Bang & Olufsen – B&O – SN14 Power Supply

The Bang & Olufsen SN14 Power Supply is a precision laboratory power supply developed by the renowned Danish electronics manufacturer Bang & Olufsen.

Part of B&O’s classic range of professional electronic measuring and testing instruments, the SN14 was designed for use in service workshops, electronics laboratories, educational institutions, and industrial applications.

The SN14 provides a continuously adjustable DC output voltage from 0 to 20 volts, with an adjustable current limit from 0 to 2 amperes.

Featuring a classic analogue meter, precision voltage adjustment, and a robust construction, the SN14 reflects Bang & Olufsen’s commitment to engineering quality and reliable electronic equipment.

Its distinctive vintage appearance also makes it an attractive collector’s item for enthusiasts of historical Bang & Olufsen equipment.

Technical Specifications

• Manufacturer: Bang & Olufsen (B&O)
• Model: SN14
• Product Type: Regulated Laboratory DC Power Supply
• Country of Origin: Denmark
• Era: Vintage B&O laboratory equipment, documented in 1980
• Output Voltage: Continuously adjustable, 0–20 V DC
• Output Current: 0–2 A
• Current Limiting: Continuously adjustable, 0–2 A
• Output Impedance: Less than 3 mΩ
• Output Ripple: Approximately 0.15 mV at maximum load
• Voltage Adjustment: Precision multiturn potentiometer
• Input Voltage: 220 V AC ±10%, convertible to 110 V AC ±10%
• Display: Analogue meter for voltage and current monitoring
• Protection: Short-circuit and overload protection
• Configuration: Supports series and parallel operation

Features

The Bang & Olufsen SN14 offers several features designed for professional electronic testing.

Its continuously adjustable voltage and current controls allow precise power delivery for electronic circuits and components.

The integrated analogue meter provides convenient monitoring of output voltage and current, while the built-in current limiting helps protect connected equipment.

The SN14 can also be connected in series or parallel with other compatible units, providing additional flexibility for laboratory applications.

Historical Significance

Bang & Olufsen is internationally recognized for its premium audio equipment, but the company also manufactured professional electronic measuring instruments.

The SN14 represents this lesser-known chapter of B&O’s engineering history.

Today, these vintage laboratory instruments are appreciated by collectors, electronics enthusiasts, and those interested in Danish industrial design.

Collector’s Item

The Bang & Olufsen SN14 is an interesting addition to any collection of vintage B&O equipment.

Combining professional laboratory functionality with classic Danish engineering, the SN14 represents an important part of Bang & Olufsen’s technical heritage.