Quad 44 MKI DIY Upgrade and Revision kit Deluxe OPA604

Everything you need to do a full revision of your 44 yourself!

• Step-by-step instructions included.
• Schematics included (in pdf by e-mail)
• 7/7 help via e-mail
• Burr Brown OPA604 Audiograde opamps
• Nichicon Audiograde electrolyt capacitors
• The kit is adapted to the serial-number of your 44. This kit is for serial numbers below 23000. If your 44 has a higher serial number you should choose the MKII 44 kit in our Ebay-shop.