S SIXTYNINER Well-known member Joined Sep 15, 2005 Messages 808 Location ...Somewhere In The Infinity Mar 13, 2018 #41 Hello , the Harrison MR replica Include original Harrison in-out transformers ?
YannLu Well-known member Joined Aug 21, 2016 Messages 85 Location Belgium Mar 14, 2018 #42 Actually there is no output transfo in the original MR4 channel strip. I chose to make the perfect replica with the line driver balanced output.
Actually there is no output transfo in the original MR4 channel strip. I chose to make the perfect replica with the line driver balanced output.
YannLu Well-known member Joined Aug 21, 2016 Messages 85 Location Belgium Mar 15, 2018 #43 Hello, Now there are 2 versions of the EQ-500 : - Harrison MR4 replica : Mid range from 400 to 8000 Hz - Custom version : Mid range from 200 to 4300 Hz Mouser BOM : https://www.mouser.be/ProjectManager/ProjectDetail.aspx?State=EDIT&ProjectGUID=a3df64f4-33ef-40b3-837d-348ba20aea6e Alternative provider for the 4x C50k frequency pots (out of stock by Mouser) : https://www.arrow.com/fr-fr/products/ptd904-2015k-c503/bourns Here is below the upgraded Build Guide for EQ500 DIY kit. For pricing and purchasing : [email protected] Cheers. Yann Attachments YannLu EQ-500 build guide.pdf 1.9 MB · Views: 22
Hello, Now there are 2 versions of the EQ-500 : - Harrison MR4 replica : Mid range from 400 to 8000 Hz - Custom version : Mid range from 200 to 4300 Hz Mouser BOM : https://www.mouser.be/ProjectManager/ProjectDetail.aspx?State=EDIT&ProjectGUID=a3df64f4-33ef-40b3-837d-348ba20aea6e Alternative provider for the 4x C50k frequency pots (out of stock by Mouser) : https://www.arrow.com/fr-fr/products/ptd904-2015k-c503/bourns Here is below the upgraded Build Guide for EQ500 DIY kit. For pricing and purchasing : [email protected] Cheers. Yann
Carl Cress Well-known member Joined May 30, 2015 Messages 52 Mar 15, 2018 #44 I just ordered my second EQ with the Mid modification. I’m extremely happy with these and can’t wait to have it in the rack! Thanks Yann.
I just ordered my second EQ with the Mid modification. I’m extremely happy with these and can’t wait to have it in the rack! Thanks Yann.
YannLu Well-known member Joined Aug 21, 2016 Messages 85 Location Belgium Nov 29, 2018 #45 Hello, I upgraded the EQ-500 (electronic balanced output circuitry made with a single DRV134). No double trace scope needed anymore ! Prices (excl. shipping) : DIY full kit : EUR 280 DIY partial kit (PCB, frontplate, knobs) : EUR 150 The Mouser project for the partial kit: https://www.mouser.be/ProjectManager/ProjectDetail.aspx?State=EDIT&ProjectGUID=1f729371-fd33-42d2-9754-fb7dc05b2d31 Contact me for purchasing : [email protected] Cheers ! Yann
Hello, I upgraded the EQ-500 (electronic balanced output circuitry made with a single DRV134). No double trace scope needed anymore ! Prices (excl. shipping) : DIY full kit : EUR 280 DIY partial kit (PCB, frontplate, knobs) : EUR 150 The Mouser project for the partial kit: https://www.mouser.be/ProjectManager/ProjectDetail.aspx?State=EDIT&ProjectGUID=1f729371-fd33-42d2-9754-fb7dc05b2d31 Contact me for purchasing : [email protected] Cheers ! Yann