MS-77T

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Yaqin MS-77T HiFi Vacuum Tube Push Pull Integrated Amplifier, HiFi Valve Tube Pure Amplifier, Hi-Fi Triod and UL 2 Mode Amp, RCA Jack x4 Input, 40 Watt x2 Output, with 7027B x4, 6J1 x8 Tube
- ✅ YAQIN MS-77T can use like a pure power tube amplifier or also an integrated tube amplifier, User-selected amplifier modes, UT (Ultra linear) mode provides greater output power and TR (Triode) mode does smooth and rich sound, Provides user adjustable bias, test points to refine bias of the output tubes.
- ✅ Beautiful heavy duty chassis (stainless steel top, steel bottom) and aluminum panel and bezels, gold plated connectors, gold plated tube sockets, Channel/volume control with remote control, 40 watt left and right channel with fuse output. Better sound and high output power.
- ✅ 7027B x4 vacuum tube push-pull power output with tube bias voltage adjustment, 6J1 x8 vacuum tube for voltage amplification, current drive. 4/8 ohm with fuse output, with headphone output, The bass part is deep and powerful and the vocal part is sweet and intoxicating.
- ✅ The best channel isolation is provided by over-sized transformers, made of 0.35 thick silicon steel sheet and high-quality enameled wire, transformer potting processing, with antimagnetic transformer covers to shield current interference and achieve much lower noise.
- ✅ All the components are of high quality level in hifi industry, Audio special-grade electrolytic capacitor, precision resistors for audio frequency, volume controller, gold plated speaker output. Low distortion, deliver balanced and colorful tone, a perfect choice to play vocal, symphony and classic music.
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Introduction

YAQIN MS-77T Push-pull tube amplifier HIFI vacuum tube amplifier

YAQIN was founded in 1994 and covers an area of more than 5,000 square meters,
has been specialized in the research and production of power amplifiers and transformers for many years.
Mainly produce Hi-Fi tube amplifiers (tube amplifiers), Hi-Fi tube pure pre-stages, tube DAC decoders, Hi-Fi power filters, tube radio and other high-end power amplifiers.

Specifications:

Output Power: 40Watt x2 (8ohm)
Tubes: 7027B x4, 6J1 x8
Input sensitivity: ≤0.23V(1KHz)
Frequency: 5Hz~68KHz (-2dB)
Signal/Noise Ratio: ≥88dB (A)
Harmonic Distortion: ≤0.5% (1KHz)
Consumption: 250W
Audio Input: 4 groups RCA
Audio Output: 2 groups
Load impedance: 8ohm or 4ohm
Colour: Black body & Silver
Size: 17x13x8.3in(Deep x wide x high)
Product weight: about 50lb
Package weight : 52lb
Input voltage: 110-120v or 220-240v 50/60hz available.

Tube Amplifier Precautions

1. Tube amp must connected with speakers before turning ON. Strictly prohibit send signals to amp without connected loads(speakers) or load short circuit when the switch is ON.

2. Temperature is higher when tube amps working, placing attention to ventilation, cooling.

3. In the boot or just shut down for a period of time (within 30 minutes) Do not spill liquid on the tubes.

4. You should take about 100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method.

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MS-77T

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