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Old 7th January 2019, 05:29 PM   #6041
amplidude is offline amplidude  Denmark
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Default Carlos Blake mk

Can't wait to power up the dx blame mkiii by Carlos, just waiting for akane emitter resistors, the amp holds two 1200 watt toroidals, only one shown, capacitors are sprauge 21000uf 100v
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Old 7th January 2019, 05:40 PM   #6042
caldas is offline caldas  Brazil
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Holy, man!

What a monster
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Old 7th January 2019, 05:54 PM   #6043
amplidude is offline amplidude  Denmark
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Quote:
Originally Posted by caldas View Post
Holy, man!

What a monster
..let's hope the monster sings like an angel..
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Old 9th January 2019, 01:17 PM   #6044
greenocean is offline greenocean  Indonesia
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my amplifier inspired by Luxman M120A
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Old 9th January 2019, 01:38 PM   #6045
kct is offline kct  Canada
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Post your Solid State pics here.
^well done !
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Old 9th January 2019, 01:53 PM   #6046
amplidude is offline amplidude  Denmark
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Nice one...looks tough..!
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Old 10th January 2019, 04:18 PM   #6047
amplidude is offline amplidude  Denmark
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Default Dx blame

Channel 1 tested and running good
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Old 14th January 2019, 05:50 PM   #6048
Pwoolar is offline Pwoolar  United States
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Location: Texas
Default First DIY up and running!

E7936534-EC4F-40A5-BF08-E9232410CB6F.jpg

86B56841-E775-4163-81BF-D9D60FD132C2.jpg

Long post, sorry! I'm just very excited I actually made a working thing.

Got my MX50SE stereo prototype build put together and tested this weekend. I'm in the process of making a wooden enclosure with the same dimensions of a MacBook Air box (+1" height for heatsink clearance) so that's why the components are residing in one currently Everything fits with room to spare I just have the heatsink outside the box for ease of hookup.

The preamp/toneboard is powered on but not connected because it's an utter piece of garbage. Stay away from any double NE5532 pre kits that at all resemble this one. It clips to hell with any added bass or if turned up more than halfway. Also it's a linear volume pot instead of logarithmic so the first quarter turn does nothing and then the volume jumps up quickly. Junk.

I have a Chromecast Audio hooked directly to the amp modules so I can use my phone to control volume--which is good because these things are LOUD. The sound is crystal clear, no audible distortion or clipping even at an uncomfortable volume. There's absolutely no hiss or hum either which I was surprised about because I have all signal/power grounded to a ground bus on the PSU board and then protective earth from the mains cable hooked directly to the bus as well.

The heatsink was pulled from a Sony two channel receiver with four small Sanken output transistors. I was delighted to find that the screw taps on the sink perfectly fit one of the wide output Sankens on each of the MX50SE boards. The other two are temporarily clamped until I can drill and tap a spot for them.

Other than that I just gotta get an IEC fused power socket, RCA jacks, speaker posts, clean up and make permanent all the internal wire connections, figure out if I'm going to use coax or twisted pair RCA cable for the input signal, and stuff it all in a box!

A huge thank you to this forum for the help and inspiration to do this!
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Old Yesterday, 02:11 PM   #6049
kct is offline kct  Canada
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Post your Solid State pics here.
^good stuff !
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