Tom's Hardware > Forum > Audio > High-End Audio > Why do we need pre-amp ?
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Anonymous   06-17-2004 at 04:18:58 AM

Archived from groups: rec.audio.high-end (More info?)

 

Would some one please explain :
What is the different between intergrated amp and a system with
pre-amp & power amp . If we connect a transistor pre-amp with a tube
amp ...any trouble ?
Thanks .

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Anonymous   06-17-2004 at 04:49:51 AM
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Archived from groups: rec.audio.high-end (More info?)

 

On 16 Jun 2004 22:18:58 GMT, Serial # 19781010
<minhtuong@sympatico.ca> wrote:

>Would some one please explain :
>What is the different between intergrated amp and a system with
>pre-amp & power amp .

One chassis vs. two chassis.
One power supply vs. two power supplies.

> If we connect a transistor pre-amp with a tube
>amp ...any trouble ?

Generally, no.

Kal

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Anonymous   06-17-2004 at 05:11:39 AM
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Archived from groups: rec.audio.high-end (More info?)

 

The difference is two boxes rather than one, plus independent power
supplies for each. Some brands, most actually, have a better level of
quality with the separate components than with the integrated products
as well. There is also more flexibility with separates, one such
example being the ability to pair any of various preamps with a power
amp or to pair any of a variety of power amps with a given preamp. So
your example of using a solid state preamp with a tube power amp falls
into the flexibility scenario. It will work fine and it is more
helpful to match the tube amp with the particular speakers as tube
amps can have a more limited power output.
-Bill
www.uptownaudio.com
Roanoke VA
(540) 343-1250

"Serial # 19781010" <minhtuong@sympatico.ca> wrote in message
news:caqh0i02kak@news2.newsguy.com...
> Would some one please explain :
> What is the different between intergrated amp and a system with
> pre-amp & power amp . If we connect a transistor pre-amp with a tube
> amp ...any trouble ?
> Thanks .

Reply to Anonymous
Anonymous   06-17-2004 at 08:06:01 PM
- 0 +

Archived from groups: rec.audio.high-end (More info?)

 

Serial # 19781010 wrote:

> Would some one please explain :
> What is the different between intergrated amp and a system with
> pre-amp & power amp . If we connect a transistor pre-amp with a tube
> amp ...any trouble ?
> Thanks .

The only basic difference is that the integrated amp has the control
circuitry and the power circuitry in one box, instead of being in two
separate boxes with an interconnect between them. No problem,
generally, using a transistor preamp with a tube power amp. SOME
combinations of a tube preamp and transistor power amp may run into some
trouble, because a few tube preamps can't handle the lower impedance of
a transistor power amp. But those are so old that they hardly matter
any more, except for the Dynaco PAS design, which is still around, many
in highly modified form, some of which still maintain the same output
characteristics of the original Dyna design.

-GP

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