Douk Audio Phono Pre-Amplifier Board Inspired by 834Circuit
The circuit More than 200 times amplification, so have a high demands on components, we must tested and selected in lots of times to ensure these components matched well. Our Douk Audio Studio have 3 years of experience in the production of this Kit, more than 2000 sets of sales at home and abroad, this is the latest September 2016 No. 1 Version, High-quality promised, special desgin for the Hi-end DIY Audiophile.
Features:
MM+MC Phono Pre-Amplifier
2.0mm thick Hi-end PCB
9V (Ni-MH) rechargeable batteries
Panasonic Motor Potentiometer 50KA × 4
Transformer secondary voltage requirements:
AC110V / more than 30ma
AC28V / more than 500ma.
Mainboard Size:114x194mm
80mm chassis height requirements
Package included:
- 1PC assembled board
- 1PC Potentiometer
- 4PCS terminals
- 1set of screws
MC electronic transformer operating current 10ma
That is the theoretical value 300ma battery can work 30 hours
Not turn off the main power the signal switch on the MM is for charging
Trickle charge mode can be long slow charged to fully stop
Pleases Note:
This
Product need you have Professional DIY ability, the Unsuccessful Diy
Making is Beyong The Scope Of Our Warranty, We Only Support The
Technical Consulting Support.
Because
everytime purchase of components may different, the individual
components and the picture may be different, but the quality and
performance is the same.
We also have the MM+MC finished product in chassis, if you want please mail me.