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Single-ended class a tube amplifier

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WATCH RELATED VIDEO: Willsenton R-800i 300B 805 tube Integrated Amplifier Single-ended Class A testing

Single-Ended Class A


If that dB figure is accurate manufacturers often inflate it , then I would have thought you could use one or other of the Pass First Watt amps. There are several. Talk to Reno Audio about matching.

A high quality push pull or single ended SET would work well. Line Magnetic mentioned above is a very good option particularly their SET choices. You have many fine options available to you with that speaker.

Given your intention to use the TV, a transistor amplifier may suit you better. I say this based on probable long hours of use daily not due to any concern regarding tube amp dynamic capabilities.

Given the level of amplifiers recommended on this thread I do believe they would raise the sound quality level of the Klipsch. This speaker is capable of reflecting better amplification.

Just my humble opinion. LOG IN. Edit Delete. I heard them with a Rogue Audio integrated. Not for long, but I thought it was pretty impressive. Others here not so much. You can get a class A Plinius SA or used watts for half of your target and have a world class amp that doesn't even need anything like dB efficiency. Look for single ended triode or pentode or beam power design tube amps. No experience with your speakers but Line Magnetic models with B or tubes sound fantastic with high efficiency speakers.

I've never heard any Pass Labs amps, but would love to try a XA I own both a class A SS amps and a class A tube amps. While both amps sound very good, I give the edge to the tube amp.

I believe if you stay with a major brand name that has a good reputation you can't go wrong. I prefer not getting into suggesting manufacturers at this time. Thanks everyone for great response jyprez plinius SA is great especially option to switch to class A or AB but I think the upgrade and also special dedicated line is little hard or who can do the upgrade for me?

Also take a look at Sugden, often overlooked. Dynamics should come from the signal, not the amp. As long as the dynamic range is within the power capacity of the amp and with your speakers this is easy to achieve the dynamic range of either tube or solid state will be exactly the same.

Now there is a complication when dealing with dynamics! Most audiophiles use the term to describe higher ordered harmonic distortion, because those harmonics are used by the human ear to sense sound pressure.

So if some are added by the amplifier, it will tend to sound more 'dynamic'. But that is really distortion masquerading as dynamics. The brightness of solid state is caused by these same harmonics. This is how tube amps tend to sound smoother- its all about distortion. The exception to this is SET amplifiers- when driven harder, they tend to make higher ordered harmonics but mostly on transients at first as the power is increased. When the loudness cues to the human ear are appearing on transients, its interpreted as 'dynamics'.

But a sound pressure meter will reveal what is going on- the SET will sound louder at a lower power level than an amp with less distortion playing at a higher power level. I agree with charles1dad, I would not consider tubes if your intention is to have the amp in use with a homes theater set up. I was strictly thinking along the lines of a two-channel music system which is what I have.

Lord, you can't go wrong following Ralph's advice. I very much enjoy my system, and I do, at times, run my HT system using my tube amps, and don't feel like I'm missing anything.

Regards, Dan. I haven't had any class A amps to compare to, but that sounded really good. In regards to the comments about wearing out your tube amps in a dual use system, I often don't turn on the amps if I'm just watching TV. I use my five channel amp that powers the 4 surround speakers and the center channel and just listen through the center channel. When I do engage the Ms for movies, there's no lack of dynamics.

Of course, being a current Luxman owner, if you could get that in your price range It may be jusut the ticket. Or one of the Raven integrated. A strong alternative to Rogue and PrimaLuna. They have a magical quality to them when setup properly. Lordrootman, If within your budget, look no further than LTA , David Berninig design, extremely long tube life and many informative reviews. The best of both SS and Vacuum tubes all in one.

Best Dave H. A concern such high efficiency raises is that the noise performance of the amp that is being used becomes especially critical. The hiss levels produced by some amps which may be perfectly fine with say 90 db speakers could very well be bothersome with db speakers.

I have no idea, though, how its very transparent and somewhat tube-like sonic character would synergize with the sonics of the KLF But in any event, before settling on an amp it would be prudent, IMO, to try to verify that others have used the particular amp successfully with comparably efficient speakers. Good luck.

Regards, -- Al. Your speakers dictate what amplifier type , with tubes youhave so many options true Single ended which is under10 wpc which is the purist , 2 tubes any more is a going into class A ,then triode, pentode, tetrode Ultralinear. Even a OTL amps it is not that cut and dry and each power tube type sounds different , as well as the small tubes,and rectifier tubes.

That is why everyone likes something to match their Audio taste ,and music type. Not so. Think of it as an "equation. One does not dictate 'over' the other. They are "codependent. I have db speakers as well also Klipsch new heritage line. I have tried a SET b based tube amp and that sounded wonderful 8wpc, by the way it was a Finale Audio b integrated.

I have tried a class A SS from Luxman also very nice if not a little too much power 50wpc. I my experience the biggest issue I have run into with speakers in this efficiency range is usable volume control. You really need to match your amp and preamp together In this regard or you could end up with no usable volume control range. If you want a tube amp with very good build quality and parts I'd highly recommend Finale Audio -Triode labs out of Toronto they make some very good low powered tube amp and you do not need to spend close to your budget well you could spend it and more but not needed.

I think someone recommended First Watt another very good choice IMO due to the build quality and low power class A output. Sugden A21Se, beautiful tube like sound, inner detail, and bass control.

