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FlexBase25

To new heights…

FlexBase25 is a single box, stereo bass system, which transforms a two-way studio monitor into a fullrange, three-way system. The system comes with FlexAmp1200 with wide adjustment possibilities allowing to address the needs of a rapidly changing landscape of modern sound-making.

per system
Estimated retail price. Prices may vary due to local taxes, shipping, and other additional costs.

Unique highlights

Stereo to the lowest octave

Amphion’s introduced their first Base Extension system in 2015. The concept of keeping stereo information all the way down has become widely adopted since.

Seamless integration

Designed to work seamlessly with all monitor sizes. System can even be paired with a smaller model for an ultra-fast, easy to adjust small room full-range system.

Elevate your monitors

As the bass frequencies are transferred to the Base system, the midrange clarity and power-handling of the paired monitors are greatly enhanced.

Modern flexibility

Variable crossover frequency and bass level attenuator allow the system to match the specific needs of various sound engineering tasks.

Simple setup

Always placed on the center-line of the monitors. Fixed placement and wide adjustment possibilities lead into effortless performance in all rooms.

2-way, 3-way or Amphion way?

Simplicity of a 2-way monitor or the power handling of a 3-way design? The system can easily switch between both with a push of a button or foot switch.

“The sound field immediately became much wider, but without losing any of the tightness and transients I knew from the One15.”

Sacha Ketterlin – Berlin, Germany

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Specifications

FlexBase25

Operating principle

One way closed box, stereo

Drivers

2 x 25 cm / 10” aluminium

Crossover

Active 4th-order @ 35-260 Hz

Max SPL

117dB

Frequency response

20 Hz – 260 Hz +/-3dB (low pass)
35 Hz – 200 kHz +/-3dB (high pass)

Connection

3.5 m long, terminated with 4-pole Neutrik Speakon connectors

Weight

45 kg / 99 lb

Handmade in Finland

FlexAmp1200

Output power

1 % THD+N, 20 Hz – 20 kHz 700 W (4 Ω) per channel

THD+ noise

@ 10W: 0,0025% (100 Hz)
@ 100W: 0,0015% (100 Hz)

Dynamic range

127 dB (A) weighted

Efficiency

230 V / 50 Hz – 700 W
120 V / 60 Hz – 670 W
100 V / 50 Hz – 460 W

Mains

Universal mains including Power Factor Correction (100 – 240 V, 50 – 60 Hz)35 Hz – 200 kHz +/-3dB (high pass)

Stand-by mode

ErP (1275/2008/EC), Energy Star® v3.0 compliant

Measurements

483 x 88 x 260 mm

Weight

6 kg / 13 lb

Assembled in Finland

Which speaker to choose?

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Honesty in all sizes