OO's "Sloppy Seconds" Have Arrived!

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elgrau
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OO's "Sloppy Seconds" Have Arrived!

Post by elgrau » Sat Jan 22, 2011 4:07 pm

Ok; the "spare" ("sloppy seconds"... :lol: ) A-705 that OO has replaced with another unit and thus generously gifted me with this one has arrived.......have not opened it up yet (the unit...have opened the box; well packed, no apparent shipping damage!). The little "trimmer" pots at the back that he has "plastic ties" putting lateral force onto (evidently to make them conduct?) looks pretty "inventive"! Hopefully deoxit might fix them...if not I guess I'll replace them. Then I probably will need to get a surround sound decoder/preamp to "feed" these five channels. Currently have a rinky dink one that provides low powered rear and center channel amps and I use my TFM-45 and EPI 1000's for the fronts. Anyone have a recommendation as to which decoder box/preamp might be best for this situation? Will probably contine to use same setup (45 and 1000's) for front channels as I have no plans to get any SS front speakers.
And thanks OO, for gifting me this A-705. Look's pretty cool! Your CD's and check for shipping will soon be on the way!
Ed
FR: 400 disk changer with PS Audio Digital Link III DAC; Technics SL-1100A TT. QED Quenx1 IC's from DAC & TT to Adcom GTP-602 preamp/Tuner. AudioQuest King Cobra IC's from preamp to M1.0t mk-II opt2. QED Silver Spirals 4M wires to EPI 1000’s.
LR: AudioEngine wireless link from family room preamp to Barcus-Berry 2002R Sonic Maximizer to GlowPower Zyxt IC's to Sunfire 300x2 to Nordost 6M bi-source wires to AOS 28" MDF spherical speakers using six 6.5" woofers and eight 1" dome tweeters symm. arranged around the surface.
SS system: CX-995V DVD to AV-634x 3-4 channel amp (center/rears) & M1.0t mk-II opt2(fronts).
Garage: 300 disk changer to Entech 202.5 DAC to MXR150 Receiver (pre) to TFM-42 to EPI 400 speakers.

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Re: OO's "Sloppy Seconds" Have Arrived!

Post by Jag_97470 » Sat Jan 22, 2011 6:25 pm

A CT28-V would be around the same year of your 705 that might make a good match. You can find these out there pretty cheap these days. I put my CT28V in storage because it has a cracked output and I replaced it with a Sunfire TGP-III. You also might want to consider the Sunfire processors > they are "really nice". I enjoyed the CT28V while it was in my system, good pre-amp. That was nice of OO, great addition! =D>

elgrau
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Re: OO's "Sloppy Seconds" Have Arrived!

Post by elgrau » Sat Jan 22, 2011 9:42 pm

Might be "in luck": the AudioSource SS processor I have does have "signal out" for all 5 channels (so I can bypass the crappy amps it has for rears and center channels). It hums some, but I'm hoping that's the amps and not the preamps it has...

The A-705 has two "issues": several of the trimmer pots at the rear might need replacing. This looks easy and can be done w/o removing the amp boards. The other issue is that one of the RCA input plugs for one of the channels is broken (no outer ground metal). To replace this you'd need to remove this amp board and that looks like it would require a complete teardown as the "back plane" CC needs to be removed....anyone ever work on one of these? I can just get three channels working (all I need for my SS setup...fronts go thru my TFM-45) without doing this, but I'd like to get it to 100% operational if easy/possible...
FR: 400 disk changer with PS Audio Digital Link III DAC; Technics SL-1100A TT. QED Quenx1 IC's from DAC & TT to Adcom GTP-602 preamp/Tuner. AudioQuest King Cobra IC's from preamp to M1.0t mk-II opt2. QED Silver Spirals 4M wires to EPI 1000’s.
LR: AudioEngine wireless link from family room preamp to Barcus-Berry 2002R Sonic Maximizer to GlowPower Zyxt IC's to Sunfire 300x2 to Nordost 6M bi-source wires to AOS 28" MDF spherical speakers using six 6.5" woofers and eight 1" dome tweeters symm. arranged around the surface.
SS system: CX-995V DVD to AV-634x 3-4 channel amp (center/rears) & M1.0t mk-II opt2(fronts).
Garage: 300 disk changer to Entech 202.5 DAC to MXR150 Receiver (pre) to TFM-42 to EPI 400 speakers.

