Here are some design features:
50watt Class AB design
Input sensitivity switchable for 1.2 volts to 3 volts
Very short signal path
Exceptional power supply
Solid state design
High quality film capacitors
Precision matched parts
High quality custom transformer
High quality gold RCA input connectors
WBT speaker binding posts
CNC machined chassis
Hand assembled in England
All parts supplied by English companies
Specification
Input:- 2 x RCA (1 x AC connected, 1 x DC connected)
Input Impedance:- 1.2v = 62K ohms, 3v = 66K ohms
Input Sensitivity:- 1.2volts RMS & 3volts RMS (Switchable on rear panel)
Output: Connections:- 2 x 4mm binding posts
Output Impedance:- 0.07 ohms
Damping factor @ 8 ohms is 114 @ 16 ohms is 228
Output Power:- 50 watts into 8 ohms
Frequency Response (8 ohm load):- 20Hz – 65KHz (-3dB)
Power Consumption (230v):- Idle – 8watts
Power Consumption (230v):- Full power – 90watts
Recommended sensitivity setting (< 94dB loudspeakers):- 1.2 volt setting
Recommended sensitivity setting (> 95dB loudspeakers):- 3.0 volt setting