Opera M100-10 Signature Tube Merger Machine, Power Amplifier, Gallbladder Machine, Hifi Audio, Home Use

M100-10 signature 10th anniversary commemorative signature version electronic tube combined power amplifier

In 2004, Obo's 10th anniversary commemorative edition product was launched.

Unlike the classic merger machine M100PLUS, the voltage amplification stage does not use an SRPP circuit. Instead,

a 12AT7 is divided into two halves with low internal resistance and high screen power consumption,

replacing the 6N8P with a 12BH7 for long tail reverse driving. The final power amplification tube does not use a fixed gate bias,

but instead uses a self-sufficient bias method, which is convenient to replace and does not require adjustment,

in line with modern lifestyle habits. The high-voltage part adopts a mixed rectification of electronic tubes and transistors,

with three measures to make the sound more charming and the high frequency more detailed.

Make the most of the management, and the sound is guaranteed to increase. It is well known that the power supply of

amplifiers has a significant impact on sound. The 10th anniversary signature machine, in addition to using electronic tubes for rectification,

also uses electrolytic capacitors with good musicality for filtering and electrolysis. This investment has brought considerable returns.

The output transformer is the soul of electronic tube machines, a design that has been used for over a decade. After years of testing,

its strong musical sense has been recognized by users both domestically and internationally. In 2011,

a new design added negative feedback winding, resulting in superior phase frequency characteristics.

This is reflected in more accurate sound field and positioning, as well as smaller full frequency distortion.

Technical parameters:

Output impedance: 8 , 4

Output power: 35W x2 RMS 1kHz

Frequency response: 6Hz-60kHz -3dB (10W)

Signal to noise ratio: 90dB

Input ports: 4 sets (RCA)

Input impedance: 50k

Power consumption: 150W

Electronic tubes: 6CA7EHx4, 5687×2, ECC81x1, 5AR4 (SOV) x2

Volume: 370 (L) x 430 (W) x 188 (H) mm

Weight: 25kg