Tubaflex Twen

The Kirksaeter Tubaflex Twen is a loudspeaker model produced by Kirksaeter from 1965 to 1971 in Germany. This model is part of the Tubaflex series and was designed to deliver a high-quality audio experience with its 3-way design. The speaker cabinet offers a variety of finishes including walnut, teak, and rosewood. With dimensions of 290 x 540 x 260 mm (HxWxD) and a weight of approximately 14 kg, it features a compact yet solid construction. The speaker is classified as a bass reflex type, which enhances the low-frequency response. The driver configuration includes one woofer, one midrange driver, and two tweeters, allowing for broad frequency reproduction. The power handling capabilities reach up to 30 watts nominal and 70 watts music, with an efficiency rating allowing for a frequency response range from 18 Hz to 23,000 Hz (±3 dB). Transitional ranges are specified at 500 Hz and 5,000 Hz, with an impedance of 8 Ohms. A distinctive feature of the Tubaflex Twen is its control settings for midrange and tweeter adjustments, enabling users to fine-tune their listening experience according to personal preferences. The original pricing for this model was around 285 DM for the 2-way configuration and 398 DM for the 3-way configuration, reflecting its premium positioning in the audio market during its time.