1. መግቢያ
The Pro-Ject Phono Box S2 is a high-quality phono preamplifier designed to enhance the audio signal from your turntable before it reaches your amplifier or receiver. It features audiophile-grade components and a dual mono configuration for superior sound reproduction. This manual provides detailed instructions for setting up, operating, and maintaining your Phono Box S2.
ቁልፍ ባህሪዎች
- Audiophile Performance
- Dual mono configuration for enhanced channel separation
- Audiophile-grade ampየማብራሪያ ሞጁሎች
- Audiophile-grade polypropylene WIMA capacitors
- Precise RIAA equalization
- Adjustable input impedance and capacitance via DIP switches
- Selectable gain settings for Moving Magnet (MM) and Moving Coil (MC) cartridges
2. የደህንነት መመሪያዎች
መሳሪያውን ከመጠቀምዎ በፊት እነዚህን የደህንነት መመሪያዎች በጥንቃቄ ያንብቡ። ይህንን መመሪያ ለወደፊት ጥቅም ላይ እንዲውል ያስቀምጡት።
- Always disconnect the device from the power outlet before cleaning or if it will not be used for an extended period.
- መሳሪያውን ለዝናብ ወይም ለእርጥበት አያጋልጡት.
- መሳሪያውን እንደ ራዲያተሮች፣ ሙቀት መመዝገቢያዎች፣ ምድጃዎች ወይም ሌሎች ሙቀት አምጪ መሳሪያዎች ካሉ የሙቀት ምንጮች አጠገብ ከማስቀመጥ ይቆጠቡ።
- የአየር ማናፈሻ ክፍተቶችን አያግዱ። በክፍሉ ዙሪያ ትክክለኛውን የአየር ፍሰት ያረጋግጡ.
- በአምራቹ የተገለጹ አባሪዎችን/መለዋወጫዎችን ብቻ ይጠቀሙ።
- ሁሉንም አገልግሎቶች ብቁ ለሆኑ የአገልግሎት ሰራተኞች ያመልክቱ። አፓርትመንቱ በማናቸውም መንገድ ጉዳት ከደረሰ በኋላ ማገልገል ያስፈልጋል፣ ለምሳሌ የኃይል ማስተላለፊያ ገመድ ወይም መሰኪያ ሲበላሽ፣ ፈሳሽ ሲፈስ ወይም ዕቃው ውስጥ ሲወድቅ፣ መሳሪያው ለዝናብ ወይም ለእርጥበት ሲጋለጥ፣ መደበኛውን የማይሰራ ከሆነ። , ወይም ተጥሏል.
3. የጥቅል ይዘቶች
እባክዎ ፓኬጅዎ የሚከተሉትን እቃዎች እንደያዘ ያረጋግጡ፡
- Pro-Ject Phono Box S2 Unit
- 18V DC የኃይል አቅርቦት
- መመሪያ መመሪያ
4. ምርት አብቅቷልview
የፊት ፓነል
The front panel of the Phono Box S2 features a minimalist design with a single control element.

ምስል 1: የፊት view of the Pro-Ject Phono Box S2 in black. The front panel features a circular power button on the left side, with a small LED indicator above it. The 'P Phono Box S2' logo is printed below the button.
- የኃይል ቁልፍ፡- ክፍሉን ለማብራት ወይም ለማጥፋት ያገለግላል.
- የኃይል LED; ክፍሉ ሲበራ ያበራል።
የኋላ ፓነል
The rear panel provides all necessary connections for your turntable and amplifier, along with the power input.

ምስል 2: የኋላ view of the Pro-Ject Phono Box S2. From left to right, it shows a ground screw terminal, 'In' RCA jacks (Left and Right), a 'Subsonic' button, 'Out' RCA jacks (Left and Right), and the 18V power input jack.
- የከርሰ ምድር ተርሚናል Connects to the ground wire from your turntable to minimize hum.
- In (RCA): Audio input from your turntable (Left and Right channels).
- Subsonic Button: Activates or deactivates the subsonic filter, which removes very low-frequency rumble.
