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Tuning an old Green Solo

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FritzS View Drop Down
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Joined: 18 Jan 2008
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    Posted: 10 Feb 2019 at 3:44pm
I own a Green Solo over some years and I tested some other OPAs. Original there is an AD823 build in.
My first test candidate was an metal can LME49720HA with best experience, unfortunately it is not very tight in the DIP socket. Then I had tested LT1057ACN8.
Now I put an LME49860NA in the socket. LME49860NA (and LME49720HA too) offers the best as Solo with this given schema and parts ever could.
This modified Solo is equal to the with AD797 modified WNA MKII.

I own an 'Green' Reflex to. My turntable is an Revox B790 with a Goldring G1042 pickup system.

The only disadvantage of the 'green' switching power supplies they sometimes chirp.
AKG K812, K872, K712, Q701, K701, K501, K550, K271, Denon AH-D 7000
"Green" SOLO (with LME49860NA), WNA MKII
Marantz SA7001 KI, Philips CD650
Revox B790, G1042, Reflex
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FritzS View Drop Down
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Joined: 18 Jan 2008
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Post Options Post Options   Thanks (0) Thanks(0)   Quote FritzS Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2019 at 3:47pm
I forgot to say, mostly I use my AKG K812 Pro to listen music!
AKG K812, K872, K712, Q701, K701, K501, K550, K271, Denon AH-D 7000
"Green" SOLO (with LME49860NA), WNA MKII
Marantz SA7001 KI, Philips CD650
Revox B790, G1042, Reflex
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Fatmangolf View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Fatmangolf Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2019 at 7:39pm
Good luck with the chip rolling Fritz. I think I have got most of those op amps in my spares box too!

Jon

Open mind and ears, whilst owning GSP Genera, Accession, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC.
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