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Nahash5150

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Posts posted by Nahash5150

  1. After servicing quite a few Sunfires, I've noticed their shortcomings as well as areas which can be improved.

     

    I am currently working on a relatively universal upgrade for Sunfire AMPs. The upgrade will include updates to the amplifier circuits and tracking down converter for more power, better durability and much better soundstage.

     

     

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  2. We have our own solutions and I can custom order rare parts sometimes. In fact, my custom solutions are often better than a stock part.

     

    So my point is about the manufactures and their ignorance/ADHD/neglect of the market.

     

    A rather large market!

     

    Not about whether we have solutions.

     

    Of course we have solutions!

     

    It's just in some cases, I'd rather not have to make custom solutions...especially when the parts are out there but distributors just don't keep them in stock, which hints to the manufacturers that they aren't in demand.

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  3. 2 minutes ago, AndrewJohn said:

     

    doesn't Cornell Dublier list on their mouser listing for those big cans "on demand" with a large order of 1000 minimum?  That's 500 amps that each take two of these..., I think Cornell Dublier makes these in South Carolina, IIRC..., I am wrong a lot.

     

    I recall someone suggesting a group buy, to distribute the cost.

     

    ...just thinking out loud, not more than that as a strategy to address the change in the market.

     

    Sure, you can order 1000 @ $59.99 a unit, which is about $60,000. Pretty hard to recover that in a fiscal year, unless you're getting a lot of units in for repair that need those parts.

     

    Mouser and Digikey sometimes carry these types of parts - but they sell out in just a few weeks, and never bother to restock.

     

    It...is...so...strange!

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  4. Finding new capacitors to replace old ones is still a real challenge. My favorite excuse on the part of new parts manufacturers is that large can screw terminal capacitors are 'cheaper and better' if they are made with a gigantic diameter and short length. For anyone that's spent any time in vintage amplifiers, these large can capacitors were usually pretty tall (long) with a moderate diameter.

     

    First of all - what's the bother of making something already expensive a little 'cheaper'? These large can caps are already demoted to 'on demand' manufacture and I don't think anyone will care if they spend $59.99 a piece or $69.99 a piece to fix something that needs it...and I would bet they'd pay an extra $10, or more, to get the same freaking size they were made in the first place!

     

    Then there are the voltages...It's just as easy to find a 22,000uF 25V capacitor as it is to find a 10,000uF 450V capacitor.

     

    But exceedingly rare to find a 6,800uF or 10,000uF 125V capacitor.

     

    Weird?

     

    So much money lost, really, because these new parts cannot fit in old stereo gear anymore. Not even not so old equipment! The ways around the size issue don't involve buying any other kinds of screw terminal capacitors, so the void is nothing more than a complete loss of money and waste of resources on parts that frankly, can't be used.

     

    It would make sense to make parts that can be used over a wide range of applications...like...make them the same size they were made for decades before. Millions of applications.

     

    But, they don't want that market. Instead, only a small niche market that doesn't need more than 'on demand' manufacturing.

     

     

     

    OLD vs NEW

     

    These don't fit in the same space!!!!!

    image.png

     

     

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  5. Hello all! I hope you're enjoying the Carversite! and all it has to offer. 

     

    The current Administrators are:

    wrf - Lead Administrator

    Nahash5150 - Tech Staff

    AndrewJohn - Community Administrator

     

     

     

    The current Moderators are:

    Compwaco - Chief Global Moderator

    Sk1bum - Moderator

     

     

    An Administrator's job is to protect the community. Admins also assign medals/badges, approve new arrivals, organize the boards, moderate threads, assign roles, maintain the database, enforce the rules, and manage complaints. They also present ideas to the leadership for possible implementation. The Lead Administrator sets the agenda and the rules and manages all the Member Groups. The Community Administrator keeps the information organized, performs regular tasks, and manages the Moderators.

    Moderators keep the boards safe and fun. Moderators are not here to stifle free-speech, arm-twist or intimidate participants. They ensure that threads are kept organized and remain on-topic, and as active participants themselves, preserve the spirit of the community. Moderators, like the Admins, are here for you so that you feel welcome to share and participate without the worry of being harassed or flamed for it.

     

    If you have just signed up, then you are Inbound rank. You have limited access and you can't upload files yet. In order to advance to basic membership, you need over 6 positive reputation points. Reactions, such as 'thank you' to your content increase your positive reputation.

