product description

MM moving magnet phono amplifier (attenuation type)

Reference circuit German DUAL MM Phono Amplifier

The biggest highlight: two-stage regulated power supply, one-point grounding, strong anti-interference ability.

Standard RIAA curve, two-stage stabilized power supply circuit, dynamic and sharp, symphonic monitoring style

HIFI grade ingredients, strong German style.

Two operational amplifiers used in this version are BB-OPA2134

The line phono amplifier with the same excellent cost performance and performance, the sound quality is delicate and natural, the sound field positioning is accurate, and the low frequency is very full.

Detailed parameters

Input impedance: 47kohms/100pF
Capture MM: 40dB
Output voltage: 200mV/1kHz, 3mV/1kHz
Recommended input voltage: 18-0-18VAC, no less than 15W transformer

Product Size

Finished board size: 101*86*35mm

Precautions

common sense:
The output of MM cartridge is relatively high, between 1mv and 5mv

Circuit diagram

Matters needing attention

This product does not contain electronic tubes, please bring your own, or contact the seller to purchase.
This version is MM-RIAA amplifier. not suitable for MC Turntables!!!

The list of goods

PCB: DUAL Phono Amplifier PCB X1
Kit: DUAL Phono Amplifier kit X1
Finished board: DUAL Phono Amplifier Finished Board X1

This shop has matching transformers for sale, please click on the picture below to buy