The Doobie Brothers – Toulouse Street

25 Jul

The Doobie Brothers - Toulouse Street CB051  frontLink

Toulouse Street is the second album from the Doobie Brothers. Their self-titled first release failed to chart. Toulouse Street is the name of a street in the French quarter of New Orleans. The cover and inside centrefold photos were taken at a former brothel on Toulouse Street. Perhaps the working title was Well Placed Hat but there is no proof of that. 🙂

This release was sourced from a CD-4 record and is the Captains first offering from that format. If any of you have a CD-4 set-up then you realize how touchy CD-4 can be. It is by no means a plug and play solution. This is the surprise I mentioned earlier and I do hope it is acceptable to the quad community here. If successful this would open the door to many more titles that could find a home here on this blog. As always enjoy. CB


Release: CB051

Source: CD-4



28 Responses to “The Doobie Brothers – Toulouse Street”

  1. bigheadrascal August 28, 2015 at 03:03 #

    As alluded to, and as Summer shows signs of waning in the colonies, I’m catching up on what’s been happening in the quad arena. And, as luck would have it, I stumbled on my Q4 transfer of this album while looking for something else. A comparison between it and CB’s CD-4 transfer is a no brainer. While the Q4 is by no means a slouch, I have to give the thumbs up to the CD-4 transfer. It is no less discrete to my ears than the Q4. It wins my preference with its fuller dynamic range and transparency.. I hope this serves as encouragement to CB to continue his efforts with CD-4 despite how frustrating it must be. Now on to looking for that something else I was looking for.

  2. ultimatetrouble August 9, 2015 at 22:36 #

    Finally able to hear this one. I must say I’m really impressed with the four channels, something different on each one. Unlike some where it seems fake, but this title is great. The wife is yelling at me to turn it down but no way, good music like this is a rare thing. Thanks To the two Lords of Quad, OD and CB. If it were not for you two, the quads would be a memory for those who knew what it was. We have to keep all this amazing history alive.

  3. Alfie July 31, 2015 at 12:58 #

    Thanks for this release which I look forward to listening to.

    I have no quad equipment beyond a surround amp, so please excuse the ignorance in my question. I have a number of CD-4 LPs, but have no idea how to decode (or demodulate, if that’s the correct term) them. Can the vinyl be captured to stereo provided a cartridge with a high enough frequency range is used to catch the carrier signal, with the decoding occuring in the digital realm? Or do the discrete channels need to be produced analogue before being captured.

    • oxforddickie July 31, 2015 at 13:34 #

      For the moment, at least, CD-4 LP’s need to be decoded using a CD-4 demodulator connected to a turntable equipped with a cartridge with a wide frequency response (up to at least 45k) and either a Shibita stylus or another form of fine-line stylus.

      The output of the demodulator is then used as the four channel record source. There are issues regarding the possibility of any form of software decoding but i’m sure that as technology advances these will be overcome.

    • Owen Smith July 31, 2015 at 13:38 #

      Short answer: the discrete channels need to be produced analogue using the demodulator before being captured.

      Longer version: if the stereo is capture at 96KHz with a high frequency response cartridge (which most can’t do) the CD-4 ultrasonic carriers can be captured, in theory. But the only way to decode that at present is to play it back out as analogue, run it through the demodulator hardware and then capture the 4 channels. So I can’t personally see the point of this rather complicated approach. And you have to get the playout level correct for the CD-4 rear channel noise reduction to work properly, and you have to capture the output from the stylus without using any EQ which excludes normal phono preamps. But I have seen reports online from someone that claims to do this. Why is a mystery to me.

    • Alfie July 31, 2015 at 17:37 #

      It does sound particularly complicated. Thanks for your considered responses.

      • Owen Smith July 31, 2015 at 19:01 #

        It is particularly complicated. So gloriously, madly so that even a mad scientist would admire it as they planned world conquest (Muh ha ha ha! etc.)

  4. Owen Smith July 29, 2015 at 19:00 #

    Great music and a great quad mix to go with it. Fully active mix with plenty in the rears, but always suits the style of the music and never takes over the experience. Not a band I’m familiar with, but of course I know the opening track.

    The CD-4 transfer sounds great Captain, it’s definitely worth doing more. The sonic character is clearly different to any of Q4/Q8 and any of OD’s LP or CD matrix decodes. I’m not really sure what it is I’m heariing, but there’s something that makes it stand out. It could be just how this album was originally EQ’d or it could be how CD-4 works and it’s not a bad thing, just a bit different. It’s going to take more and varied CD-4 on the blog to get used to CD-4 and what is sonic character of the format vs. what is the album mix and mastering. Maybe I’ll dig out DS64 Average White Band transferred by Malcolm Piper as a comparison, that was a very clean CD-4 transfer.

