And the doors on Rolls Royce cars are made of titanium, too.I hope that for the price 90$ USD of a single bare PCB that you use Teflon, 2mm, 2oz copper, gold immersion and diamonds around the perimeter! 🙄
Well, we've been here before. Some people expect others to provide their labour and expertise for free. I think that's a bit naive, at least if you want a quality product.
When you buy my boards you're not buying a piece of fibreglass with some copper on it. You are buying a well designed, well characterized, and well documented circuit. You buy the peace of mind that comes with building something and knowing that it will perform well when you're done. You're buying the support and help that I provide if you should get stuck. That's worth something. If you don't agree, that's fine. There's always eBay... 🙂
Up to 12 boards ordered now. 10 paid for. The group buy will happen, it's just a matter of how many boards to order.
Tom
When you buy my boards you're not buying a piece of fibreglass with some copper on it. You are buying a well designed, well characterized, and well documented circuit. You buy the peace of mind that comes with building something and knowing that it will perform well when you're done. You're buying the support and help that I provide if you should get stuck. That's worth something. If you don't agree, that's fine. There's always eBay... 🙂
Up to 12 boards ordered now. 10 paid for. The group buy will happen, it's just a matter of how many boards to order.
Tom
Why don't you buy a pair and find out?
I don't have to, one of my friends did and I've heard them. Nothing bad to say about them.
Do
So far I've purchased 7 x Modulus-86 and one Parallel-86. I couldn't be happier. The quality of product literally speaks for itself. Don't hessitate.
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So far I've purchased 7 x Modulus-86 and one Parallel-86. I couldn't be happier. The quality of product literally speaks for itself. Don't hessitate.
I have 4 Mod86, excellent sound, excellent documentation, excellent kit. Well worth the price.
I'm thinking about getting 2 Parallel 86 boards and stealing the 4780s out of my Sympaticos. Is it hard to remove and reuse the amp chip? I've never used Quikchip. Is it easy to do?
I gotta decide quick! 😱
I have 4 Mod86, excellent sound, excellent documentation, excellent kit. Well worth the price.
Thank you.
I'm thinking about getting 2 Parallel 86 boards and stealing the 4780s out of my Sympaticos. Is it hard to remove and reuse the amp chip? I've never used Quikchip. Is it easy to do?
The pins on the LM4780 are pretty skinny. I'm not sure I'd attempt to desolder it.
I gotta decide quick! 😱
Yeah, sorry... I have a bit of travel coming up in August and want to make sure the boards get in the mail before I head out of town.
I'll look at the order stack over the weekend and round up to a reasonable number. I'll get a few extra boards. Not many, but some. That should allow the latecomers to get boards as well. Your boards are guaranteed if you order by Friday night. After that, you're gambling. But hey... Some are into that. 🙂
Tom
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Awesome. Thank you. Just mailed out the design documentation. You should have it in your email by now.
Tom
Tom
Just a reminder that this group buy closes in a few hours. I'll get a few extra boards but not a lot. Maybe 8-10. That way the latecomers won't be too disappointed.
If you'd like to ensure that you get your Parallel-86 boards, please pre-order here: Parallel-86 (Last Chance to Buy)
Tom
If you'd like to ensure that you get your Parallel-86 boards, please pre-order here: Parallel-86 (Last Chance to Buy)
Tom
The board order went into production this morning. I decided on getting 14 additional boards. That should leave some wiggle room for those who are still deciding. Once all 14 boards are sold, the pre-ordering will close and the Parallel-86 will sunset for the final time.
I expect all the pre-orders to ship around August 5th.
Tom
I expect all the pre-orders to ship around August 5th.
Tom
FWIW fellas I have 12 fully built Parallel-86 boards awaiting enclosures for my theater system. 8 boards for the main theater [7ch + 1 extra for good luck 😉] and 4 more boards that will be bridged for a sub amp!
I have enormous confidence in Tom's design prowess
Best,
Anand.
I have enormous confidence in Tom's design prowess

Best,
Anand.
Hello,
Output resistor inside the inductor it is wery unusuall solution.
Does the type of the resistor infuence finall inductance value??
Will it still be air core?
Output resistor inside the inductor it is wery unusuall solution.
Does the type of the resistor infuence finall inductance value??
Will it still be air core?
The inductor is commonly wound on the inductor. All the amps in the Elektor Electronics magazine in the 1980ies had their Thiele networks done that way. It's a bit inconvenient to build but it works well.
Tom
Tom
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