Sine wave generator with power output up to 16 W in a frequency range from 1 Hz to 100 kHz. The apparatus contains a preamplifier, which can be used in isolation (e.g. as a microphone amplifier) or with a power output stage connected downstream as a broadband amplifier (0 up to 100 kHz). Sine wave generator with power output: Frequency range: 1 Hz - 100 kHz, in 5 decadic stages, scale with linear division Frequency deviation: <5 % Output voltage: 0 - 6 V, adjustable Max. output current: 10 A, short circuit proof Max. output power: 16 W constant, 30 W temporary Input impedance: 100 k? Preamplifier: Gain factor: 1 - 300, continuously adjustable Input: AC coupled, with switchable microphone voltage Max. output voltage: 10 Vpp Max. output current: 15 mA, short circuit proof Output impedance: 1 k? Power amplifier: Voltage gain: 8.5 Operating voltage: 12 V AC Dimensions: approx. 160x160x50 mm3 Weight: approx. 1.1 kg