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uk.rec.audio (General Audio and Hi-Fi) (uk.rec.audio) Discussion and exchange of hi-fi audio equipment.

Mic/Phono preamp



 
 
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  #11 (permalink)  
Old October 5th 03, 10:13 PM posted to uk.rec.audio
Dave Plowman
external usenet poster
 
Posts: 735
Default Mic/Phono preamp

In article ,
Mike Gilmour wrote:
The HV-3B Input Z = 6,200 ohms, o/p Z = 24.3 ohms.


Sure you don't mean 600 or 200 ohms for the input? 6K2 is high for a low
impedance mic, and not high enough for a high impedance type.

--
*Eat well, stay fit, die anyway

Dave Plowman London SW 12
RIP Acorn
  #12 (permalink)  
Old October 6th 03, 08:59 AM posted to uk.rec.audio
Mike Gilmour
external usenet poster
 
Posts: 36
Default Mic/Phono preamp

6K2, nominal is correct according to John La Grou's general specs.
Mike


"Dave Plowman" wrote in message
...
In article ,
Mike Gilmour wrote:
The HV-3B Input Z = 6,200 ohms, o/p Z = 24.3 ohms.


Sure you don't mean 600 or 200 ohms for the input? 6K2 is high for a low
impedance mic, and not high enough for a high impedance type.

--
*Eat well, stay fit, die anyway - Jim Fixx

Dave Plowman London SW 12
RIP Acorn



  #13 (permalink)  
Old October 6th 03, 08:59 AM posted to uk.rec.audio
Mike Gilmour
external usenet poster
 
Posts: 36
Default Mic/Phono preamp

6K2, nominal is correct according to John La Grou's general specs.
Mike


"Dave Plowman" wrote in message
...
In article ,
Mike Gilmour wrote:
The HV-3B Input Z = 6,200 ohms, o/p Z = 24.3 ohms.


Sure you don't mean 600 or 200 ohms for the input? 6K2 is high for a low
impedance mic, and not high enough for a high impedance type.

--
*Eat well, stay fit, die anyway - Jim Fixx

Dave Plowman London SW 12
RIP Acorn



  #14 (permalink)  
Old October 6th 03, 09:51 AM posted to uk.rec.audio
Dave Plowman
external usenet poster
 
Posts: 735
Default Mic/Phono preamp

In article ,
Mike Gilmour wrote:
6K2, nominal is correct according to John La Grou's general specs.


Strange. Anyone care to explain?

--
*Why do they put Braille on the drive-through bank machines?

Dave Plowman London SW 12
RIP Acorn
  #15 (permalink)  
Old October 6th 03, 09:51 AM posted to uk.rec.audio
Dave Plowman
external usenet poster
 
Posts: 735
Default Mic/Phono preamp

In article ,
Mike Gilmour wrote:
6K2, nominal is correct according to John La Grou's general specs.


Strange. Anyone care to explain?

--
*Why do they put Braille on the drive-through bank machines?

Dave Plowman London SW 12
RIP Acorn
  #16 (permalink)  
Old November 2nd 03, 06:04 AM posted to uk.rec.audio
Ian Bell
external usenet poster
 
Posts: 213
Default Mic/Phono preamp

Mike Gilmour wrote:

To audio techies. Is the anything against my occasionally using a
Millennia Media HV-3B microphone preamp as a phonostage just by heading it
with an
RIAA network. I hate to see it sitting lonely at quiet times ;-)
Thanks.

Mike


Nothing to stop you but performance will suffer because:

1. Strange load seen by the cartridge

2. RIAA network before the amp is the worst place to out it from the point
of view of noise performance.

if these don't bother you then go ahead.

Ian

  #17 (permalink)  
Old November 2nd 03, 06:04 AM posted to uk.rec.audio
Ian Bell
external usenet poster
 
Posts: 213
Default Mic/Phono preamp

Mike Gilmour wrote:

To audio techies. Is the anything against my occasionally using a
Millennia Media HV-3B microphone preamp as a phonostage just by heading it
with an
RIAA network. I hate to see it sitting lonely at quiet times ;-)
Thanks.

Mike


Nothing to stop you but performance will suffer because:

1. Strange load seen by the cartridge

2. RIAA network before the amp is the worst place to out it from the point
of view of noise performance.

if these don't bother you then go ahead.

Ian

  #18 (permalink)  
Old November 2nd 03, 11:59 AM posted to uk.rec.audio
Mike Gilmour
external usenet poster
 
Posts: 620
Default Mic/Phono preamp


On those considerations think I'll leave it be.
thanks,

Mike
"Ian Bell" wrote in message
...
Mike Gilmour wrote:

To audio techies. Is the anything against my occasionally using a
Millennia Media HV-3B microphone preamp as a phonostage just by heading

it
with an
RIAA network. I hate to see it sitting lonely at quiet times ;-)
Thanks.

Mike


Nothing to stop you but performance will suffer because:

1. Strange load seen by the cartridge

2. RIAA network before the amp is the worst place to out it from the

point
of view of noise performance.

if these don't bother you then go ahead.

Ian



  #19 (permalink)  
Old November 2nd 03, 11:59 AM posted to uk.rec.audio
Mike Gilmour
external usenet poster
 
Posts: 620
Default Mic/Phono preamp


On those considerations think I'll leave it be.
thanks,

Mike
"Ian Bell" wrote in message
...
Mike Gilmour wrote:

To audio techies. Is the anything against my occasionally using a
Millennia Media HV-3B microphone preamp as a phonostage just by heading

it
with an
RIAA network. I hate to see it sitting lonely at quiet times ;-)
Thanks.

Mike


Nothing to stop you but performance will suffer because:

1. Strange load seen by the cartridge

2. RIAA network before the amp is the worst place to out it from the

point
of view of noise performance.

if these don't bother you then go ahead.

Ian



 




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