Entech tidbit
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Entech tidbit| thedelihaus |
Posted: January 06, 2008 11:01 am
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 The Black Dahlquist  Group: Moderator Posts: 2478 Member No.: 9 Joined: June 30, 2006  |
One of my two DACs is an Entech 205.2. Love the little bugger- great sound, easy to use, diminutive in sound.
However, mine would emit a slight hum- barely audible- but indeed there. Simple fix- I isolated the power supply better. Seems the casing of my amplifier was picking up "hum" from the power supply. Moved it a bit, and it transferred to my CD player. Moved it again, and I think the interconnects (or a power cord?) was picking it up. Finally got wise and moved it about 14-16 inches away, and problem solved. Works quiet now, no hum. Thought I'd share. -------------------- What you got back home, lil' sister, to play yer fuzzy warbles on? Pitiful, portable picnic players? Come with uncle & hear all proper! Hear angels trumpets & devils trombones. You are invited!
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| clint e. |
Posted: January 06, 2008 12:18 pm
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 D161t@L 0N L1N3 / Analog at heart Group: Moderator Posts: 6089 Member No.: 40 Joined: July 13, 2006 |
Yeah, power cables and interconnets don't like to be closer to each other.
 --------------------   " Not everything that can be counted counts, and not everything that counts can be measured " Albert Einstein |
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| thedelihaus |
Posted: January 07, 2008 01:21 am
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The Black Dahlquist Group: Moderator Posts: 2478 Member No.: 9 Joined: June 30, 2006 |
And with the outboard power supply wart of the Entech, it makes a very big difference! -------------------- What you got back home, lil' sister, to play yer fuzzy warbles on? Pitiful, portable picnic players? Come with uncle & hear all proper! Hear angels trumpets & devils trombones. You are invited!
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| dingus |
Posted: January 07, 2008 01:07 pm
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 How can people be so cruel? Group: Admin Posts: 4734 Member No.: 3 Joined: June 29, 2006 |
Paul,
have you compared your Entech with your PS Audio dac? i didnt do a direct A/B comparison with my Entech 203 and my EAD, but the improvement with the EAD was obvious. i'm wondering if the 205 is close enough in performance to make it a better value over the PS Audio or EAD. it can be had (if you can find it) for around $100 or less, while the EAD and PS Audio dac's go for considerably more. -------------------- Teledyne AR9, Yamaha B-2x, Yamaha M-2, Hafler DH-110, EAD DSP 1000, Wadia WT-3200.
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| Superfly |
Posted: January 07, 2008 02:12 pm
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 Disruptive Influence  Group: Charter Member Posts: 1012 Member No.: 2 Joined: June 29, 2006 |
You guys sure are fascinated with them there number crunchers.
 -------------------- Large Member
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| thedelihaus |
Posted: January 07, 2008 07:29 pm
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The Black Dahlquist Group: Moderator Posts: 2478 Member No.: 9 Joined: June 30, 2006 |
The PS Audio is a great unit, and detail is impeccable. The problem arises with it being a bit bright at times- bringing out the worst of bad CDs. The Entech is easygoing in this regard, and a truely smooth DAc, still retaining plenty of detail and to my ears never sounding harsh. This hasn't been a direct swap, but I still feel it holds merit. The thing with the Entechs now, is they're climbing once again in price. $125-$175 and up, as of late. So, not quite the bargain they once were. That said, they still are worth every penny, as far as I'm concerned. -------------------- What you got back home, lil' sister, to play yer fuzzy warbles on? Pitiful, portable picnic players? Come with uncle & hear all proper! Hear angels trumpets & devils trombones. You are invited!
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| dnewma04 |
Posted: February 04, 2008 06:46 am
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 PITA Group: Charter Member Posts: 165 Member No.: 14 Joined: July 03, 2006 |
I've got a little Entech 205.2 that I'm also very happy with. I recapped the board wth better quality panasonic caps and swapped the OPA2134 opamp with a socket so I could roll some various opamps and see what I like best. Right now, the LM4562 seems like the best option. All of the attributes of the OPA2134 with more detail. Need to buy 2-3 others and play, then report back. I also have plans to convert it from half wave rectification to full wave and do that on an external chassis.
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| captains log |
Posted: April 14, 2008 11:24 pm
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Sound Thinking Member Group: Members Posts: 4 Member No.: 459 Joined: April 14, 2008 |
Hello...
I have also got one of these 205.2 dacs.... love it  I have swopped the original diodes for a couple of MUR860's, main smoothing caps are Panasonic ECA's.. dac decoupling caps are BG-NX Hi-Q, all others are Rubycon ZA...not done the op-amp yet... built a BIG psu for it... may swop out the dac chip for the 4390 as its pin compatable... I will do the regs soon...probably do some shunts for the dac chip and the output stage. I really love the detailed, fast, dynamic sound that this thing produces... Regards JC |
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| clint e. |
Posted: April 15, 2008 05:34 am
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D161t@L 0N L1N3 / Analog at heart Group: Moderator Posts: 6089 Member No.: 40 Joined: July 13, 2006 |
Please, can you put some pics of your mods in "Tweaks and DIY" topic ? -------------------- " Not everything that can be counted counts, and not everything that counts can be measured " Albert Einstein |
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| captains log |
Posted: April 15, 2008 10:49 am
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Sound Thinking Member Group: Members Posts: 4 Member No.: 459 Joined: April 14, 2008 |
Re Pics....
I will put some up over the course of the next couple of days... Regards JC |
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| clint e. |
Posted: April 15, 2008 12:56 pm
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D161t@L 0N L1N3 / Analog at heart Group: Moderator Posts: 6089 Member No.: 40 Joined: July 13, 2006 |
Tanx JC.
-------------------- " Not everything that can be counted counts, and not everything that counts can be measured " Albert Einstein |
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