PYE Compressor/Limiter Thread *boards shipping* BOM up!

[skal1]

have got bypass board in? , if you have just buy a 1pole 2pos. rotary switch

Electrobumps​

 

[skal1]

https://www.ebay.co.uk/itm/25533901...DU3Auqq8DjG+f5zG7Jzu5PNhlW|tkp:Bk9SR_bvzN_5YA


MAINS SWITCH

 

[Quantum J Audio]

No BSY95A I use the V405 ORIGINAL SGS PNP cost £5 for two

not using 2N3904

I'm referring to the NPN VT12 on original Schematic or TR14 on the PIE build. The reason I used a 2N3904 was just to see if the issue was hfe related (which it is) as this is the lowest hfe NPN I had available. This is particular relates to the oscillator. If you are using the IC version then this is not an issue.

I was looking for an DPDT rotary for mains power and relay board. However this needs to be specified to 240v

 

[skal1]

You only need a 1pole 2 pos switch for bypass ...

the max current for the lorin switch. is 150 mA, 350 mA ,you can not switch mains voltage with this switch..

as for the BSY95A I will use that for v14 as the original Schematic states..

cheers

 

[JMan]

I believe that in Abe's design, the power On/Off and compressor bypass are all on the same switch (3 positions - Off, On [comp in], Bypass), though this might be irrelevant if you are going with your own scheme for the switches.

 

[skal1]

yeah just seen inside one, me personally would not hook up mains supply to that kind of switch that just me..

cheers

 

[JMan]

To be honest, I just don't like it from a user interface standpoint. I realize that it likely doesn't create a lot of real world problems, but the idea that A/B'ing the compressed and uncompressed signals would also be one extra turn of the switch away from shutting off the power to the unit just doesn't appeal to me.

 

[Quantum J Audio]

yeah just seen inside one, me personally would not hook up mains supply to that kind of switch that just me..

cheers

I wanted to a switch that was capable of 240v Off, On [comp in], Bypass). As per Abe's PIE design. My front panel is marked this was so I want to keep it that way. Currently I have a hole! If the switch is rated correctly this would not be an issue so thats why I asked what people used if keeping to the original front panel design.

 

[HerbertR]

I wanted to a switch that was capable of 240v Off, On [comp in], Bypass). As per Abe's PIE design. My front panel is marked this was so I want to keep it that way. Currently I have a hole! If the switch is rated correctly this would not be an issue so thats why I asked what people used if keeping to the original front panel design.

I did the same, its okay so. Two of Abe's boards are pulling far, far under the 150mA - this is allowed for Lorlins. I think this compressor is the least power consuming piece of my over 80 Outboard Pieces I have/built....
I took a 4P3T Lorlin.

 

[skal1]

Hi.

has anyone got the dimensions of Abe Pcb

cheers

 

[skal1]

hi guys ,

I am stuffing the power supply right now , just wondering is the orientation right for the diodes D9, D10,D11,D12

Cheers

 

[JMan]

At least based on the silkscreen, yes. I remember checking the PSU section of the board against the schematic and I’m pretty sure it was correct. Here’s a picture of mine…

 

[skal1]

cheers JMan

 

[skal1]

Hi, I am stuck on winding this T3 inductor , what's the inductance of primary and secondary.

Can I use power transformer wire , or is their some special wire I need to use..
cheers

 

[skal1]

anyone got a source for the high permeability cores

cheers

 

[skal1]

just a pic of my P.Y.E compressor boards fully suf,f some components are very close together..

enjoy

 

[skal1]

• anyone got a source for the high permeability torrid cores
  
  cheers

 

[skal1]

More progress

 

[vitopower]

• anyone got a source for the high permeability torrid cores
  
  cheers

I bought about 10 different values of EPCOS / TDK Ferrite Cores from Mouser over here across the pond, to experiment with for the 250k oscillator but I haven't started the build yet.

 

[skal1]

I here you I am play around with small transistor outputs , I wish I had more info on that part , is it step up or down and what's the inductance at 250khz