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November 22, 2019, 09:22 AM #1Super Moderator
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GAT2 tube choices and recommendations?
Anyone replace/upgrade their GAT2 tubes?
Curious what you like.Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.
Job INTegrated. Luxman L-595aSE
NAD C 658 streamer.
First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)
Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.
Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.
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November 22, 2019, 08:24 PM #2Junior Member
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Re: GAT2 tube choices and recommendations?
I’ve tried many NOS ECC88s and 7308s and settled on Mullard ECC188s, and also on the Art 300s.
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November 22, 2019, 09:03 PM #3Super Moderator
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Re: GAT2 tube choices and recommendations?
Thank you for that recommendation.
Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.
Job INTegrated. Luxman L-595aSE
NAD C 658 streamer.
First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)
Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.
Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.
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November 22, 2019, 09:17 PM #4Senior Member
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Re: GAT2 tube choices and recommendations?
Joe
Have you still got those NOS 6H23p tubes we bought from the guy on Ebay? If so I would try those first. They sound pretty good and will last longer in the GAT like they did in the AI preamps. If you want to try Mullard I would call Andy at VTS and prepare for "sticker shock." An alternative is the Matsushita tubes made in the factory Mullard personnel set up. They are pretty close in signature and half the price.Main - JVC QL-Y7/Denon DL-301 Mk II, Gold Note PH-10, Jays CDT3 Mk3 , Auralic Aries G2.2, Holo May KTE, Supratek Cabernet, Kinki Studio EX-B7 monoblocks, Verity Audio Otello, (2) Rythmik F12SE, Audio Envy IC, SC & PC's, Triode Wire Lab PC's, Inakustik USB and I2S, (2) Puritan Audio Labs PSM-156 with Groundmaster City, Timbernation rack
Family Room - Oppo UDP-203, Auralic Aries, Aqua La Voce S3, Kinki Studio EX-M1+, Nola KO, (2) Rythmik F-12G, Wireworld SC & IC's, Neotech PC's, SurgeX SA-1810
Greenville, SC- Jays CDT2 Mk 3, Auralic Aries G1, Holo Spring 3 KTE, Supratek Chardonnay, Odyssey Audio Kismet Reference, Rosso Fiorentino Volterra 2, (2) RSL Speedwoofers, iFi Audio Power Station, Wireworld IC's, Inakustik USB and I2s, Triode Wire Lab SC, Triode Wire Lab PC's, Furutech NCF Clear Line, Timbernation rack.
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November 22, 2019, 09:34 PM #5Super Moderator
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Re: GAT2 tube choices and recommendations?
I do. I think at least 2 pair left. I know the original GAT used 6DJ8 but the GAT2 might have been changed to the 7 series tubes. I forgot to look and I'm too lazy to open the acrylic tower and check. I'm really surprised that I'm still on the original stock tubes.
Originally Posted by Jack
Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.
Job INTegrated. Luxman L-595aSE
NAD C 658 streamer.
First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)
Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.
Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.
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November 22, 2019, 09:43 PM #6Senior Member
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Re: GAT2 tube choices and recommendations?
The 6h23p is a direct six volt replacement for the 6DJ8 family just a more rugged Russian military tube and was all they could find to work for any length of time in the Modulus 3 preamp. They are definately better than the new stock tubes CJ is providing.
Main - JVC QL-Y7/Denon DL-301 Mk II, Gold Note PH-10, Jays CDT3 Mk3 , Auralic Aries G2.2, Holo May KTE, Supratek Cabernet, Kinki Studio EX-B7 monoblocks, Verity Audio Otello, (2) Rythmik F12SE, Audio Envy IC, SC & PC's, Triode Wire Lab PC's, Inakustik USB and I2S, (2) Puritan Audio Labs PSM-156 with Groundmaster City, Timbernation rack
Family Room - Oppo UDP-203, Auralic Aries, Aqua La Voce S3, Kinki Studio EX-M1+, Nola KO, (2) Rythmik F-12G, Wireworld SC & IC's, Neotech PC's, SurgeX SA-1810
Greenville, SC- Jays CDT2 Mk 3, Auralic Aries G1, Holo Spring 3 KTE, Supratek Chardonnay, Odyssey Audio Kismet Reference, Rosso Fiorentino Volterra 2, (2) RSL Speedwoofers, iFi Audio Power Station, Wireworld IC's, Inakustik USB and I2s, Triode Wire Lab SC, Triode Wire Lab PC's, Furutech NCF Clear Line, Timbernation rack.
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November 23, 2019, 04:25 AM #7Member
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Re: GAT2 tube choices and recommendations?
In what ways are they “better”. Originally Posted by Jack
Thanks...
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November 23, 2019, 06:39 AM #8Super Moderator
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Re: GAT2 tube choices and recommendations?
I had the 6H23 in my original GAT, they sounded great and lasted a very long time.
Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.
Job INTegrated. Luxman L-595aSE
NAD C 658 streamer.
First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)
Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.
Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.
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November 23, 2019, 10:48 AM #9Member
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Re: GAT2 tube choices and recommendations?
Thanks Joe. As you know, I'm currently very happy with the original GAT and contemplating a move up to the GAT2. Net cost after sale of my current unit will be about $5-7K. My Gat is number 14, an early unit. Unlike others, I've had no issues with tube failures. Some NOS tubes became noisy but I attribute that to some weak or old tubes. All newer tubes from C-J and the Russian types from Canada are fine. Originally Posted by joeinid
I asked Jack about the tubes he recommends for the GAT2 as I don't want to "buy" a new tube problem in the upgrade process. If the original is working perfectly, maybe I should leave well enough alone.
