Musical Paradise MP-701 MK4 Tube Preamp Best Upgraded Remote Edition Preamplifier AC100V-AC240V
All items ONE-YEAR WARRANTY !!!
We can Declare the Value of the Order as Customer's Remark!!!
New fourth generation upgraded version
√ The whole machine has been fully upgraded with hardcore technology, specifically designed for high HiFi sound quality
√ Pure and Warm Gallbladder Flavor | Details Full | Dynamic and Powerful
√ Deep three-dimensional sound field | Solid and full low-frequency
Say goodbye to digital dry cold sound and restore the on-site listening experience
√ Senior audiophile exclusive pre tuning stage
Seven Core Upgrades: Dual Transformation of Sound Quality and Experience
√ 2-inch IPS high-definition color screen visualization operation
√ 100 level relay resistor array volume system with zero deviation and low distortion
√ Fully functional infrared remote control for convenient operation
√ Z11 Iron Core Fever Power Supply Bull Pure Power Supply
√ Advanced filtering capacitor upgrade for purer signal
√ Optimize rectifier circuit to prolong bile duct life
√ Thickened all aluminum chassis for shock absorption and more stable sound suppression
Eight major fever level core technologies: hardcore reactor materials
*Dual voltage bile duct compatible with free bile duct switching tuning
*Four levels of gain can be adjusted to fit all amplifiers
*Zero negative feedback circuit with authentic natural sound
*High power redundant power supply, dynamic and not weak
*Easy DIY tuning with solder free capacitor replacement design
*Imported fever components with extremely low loss across the entire range
*Precision metal body knob for noise reduction and earthquake resistance
*Fully functional remote control with one click convenient operation
Full Specifications
1. Max Output Voltage: 20V (variable based on DIP gain settings and installed signal tube models)
2. Output Impedance: 2KΩ (Recommended power amplifier input impedance: ≥7KΩ)
3. Input Impedance: 30KΩ
4. Frequency Response: DC – 50kHz
5. Input Interfaces: 3 × RCA, 1 × XLR
6. Output Interfaces: 2 × RCA, 1 × XLR
7. Subwoofer Output Support: Yes
8. Product Dimensions: 41cm (W) × 31cm (D) × 10cm (H)
9. Gross Weight: 10kg
10. Input Voltage: 110-120V / 220-240V (switchable)
Compatible Tube Models
1. 6.3V Filament Rectifier Tubes: 6Z5P, 6X5
2. 5V Filament Rectifier Tubes: 5R4, 5U4G, 5AR4, GZ33, GZ34, 274B, 5Y3, 5Z3P
3. 6.3V Signal Tubes: 6H1n, 6N11, 6N1P, E88CC, E188CC, CCA, 6922, 6H23, 6H6n, 6H30, 6CG7, 6SN7 (with 6SN7 to 6922 adapter)
4. 12.6V Signal Tubes: 12AU7, 12BH7, E80CC, 12SN7 (with 6SN7 to 6922 adapter)
Tube Voltage Switch Instructions
Set the onboard S2 switch to the 6X5 position when using 6.3V filament rectifier tubes; set it to the 5AR4 position for 5V filament rectifier tubes.
Set the onboard S1 switch to the 6.3V position for 6.3V filament signal tubes; set it to the 12.6V position for 12.6V filament signal tubes.
Capacitor Replacement Parameters
1. Stock RIFA PHE450 Coupling Capacitor: 1000V 2.2μF
Replacement Range: 1μF – 4.7μF, voltage ≥350V, non-polar capacitor
2. Stock ICEL Power Filtering Bypass Capacitor: 400V 2.2μF
Replacement Range: 0.1μF – 10μF, voltage ≥350V, non-polar capacitor
Notes
1. The MP-701 MK4 adopts a single-ended circuit design. The XLR interface is converted from RCA for user convenience, compatible with standard XLR audio cables.
2. Partial product specifications and components are subject to upgrade and change without prior notice.
User Manual