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kingman
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Re: OO's "Sloppy Seconds" Have Arrived!

Post by kingman » Sun Jan 23, 2011 1:28 pm

Sweet karma OO!!!! =D> 8) =D>
In reality, it only matters what it sounds like to YOU!!!

elgrau
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Re: OO's "Sloppy Seconds" Have Arrived!

Post by elgrau » Sun Jan 23, 2011 4:34 pm

Actually turned out to be very easy to remove the amp boards (I commend Bob on this design :lol: ): you just unscrew from I/O plugs and chassis the backplane of the amp and the boards unplug easily from the "motherboard". Here is pic of the one with the busted RCA female plug. The trimmer pot that are "broken" on some of the 5 amp boards is right above this plug. Will take it over to electronics parts place tomorrow at lunch time and maybe they'll have these two parts..cool!:
Attachments
IMG_3447.JPG
IMG_3447.JPG (692.82 KiB) Viewed 4938 times
FR: 400 disk changer with PS Audio Digital Link III DAC; Technics SL-1100A TT. QED Quenx1 IC's from DAC & TT to Adcom GTP-602 preamp/Tuner. AudioQuest King Cobra IC's from preamp to M1.0t mk-II opt2. QED Silver Spirals 4M wires to EPI 1000’s.
LR: AudioEngine wireless link from family room preamp to Barcus-Berry 2002R Sonic Maximizer to GlowPower Zyxt IC's to Sunfire 300x2 to Nordost 6M bi-source wires to AOS 28" MDF spherical speakers using six 6.5" woofers and eight 1" dome tweeters symm. arranged around the surface.
SS system: CX-995V DVD to AV-634x 3-4 channel amp (center/rears) & M1.0t mk-II opt2(fronts).
Garage: 300 disk changer to Entech 202.5 DAC to MXR150 Receiver (pre) to TFM-42 to EPI 400 speakers.

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Re: OO's "Sloppy Seconds" Have Arrived!

Post by OconeeOrange » Wed Jan 26, 2011 4:26 pm

Damn, I had all 5 channels working with just the plastic ties -- :lol:

I figured you being an expert would improve on that, but had no idea it would turn into a hobby for you.

I personally believe the 705 is just excellent, and have one hooked to my new 55" TV.
The one you now have was bi-amping my CRS3 speakers with no problem, but I got a deal on the Sunfire amp Kingman said I wanted/needed - ](*,)

Every time I see a 705 on ebay, I want it -- :( :(

I have a 505 bi-amping in my RedNeck Bar and it will knock your socks off.

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Re: OO's "Sloppy Seconds" Have Arrived!

Post by elgrau » Thu Jan 27, 2011 11:00 pm

Boo-ya! Mouser has the trimmer pots (Piher 50k with hex hole)....ordered 5 @ 0.46 each...now just need to fix the one broken RCA plug and this amp should be "good as new"...here's hoping anyway. Then I probably will see what it sounds biamping the sphere's...always wanted to see what biamping sounds like anyway!
FR: 400 disk changer with PS Audio Digital Link III DAC; Technics SL-1100A TT. QED Quenx1 IC's from DAC & TT to Adcom GTP-602 preamp/Tuner. AudioQuest King Cobra IC's from preamp to M1.0t mk-II opt2. QED Silver Spirals 4M wires to EPI 1000’s.
LR: AudioEngine wireless link from family room preamp to Barcus-Berry 2002R Sonic Maximizer to GlowPower Zyxt IC's to Sunfire 300x2 to Nordost 6M bi-source wires to AOS 28" MDF spherical speakers using six 6.5" woofers and eight 1" dome tweeters symm. arranged around the surface.
SS system: CX-995V DVD to AV-634x 3-4 channel amp (center/rears) & M1.0t mk-II opt2(fronts).
Garage: 300 disk changer to Entech 202.5 DAC to MXR150 Receiver (pre) to TFM-42 to EPI 400 speakers.

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jjptkd
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Re: OO's "Sloppy Seconds" Have Arrived!

