In Reply to: Bipolar vs MOSFET vs J-FET posted by thetubeguy1954 on January 26, 2007 at 05:58:39:
Hi.Any devices, passive or active, are boiled down to a LCR AC network.
Different L C R existed in the active (be them bipolars, FETs, or .. op-amps) or passive, like resistor, capacitors or inductance which build up an amp, are part of a complex composite AC network which perform per the music frequencies. Plus the INTERFACES with amp the driving components, e.g. a record player or a CD or DVD-audio player & the receiving component, loudspeakers.So to claim for "matched levels" are only ideal & theoretical.
Just to say all "properly designed" amp may as well say all "properly designed cables" sound the same which is the relatively
the simplest passive components in the signal circuit. Tell me do all cables sound the same ?????So I don't agree whoever tells me "all properly desinged amps
have no sound of their own". Even both twin tubes perform differently.That why my audition panel, including my pair of rusted ears, can distinctly hear the remarkable difference on rolling different makes of 300Es. We did an audition btween WE (new production) & a well-known Chinese make with a pair of Hi-end brandname PP power monoblocks.
It was just like an old woman (Chinese make 300E) dragging her feet magically transformed to a Cinderella (WE300E) spinning ballet in her dancing shoes.
Imagine, same amp but only rolling different makes of same model no of power triodes !! What else can be more "matched"??
c-J
PS: Sorry, I am yet to be impressed by any op-amps or MOS-FET amps. For SS devices, I still go for discrete bi-polars sonically.
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- However "properly designed" amps still sound different. - cheap-Jack 08:17:05 01/29/07 (10)
- Re: However "properly designed" amps still sound different. - kerr 11:17:19 01/29/07 (9)
- This one? - E-Stat 18:29:29 01/30/07 (2)
- He was nothing if not colorful - kerr 05:42:04 01/31/07 (1)
- Indeed - E-Stat 08:20:20 01/31/07 (0)
- Don't bank too much on our ears alone. - cheap-Jack 11:29:30 01/29/07 (5)
- I don't - kerr 05:44:42 01/31/07 (4)
- IC pre-amps? Thanks but no thanks. (nt) - cheap-Jack 08:25:55 01/31/07 (3)
- But it measured so well! Are you sure you don't want one? :) (nt) - kerr 09:24:37 01/31/07 (2)
- All that glitters is not gold. (nt) - cheap-Jack 10:59:05 01/31/07 (1)
- Not All That Wander Are Lost (nt) - thetubeguy1954 12:56:33 01/31/07 (0)