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November 1, 2019, 02:38 PM #1Senior Member
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Class G amplification...any good ?
Arcam and jbl synthesis will be selling new class G amplifiers in juanuary...has anyone heard a class G amp? Is it any good?
HiFi: Moon 180MIND Bryston BDA2 Bryston BP17 Phono MC275 CE JBL 4430 (crossover redone)
Technics SL 1200 G with NAGAOKA MP 500
HT: Yamaha 3050 JBL 4425 (L/R) Homegrown JBL center and SVS PB2000
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November 1, 2019, 03:10 PM #2Super Moderator
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Re: Class G amplification...any good ?
I think Naim is class G. I’ll see if I find the link.
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November 1, 2019, 03:12 PM #3Audioshark
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Re: Class G amplification...any good ?
As in GGGRRRREAT!
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"We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."
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November 1, 2019, 04:26 PM #4Senior Member
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Re: Class G amplification...any good ?
I can speak from experience that the NAIM Supernait 3 sounds outstanding. Big and meaty. It sounds very up front, great, tight bass, beautiful mids, and a nice open airy-ness in the top end. I rated it a close second to the Gryphon Diablo 300 in sound, along with the Pass Labs int 60. Not that they sound alike. They don't. But they're all among the finest sounding amps made. IMHO, you'd have to spend considerably more to find better sounding amps than these three. Just for the record, I'm purchasing the Gryphon Diablo 300 soon but I could be very contented with any of these three amps. My ears just have a slight preference for the D300.
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November 1, 2019, 04:44 PM #5Senior Member
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Re: Class G amplification...any good ?
So what makes a Class G amp a Class G amp?
Doug
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November 1, 2019, 06:00 PM #6Senior Member
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Re: Class G amplification...any good ?
Bob Cordell writes that Class G & H amplifiers change the rail voltages of Class AB amplifiers as the volume changes.
see page 110 of his book "Designing Audio Power Amplifiers" (first edition).
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November 2, 2019, 09:04 AM #7Senior Member
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Re: Class G amplification...any good ?
really ? no kidding ?
Originally Posted by Mike
i am referring to the JBL synthesis SDA-2200 and the Arcam P49 (not new, sorry, even more, it s discontinued...), namely.
I am reading that the JBL is just a rebadging of the arcam ? is it correct ?
prices are reasonable either, so....Last edited by jahjahlove; November 2, 2019 at 09:32 AM. Reason: mistake
HiFi: Moon 180MIND Bryston BDA2 Bryston BP17 Phono MC275 CE JBL 4430 (crossover redone)
Technics SL 1200 G with NAGAOKA MP 500
HT: Yamaha 3050 JBL 4425 (L/R) Homegrown JBL center and SVS PB2000
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November 2, 2019, 09:05 AM #8Senior Member
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Re: Class G amplification...any good ?
thanks for this short review... as always my concern were with the bass .... apparently class G does some bass as opposed to class D... Originally Posted by bluegrassphile
HiFi: Moon 180MIND Bryston BDA2 Bryston BP17 Phono MC275 CE JBL 4430 (crossover redone)
Technics SL 1200 G with NAGAOKA MP 500
HT: Yamaha 3050 JBL 4425 (L/R) Homegrown JBL center and SVS PB2000
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November 2, 2019, 09:07 AM #9Audioshark
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Re: Class G amplification...any good ?
NAIM is wonderful. We’re loaded up on wonderful NAIM gear in the store because it pairs great with every box speaker. But NAIM is some tweaky ass stuff. Not for the faint of heart and it’s a system play. You won’t use a NAIM amp with a Pass preamp for example. It’s all NAIM - from the source on down to even the cables. Only variance is the speakers and be prepared for some tweaky stuff, but in the end, totally worth it. You’re rewarded with great sound in spades. Your toes will be a tapping. Originally Posted by jahjahlove
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"We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."
Dealer for: Aqua Hi-Fi, Aurender, AudioQuest Cables & Power Products, Berkeley Audio, Block Audio (distributor), Boulder Amplifiers, Bowers & Wilkins (B&W), Bryston, Clarisys Audio Loudspeakers (distributor), Classe’ Audio, Degritter Record Cleaning Machines, Esoteric, Finite Elemente, FirstWatt, Focal Loudspeakers and Headphones, GigaFoil, Harbeth Loudspeakers, Hegel, HiFi Man, Innuos, ISO Acoustics, Keces Power Supplies, Kharma Loudspeakers and Electronics, Kuzma Turntables, Lumin, Luxman, Magico Loudspeakers, MBL Speakers & Electronics, MSB Technologies, MySonicLabs Phono Cartridges, Nordost Cables, Ortofon, Pass Labs, Quadraspire, Rega Turntables and Electronics, Shunyata Research, STAX, Stein Music Products, Stillpoints, Soulution, VAC, Vicoustics, Viva Audio, VPI Industries, WireWorld Cables.
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November 10, 2019, 03:43 PM #10Senior Member
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Re: Class G amplification...any good ?
Arcam have been selling class G amps for a good while now . they are very popular in UK
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November 11, 2019, 08:44 AM #11Junior Member
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Re: Class G amplification...any good ?
Naim amps are not class G, Arcam and some Creek amps use Class G, Naim use Class A/B amplification.
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November 12, 2019, 04:21 AM #12Senior Member
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Re: Class G amplification...any good ?
oops..; i didn't check... trusted el chefe on that..... Originally Posted by Nataraja
so basically no real direct long experience with class G her ?
the spoted amps for now is the arcam PA240.... https://www.arcam.co.uk/products,HDA...fier,PA240.htm
I was wondering if indeed the first 50 W were sonding like sweet class A....
It is supposed to come anyhow in France so I think i ll give it a try ....HiFi: Moon 180MIND Bryston BDA2 Bryston BP17 Phono MC275 CE JBL 4430 (crossover redone)
Technics SL 1200 G with NAGAOKA MP 500
HT: Yamaha 3050 JBL 4425 (L/R) Homegrown JBL center and SVS PB2000
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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.
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