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Dynaco st 410

Stereo , meters lit by blue light kits. Phase Linear had the Dynaco answered the challenge with the Stereo power amplifier. It was conservatively rated at WPC into eight Ohms. Massive heat-sinks even allowed it to pass the old FTC pre-conditioning tests.


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lowest prices DYNACO ST 400 ST410 ST416 ST150 OUTPUT TRANSISTORS 8PK MATCHED SET wholesale


David, aka Grumpy, needs our help. Great news. David is home! It was quite the ordeal to get him home and into the house, but it is done. Thank you to everyone for their support. Now a long road ahead to get him back on his feet and functioning normally.

I have started a GoFundMe to help with the medical bills. Please help, if you can. Discussion in ' Solid State ' started by Foneman13 , May 3, Log in or Sign up. Dynaco ST Messages: While waiting to receive a Knight integrated tube amp, and a Kenwood tube receiver, both purchased to feed my original Heresy's Foneman13 , May 3, Messages: 2, Location: Vancouver Island.

I'd love to score a Dynaco power amp. Messages: 1, Location: Portland OR. Can you explain? Tromatic , May 3, No, trying to understand how having big watts on tap translates to low volume. Tromatic , May 4, Messages: Location: Sweden.

You send them a signal and they add their own twist to it. They keep on vibrating after the signal has stopped, due to inertia. That's called "ringing" or "time smearing.

Suppose the incoming signal is a "tight" kick drum with a short attack and decay in its signal envelope. When the kick-drum signal stops, the speaker continues to vibrate. The cone bounces back and forth in its suspension. So that nice, snappy kick drum turns into a boomy throb. Fortunately, a power amplifier can exert control over the loudspeaker and prevent ringing.

Damping is the ability of a power amplifier to control loudspeaker motion. It's measured in Damping Factor, which is load impedance divided by amplifier output impedance. Let's explain. If the speaker impedance is 8 ohms, and the amplifier output impedance is 0.

That's a simplication. Since the speaker impedance and amplifier output impedance vary with fre- quency, so does the damping factor. Also, the impedance of the speaker cable affects damping.

The lower the amplifier's output impedance, the higher the damping factor, and the tighter the sound is. A damping factor of or greater is considered high. High damping factor equals tight bass. How It Works How does an amplifier control speaker motion? When the loudspeaker cone vibrates, it acts like a microphone, generating a signal from its voice coil.

It travels through the speaker cable back into the amplifier output, then returns to the speaker. The smaller the amp's output impedance, the greater is the effect of back EMF on the speaker's motion. An amplifier with low output impedance does not impede the back EMF, so the back EMF drives the loud- speaker with a relatively strong signal that works against the speaker's motion.

When the speaker cone moves out, the back EMF pulls the speaker in, and vice versa. In short, the loudspeaker damps itself through the amplifier output circuitry. The lower the impedance of that output circuitry, the more the back EMF can control the speaker's ringing.

To prove it to yourself, take a woofer that is not connected to anything. Put your ear next to the cone and tap on it. You might hear a low-pitched "bongggg" if the speaker itself is poorly damped. Now short the speaker terminals and tap again. You should hear a tighter thump. Damping factor varies with frequency.

As you might suspect, damping factor is most important at low frequencies, say 10 Hz to Hz. Marantz , May 4, What does a high WPC rating have to do with damping? A more powerful amp usually has a much higher damping factor than a lower-powered one.

Messages: 3, Location: Mass. You may have learned something. The very clean wide bandwith Dyna will grossly outperform most any tube amp. Messages: Location: Stanfordville, NY. Alan NY , May 4, The only thing wrong with the explaination is the speaker wire negates the whole theory of the damping factor having much control over the sound.

Speaker wire resistance is many magnitudes higher than the amps source impedance. This makes the effective damping factor in the whole system very low regardless of the amps very high damping factor. Doesn't that depend on the length and properties of the speaker cables used?

And wouldn't an amp with a low damping factor to start with be affected in the same way by speaker cable resistance, lowering damping factor even more? I am no expert, I just find that there IS can be a big sound quality difference using a more powerful amp compared to a smaller one, even if you're not playing very loud, and the damping factor explanation seemed to make sense to me. Well yes but the great qualities of a super amp are realized with regular zip cord speaker cable.

Your explaination of damping factor is great but I don't think it is the reason super amps sound so great. Of couse some tube amps have damping factors of 10 or so. This can't be good for tight quality bass.

Messages: 10, Location: RIP Last edited: May 4, And I do have too many amps can't use them all at the same time I was on the verge of buying a Dynaco ST a month ago, but the deal fell through - seems to be a cool amp!

I also have many amps. I have AR 11s for my speakers. I think it sounds better with all types of music. Cleaner and more transparent. I use AR speakers, of the same vintage as your AR's. Would love to have a pair of AR, but the AR's still sound very good! Are you bothered by fan noise at all with your Crown amp, or is it a quiet fan? There is no fan noise at all. It never comes on. There is almost watts available the sound is clean and totally effortless.

I am a bit of an AR collector. I have a pair of 9s, 10 pi ,98ls, 3a, 2ax etc. In some ways I like the 11 the best. The 12 is another I would like to get in my collection. Wow, that's quite an AR collection! Speakers from the "Truth in listening" series seem much less common than earlier models.

I find the AR's are my best speakers so far, not that I've had any real high end stuff , but they just sound right! A friend of mine has AR2ax speakers, and those sound beautiful as well.

The Crown amp seems extremely powerful, I'll have to check that one out. Many audiophiles have been to my house, the ones that really have an ear for music are astounded by the sound of the AR speakers. I think they are about as good as it gets at reproducing the concert hall sound. I like the look of the classics like the 3A but I think the 11 is when AR completely refined the design and got it perfect.


Opinions on the Dynaco 400 series solid-state amps (410, 416, etc)

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It's a simple machine--a typical Dynakit. Open, accessible layout aids the novice, and all the active audio circuitry but the output transistors is included on.

DYNACO ST-410 REPLACEMENT POWER SWITCH #334022


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Dynaco ST-410 ....... OMG !!!

dynaco st 410

Have any of you ever listen to or seen this SS amp? It is supposed to be watts per channel. If you have what are your thoughts? It's supposed to be one of the best giant power amps of its era mid seventies. In fact, a reveiwer whose opinions I respect claimed at the time it was the best solid state amp available.

Contamos con tarifas que responden a las necesidades del mercado. Warranty -Please CONTACT US at the first time if you get problem with the ionic band, Our wide selection is eligible for free shipping and free returns, The internal structure: interior zipper pocket, Note: Different measurement methods may have a little difference.

Vintage Dynaco Stereo 410 Power Amplifier


David, aka Grumpy, needs our help. Great news. David is home! It was quite the ordeal to get him home and into the house, but it is done. Thank you to everyone for their support.

Dynaco Stereo 410 power amplifier 70s? Black

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Up for sale is Dynaco restoration kit. Parts for compete recap of all the electrolytic capacitors. Complete recap of all PCBs.

Dynaco ST 410 Schematic

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DYNACO ST400 ST410 ST416 PC-28 SEMICONDUCTOR REPAIR KIT

If I remember correctly there was a phase 2 Dynaco ST, I have no information on why there was this added model designation. It may have been an internal doc. It was posted there around You can print out the article. A set of 8 pages has been deleted there that would have created a watt mono amplifier. No explanation posted.

Dynaco 410, ST-410 Schematic

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