GU-50 power amp

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W1GFH:
Quote from: wavebourn on May 16, 2007, 01:42:49 PM

Hi guys,

do you like this layout?



http://wavebourn.com/images/audio/gu50_amp_layout.gif





Is this for hifi/guitar consumers?

If so, I'd leave the small tubes where they are, and mount them on a series of platforms made from L-brackets, arraged with the tallest in the middle (like an Olympic Gold Medal ceremony). I'd paint the chassis fire-engine red except for a bare strip of aluminum shaped like a "V".  Also I'd add a few jeweled pilot lights.

wavebourn:
Quote from: W1GFH on May 16, 2007, 03:25:55 PM

Quote from: wavebourn on May 16, 2007, 01:42:49 PM

Hi guys,

do you like this layout?



http://wavebourn.com/images/audio/gu50_amp_layout.gif





Is this for hifi/guitar consumers?

If so, I'd leave the small tubes where they are, and mount them on a series of platforms made from L-brackets, arraged with the tallest in the middle (like an Olympic Gold Medal ceremony). I'd paint the chassis fire-engine red except for a bare strip of aluminum shaped like a "V".  Also I'd add a few jeweled pilot lights.


Thank you!

It is actually a vocal amp for concerts, 2X100W output. Also, I am going to target them as studio monitoring amps. Front panel will be made of Lexan. It will be fitted into a grilled 4U enclosure so all internals will be visible.

Rick K5IZ:
I'd be interested in hearing more about the studio monitoring aspects when it's complete.  She's gonna be a beaut!
Rick

k7yoo:
Leave the tubes out near the edge so you have enough room for the tank circuit components

wavebourn:
Quote from: Rick K5IZ on May 16, 2007, 03:37:22 PM

I'd be interested in hearing more about the studio monitoring aspects when it's complete.  She's gonna be a beaut!
Rick


I can tell you now: unlike solid state amps it is immune to cellphones near speaker wires, it is the most significant advantage except warm tube sound.

Thank you!

I am going to order also perforated 4U enclosures for them, like Collins transmitters. The enclosure will be black, the chassis will be bright red.

Front panel made of lexan, with pair of volume knobs, power switch, and safety "ignition" key, like on this my breadboard:



http://wavebourn.com/images/audio/gu50ampbg.gif

Input and output sockets will be on rear panel

(2 for in, 2 for 4 Ohm, 2 for 8 Ohm, 2 for 16 Ohm) -- all TRS.

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