This document describes a 10-watt amplifier circuit that uses a single-tube push-pull output stage with a dual-pentode phase splitter. The amplifier was tested and found to meet specifications for frequency response, power output, distortion, hum and noise, and sensitivity.
This document describes a 10-watt amplifier circuit that uses a single-tube push-pull output stage with a dual-pentode phase splitter. The amplifier was tested and found to meet specifications for frequency response, power output, distortion, hum and noise, and sensitivity.
This document describes a 10-watt amplifier circuit that uses a single-tube push-pull output stage with a dual-pentode phase splitter. The amplifier was tested and found to meet specifications for frequency response, power output, distortion, hum and noise, and sensitivity.
This document describes a 10-watt amplifier circuit that uses a single-tube push-pull output stage with a dual-pentode phase splitter. The amplifier was tested and found to meet specifications for frequency response, power output, distortion, hum and noise, and sensitivity.
10 -watt amplifier has a 1 -tube push -pull output stage ... uses a new dual -pentode
C2 R5 RS R3 RT"- R2 6AN8 A look er ri l'utentjonorter I16 tnounted on 1.1-ahap=d bracket. VOLTAGE AMPL PHASE SPLITTER
R6 -
BALANCE 20K 6DZ7 PWR AMPL 10 watts R3 220K 1. 39K Sensitivity: 350 my input for full output 1 R11 CI-a E IW R5 W R7 27K 40 I C3 OUTPUT TRANS 20- 20,000 cycles within db I
450V :05 3 T2 distortion below 1.5%
VI-a 6 I VI-b R9 50V 255)15_0V 160 RII41C5 I7-db feedback at 270K 15K 1120µf kc I
J R2 7 80 1 hum and noise 55 db below 10 watts
IOK RI C2 470K .1 9 R8 3 C4 RIO 270 K . 1250 IOW 00 Unit was tested for frequency response, power output, distortion, hum and noise, and sensitivity. All results verified R4 .05 R12 WW the author's statements and are 3300 47K 27K IW summarized above. Conclusions drawn from the tests are: "The BENCH RECTS I-4 Voss amplifier will give satisfac- 260V /200MA EACH 8H Circuit of the ampli. tory service as a ij -f amplifier in PWR TRANS 150MA fier. Note there are low- or medium -cost systems." TI ,I ro vn R/1450 142
