are going to be hearing the results on average to fair replay systems. I know enough musicians, producers and engineers to be aware that the idea of your system only being perfect if it reproduces exactly what's on the medium is just laughable. On the other hand, I absolutely agree with getting the response pretty flat to start with and then tinkering to suit your tastes. Two wrongs never make a right.
  9. Jeff Beck, Live at Ronnie Scott's. Available on BluRay on and off. At the moment, Amazon don't have it but there are some copies around. Utterly stunning concert and superb quilty recording.
  10. rabski

    Amp building services

    Your link didn't work Henry. This seems correct: http://www.zinamp.co.uk/range/kitbuild.html
  11. Ah. I edited above to say similar
  12. https://www.screwfix.com/p/nexans-3183yag-yellow-3-core-1-5mm-flexible-cable-10m-coil/2950t Rated to 500VAC. For site use, yellow is normally kept for 110V isolated use, but that's to identify power tools, rather than anything to do with the cable's actual insulation rating.
  13. That is changing for the better. The Beeb actually have internal standards in place, and the dynamic range of every BBC station is much higher than 10dB. It's not the broadcasters who are responsible for compression and limited DR, it's mostly the record labels.
  14. It's all mostly a wild guess for a number of reasons. In mathematical terms, dB is not linear, so there is no simple '1 watt equalls 1dB' sort of relationship. Also, the room will have a substantial effect on how 'loud' speakers are. Lastly, the sensitivity (and impedance) quoted for speakers is a nominal figure and will vary depending on the frequency. Also, very few quoted output figures actually relate to real life listening, especially in terms of the output before distortion increases significantly. Just because a manufacturer quotes a maxiumum 100 watts RMS output doesn't mean the amp will actually produce listenable music at that power.
  15. I think the issue with Yessongs is that the original recordings are less than ideal.