A 6SL7GT valve tested on an AVO VCM Mk3 with good results, see below. RCA 6SL7GT. Valve: 6SL7GT. Type: double triode. 2 2.10mA 2.0mA/V.
Ferranti 6SL7GT VT-229 Valve, Tube, AVO tested very good
Pair 6SL7GT VT-229 Valve, Tube, possibly Ken-Rad , AVO tested very good
ASUS Xonar Essence STX PCIe Internal Sound Card RCA SPDIF Headphone Amp
RCA 7025 Long Plate D Getter Pair Preamp Tubes
Silvertone by RCA 6V6G pair valves
DIY Kit Audio Switch Board RCA 3.5mm Audio Input Block Stable for Amplifier