Jack, I'm also running the new ART Stereo 150 with the original factory small signal tubes and they are fine. Do you suggest a change there also?
Thanks,
Bob
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November 23, 2019, 10:58 AM #10Super Moderator
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Re: GAT2 tube choices and recommendations?
If you prefer a little more neutral, cleaner and clearer sound, get the upgrade. Otherwise if you love what you are hearing and prefer a slightly sweeter more romantic sound, leave the GAT alone. I know of owners going back to older or original CJ pieces after selling or upgrading to GAT2 or new ART amps. I also know many who absolutely love the GAT2 and ART150/300 amps. It’s all personal taste.
For the record, I’ve never had any tube issues with either my GAT or current GAT2.Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.
Job INTegrated. Luxman L-595aSE
NAD C 658 streamer.
First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)
Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.
Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.
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November 23, 2019, 11:33 AM #11Senior Member
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Re: GAT2 tube choices and recommendations?
Bob
They are a slightly warmer tube than current stock and more durable so longer lasting. If you are happy with the stock tubes then I would stay put but if you want to try something different then get a pair for the preamp and see what you hear. Ebay is probably a crap shoot for them nowadays so your best bet is probably Parts Connexion.Main - JVC QL-Y7/Denon DL-301 Mk II, Gold Note PH-10, Jays CDT3 Mk3 , Auralic Aries G2.2, Holo May KTE, Supratek Cabernet, Kinki Studio EX-B7 monoblocks, Verity Audio Otello, (2) Rythmik F12SE, Audio Envy IC, SC & PC's, Triode Wire Lab PC's, Inakustik USB and I2S, (2) Puritan Audio Labs PSM-156 with Groundmaster City, Timbernation rack
Family Room - Oppo UDP-203, Auralic Aries, Aqua La Voce S3, Kinki Studio EX-M1+, Nola KO, (2) Rythmik F-12G, Wireworld SC & IC's, Neotech PC's, SurgeX SA-1810
Greenville, SC- Jays CDT2 Mk 3, Auralic Aries G1, Holo Spring 3 KTE, Supratek Chardonnay, Odyssey Audio Kismet Reference, Rosso Fiorentino Volterra 2, (2) RSL Speedwoofers, iFi Audio Power Station, Wireworld IC's, Inakustik USB and I2s, Triode Wire Lab SC, Triode Wire Lab PC's, Furutech NCF Clear Line, Timbernation rack.
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November 23, 2019, 12:50 PM #12Member
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Re: GAT2 tube choices and recommendations?
Thank you Gentlemen for your replies.
Joe... the key word from your message is "little". Spending $7K for a small improvement makes little sense to this 76 year old guy. But, it's still tempting.
Happy Thanksgiving!Wilson Yvette speakers, [B]Conrad-Johnson [ART88 [B]pre, TEA1bc phono, and ART 27A Amplifier, Marantz digital player, Wireworld Gold and Platinum ICs, USB and power cables, Rega Planar 10 turntable/ Apheta cartridge, Wireworld Platimum Eclipse 8 speaker cables, AQ Hurricane and Tornado power cables, Shunyata Denali 6000S/V2, Sigma NR PC and DELTA USB cords, Symposium and Stillpoint vibration control, JL Audio Fathom 113 subwoofer, dCS Bartok Streamer/DAC
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November 23, 2019, 02:11 PM #13Super Moderator
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Re: GAT2 tube choices and recommendations?
Bob,
I trade you my GAT2 for your GAT plus 7K
Seriously though, by saying little I don’t want to scare anyone away. GAT2 is improved and it’s not trivial but everyone’s taste is different.Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.
Job INTegrated. Luxman L-595aSE
NAD C 658 streamer.
First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)
Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.
Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.
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November 23, 2019, 03:24 PM #14Senior Member
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Re: GAT2 tube choices and recommendations?
Well said Joe! I've stayed with GAT2 and the ART300s and I see no way of any major improvements without spending piles of $$$. Originally Posted by joeinid
For me, the GAT2 was an improvement, however I have zero doubt that others could prefer the original GAT paired with the prior generation ART amps.Magnepan 20.7 - CJ ART 300s - CJ GATV2 - Meitner MA-1 V2 -Dedicated JRMC + Synology NAS
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AudioShark forum is a leading forum site for High End Audio Discussion, Stereo System Discussion, Home Theater System Discussion, Best Home Stereo System Discussion, Home Theater Installation Discussion etc.
The AudioShark forum was created for sharing the passion of high-end Audio. We have Audiophiles from all over the world participating and sharing their knowledge. From novice to experts, you will find a friendly environment for discussing about High End Audio, Stereo System, Home Theater System, Home Stereo System, Home Theater Installation, Amplifiers, Speakers, Subwoofers, Integrated System, Acoustic treatments & Digital Room Corrections and many more.
At AudioShark, we also have incorporated an exciting Marketplace where members can peruse terrific buys on used gear, as well as meet dealers and discuss the purchase of new gear.
We are as crazy about this hobby as you are! So come on in and join us! Audioshark.org the Friendliest Audio Forum!
Industry Participation Disclosure : The owner and administrator of Audioshark is the owner of Suncoast Audio LLC in Sarasota Florida. Suncoast Audio has a full brick and mortar presence in Sarasota with several great show rooms with many world class brands. More information can be found at http://www.suncoastaudio.com
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