N/C 9b331af7-1e0d-4bba-a61a-d993d4b379e0
Vintage Classic Retro Phonograph Gramophone User Manual
Model: 9b331af7-1e0d-4bba-a61a-d993d4b379e0
Introduction
This user manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your N/C Vintage Classic Retro Phonograph Gramophone. Please read this manual thoroughly before using the product to ensure proper function and longevity.

Figure 1: The N/C Vintage Classic Retro Phonograph Gramophone, featuring a prominent copper horn, a wooden base, and a turntable for vinyl records. The control panel is visible on the front of the base.
Package Contents
Upon unpacking, please ensure all the following items are present:
- 1 x Phonograph Unit
- 1 x User Manual
- 1 x Audio Cable
- 1 x Power Adapter
- 1 x Remote Control
- 1 x Cleaning Cloth
Setup
- Unpacking: Carefully remove all components from the packaging. Retain packaging for future transport or storage.
- Placement: Place the phonograph on a stable, flat surface away from direct sunlight, heat sources, and excessive dust. Ensure adequate ventilation around the unit.
- Horn Assembly: Gently attach the copper horn to the designated mounting point on the phonograph unit. Ensure it is securely fastened but do not overtighten.
- Power Connection: Connect the power adapter to the DC input port on the phonograph. Plug the power adapter into a standard AC outlet (AC100V-240V).
- Initial Power On: Turn on the unit using the power button. The digital display should illuminate.
Operating Instructions
Vinyl Record Playback
- Select Speed: Choose the appropriate speed (33 or 45 RPM) using the speed selector switch, located near the turntable.
- Place Record: Carefully place a 7'', 10'', or 12'' vinyl record onto the turntable platter.
- Remove Stylus Protector: If present, remove the protective cover from the stylus (needle).
- Position Tonearm: Gently lift the tonearm using the cueing lever and position the stylus over the desired starting groove of the record.
- Lower Tonearm: Slowly lower the tonearm using the cueing lever. The stylus will make contact with the record, and playback will begin.
- Adjust Volume: Use the volume control knob on the unit or the remote control to adjust the audio output.
- End of Playback: At the end of the record, the tonearm may automatically return or require manual lifting. Gently lift the tonearm and return it to its rest.
Bluetooth Operation
- Activate Bluetooth Mode: Press the "Mode" button on the control panel until "Bluetooth" or "BT" is displayed. The unit will enter pairing mode, indicated by a flashing light or specific display message.
- Enable Bluetooth on Device: On your external device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Pairing: Select "N/C Phonograph" (or similar name) from the list of available devices. Once paired, a confirmation sound or steady light will indicate a successful connection.
- Playback: Begin playing audio on your connected device. The sound will be routed through the phonograph's speakers.
- Bluetooth Range: The effective Bluetooth receive distance is approximately 6 meters (20 feet).
USB Flash Drive Playback
- Insert USB Drive: Insert a USB flash drive into the USB port on the front panel.
- Select USB Mode: Press the "Mode" button until "USB" or "U" is displayed. The unit will automatically detect and begin playing compatible audio files from the drive.
- Control Playback: Use the playback controls (Play/Pause, Next/Previous Track) on the unit or remote control.
FM Radio Operation
- Select FM Mode: Press the "Mode" button until "FM" is displayed.
- Auto Scan: Press and hold the "Play/Pause" button (or a dedicated scan button if available) to initiate an automatic scan for FM stations. The unit will save found stations.
- Tune Stations: Use the "Next/Previous Track" buttons to cycle through saved stations or manually tune to a frequency.
Aux-in Connection
- Connect Audio Cable: Use the provided audio cable to connect an external audio source (e.g., MP3 player, CD player) to the "Aux-in" port on the phonograph.
- Select Aux Mode: Press the "Mode" button until "AUX" is displayed.
- Playback: Play audio from your connected external device. The sound will be played through the phonograph's speakers.
Maintenance
- Cleaning the Unit: Use the provided cleaning cloth or a soft, dry cloth to wipe the exterior of the phonograph. Avoid using abrasive cleaners or solvents.
- Stylus Care: Regularly inspect the stylus for dust and debris. Use a soft brush (not included) to gently clean the stylus from back to front. A worn or dirty stylus can damage records and degrade sound quality.
- Record Care: Keep records clean and free of dust. Store them vertically in their sleeves to prevent warping.
- Horn Cleaning: The copper horn can be wiped with a soft, damp cloth. Ensure it is dry before reattaching.
- Belt Maintenance: The turntable uses a belt-driven mechanism. If playback speed becomes inconsistent, the drive belt may need inspection or replacement. Refer to a qualified technician if issues persist.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power adapter not connected; outlet not working. | Ensure power adapter is securely connected and plugged into a working outlet. |
| No sound from speakers | Volume too low; incorrect mode selected; external device not playing. | Increase volume. Verify correct input mode (Vinyl, Bluetooth, USB, FM, Aux). Ensure external device is playing audio. |
| Turntable not spinning or spinning incorrectly | Speed setting incorrect; drive belt dislodged or worn. | Check speed selector (33/45 RPM). Inspect drive belt (professional service recommended if dislodged/worn). |
| Poor sound quality (vinyl) | Dirty or worn stylus; dirty record; improper tonearm tracking force. | Clean stylus and record. Ensure tonearm is properly balanced (if adjustable). |
| Bluetooth pairing issues | Device too far; unit not in pairing mode; interference. | Ensure device is within 6m range. Confirm phonograph is in Bluetooth pairing mode. Try restarting both devices. |
| USB drive not recognized | Incompatible file format; corrupted drive; drive not fully inserted. | Ensure USB drive is formatted correctly and contains compatible audio files. Reinsert the drive. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | 9b331af7-1e0d-4bba-a61a-d993d4b379e0 |
| Brand | N/C |
| Connectivity Technology | Wireless (Bluetooth 4.2), Wired (Aux-in, USB) |
| Supported Record Sizes | 7'', 10'', 12'' |
| Variable Speeds | 33 / 45 RPM |
| Power Input | AC100V-240V 1.2A |
| Power Output | DC15V 1.5A |
| Output Power | 10W (overall), L/R main channel: 20W * 2 |
| THD (Total Harmonic Distortion) | <1% |
| Output Frequency Response | 60Hz-20KHz |
| Bluetooth Version | 4.2 |
| Bluetooth Receive Distance | 6M (approx. 20 feet) |
| Material | Body - Wooden, Trumpet - Copper |
| Net Weight | 4.2 kg (9.26 lbs) |
| Gross Weight | 6.2 kg (13.67 lbs) |
| Dimensions (L x W x H) | 302mm x 354mm x 576mm (11.89'' x 13.94'' x 22.68'') |
Warranty and Support
For warranty information and technical support, please refer to the contact details provided with your purchase documentation or visit the official N/C product support website. Keep your purchase receipt as proof of purchase for warranty claims.
This product is designed for home use. Any unauthorized modifications or repairs may void the warranty.