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Old 14th June 2013, 01:02 AM   #1
batty is offline batty  Australia
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Default Hagerman Bugle 2

Anyone built the Bugle2 ?
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Old 20th June 2013, 05:18 PM   #2
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Not yet but I'm thinking about it. I currently own the Vista Audio pre but would like to build my own phono stage. The Hagerman looks pretty simple and it's a full kit I believe.
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Old 21st June 2013, 10:18 PM   #3
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What's the difference between the 'Bugle' and the 'Bugle 2' ?
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Old 22nd June 2013, 05:34 AM   #4
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Default My Bugle 2 is up and running

Quote:
Originally Posted by batty View Post
Anyone built the Bugle2 ?
I was a sponsor of the Bugle 2 on kickstarter, and I built it the weekend the kit came in. The resistors are super-small and the colors are very hard to read, so I ended up measuring every one.

The build was easy - just a matter of taking things slowly. I implemented 40dB of gain, and used all the stock parts.

The preamp is replacing my EAR 834P, and doing a great job.

The first thing I noticed was that it's really quiet, despite being powered by a wall-wart. I cannot hear any noise or hum at all.

The second thing I found was that it is simply very transparent. I've been tweaking tracking weight and angle, and it's easy to hear the effect of changes.

I am enjoying listening to a lot of vinyl (I had to pull out my Nitty Gritty cleaner so I can listen to some old stuff). It's a real pleasure.

tim
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Old 23rd June 2013, 05:07 AM   #5
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Quote:
Originally Posted by Speedskater View Post
What's the difference between the 'Bugle' and the 'Bugle 2' ?
The Bugle2 is a second generation of the original Bugle.

Here's what Jim Hagerman has to say about the original Bugle design:
  • The Bugle is a low cost solid-state phono preamplifier. It utilizes a split, passive RC-type equalization network that offers excellent flexibility for customization. The circuit is not the typical "feedback" type commonly used, but rather uses the opamps as pure frequency-independent gain stages. Two of these gain stages drive the equalization networks followed by a third gain/buffer stage to provide a low output impedance. The overall gain is thus optimally split between the three stages.
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RC Preamp (in progress), DIY Silver cables, Open Baffle BOFU, DIY subwoofer, GainClone, o2 Headphone Amp
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Old 23rd June 2013, 05:28 AM   #6
6L6 is online now 6L6  United States
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I've been looking at making my own opamp phonostage. (Well, from a app. note, but you get the idea)

Recently I found out about the Bugle 2. Looking at it I see a few very clever things I would do on my phonostage.

But mostly I have found that I'm not very interested it trying my own anymore, and just want a Bugle 2...
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Old 9th August 2013, 03:33 AM   #7
6L6 is online now 6L6  United States
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And I finally got around to ordering one today.

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Old 9th August 2013, 10:47 AM   #8
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Quote:
Originally Posted by timbarnes View Post

The preamp is replacing my EAR 834P, and doing a great job.


tim
Please Tim can you describe the differents between your EAR and the Bugle2?


Hans.
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Old 9th August 2013, 10:56 PM   #9
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Quote:
Originally Posted by Speedskater View Post
What's the difference between the 'Bugle' and the 'Bugle 2' ?

Not an awful lot. A low quality PS in place of batteries is all i can spot. Not even newer opamps
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Old 9th August 2013, 11:04 PM   #10
lgreen is offline lgreen  United States
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Default bugle

Nice project. I've made a Bugle (original version) and it sounds great. Battery powered, no noise. (links below)
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