Weighing in at 25 kg  and producing 45 watts per channel the 452 is a heavyweight of the amplifier world. The 452 has nine valves, four line level inputs, a subwoofer output, all using high quality gold plated RCA connectors. The loudspeakers 4 or 8 ohms are connected via heavy duty binding posts that also support 4mm speaker plugs.

The 452 produces the most genuinely, beautiful smooth and warm sound, excellent tight bottom end, sparkling top end that balances wonderfully with the natural mid range

Specifications

Max Output Power: 45Wx2
Frequency Response: 20-20KHz (±1.0dB)
Distortion: ≤1%
Signal to Noise Ratio: ≥86dB
Input Sensitivity: 210mV
Input Impedance: 100KΩ
Output Impedance: 4Ω /8Ω
Size (LxWxH): 420mm x 265mm x 154mm
Weight: 23.0 Kgs / set
Tubes used: 6L6G x 4,12AX7 x 5