Presenting thread here: Babelfish M25 R.2/SET amp
Schematic and pcb screenshot post #1 , plenty of pictures after .
Tips and Tricks thread - will open, sooner or later
Reading entire thread is advisable , same as inquiring any technical question there : Be sure that you are aware of all things electrical and mechanical !
Pcbs are made for UMS , mounting directly to heatsink
Do not hurry - read , think , ask and only when you feel that you want it and can make it , proceed ...... advice which I'm finding applicable on practically anything .
For anything else , write either here , send PM or directly to >zenmodiyaudio@gmail.com<
Prices are mostly dictated with small scale nature of operation (as always is case) and time/work involved in matching and soldering little buggers.
For ordering , contact me at above written e-mail addy .
Kit options :
Option 1.
- LCH pcb ,
- RCH pcb ,
- all smd buffer JFets (Toshiba 2SK2145BL) presoldered ,
- smd precision CCS chips presoldered
- all smd caps and resistors presoldered ,
- 4pcs of 1uF MKC caps (for important bypass positions) enclosed.
Full price , including Paypal fee and P&P for registered shipping all around the Globe - 135E
Option 2.
- LCH pcb ,
- RCH pcb ,
- all smd buffer JFets (Toshiba 2SK2145BL) presoldered ,
- smd precision CCS chips presoldered
- all smd caps and resistors presoldered ,
- 4pcs of 1uF MKC caps (for important bypass positions) enclosed.
-all multiturn trimpots
-output mosfets , 2 pairs , IRFP240 & IRFP9140
-TP2640 tiny mosfets for SET amp - source follower/level shifter duty
-cascode bjts
-optocouplers
-all electrolytic caps (all Panasonics ,except Elna Silmic II for one signal route position)
-one-pin sockets for special resistor positions
-all (MF 600mW) resistors
-T0220 heatsinks - 4pcs
-etc.
to recapitulate - everything what goes on pcbs , excluding signal xformers and pcb/mosfet mounting screws/nuts/washers ;
Full price , including Paypal fee and P&P for registered shipping all around the Globe - 185E
If I have everything in drawers in moment of order , can ship in a week time;
If I don't have any of normal parts in drawer , shipping could be delayed up to 3 days;
If I don't have pcbs in drawer , shipping could be delayed up to 2 weeks;
If I don't have most critical part for getting in my neck of wood - CCS precision chips , shipping could be delayed up to 3 weeks.
All in all - you all know that ZM is slow, but inevitable
Handy Addendum (in short : HA!):
-Cap Bank pcbs - set of 2pcs; dual rail, CRC (pads, if you want differential CLC), snap-in up to 35mm Dia, resistor and pads for LED, position for 10mm NTC connecting Audio GND to chassis;
-NTC pcb/ FW style Soft Start - set of 2pcs; each having place for 2 independent NTCs;depending of arrangement of primaries of Donuts you're using. you'll need either one pcb for two Donuts, or one pcb per Donut
HA! set is 25E more
see pics for HA!; lazy to search do I have photo of NTC pcb, but who cares
Schematic and pcb screenshot post #1 , plenty of pictures after .
Tips and Tricks thread - will open, sooner or later
Reading entire thread is advisable , same as inquiring any technical question there : Be sure that you are aware of all things electrical and mechanical !
Pcbs are made for UMS , mounting directly to heatsink
Do not hurry - read , think , ask and only when you feel that you want it and can make it , proceed ...... advice which I'm finding applicable on practically anything .
For anything else , write either here , send PM or directly to >zenmodiyaudio@gmail.com<
Prices are mostly dictated with small scale nature of operation (as always is case) and time/work involved in matching and soldering little buggers.
For ordering , contact me at above written e-mail addy .
Kit options :
Option 1.
- LCH pcb ,
- RCH pcb ,
- all smd buffer JFets (Toshiba 2SK2145BL) presoldered ,
- smd precision CCS chips presoldered
- all smd caps and resistors presoldered ,
- 4pcs of 1uF MKC caps (for important bypass positions) enclosed.
Full price , including Paypal fee and P&P for registered shipping all around the Globe - 135E
Option 2.
- LCH pcb ,
- RCH pcb ,
- all smd buffer JFets (Toshiba 2SK2145BL) presoldered ,
- smd precision CCS chips presoldered
- all smd caps and resistors presoldered ,
- 4pcs of 1uF MKC caps (for important bypass positions) enclosed.
-all multiturn trimpots
-output mosfets , 2 pairs , IRFP240 & IRFP9140
-TP2640 tiny mosfets for SET amp - source follower/level shifter duty
-cascode bjts
-optocouplers
-all electrolytic caps (all Panasonics ,except Elna Silmic II for one signal route position)
-one-pin sockets for special resistor positions
-all (MF 600mW) resistors
-T0220 heatsinks - 4pcs
-etc.
to recapitulate - everything what goes on pcbs , excluding signal xformers and pcb/mosfet mounting screws/nuts/washers ;
Full price , including Paypal fee and P&P for registered shipping all around the Globe - 185E
If I have everything in drawers in moment of order , can ship in a week time;
If I don't have any of normal parts in drawer , shipping could be delayed up to 3 days;
If I don't have pcbs in drawer , shipping could be delayed up to 2 weeks;
If I don't have most critical part for getting in my neck of wood - CCS precision chips , shipping could be delayed up to 3 weeks.
All in all - you all know that ZM is slow, but inevitable
Handy Addendum (in short : HA!):
-Cap Bank pcbs - set of 2pcs; dual rail, CRC (pads, if you want differential CLC), snap-in up to 35mm Dia, resistor and pads for LED, position for 10mm NTC connecting Audio GND to chassis;
-NTC pcb/ FW style Soft Start - set of 2pcs; each having place for 2 independent NTCs;depending of arrangement of primaries of Donuts you're using. you'll need either one pcb for two Donuts, or one pcb per Donut
HA! set is 25E more
see pics for HA!; lazy to search do I have photo of NTC pcb, but who cares
Attachments
Last edited:
but I have promised myself only one more 
working on amassing parts and following documentation
Code:
Babelfish M25 R.2/SET PACKING LIST:
Resistors:
0R-2pcs
1R-2pcs
39R-4pcs
100R-12pcs
220R-4pcs
270R-2pcs
390R-2pcs
750R-2pcs
10K-8pcs
18K-2pcs
36K-2pcs
47K-2pcs
100K-2pcs
180K-2pcs
0R22/2W-8pcs
Trimpots:
100R-4pcs
200R-2pcs
20K-2pcs
Capacitors:
1uF/100V/MKC-4pcs
10uF-22uF Silmic-2pcs
10uF/63V-4pcs
330-470uF/6V3-16V-4pcs
3300uF/16V-2pcs
Diodes:
ZD7V5/500mW-2pcs
ZD8V2/500mW-6pcs
IC:
PC817C-4pcs
LM385-1V2-4pcs
Semis:
BD139-2pcs
BD140-2pcs
TP2640-2pcs
IRFP240-2pcs
IRFP9140-2pcs
Misc:
1pin header-4pcs
2pin headers-2pcs
Jumper-2pcs
Needle wire conn.-10pcs
T0220 htsnk-4pcs
channel pcb set (with all SMD parts
presoldered)-1pc
HA! (optional):
Cap Bank pcb-2pcs
NTC Pcb-2pcs
Needle wire conn.-30pcs