#21
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McIntosh MA8000; McIntosh MC1502; Canton Vento Reference 1 DC; E.A.T. E-Flat; Soundsmith Paua Mk II; Technics SL 1210 MK5; Audio Technica AT-150 MLX; Tascam BR-20; Teac X1000R; Pioneer RT-707; Oppo UDP 205; Denon DCD A-100; HP All-In-One Touchscreen Server; JRiver MC 28; Woo Audio WA6; Shure SRH 1840; SVS SB 1000; Jolida 502BRC; Jolida JD9; VPI 16.5 RCM; Wireworld Oasis 8 Speaker Cables; Audoquest Columbia 72 DBS IC's; Panamax PM-5400 (source components only) |
#22
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I’m also curious to hear more on this after searching internet for “Dan D'Agostino's SS 10% rule” and finding nothing.
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Doug 2-Channel McIntosh C2700, (2X)MC601, MEN220 Lampizator Baltic 3 Sonore opticalRendu, SGC sonicTransporter i5 (Gen 3), Roon Thorens TT TD318 B&W 803D3 JL Audio (2x)f110v2 Shunyata Denali/S v2, Alpha v2 PCs, WW Gold/Silver Eclipse Interconnects, Platinum USB Whole House Music Listening Bluesound Vault2i, PowerNode2, PulseMini2i, Pulse2, (3x)Flex 5.2 System Above using Passthru Marantz SR7012 Oppo 205, Apple TV (4th gen), Sony XBR850e65 B&W HTM2 D3 Second 5.1 System Castoffs from Upgrades LRC Paradigm Millenia 20, Velodyne MiniVee 10, KEF surrounds, DefTech AW6500 |
#23
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To answer your specific question. I have always considered a tube watt about 10X a SS watt. A well made tube power amp will not change in sound quality when it approaches clipping and when it clips it does soft clipping as opposed to the hard clipping of a SS amp. In addition, a SS amp sounds its best when it is loafing and in some amps you get some class A at one or two watts. The Relentless is 100 watts class A but 1,500 watts class AB. So with this monster amp 99% of the time it will be operating in class A. With a tube amp like the 1502 I think of it as operating in "class A" probably up to 175-200 watts/ch, since Mac always conservatively rates their tube amps. There are many advantages of tube amps over SS. I personally have never liked them because of their unreliability. I have purchased a pair of 3500 MKII's. However, I will never sell my 1.25KW's for this reason. However, I consider the 3500 the more powerful of the two amps (3500 MKII vs 1.25KW) as far as sound quality by a significant margin, since I will have the equivalent of 500 "class A watts". Again, when you read the description of the amp on the website, Mac says "conservatively rated at 350W/ch". My source at Mac says it will do over 500W/ch. The original did 550/ch even though it was rated at 350. I would never use a tube amp for a sub. These arguments don't apply to subs. Best Charles Last edited by Charles; 11-20-2021 at 12:06 PM. |
#24
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Thanks Charles. Appreciated.
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Doug 2-Channel McIntosh C2700, (2X)MC601, MEN220 Lampizator Baltic 3 Sonore opticalRendu, SGC sonicTransporter i5 (Gen 3), Roon Thorens TT TD318 B&W 803D3 JL Audio (2x)f110v2 Shunyata Denali/S v2, Alpha v2 PCs, WW Gold/Silver Eclipse Interconnects, Platinum USB Whole House Music Listening Bluesound Vault2i, PowerNode2, PulseMini2i, Pulse2, (3x)Flex 5.2 System Above using Passthru Marantz SR7012 Oppo 205, Apple TV (4th gen), Sony XBR850e65 B&W HTM2 D3 Second 5.1 System Castoffs from Upgrades LRC Paradigm Millenia 20, Velodyne MiniVee 10, KEF surrounds, DefTech AW6500 |
#25
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Thanks for the input Charles. If this theory is true then 150 tube watts would equate to 1500 SS watts. That's enough to get me to cancel the 462 and order the 1502 instead.
Now you got me thinking again. For the record I don't fear tubes at all and have no problem accepting the quirkiness that comes with them.
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McIntosh MA8000; McIntosh MC1502; Canton Vento Reference 1 DC; E.A.T. E-Flat; Soundsmith Paua Mk II; Technics SL 1210 MK5; Audio Technica AT-150 MLX; Tascam BR-20; Teac X1000R; Pioneer RT-707; Oppo UDP 205; Denon DCD A-100; HP All-In-One Touchscreen Server; JRiver MC 28; Woo Audio WA6; Shure SRH 1840; SVS SB 1000; Jolida 502BRC; Jolida JD9; VPI 16.5 RCM; Wireworld Oasis 8 Speaker Cables; Audoquest Columbia 72 DBS IC's; Panamax PM-5400 (source components only) |
#26
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Best Charles Last edited by Charles; 11-20-2021 at 12:49 PM. |
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FWIW, I use my MC275 MKVI everyday. I run it for 6-8 hrs, 5 days a week. Have done this now with COVID for almost two years. Knock on wood, but I have never had an issue. I turn it on, listen for the day, and turn it off. Sometimes I turn it on and off throughout the day if I am on calls. I know I will have to replace the tubes someday but am OK with this as it is part of owning tubes.
I don't listen at reference levels so it does not get driven hard. I have a mix of vintage and new (mostly vintage) MAC solid state and tubes. Don't think you can go wrong either way. [emoji3] Don't stress too much on the decision and enjoy the music! Last edited by nikto34; 11-20-2021 at 01:08 PM. |
#28
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Best Charles p.s. nikto, If Freddie didn't "stress" over this, it wouldn't be worth it, just not too much. Last edited by Charles; 11-20-2021 at 01:23 PM. |
#29
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Yes, a little in decision is always fun. Never know what you will find. [emoji3] |
#30
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Best Charles |
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