Post by jjptkd » Fri Jan 28, 2011 1:11 am

Good luck with the repair-- I'm curious to hear your opinion about that amp. I'll probably end up with one sooner or later. :D
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Scarabeo
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Re: OO's "Sloppy Seconds" Have Arrived!

Post by Scarabeo » Fri Jan 28, 2011 3:07 am

jjptkd wrote: I'll probably end up with one sooner or later. :D
Smart move OCCD is too powerful to fight - Better to just enjoy the Ride and all the Music that comes with it... =D>
BillD, You will be forever with us! RIP until we meet again on the other side...

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Re: OO's "Sloppy Seconds" Have Arrived!

Post by OconeeOrange » Fri Jan 28, 2011 2:22 pm

elgrau wrote:Then I probably will see what it sounds biamping the sphere's...always wanted to see what biamping sounds like anyway!

Not familiar with "shere's", is this what you have ?

http://www.gizmag.com/cabasse-la-sphere ... ers/12539/
sphere.jpg
sphere.jpg (101.73 KiB) Viewed 4898 times

elgrau
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Re: OO's "Sloppy Seconds" Have Arrived!

Post by elgrau » Fri Jan 28, 2011 7:49 pm

More like this, OO:
Attachments
IMG_3361.JPG
IMG_3361.JPG (519 KiB) Viewed 4886 times
FR: 400 disk changer with PS Audio Digital Link III DAC; Technics SL-1100A TT. QED Quenx1 IC's from DAC & TT to Adcom GTP-602 preamp/Tuner. AudioQuest King Cobra IC's from preamp to M1.0t mk-II opt2. QED Silver Spirals 4M wires to EPI 1000’s.
LR: AudioEngine wireless link from family room preamp to Barcus-Berry 2002R Sonic Maximizer to GlowPower Zyxt IC's to Sunfire 300x2 to Nordost 6M bi-source wires to AOS 28" MDF spherical speakers using six 6.5" woofers and eight 1" dome tweeters symm. arranged around the surface.
SS system: CX-995V DVD to AV-634x 3-4 channel amp (center/rears) & M1.0t mk-II opt2(fronts).
Garage: 300 disk changer to Entech 202.5 DAC to MXR150 Receiver (pre) to TFM-42 to EPI 400 speakers.

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Re: OO's "Sloppy Seconds" Have Arrived!

Post by OconeeOrange » Fri Jan 28, 2011 8:15 pm

W O W !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Scarabeo
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Re: OO's "Sloppy Seconds" Have Arrived!

Post by Scarabeo » Fri Jan 28, 2011 11:52 pm

The Deathstar of sound, with Handles no less!
BillD, You will be forever with us! RIP until we meet again on the other side...

elgrau
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Re: OO's "Sloppy Seconds" Have Arrived!

Post by elgrau » Tue Feb 01, 2011 11:36 pm

Ok: all fixed (I HOPE!). Replaced all five of the trimmer pots and replaced the broken RCA plug on the left most input plug. Will hook it all up in the SS system manyana:
Attachments
IMG_3449.JPG
IMG_3449.JPG (551.2 KiB) Viewed 4870 times
FR: 400 disk changer with PS Audio Digital Link III DAC; Technics SL-1100A TT. QED Quenx1 IC's from DAC & TT to Adcom GTP-602 preamp/Tuner. AudioQuest King Cobra IC's from preamp to M1.0t mk-II opt2. QED Silver Spirals 4M wires to EPI 1000’s.
LR: AudioEngine wireless link from family room preamp to Barcus-Berry 2002R Sonic Maximizer to GlowPower Zyxt IC's to Sunfire 300x2 to Nordost 6M bi-source wires to AOS 28" MDF spherical speakers using six 6.5" woofers and eight 1" dome tweeters symm. arranged around the surface.
SS system: CX-995V DVD to AV-634x 3-4 channel amp (center/rears) & M1.0t mk-II opt2(fronts).
Garage: 300 disk changer to Entech 202.5 DAC to MXR150 Receiver (pre) to TFM-42 to EPI 400 speakers.

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Re: OO's "Sloppy Seconds" Have Arrived!

Post by jjptkd » Wed Feb 02, 2011 2:54 pm

=D> So, I'm curious... how does it sound? As good as the TFM-45? Better? How about compared to the Sunfire?
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