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Amplifiers?

Gurney 11 Sep 19 - 01:33 AM
punkfolkrocker 11 Sep 19 - 03:05 AM
punkfolkrocker 11 Sep 19 - 03:11 AM
DaveRo 11 Sep 19 - 03:14 AM
Bonzo3legs 11 Sep 19 - 05:17 AM
Gurney 11 Sep 19 - 03:23 PM
Stilly River Sage 12 Sep 19 - 12:24 AM
Gurney 14 Sep 19 - 02:55 AM
DaveRo 14 Sep 19 - 04:45 AM
Bonzo3legs 14 Sep 19 - 07:17 AM
punkfolkrocker 14 Sep 19 - 08:49 AM
Gurney 14 Sep 19 - 05:14 PM
GUEST 14 Sep 19 - 05:34 PM
punkfolkrocker 14 Sep 19 - 08:00 PM
Gurney 15 Sep 19 - 01:37 AM
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Subject: BS: Amplifiers?
From: Gurney
Date: 11 Sep 19 - 01:33 AM

My amplifier died, and it was 30+ years old. The guy who said he could repair it is avoiding me, or sick, or something.


I need some advice. Like what is a POWER-amplifier, and what does a pre-main do. I understand what integrated means, but not as regards amplifiers, and they also talk of MM phono.
They also include Bluetooth, and since I don't have any music on my telephone, I don't expect to need it.

If anyone has had to buy a new amp lately, that was anything like the old amps that just did their job and went forever, what did you decide on? And especially it should have inputs for turntable, or phono as they now call them.    Please!


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Subject: RE: BS: Amplifiers?
From: punkfolkrocker
Date: 11 Sep 19 - 03:05 AM

For a while turntable inputs were dropped as obsolete, so folks needed to buy separate preamps.
But now vinyl sales are increasing again, they may be becoming included in amps again..

NAD were and still are amongst the best audio quality budget priced integrated all in one unit pre/power amps...

Depends on your budget...???

If you are in the UK, it's worth phoning https://www.richersounds.com/
for advice...

btw. this thread ought to be up in the music section, for all/guests to contribute...


Agreed. And done. ---mudelf


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Subject: RE: BS: Amplifiers?
From: punkfolkrocker
Date: 11 Sep 19 - 03:11 AM

.. or https://www.sevenoakssoundandvision.co.uk/p-38740-nad-c-316bee-v2-integrated-amplifier.aspx?gclid=CjwKCAjwtuLrBRAlEiwAPVcZBrn6Tr

if Richersounds no longer stock NAD...


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Subject: RE: BS: Amplifiers?
From: DaveRo
Date: 11 Sep 19 - 03:14 AM

A 'power' amplifier is the bit that produces the power to drive the speakers. If you only listened with headphones you wouldn't need one. Most amplifiers are 'integrated' - pre- and power-amps in one box. You can buy them separately if you have a lot of money and have unusual speaker requirements.

MM means 'moving magnet' which is a type of magnetic cartridge (another being MC - moving coil - do those still exist?) Mag cartridges output a smaller signal than tuners, CD players (and cheaper ceramic cartridges - if they still exist), and require 'equalising', so you need a pre-preamp to do that. Some amps have this built in, some not.

When I last replaced my amp, more than 10 years ago (the 3rd in 40 years) I had a record deck. I bought a 'budget' NAD C316 amp (based on reviews) and a higher-spec NAD PP2 'phono pre-amp'. (I don't know why 'phono' - that usually mean a type of plug. Phonograph?) Both are still sold. I no longer have the deck or the phono pre-amp.

The other day it failed for the first time (no sound) so I looked at possible replacements. I see that DACs (Digital to Analogue Converters) are now built in to some amplifiers, so you can have digital inputs. I don't have any use for that now but wondered if it would be useful in future, and for what? But I came to no conclusion and fixed the amp (dirt in the headphone socket.)

Inside, the NAD amp seemed well built. I easily found a maintenance manual and spares were still available. The only problem is mechanical hum from the transformer, which started after I'd had it several years.


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Subject: RE: BS: Amplifiers?
From: Bonzo3legs
Date: 11 Sep 19 - 05:17 AM

Don't forget that once we are no longer 25 but 70+, anything above 12k is gone for good, so an easyjet amp should do!! Oddly enough we use a NAD 3020i !


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Subject: RE: BS: Amplifiers?
From: Gurney
Date: 11 Sep 19 - 03:23 PM

Thank you, folks. I have been using two sets, #1 a component system that had been selected by someone who failed to keep the payments up, and that had been perfect for a long time. The amp and tuner, anyway. The tape and CD player were replaced long ago.
The other big system is an old Sony in the office/rumpus room, and the bloody amp in that is gone, too.

