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#1351 |
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diyAudio Member
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single mosfet buffer,p2p building.
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#1352 |
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Banned
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#1353 |
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diyAudio Member
Join Date: Jun 2006
Location: North Californie
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After several months of consideration, I "slapped together" this sub woofer amp. DIY TAP plastic case (power line filter keeps most of the noise out).
Aussieamplifiers.com 150 watt module and older PS-3 filter board driving Pyle Driver 15" speaker in 30 year old Cerwin Vega woof woof box. (buried in room corner).
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Over compression is a problem with modern CD recordings Last edited by FastEddy; 20th April 2010 at 01:14 AM. |
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#1354 |
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diyAudio Member
Join Date: Jan 2005
Location: Bangkok, Thailand
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Hi, showing off some pictures of the Borbely's Millenium75.
Class A all Fets, 75 Watt monoblock design. The heatsink is 25cm tall. Bias current is at 2.2A so it runs hot! During hot season like this, I need to to turn on the aircon to keep the room temp at 25C so the heatsink won't exceed 55C. Last edited by prakit; 20th April 2010 at 07:56 AM. Reason: Attaching photos |
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#1355 | |
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Banned
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Quote:
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#1356 |
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diyAudio Member
Join Date: Jun 2009
Location: Hamburg / Germany
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This is the way I want to set up my current "DIY - AMP" project:
![]() Mounting the 2 boards of Carlos Mergulhao's BlameES on a wooden MDF-plate (on the bottom, in the center: a small Soft-Power-On board with 2 transformers generating the voltages needed for my PreAMP (above), on the left and right side on the bottom: space for 2 torroid - transformers, still some space for a DAC) and nailing the MDF-plate to the wall above my desk. But I need a "console" to house the terminals for the speakers, inch inputs, LCD-display of pre-amp, push-buttons, ... How shall this console look like? Any idea? Best regards - Rudi_Ratlos P.S. This is a man's AMP. Last edited by Rudi_Ratlos; 21st April 2010 at 06:26 PM. |
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#1357 |
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diyAudio Member
Join Date: Sep 2008
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Quote:
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#1358 |
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diyAudio Member
Join Date: Sep 2007
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This is a three channel active ground source follower headphone amp. The heat sink and volume knob are also DIY, in fact, if you include the medical expenses incurred as a result of making the volume knob many would consider the volume knob alone to be audiophile quality. Most of this amp came from my parts box. I scavenged a vandal resistant stop cover for a Sloan flush valve at work and turned a core from some scrap Delrin I had on my lathe to build the volume knob and I machined the heat sink using a chop saw and drill press. The front panel is just a scrap of bronze Acrylic I had laying around and the base is a scrap of Maple from my wood bin. She sounds wonderful and is a great conversation piece to boot.
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"The magnet wire used to come from Radio Shack. In keeping with their policy of figuring out what the best products are and discontinuing them they no longer have it." - Max Robinson |
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#1359 |
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diyAudio Member
Join Date: Apr 2010
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__________________
"Some of the poorer commercial amplifier designs have negative feedback - not just implemented in the circuitry by the manufacturer but in an unhappy customer review" - Dr Wattson
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#1360 | |
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diyAudio Member
Join Date: Apr 2010
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Quote:
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"Some of the poorer commercial amplifier designs have negative feedback - not just implemented in the circuitry by the manufacturer but in an unhappy customer review" - Dr Wattson
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