Ibanez PhaseTone PT-999

bybass · Post by **bybass** » 06 May 2010, 08:24

Hi...all...
These is my project....

Ibanez PhaseTone PT-999 ..... nice phaser with warm sound...

: Ibanez_PT999_PhaseTone_1976cat.jpg (40.88 KiB) Viewed 2978 times

sorry if i have some mistake...

Does anyone can help me to draw pcb layout (corel draw.....

)

borislavgajic · Post by **borislavgajic** » 06 May 2010, 09:38

thanks very much

use Sprint Layout for PCB

Boris

Dirk_Hendrik · Post by **Dirk_Hendrik** » 06 May 2010, 16:23

Not my most favourite phaser. Distorts too much and warm can also be considered "lack of highs". Check the maxon PT schem on my site to find out how the maxon guys inproved this design (a lot).

and again I wonder how it is possible that effects and mixing consoles always start to sound warmer as their age increases

Excellent pics thoug!!

moose23 · Post by **moose23** » 03 May 2012, 11:06

Thanks for the lovely detailed gutshots, just saved me a good bit of time this morning.

drocelot · Post by **drocelot** » 22 May 2012, 03:09

i have one of these any idea where a replacement switch would be from?

Dirk_Hendrik · Post by **Dirk_Hendrik** » 22 May 2012, 06:41

As far as I know any spst footswitch will do.

Post by **modman** » 22 May 2012, 07:40

http://www.dirk-hendrik.com/maxon_phasetone_pt999.pdf

Dirk_Hendrik · Post by **Dirk_Hendrik** » 22 May 2012, 07:58

Carefull Modman! I would have posted that link if it would apply to the bypass scheme;)
Where the Maxon and the Iba have almost the same phasing "engine" that does not apply to the bypass. In the Iba the phased (delayed) signal is passively mixed with the dry signal. Bypass is done by breaking the connection to the delayed signal.

Bernardduur · Post by **Bernardduur** » 31 Jul 2015, 21:12

The schematic of my unit:

Bernardduur · Post by **Bernardduur** » 18 Feb 2016, 17:16

Small error corrected; R30 was 24k