All I'm left with is a Sony ghetto-blaster and a Sony micro-system, neither of which has inputs for phono.
I suspect that the ghetto-blaster has been to a party or three.

I should say that the small systems I bought for house-bound friends, who have since departed. And well spotted there Bonzo and PFR. I WAS English, but have spent most of my life in NZ.
AS to budget, I can afford anything that Her Indoors approves.


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Subject: RE: Amplifiers?
From: Stilly River Sage
Date: 12 Sep 19 - 12:24 AM

There is a thread here at Mudcat where we were talking about receivers and amplifiers, comparing some of the older ones as far superior to the current products on the market. I haven't been able to find it this evening but if it turns up (I printed out some of the remarks) I'll post it.


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Subject: RE: Amplifiers?
From: Gurney
Date: 14 Sep 19 - 02:55 AM

Thank you, Sage. I've put a couple of bids on our on-line trading site TradeMe, and been the under-bidder both times, but there are 10 pages in the 'amplifiers and tuners' section.
I had a snoop around the sevenoaks trader that punkfolkrocker suggested up there, and they are selling Marantz amps at what would be a very good price in NZ. Of course, transport would need to be looked into, particularly if the manufacturer casts them from concrete like Pioneer did with my turntable.

The Marantz DVD player that I use for CDs in the stereo has given sterling service.
If anyone needs a new cartridge for a turntable, then I can recommend 'LP Gear' online in the USA. Better than the original to my ear.


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Subject: RE: Amplifiers?
From: DaveRo
Date: 14 Sep 19 - 04:45 AM

punkfolkrocker wrote: For a while turntable inputs were dropped as obsolete, so folks needed to buy separate preamps.
But now vinyl sales are increasing again, they may be becoming included in amps again..
Yes, I see that my NAD 316BEE amplifier was updated to V2 in 2018(?) with the addition of a phono preamp.
Bonzo3legs wrote: Don't forget that once we are no longer 25 but 70+, anything above 12k is gone for good... Oddly enough we use a NAD 3020i !
But even us oldies will certainly notice (mechinical) mains hum. When researching the cause of it on my 316 I found many posts about 3020s with the same problem. I think all amps can suffer from it - I wouldn't buy an old one without hearing it first.

My earlier amp - an A&R A60 - died when the volume pots wore out. One advantage of newer designs - like the 316 - is a remote.


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Subject: RE: Amplifiers?
From: Bonzo3legs
Date: 14 Sep 19 - 07:17 AM

Our 3020 has no mains hum yet!


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Subject: RE: Amplifiers?
From: punkfolkrocker
Date: 14 Sep 19 - 08:49 AM

Back at my mums I have two late 1970s NAD amps that haven't been switched on for approx 3 decades,
and a late 80s NAD amp which hasn't been powered up for about 20 years...

Hopefully one day sooner than later I can find out if they still work, or will expire in smoke...???

2 or 3 years ago we took a chance on a recent Denon all in one box music system

Denon DM40DAB [a newer version has replaced it]

Which was highly regarded by HiFi reviewers,
and I find it sounds good enough through decent quality headphones.

But I don't think it is equipped with a turntable phono preamp..???

Though I think many modern turntablesnow have digital outputs...?????


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Subject: RE: Amplifiers?
From: Gurney
Date: 14 Sep 19 - 05:14 PM

DaveRo, I took Bonzo to mean that we age70+ identities are not going to live long enough to wear out a quality amp!
Maybe he WAS talking technical.

But, several of my friends have recently 'faded as the leaves do fade and dropped off in October.' (Was it October?)

My latest bid for a NAD is coming due in 11 hrs.


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Subject: RE: Amplifiers?
From: GUEST
Date: 14 Sep 19 - 05:34 PM

It's the frequency range we hear, Gurney. For a younger person with normal hearing, this is often given as 20Hz-20kHz. We lose the ability to hear the higher frequencies as we get older.


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Subject: RE: Amplifiers?
From: punkfolkrocker
Date: 14 Sep 19 - 08:00 PM

That's all right.. treble frequencies irritate me...

Why do drummmers need so many bloody cymbals and tinkly percussion toys...


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Subject: RE: Amplifiers?
From: Gurney
Date: 15 Sep 19 - 01:37 AM

When we went to a modern TV, I commented how I couldn't hear the shrill whine any more. The family asked "what whine?"

Bloody tinnitus at the end of the day is my left ear curse.


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