     

    There are three basic member Roles:

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    A Novice is new to the forum. They have limited access but can participate in the most popular forums such as Way Offscale and The Chain. In order to advance to Member, we expect a certain amount of activity to evaluate their willingness to be a part of the community. The post count required to advance to Member is 100. (If you are currently a Member and don't have 100 posts, you will not be 'demoted').

    A Member is considered an active participant. They have nearly full access to the site and its resources, and can progress in rank and earn medals by sharing their experiences in the audio world with the Site. As time goes on, a Member can eventually become a Resident or play a role as part of the Administration.

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    There is a special Member Role:

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    Carver repair/mod Team - Chosen only by the Administrator, these members are trusted with their skill to work on audio gear. They actively take work and offer a variety of services. They are also essential to the site's 'helpful hand' in assisting those who need help with their troubled gear. Carver Repair Team members are also Residents by default.

     

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    When a participant is Sandboxed, they have violated the forums rules. A warning is always issued before a participant is Sandboxed. If the warning is ignored, and participant continues to break rules or cause trouble - an Administrator, with the consent of the Moderators, will curtail their activity for an indefinite amount of time. Removal of the Sandbox status can only be done by the Site Owner or Administrator.

     

    This forum has a lot of options for you to find information, participate, and organize how you read and keep up with activity. Remember that you can do the following:

     

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    And so much more!

     

    Our goal is to maintain a site that is welcoming, helpful, courteous and fun. With audio and Carver as our common ground, we wish to stay focused on the music, and all the creativity that results.

     

    Have a great day!

    Hashy 
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  6. Very high dynamic range does not sound good. Very high sampling rates (over 48kHz) is useless. Bit depth beyond 16bit isn't useful either.

     

    The problem with digital audio is not these numbers, but the shenanigans that audio companies have developed to 'save on costs' in DACs, Analog Filters and Media.

     

    However, some people swear by their 192kHz/24bit audio files. You won't ever change their minds.

     

     

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  7. 2 hours ago, opusstuf said:

    Thanks to all for the replies. Still puzzling why the links (HERE) didn't work.

     

    I'm sorry - I don't see any trouble whatsoever with the links. Inbounds can click on the HERE link on the mainpage and be brought right to the Welcome Forum. But now you're a Novice, so you pretty much have access to everything and can post pictures.

     

    2 hours ago, opusstuf said:

    I could ramble on, but have things to do. I would very much appreciate a wild guess from Nahash5150 regarding the cost of restoring the C-1 and M1.5t components.

     

    No need to guess - all the details are on the Nelion Audio website.

     

    M1.5t restore and mkII upgrade

    C-1 restore and BillD upgrade

  8. @opusstuf

     

    There is a message at the top of the main page that reads like this:

     

    Welcome to TheCarversite! Please take a moment to introduce yourself HERE. Start a topic by clicking on the 'Start Topic' button at the top right of the screen when you arrive at the Welcome Shop. You must rank up to Novice before you can post pictures or download certain content. You will rank up after you receive over 5 positive reactions to your post. Don't worry - it's easy!

     

    - Administration

     

    So if you click on the HERE it takes you to the Welcome Shop Forum (where this topic currently is). As explained above, you can post all you want, but you have to be a Novice Rank to post pictures or downloads.

     

  9. UL certification is not a requirement.

     

    Since Bob Carver Corp sells them through 'showrooms' and now recently, directly from the factory, UL cert is entirely optional.

     

    Look - UL does a lot of good things, but it's also a shrewd business model. Not much different than NFPA for fire code. Both organizations are full of egg heads that look for ways to stay relevant in order to keep the testing and verification dollars coming in...

     

    Neither entity has any legal authority to tell manufacturers what to do or consumers what to buy. They are simply a 'third party' that gives clout to the integrity of a product, and thus, makes the product much easier to sell in a competitive market.

     

    It's local governments that determine the legality of manufacture and use. NFPA defers to the 'authority having jurisdiction' as the only, and final say in how a Fire System is installed. If the AHJ says 'follow NFPA 72 blah blah', then that is what you do. If the AHJ doesn't specify, then as a company you follow the NFPA guidelines to cover your ass (if anything happens, you can at least claim you followed the code, even though that code might not have been legally required).

     

    Local governments could simply say the same thing about UL - 'all appliances must be UL listed to be used in this building'.

     

    Now it's a legal issue. 

     

    So, does your local government require some kind of certification for the appliances you use in your home? If not, then the UL requirements don't mean anything!

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