Single ended class A. Drives the Tannoys wonderfully. Pure heaven to my ears. All this running into a Pro-Ject Tube box Ds2 tube phono stage ohm loading 60 db gain. I mention the turntable and associated upgrades in the event someone wants to put this together for themselves I think the QED cables, being the only thing in the system containing a trace of silver, helps to offset the warmth of the amp, speakers, and tube section of the phono preamp, complimenting them beautifully.

I use a Schiit Aegir. It sounds wonderful. Been in business a long time. Pure class A. Stereo and Mono block versions. Simple circuit with no feed back. Pass Labs and First Watt. It is a well-engineered amplifier at an affordable price. Or one Schiit Aegir for the mids and highs and a Schiit Vidar for the bass horizontally bi-amped.

Funny you should ask as I just went thru this transition. While my Cary amp was in the shop, I ran across an inexpensive pair of pass diy monoblocks so i bought them as a filler. They are a whopping 7wpc of pure class A. I immediately knew I was either a monoblock guy or class a guy as they sound was so much more detailed -I had to have it.

My Tannoy speakers are rated 94 sensitivity and even so at full volume you did not need to leave the room. So yes they are underpowered for a large room or orchestral music.

I have worn out ears and do not listen loud anymore- 75db max. I sold the Cary and bought a 25wpc class a amp that I am breaking in as i type. Not missing the tubes.


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6N2+6E2+FU19 tube amplifier single-ended class A tube HIFI power amplifier DIY/finished product 1FK2. ₱12, No ratings yet.

What is a single-ended amplifier?


This amp was largely motivated and built following the KT88 design shown at diyaudioprojects. I used a V center tapped power transformer salvaged off Ebay and a 5H choke from an old HP instrument also bought off eBay for the power supply. I bought decent Solen capacitors for the input to the CLC filter, and limited the capacitance here to 15 uF due to worries about sparking the 5U4GB rectifier. A pair of inexpensive uF, V electrolitic capacitors arranged in series each bypassed with k bleeder resistors gave uF at V for the power supply output. Tests with and without additional filtering for the preamp stage showed that with this much capacitance, hum was already negligible. I probably should have added some additional snubbers, but in my quick bench tests I really couldn't tell any difference. Test points across 1 ohm resistors also in series allow the bias current to be directly measured with a DVM as the pots are adjusted. The price was a bit of a factor as well.

Single Ended Class A Valve Amplifier Design - The Listeners Guide

single-ended class a tube amplifier

US UK. Switching between stores will remove products from your current cart. Item : Features: Hand welding point to point, the main circuit adopts shed welding Two high-end EI type single-ended output transformers with high-end special technology and high-quality broadband response made of Z11 iron core. High-voltage power supply and filament power supply independently use high-efficiency toroidal, high-power power transformers with Z11 cores and special materials.

We continue with single-ended amplifier designs. True, they are super simple, but they are also less forgiving.

Yaqin MS-300B Single ended armour class tube amp tube amplifier 300B Integrated Amplifier


If that dB figure is accurate manufacturers often inflate it , then I would have thought you could use one or other of the Pass First Watt amps. There are several. Talk to Reno Audio about matching. A high quality push pull or single ended SET would work well. Line Magnetic mentioned above is a very good option particularly their SET choices. You have many fine options available to you with that speaker.

Laney Lionheart: Handmade in the UK

I am on the search for a good and affordable integrated tube amplifier to use with my new Klipsch Heresy IV speakers. After some initial research I found 5 tube amps that seem to offer remarkable value for money. I even got a bit over-enthusiastic and ordered three of them to test myself. It is one of the China made tube amplifiers that is highly acclaimed and reported to perform very well for the money. What I found especially intriguing about this amp is that it is a true no-feedback, single-ended, class-A B design. Single-Ended B is arguably the most legendary type of tube amplifier designs. They seem to have a special standing among tube enthusiasts. A cult status, if you will.

change the voicing on the amp using a variety of tubes, Single ended single tubed amps are class A. The single ended double tubed amps.

Single-Ended Triode Amplifier

Tube amp tube amp : it is the audio industry's most ancient and enduring evergreen tree, its significant advantage is sweet and gentle voice, the natural concern, particularly the large dynamic range, linearity of the good, not the other devices Can substitute lightly. Specifications Output Power: 9. Foshan jas jean audio company established in , more than 10 years has been specialized in the research and production of power amplifier.

Wavelength Audio - Cardinal 300B SET (Single-Ended Triode) Monoblock Tube Amplifiers

RELATED VIDEO: KT88/EL34... Single Ended Tube Amplifier Build

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5 Best Vacuum Tube Amplifiers for 2-Channel Stereo

The Audio Voice Newsletter. Show more 5. Show less. You Can DIY! In this project article for audioXpress, the author shares his guitar tube amplifier, a simple, low-wattage, that any DIYer can easily build.

Single-Ended Class A amplifiers have certainly hit it big in the four years since we began testing the first Aleph 0. So is this just another audio fad, or is there something fundamental about this kind of design, justifying a revival of the old approaches to amplification? When I started designing amplifiers twenty-five years ago, solid state amplifiers had just achieved a firm grasp on the market.




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  1. Edelmarr

    I'm sorry, I can't help you. But I am sure that you will find the right solution. Do not despair.

  2. Percy

    It seems to me the brilliant phrase