Does the MKS-9912 system use authentic vacuum tubes?

Yes, the MKS-9912 receiver utilizes physical vacuum tube amplification processing. This distinct hardware architecture delivers a rich, harmonically warm sound profile that standard solid-state receivers cannot replicate, making it ideal for professional vocalists.

What is the effective wireless range of the MKS-9912?

The system utilizes advanced PLL phase-locked loop frequency synthesis with quartz crystal locking. In open spaces, the effective working distance is generally over 70 meters, ensuring zero-dropout performance on large stages.

How long do the microphone batteries last?

Each handheld transmitter operates on two standard AA batteries. With a typical current consumption of 100mA, the microphones offer approximately 10 hours of continuous performance lifespan.

Professional Vacuum Tube True Diversity Wireless Microphone System | MKS-9912

Name: MKS-9912 Professional Tube-Amplified UHF Wireless Microphone System
Brand: Maccus Audio
Availability: InStock

The MKS-9912 represents the pinnacle of professional wireless audio, combining the legendary warmth of vacuum tube amplification with the rock-solid stability of true diversity technology. Locked with precision quartz crystals for ultra-low frequency deviation, this system is engineered for elite vocal performances in professional theaters and high-end concert venues where audio texture and signal integrity are critical.

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Full Technical Specifications

Receiver Specifications (Tube Amplified)

Chassis Specification

EIA Standard 1U

Channel Capacity

Dual Channel (200 Adjustable Groups)

Frequency Range

UHF 610 – 670 MHz

Frequency Stability

± 0.002% (Better than 15PPM Quartz Lock)

Audio Amplification

Vacuum Tube Processing

Receiver Sensitivity

10uV / -100dBm @ 50dB SINAD

Signal to Noise Ratio

> 100dB

Composite Distortion (T.H.D.)

< 0.2% @ 1KHz

Combined Freq. Response

55Hz ~ 16KHz ± 3dB

Effective Distance

> 70 Meters (Open environment)

Power & Dimensions

100-240V AC (10W) | 420 x 207 x 44 mm (2.81 Kg)

Handheld Transmitter Specifications

Sound Head (Capsule)

Dynamic / Condenser (Cardioid Directivity)

RF Power Output

10mW

Harmonic Radiation

< -63dBm

Battery & Lifespan

2x AA Batteries | Approx. 10 Hours

Weight

274.3g

Target Audience

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Professional Vocalists & Recording Studios
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High-End Performance & Theater Venues
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Audiophile System Integrators

Typical Scenarios

Live Stage

Professional concert stages requiring warm, tube-amplified vocal clarity.

Premium Event

Elite galas and award ceremonies where audio texture is paramount.

B2B Manufacturing & Audio Innovation

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Vacuum Tube Warmth

Unlike standard solid-state receivers, the MKS-9912 utilizes vacuum tube amplification to deliver a rich, harmonically warm sound profile sought after by professional performers.

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Quartz Precision

System frequency is locked with high-precision quartz crystals (better than 15 ppm), ensuring an ultra-stable signal link for zero-dropout performance.

Global OEM/ODM Partnership

Maiku Electronic Tech provides specialized engineering for tube-based wireless systems:

Custom Tube Circuit Architecture
Private Branding (Laser Marking)
Regional Frequency Band Compliance

Direct Source: Enping, China • ISO 9001 Facility

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