Technical specs: 

• Preamp: Tube (ECC 83)
• Power Amp: MPT (MARK PROPRIETARY TECHNOLOGY)
• Power:  500W@4ohm / 300W@8ohm

EQ:

• LOW: Level ±16 dB (Freq.  80 Hz)
• MF LOW: Level ±16 dB Semi-parametric  (Freq: from 100 Hz to 800 Hz)
• MF HIGH: Level ±16 dB Semi-parametric  (Freq: from 700 Hz to 6 KHz)
• HIGH: Level ±16 dB (Freq. 10 KHz)

• Controls:

GAIN - MASTER - BOOST (from 0 to +12 dB)

Others:

• LIMITER ON/OFF switch | 2-WAY switch (FLAT / OLD)
• MUTE and BOOST via optional DUAL footswitch
• BALANCED DI OUT with REAL transformer
• GOLD PLATED circuit
• SEND/ RETURN | TUNER OUT | PRE/POST EQ - GND switches
• Dimensions : 10.87”/ 27.6 cm (w); 3.27”/ 8.3 cm (h); 9.84”/ 25 cm(d)
• Weight: 5.51 lbs / 2.5 Kg