I have this amp and it is truely one of the finest basic amps you'll find in the last 25yrs. I have been looking into Home Audio.
Here are a few details:
This is the original model B&K ST-202 which was modified at http://www.soundunlimitedllc.com/ .They no longer do Mods for it,but many people wish they did.Totaly different sounding amp than the stock version.
---Spec's---
Some Spec's of my system at Present:
B&K ST-202 Modified
Input Sens.-------1.4
Input Impedence---24.3K ohms
Power Rating------150 8ohms
"""""""""""""""" ------200 4ohms
S\N---------------95db
DC Offset@Output--<2mV
Servo Loop Bandwith--0Hz.-.7Hz.
Damping Factor----180
Class A\AB
---Mods Done---
DC Servo Loop Added
OP Amps reworked for more linear operation
All Caps Replaced(Eliminated Cap in Feedback Loop)Rel-Caps\Rifa\Rima\Siememens
BIAS'd to Class A Operation
Star Grounding
Changed Wires to Kimber
Transformer Replaced with a High Current Toroidal
The sound is more Open,less veiled,Instraments became more seperated and it has a cleaner tighter Bass then the Stock unit.Increase in Width & Depth of Soundtage.Highly Transparent!
Have used successfully to drive PSB's,Magnepans & NEAR speaker's.
Poorman's Krell I like to refer to it as!
Here are a few details:
This is the original model B&K ST-202 which was modified at http://www.soundunlimitedllc.com/ .They no longer do Mods for it,but many people wish they did.Totaly different sounding amp than the stock version.
---Spec's---
Some Spec's of my system at Present:
B&K ST-202 Modified
Input Sens.-------1.4
Input Impedence---24.3K ohms
Power Rating------150 8ohms
"""""""""""""""" ------200 4ohms
S\N---------------95db
DC Offset@Output--<2mV
Servo Loop Bandwith--0Hz.-.7Hz.
Damping Factor----180
Class A\AB
---Mods Done---
DC Servo Loop Added
OP Amps reworked for more linear operation
All Caps Replaced(Eliminated Cap in Feedback Loop)Rel-Caps\Rifa\Rima\Siememens
BIAS'd to Class A Operation
Star Grounding
Changed Wires to Kimber
Transformer Replaced with a High Current Toroidal
The sound is more Open,less veiled,Instraments became more seperated and it has a cleaner tighter Bass then the Stock unit.Increase in Width & Depth of Soundtage.Highly Transparent!
Have used successfully to drive PSB's,Magnepans & NEAR speaker's.
Poorman's Krell I like to refer to it as!