Midlandaudiox
Trade: Midland Audio X-Change
2010 version with KT120 valves fitted immaculate no box
110 watts per channel continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 0.3% at 110 watts, below 0.03% at 1 watt. Approximate actual power available at "clipping" 120 watts (1kHz).
Power bandwidth
Frequency response ( -3dB at 1 watt) 0.6Hz to 90kHz.
Input sensitivity 1.8V RMS BAL for rated output. (24dB Bal gain into 8 ohms.)
Input impedance 300K ohms Balanced.
Output taps 4, 8 and 16 ohms
Output regulation Approximately 0.7dB 16 ohm load to open circuit
Overall negative feedback
Damping factor Approximately 12
Distortion
Slew rate
Rise time
Hum & noise Less than 0.2mV RMS -106dB below rated output (IHF weighted, input shorted).
Power supply energy storage Approximately 520 joules.
Power requirements 105-125VAC 60Hz (210-250VAC 50 Hz) 630 watts at rated output, 800 watts maximum, 410 watts at "idle."
Tube complement (4 matched pairs) 6550C (Power output); (4) 6H30 (Gain stage and cathode follower)
Other Output polarity: Non-inverting. Balanced input pin 2+ (IEC-268).
Dimensions 19" (48.3 cm) W x 8.75"(22.2 cm) H x 19.5"(49.5 cm) D. Handles extend 1.5" (3.8 cm) forward.
Weight 67.4 lbs. (30.7 kg) Net; 83 lbs. (37.8 kg) Shipping.
Selling with 3 month warranty excluding valves £3000