Base operation parameters:

• Output power: 2 x 50 W R.M.S.
• Transmission band: 4 Hz-70 kHz (RCA), 10 Hz – 75 kHz (XLR)
• Inputs: 3 or 4 in XLR version
• Operation class: pentode AB1 (below 10 W tubes works in A class)
• Used tubes: PL841 or PL84, EL84, 6P14P and 12AT7, 9AQ8.
• Input sensitivity: 350 mV
• THD unlinear distortions: <0,1% dla 1W, <1% dla 50W
• Signal to noise ratio: 86 dBA
• Input impedancy: 100 kohm (RCA), 4 kohm (XLR)
• Dumping factor: 10
• Maximal power consumption: 300 W
• Weight: 18 kg.
• Dimensions: 43 x 37 x 21 cm (Width/Depth/Height)

Base operation parameters:

• Output power: 2 x 120 W R.M.S. (version A), 2 x 105 W R.M.S. (version SE)
• Transmission band: 4 Hz-70 kHz
• Inputs: RCA (cinch)
• Operation class: tetrode AB1
• Used tubes: 6KG6, 12AT7, 12AU7
• Input sensitivity: 1,55 V
• THD unlinear distortions: <0,1% @ 1W, <1% @ 100W
• Signal to noise ratio: 90 dB
• Input impedancy: 100 kohm (RCA)
• Dumping factor:   10
• Maximal power consumption: 500 W
• Weight: 18 kg
• Dimensions: 46 x 39 x 21 cm (Width/Depth/Height)

Base operation parameters:

• Output power: 2 x 120 W R.M.S. (version A), 2 x 105 W R.M.S. (version SE)
• Transmission band : 4 Hz-65 kHz (RCA) 12 Hz-65 kHz (XLR)
• Inputs : 4 (included balanced XLR)
• Operation class : tetrode AB1
• Used tubes : 6KG6, 12AT7
• Input sensitivity : 400 mV
• THD unlinear distortions : <0,1% dla 1W, <1% dla 100W
• Signal to noise ratio: 86 dB
• Input impedancy : 100 kohm (RCA), 4 kohm (XLR)
• Dumping factor: 10
• Maximal power consumption : 500 W
• Weight : 22 kg
• Dimensions : 46 x 39 x 21 cm (Width/Depth/Height)