- Out (RCA): Audio output to your amplifier or receiver (Left and Right channels).
- 18V DC የኃይል ግብዓት፡- Connects to the supplied 18V DC power adapter.
5. ማዋቀር
Follow these steps to properly set up your Pro-Ject Phono Box S2.
5.1. ግንኙነቶች
- Ensure all audio components are turned off before making connections.
- የRCA የውጤት ገመዶችን ከተርንቴብልዎ ወደ ያገናኙ 'In' RCA jacks on the rear of the Phono Box S2. Ensure left and right channels are correctly matched.
- የመሬት ሽቦውን ከመዞሪያ ጠረጴዛዎ ጋር ያገናኙ የመሬት ተርሚናል on the Phono Box S2. This helps reduce hum.
- ያገናኙት። 'Out' RCA jacks of the Phono Box S2 to a line-level input on your amplifier or receiver (e.g., CD, Aux, Line In). Do not connect to a phono input on your amplifier, as this will result in distorted sound.
- Connect the supplied 18V DC power supply to the '18V DC' input on the rear of the Phono Box S2, then plug the power supply into a wall outlet.

ምስል 3: ዘፀample setup with a turntable connected to a Pro-Ject Phono Box S2. The image illustrates the compact size of the phono preamplifier next to a turntable.
5.2. DIP Switch Settings (Bottom Panel)
The Phono Box S2 features DIP switches on its underside, allowing you to adjust gain, input impedance, and input capacitance to match your specific phono cartridge. There are two sets of switches, one for the left channel and one for the right. Ensure both sets are configured identically.
Refer to your cartridge's specifications for recommended settings. If you are unsure, consult your cartridge manufacturer's documentation or an audio specialist.
| በማቀናበር ላይ | መግለጫ | Common Values / Purpose |
|---|---|---|
| ማግኘት (ዲ.ቢ.) | ያስተካክላል ampየማጣሪያ ደረጃ። | 40ዲቢ Standard for Moving Magnet (MM) cartridges. 43ዲቢ Slightly higher gain for MM, or some high-output MC. 60ዲቢ Standard for Moving Coil (MC) cartridges. 63ዲቢ Slightly higher gain for MC. |
| Input Impedance (Ohms) | Sets the electrical load presented to the cartridge. | 47k Ohms: Standard for MM cartridges. 10/100/1k/2k Ohms: For MC cartridges, match to cartridge recommendation. |
| የግቤት አቅም (pF) | Sets the electrical capacitance presented to the cartridge. | 100pF/200pF/320pF/420pF: Primarily for MM cartridges. Match to cartridge recommendation, often combined with tonearm cable capacitance. |
ማስታወሻ፡- Always power off the Phono Box S2 and disconnect the power supply before changing DIP switch settings to avoid potential damage or unexpected behavior.
6. ኦፕሬሽን
Once all connections are made and DIP switches are set, operating the Phono Box S2 is straightforward.
- Press the power button on the front panel to turn on the Phono Box S2. The power LED will illuminate.
- የእርስዎን ያብሩት። amplifier/receiver and select the input to which the Phono Box S2 is connected.
- Start playing a record on your turntable. Adjust the volume on your ampወደሚፈልጉት የማዳመጥ ደረጃ ሊፊየር/ሪሲቨር።
- To turn off the unit, press the power button again. The power LED will extinguish.
ንዑስ-ሶኒክ ማጣሪያ
The subsonic filter button on the rear panel can be used to remove very low-frequency rumble that can be generated by warped records or turntable motor vibrations. This can improve sound clarity and prevent unnecessary strain on your amplifier and speakers. Press the button to toggle the filter on or off.
7. ጥገና
The Pro-Ject Phono Box S2 requires minimal maintenance.
