Thread: Amplifier power
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Old October 14th 08, 03:04 PM posted to uk.rec.audio,rec.audio.tech
tony sayer
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Default Amplifier power
In article , Eeyore rabbitsfriendsandrel
scribeth thus


tony sayer wrote:

Eeyore scribeth thus
tony sayer wrote:

I reckon you'd be well pushed to improve of the Audiolab excellent
amplifier even at 20 years old)..

You must be living in a very weird world then. Its design is utterly
'agricultural' by today's standards. It's barely any better than a decent
semiconductor manufacturer's application note of that era. Frankly it's a
joke.
Plus any one you can find will need total re-capping of the electrolytics.

Graham (pro-audio designer with 37 yrs experience)

Bet you'd be hard pressed to tell one apart in a listening test!..

No perhaps not.. their prolly too neutral for your linking;!...

If you want neutral you need one of my ultra-performance mosfet designs. The
actual
'amp block' has a THD+N of 0.0008% @ 1 kHz (SINAD -103dB) measured on an AP with
a
residual THD+N of 0.0007% ! The 'back calculates' to a true THD of 0.0004%
(SINAD
-108dB). The response is VERY flat too. About -0.2dB @ 10 Hz and 20kHz IIRC.

Oh and I designed it about 19 years ago.

Sadly, the figure is degraded by the op-amp front end (5532s) ! But I could
replace
these with LME49720s instead.

Graham


Humm...

I Wonder how may pro recording bits of gear are around with 5532's..


--
Tony Sayer