I been searching for a new preamp for my system and finally settled on the Music Paradise 701 MK2. With a price of only $720.00 I feel there is a lot of value in this tube preamp. Since there wasn’t much information on head-fi I decided to start a thread about it.
This is a tweeker‘s dream preamp. Has settings to increase the gain along with switch that allow you to use a multitude of different tubes. The capacitors are not soldered in and can easily be replaced by user.
I received my unit last week and am already impressed by the build quality along with sound quality. For the price, I don’t think there is any other preamp that gives you this much freedom to adjust the sound quality.
Technical highlights
1. Onboard filament voltage switches allow support both 6.3V and 5V rectifier, 6.3V and 12.6V signal tubes.
2. Onboard DIP switches allow user to select 4 different levels of output gain to support different input sensitivity of amplifiers.
3. Zero negative feedback circuit provides the most natural sounding.
4. Oversized 150W toroidal transformer provides sufficient power redundancy. It is magnet shielded in the compartment underneath the motherboard.
5. Output coupling capacitors and power filtering bypassing capacitors are user changeable to further improve or customize the overall sound characteristics. No soldering is required.
6. Built with genuine HiFi grade components, such as Vishay military grade resistors, Genuine Rubycon and Nichicon LOW ESR power filtering capacitors, OHVL coupling caps, Bennic XPP bypassing capacitors, ALPS volume control and power switch, heavy gold-plated terminals.
7. Solid aluminum alloy case, suspension feet and knobs.
8. Remote volume control feature.
Specs
1. Output voltage: 20V (Max) depending on DIP switches gain settings and the type of signal tubes.
2. Output impedance: 2Kohm (Recommended power amp input impedance >=10Kohm)
3. Input impedance: 100Kohm
4. Frequency Response: DC to 50khz
5. Input: RCA x 3, XLR x 1
6. Output: RCA x 2, XLR x 1
7. Sub-woofer support: Yes
8. Dimensions: W 31cm x D 39cm x H 15.5cm
9. Gross Weight: 12 kg
10. Input Voltage: 110-120V / 220-240V
Tubes
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: 6N11, 6N1P, E88CC, E188CC, CCA, 6922, 6H23, 6H6, 6H30, 6CG7, (6SN7 with 6SN7 to 6922 adapter).
4. 12.6V signal tubes: 12AU7, 12BH7, E80CC, (12SN7 with 6SN7 to 6922 adapter)
When using 6.3V filament rectifier tubes, onboard S2 switch must set to 6X5 position. When using 5V filament rectifier tubes, onboard S2 switch must set to 5AR4 position.
When using 6.3V filament signal tubes, onboard S1 switch must set to 6.3V position. When using 12.6V filament signal tubes, onboard S1 switch must set to 12.6V position.
Capacitors
1. Stock Obbligato gold coupling capacitor is 630V 2.2UF. Capacitance can be 1.5UF – 4.7UF. Voltage needs to be >=350V. Nonpolar.
2. Stock Bennic power filtering bypassing capacitor is 350V 6.8UF. Capacitance can be 0.1UF – 10UF. Voltage needs to be >=350V. Nonpolar.
https://www.musicalparadise.ca/store/index.php?route=product/product&path=59&product_id=103
This is a tweeker‘s dream preamp. Has settings to increase the gain along with switch that allow you to use a multitude of different tubes. The capacitors are not soldered in and can easily be replaced by user.
I received my unit last week and am already impressed by the build quality along with sound quality. For the price, I don’t think there is any other preamp that gives you this much freedom to adjust the sound quality.
Technical highlights
1. Onboard filament voltage switches allow support both 6.3V and 5V rectifier, 6.3V and 12.6V signal tubes.
2. Onboard DIP switches allow user to select 4 different levels of output gain to support different input sensitivity of amplifiers.
3. Zero negative feedback circuit provides the most natural sounding.
4. Oversized 150W toroidal transformer provides sufficient power redundancy. It is magnet shielded in the compartment underneath the motherboard.
5. Output coupling capacitors and power filtering bypassing capacitors are user changeable to further improve or customize the overall sound characteristics. No soldering is required.
6. Built with genuine HiFi grade components, such as Vishay military grade resistors, Genuine Rubycon and Nichicon LOW ESR power filtering capacitors, OHVL coupling caps, Bennic XPP bypassing capacitors, ALPS volume control and power switch, heavy gold-plated terminals.
7. Solid aluminum alloy case, suspension feet and knobs.
8. Remote volume control feature.
Specs
1. Output voltage: 20V (Max) depending on DIP switches gain settings and the type of signal tubes.
2. Output impedance: 2Kohm (Recommended power amp input impedance >=10Kohm)
3. Input impedance: 100Kohm
4. Frequency Response: DC to 50khz
5. Input: RCA x 3, XLR x 1
6. Output: RCA x 2, XLR x 1
7. Sub-woofer support: Yes
8. Dimensions: W 31cm x D 39cm x H 15.5cm
9. Gross Weight: 12 kg
10. Input Voltage: 110-120V / 220-240V
Tubes
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: 6N11, 6N1P, E88CC, E188CC, CCA, 6922, 6H23, 6H6, 6H30, 6CG7, (6SN7 with 6SN7 to 6922 adapter).
4. 12.6V signal tubes: 12AU7, 12BH7, E80CC, (12SN7 with 6SN7 to 6922 adapter)
When using 6.3V filament rectifier tubes, onboard S2 switch must set to 6X5 position. When using 5V filament rectifier tubes, onboard S2 switch must set to 5AR4 position.
When using 6.3V filament signal tubes, onboard S1 switch must set to 6.3V position. When using 12.6V filament signal tubes, onboard S1 switch must set to 12.6V position.
Capacitors
1. Stock Obbligato gold coupling capacitor is 630V 2.2UF. Capacitance can be 1.5UF – 4.7UF. Voltage needs to be >=350V. Nonpolar.
2. Stock Bennic power filtering bypassing capacitor is 350V 6.8UF. Capacitance can be 0.1UF – 10UF. Voltage needs to be >=350V. Nonpolar.
https://www.musicalparadise.ca/store/index.php?route=product/product&path=59&product_id=103
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