Technics - SP-25 重型石英合成器直驱电机单元 转盘 - 多种型号

A beautifully preserved **Technics SP-25 Quartz Direct Drive Turntable**, a remarkable example of Japanese precision audio engineering, introduced in 1979.

Designed for demanding hi-fi enthusiasts, the SP-25 combines quartz-controlled direct-drive technology with a high-torque motor, precision speed adjustment and electronic braking.

Its elegant silver finish, substantial aluminium platter and classic industrial design make it an attractive addition to a vintage audio collection or a custom high-fidelity turntable system.

**Condition**

This example is in very good vintage cosmetic condition.

The silver exterior and turntable platter present beautifully, with only minor signs of age and previous use, such as small scratches, slight dullness or surface wear.

Please carefully examine the photographs, as they form an important part of the description.

**Professional Servicing & Functionality**

The unit has undergone maintenance, adjustment and operational testing by a specialist vintage audio dealer in Japan.

The following work was performed:

- Inspection and measurement of electronic components
- Lubrication of the spindle
- Cleaning of electrical contacts
- Adjustment and inspection of relevant mechanisms
- Extended operational testing for approximately half a day to one day

**All reported operational checks were successful:**

- Normal platter rotation
- 33⅓ and 45 RPM speed selection
- Pitch control operation
- Stroboscope illumination
- Stop function and electronic braking
- Immediate stopping of the platter from either operating speed, as reported by the dealer

The seller reports no problems with the functions tested.

**Technical Highlights**

- Manufacturer: Technics
- Model: SP-25
- Country of manufacture: Japan
- Introduced: 1979
- Type: Quartz synthesizer direct-drive turntable motor unit
- Drive system: Direct Drive
- Motor: Brushless DC motor
- Speed control: Quartz phase-locked control
- Speeds: 33⅓ and 45 RPM
- Pitch adjustment: ±6%
- Platter: 33.9 cm aluminium die-cast
- Electronic braking system
- Power supply: AC 100V, 50/60Hz
- Power consumption: 10W
- Approximate unit weight: 4.8 kg

**Included Accessories**

- Original Technics rubber platter mat
- Four cabinet mounting screws
- Ground wire (already attached)
- Photocopied SL-1025 instruction manual, supplied as a reference

Only the items shown in the photographs and listed above are included.

**Important Information**

This listing is for the SP-25 turntable motor unit. A tonearm, cartridge and separate plinth are not included.

This is a Japanese-market 100V model. Buyers in countries using 220–240V mains electricity will require a suitable step-down transformer. Do not connect the unit directly to a 220–240V outlet.

Although the unit has been serviced and tested, it remains vintage electronic equipment and should be handled accordingly.

**A Classic of Japanese Audio Engineering**

The Technics SP-25 represents an era when Japanese manufacturers were pushing the boundaries of turntable precision and mechanical engineering.

With its quartz-controlled direct-drive system, refined appearance and documented servicing, this example offers an appealing opportunity for collectors, restorers and vinyl enthusiasts seeking a classic Technics turntable motor unit.

A distinctive piece of Japanese hi-fi heritage, ready to become the centrepiece of a custom turntable project.

**Keywords:**

Technics, Panasonic, SP25, Turntable, Vintage, Audiophile, Hifi, Vinyl, Quartz, Directdrive, Analog, Stereo, Recordplayer, Precision, Motor, Platter, Aluminium, Pitch, Stroboscope, Serviced, Restored, Collectible, Japanese, Retro, Highfidelity, Phono, Audio, Electronics