2 tubes Mullard SQ 6922 / E88CC genuine UK Mitcham matched pair grey plate

2 tubes Mullard SQ 6922 / E88CC genuine UK Mitcham matched pair grey plate
2 tubes Mullard SQ 6922 / E88CC genuine UK Mitcham matched pair grey plate
2 tubes Mullard SQ 6922 / E88CC genuine UK Mitcham matched pair grey plate
2 tubes Mullard SQ 6922 / E88CC genuine UK Mitcham matched pair grey plate
2 tubes Mullard SQ 6922 / E88CC genuine UK Mitcham matched pair grey plate

2 tubes Mullard SQ 6922 / E88CC genuine UK Mitcham matched pair grey plate

Tubes are Philips Miniwatt SQ labeled. 2 x E88CC 6922 Mullard UK tubes.

Acid code: 7L1 R6B1 + R6C3. Tested with RoeTestV11 for all significant parameters like gas - vacuum - shorts. Please refer to the philips data sheet for the assessment.

Tube test S / gm: 13,5 + 14,0 and 14,2 + 14,0mA/V. Very high emission tubes for a long working use.
2 tubes Mullard SQ 6922 / E88CC genuine UK Mitcham matched pair grey plate