- ማጽዳት፡ የክፍሉን ውጫዊ ክፍል ለማጽዳት ለስላሳ እና ደረቅ ጨርቅ ይጠቀሙ። ፈሳሽ ማጽጃዎችን ወይም መሟሟቶችን አይጠቀሙ፣ ምክንያቱም ጨርቁን ሊያበላሹ ይችላሉ።
- አቀማመጥ፡- Place the unit on a stable, level surface away from direct sunlight, heat sources, and excessive dust. Ensure adequate ventilation.
- ማከማቻ፡ ክፍሉን ረዘም ላለ ጊዜ ካስቀመጠው ከኃይል አቅርቦቱ ያላቅቁት እና በቀዝቃዛና ደረቅ ቦታ ያስቀምጡት.
8. መላ መፈለግ
If you encounter issues with your Phono Box S2, refer to the following common problems and solutions.
| ችግር | ሊሆን የሚችል ምክንያት | መፍትሄ |
|---|---|---|
| No sound or very low sound output. | Incorrect connections; Phono Box S2 not powered on; Amplifier input not selected; Incorrect gain setting. | Check all RCA and power connections. Ensure Phono Box S2 is powered on. Select the correct line-level input on your amplifier. Verify DIP switch gain settings match your cartridge. |
| Distorted or harsh sound. | ጋር ተገናኝቷል። amplifier's phono input; Incorrect gain setting (too high); Incorrect impedance/capacitance. | Connect Phono Box S2 to a line-level input (CD, Aux) on your amplifier. Adjust DIP switch gain to a lower setting. Verify impedance and capacitance settings match your cartridge. |
| የሚጮህ ወይም የሚጮህ ድምጽ። | Ground wire not connected; Ground loop; Nearby electrical interference. | Ensure turntable ground wire is securely connected to the Phono Box S2 ground terminal. Try connecting the Phono Box S2 and amplifier to the same power strip. Move the unit away from other electronic devices. |
| Sound is dull or lacking detail. | Incorrect impedance or capacitance setting. | Adjust DIP switch impedance and capacitance settings to better match your cartridge's specifications. |
If the problem persists after trying these solutions, please contact Pro-Ject customer support or your authorized dealer.
9. ዝርዝሮች
Technical specifications for the Pro-Ject Phono Box S2.
| ባህሪ | ዝርዝር |
|---|---|
| የሞዴል ቁጥር | PHBOXS2BLK |
| Input Impedance (MM) | 47 ኪ ኦም |
| Input Impedance (MC) | 10 / 100 / 1k / 2k Ohms (selectable) |
| Input Capacitance (MM) | 100 / 200 / 320 / 420 pF (selectable) |
| Gain (MM) | 40dB / 43dB (selectable) |
| Gain (MC) | 60dB / 63dB (selectable) |
| የምልክት-ወደ-ጫጫታ ሬሾ | 85dB (MM), 72dB (MC) (typical) |
| THD+N | 0.0005% (MM), 0.0008% (MC) (typical) |
| RIAA Equalization Accuracy | +/- 0.4dB (20Hz-20kHz) (typical) |
| የውጤት ቁtage | 0.5V @ 1kHz (at 5mV input) (typical) |
| የኃይል አቅርቦት | 18V / 500mA DC |
| የምርት ልኬቶች (L x W x H) | 4.65 x 4.06 x 1.42 ኢንች (11.8 x 10.3 x 3.6 ሴሜ) |
| ክብደት | 1.5 ፓውንድ (0.68 ኪ.ግ) |
| አምራች | ፕሮ-ጄክ ኦዲዮ ሲስተምስ |
| የመጀመሪያ ቀን ይገኛል። | ሴፕቴምበር 8፣ 2017 |
Note: Specifications are subject to change without notice. Typical values are provided where exact figures are not available.
10. ዋስትና እና ድጋፍ
Pro-Ject Audio Systems products are manufactured to the highest standards and undergo strict quality control. For warranty information and technical support, please refer to the warranty card included with your product or visit the official Pro-Ject Audio Systems webጣቢያ. ለዋስትና ጥያቄዎች የግዢ ደረሰኝዎን እንደ ግዢ ማረጋገጫ ያቆዩት።
For further assistance, you may also contact your authorized Pro-Ject dealer.