Yamamoto Sound Craft : Vacuum tube phone equalizer amplifier EQB-01
Yamamoto Sound Craft : Vacuum tube phone equalizer amplifier EQB-01
The stand-alone EQB 01 tube phono equalizer and preamplifier uses 4 x 6AK5W Telefunkens for an output of 25V. The frequency response is 30Hz - 150kHz (+-0.5db) with selectable cartridge loading of 47k/1k/100 ohms. Output impedance is 4.8 kohm with an amplification factor of 54dB/1kHz. The chassis measures 420mm W x 290mm D x 94mm H and weighs 6.3 kg. A high output moving coil cartridge can be coupled directly to the EQB 01 while a low output MC requires the insertion of a Yamamoto SUT-1 step-up transformer
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