    And OD, did you discuss with the Captain bypassing that stupid switch on the JVC demodulator? Switching the low level signal from the stylus is never a good idea.

    • oxforddickie July 29, 2015 at 19:14 #

      There are a number of possible reasons why CD-4 sounds different, some of which are limitations of the system and some due to the design of the demodulator.

      I have told The Captain there is a mod that really be done, but rather than get him to do the standard ‘short the switch out’ method i’d prefer it if he did the job properly, thereby removing it all together plus reducing the capacative load seen by the cartridge, which with CD-4 is always a good thing.

      Unfortunately, when i did one of my demodulators i didn’t write it down so will have to revisit it on another unit. Problem is time.

      • Owen Smith July 31, 2015 at 19:03 #

        I’ve listened to DS64 now and don’t hear the sonic character there. So it’s not CD-4 itself. It must be either the way this album was recorded/mixed, or the character of the particular JVC demodulator yourself and the Captain use. Do you happen to know what demodulator Malcolm Piper used?

        • oxforddickie July 31, 2015 at 19:14 #

          He uses exactly the same model – JVC 4DD-5, easily the commonest demodulator around as it was re-badged by Grundig and Marantz, and possibly others.

    • Owen Smith July 30, 2015 at 00:16 #

      Surely shorting the switch out now (which at least avoids the horrible switch contacts) would still allow the better mod to be done later? The current from the stylus may not even be above the “wetting” current and the contacts may be oxidises while in use.

      (We had a switch at work which carried 1 microamp, which was well below silver plated contacts wetting current. We had to change to gold plated so the switch didn’t fail even while current was running through it.)

      • oxforddickie July 30, 2015 at 04:43 #

        I was taught never to cut corners, if a jobs worth doing then do it right. It pays in the long term.

  5. joeerand July 28, 2015 at 07:40 #

    Thank you!

  6. cheezmo July 27, 2015 at 01:41 #

    A real treat. Sounds good to me!

  7. jaypfunk July 26, 2015 at 22:04 #

    In everyone’s/anyone’s opinion how does CD-4 compare to Quad Reel? I am assuming most Quad Reels would be more discreet?

    • Owen Smith July 26, 2015 at 23:07 #

      I think the answer to that is “it depends”. CD-4 is sort of discrete, in the same way that FM stereo is discrete stereo. FM transmits left and right as a mono signal and a left/right difference signal, CD-4 does the same except once on the left and again on the right with two front/rear difference signals. If you believe this makes CD-4 not discrete then FM stereo is not truly discrete stereo either. I don’t see people complaining about FM stereo.

      In practice it’s more about how good condition is the CD-4 LP in and how well was it mastered, vs. the same question for the Q4. A bad Q4 with lost oxide due to Sticky Shed Syndrome may sound worse that a CD-4.

      And then there’s the simple matter of in which format people happen to have a copy of a particular album.

  8. sailorpaul July 26, 2015 at 04:55 #

    I believe I have this one and several other DB titles that were transferred from Q4 tape. I’ll have to do a comparison at some point. Captain… I also have a CD-4 transfer of Jackson Browns Late for the Sky… It is excellent. Is it your from your efforts?

    • captainbeyond55 July 26, 2015 at 17:23 #

      I would think the DB titles transferred from Q4 would be superior to any CD-4 transfer. The Jackson Brown – Late For The Sky transfer you mention is not a CB effort.

    • rockysquirrel July 26, 2015 at 22:00 #

      I know that “The Captain and Me” and “Stampede” were released on CD-4 records.

    • sacdtodvda July 27, 2015 at 05:08 #

      It is likely that all of these you mention were done by Romanotrax. My copies were.

      • oxforddickie July 27, 2015 at 06:33 #

        Which does not mean that those titles will not appear here.

  9. bigheadrascal July 25, 2015 at 17:57 #

    Superb transfer and a wonderful album. Hopefully this is just the first of many more CD-4 releases. Many thanks CB and OD!

  10. Gul Dukat July 25, 2015 at 07:29 #

    Dankeschön, thanks

  11. Owen Smith July 25, 2015 at 01:22 #

    I look forward to hearing your first CD-4 release Captain, and well done getting it working. CD-4 could be a format that both yourself and OD release since OD also has the equipment. But he also has enough matrix titles to keep him going for a very long time.

  12. zaphod2359 July 25, 2015 at 01:03 #

    Big DB fan here. You made my day and weekend! Thank you!

  13. prefabfan July 25, 2015 at 00:49 #


  14. rockysquirrel July 25, 2015 at 00:26 #

    Thanks much!

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