Desired Cartridge Load Impedance (Ohms) | Desired Step-up Ratio | Phono preamp input impedance | Required parallel resistance, (Ohms) |
1600 | 5 | 47K | 374000 |
800 | 5 | 47K | 40200 |
400 | 5 | 47K | 15800 |
200 | 5 | 47K | 7870 |
100 | 5 | 47K | 4290 |
50 | 5 | 47K | 3010 |
400 | 10 | 47K | 374000 |
300 | 10 | 47K | 97600 |
200 | 10 | 47K | 40600 |
100 | 10 | 47K | 15800 |
60 | 10 | 47K | 9310 |
40 | 10 | 47K | 6650 |
100 | 20 | 47K | 374000 |
80 | 20 | 47K | 133000 |
60 | 20 | 47K | 62000 |
40 | 20 | 47K | 31600 |
20 | 20 | 47K | 14000 |
Desired Cartridge Load Impedance (Ohms) | Desired Step-up Ratio | Phono preamp input impedance | Required parallel resistance (Ohms) |
1600 | 5 | 47K | 309000 |
800 | 5 | 47K | 37400 |
400 | 5 | 47K | 14000 |
200 | 5 | 47K | 6570 |
100 | 5 | 47K | 3500 |
50 | 5 | 47K | 2100 |
400 | 10 | 47K | 309000 |
300 | 10 | 47K | 88700 |
200 | 10 | 47K | 37400 |
100 | 10 | 47K | 14000 |
60 | 10 | 47K | 7870 |
40 | 10 | 47K | 5360 |
100 | 20 | 47K | 309000 |
80 | 20 | 47K | 107000 |
60 | 20 | 47K | 52300 |
40 | 20 | 47K | 26100 |
20 | 20 | 47K | 10700 |
Desired Cartridge Load Impedance (Ohms) | Desired Step-up Ratio | Phono preamp input impedance | Required parallel resistance (Ohms) |
600 | 8 | 47K | 287000 |
450 | 8 | 47K | 88700 |
300 | 8 | 47K | 38300 |
200 | 8 | 47K | 21500 |
150 | 8 | 47K | 15400 |
75 | 8 | 47K | 7870 |
150 | 16 | 47K | 287000 |
125 | 16 | 47K | 121000 |
100 | 16 | 47K | 66500 |
80 | 16 | 47K | 43000 |
60 | 16 | 47K | 27400 |
40 | 16 | 47K | 16500 |
40 | 32 | 47K | 374000 |
30 | 32 | 47K | 133000 |
20 | 32 | 47K | 62000 |
10 | 32 | 47K | 31600 |
Desired Cartridge Load Impedance (Ohms) | Desired Step-up Ratio | Phono preamp input impedance | Required parallel resistance (Ohms) |
600 | 8 | 47K | 221000 |
400 | 8 | 47K | 60400 |
300 | 8 | 47K | 34000 |
200 | 8 | 47K | 18200 |
100 | 8 | 47K | 8060 |
80 | 8 | 47K | 6340 |
40 | 8 | 47K | 3240 |
20 | 8 | 47K | 1780 |
160 | 16 | 47K | 348000 |
140 | 16 | 47K | 165000 |
120 | 16 | 47K | 90900 |
100 | 16 | 47K | 60400 |
80 | 16 | 47K | 37400 |
60 | 16 | 47K | 24300 |
40 | 16 | 47K | 13700 |
20 | 16 | 47K | 6340 |
Desired Cartridge Load Impedance (Ohms) | Desired Step-up Ratio | Phono preamp input impedance | Required parallel resistance (Ohms) |
160 | 16 | 47K | 360000 |
140 | 16 | 47K | 162000 |
120 | 16 | 47K | 93100 |
100 | 16 | 47K | 59000 |
80 | 16 | 47K | 38300 |
60 | 16 | 47K | 24200 |
40 | 16 | 47K | 14100 |
20 | 16 | 47K | 6540 |
40 | 32 | 47K | 360000 |
35 | 32 | 47K | 162000 |
30 | 32 | 47K | 94100 |
25 | 32 | 47K | 59300 |
20 | 32 | 47K | 38300 |
15 | 32 | 47K | 24200 |
10 | 32 | 47K | 14100 |
5 | 32 | 47K | 64900 |
Desired Cartridge Load Impedance (Ohms) | Desired Step-up Ratio | Phono preamp input impedance | Required parallel resistance (Ohms) |
250 | 13 | 47K | 1430000 |
200 | 13 | 47K | 174000 |
150 | 13 | 47K | 73400 |
100 | 13 | 47K | 35700 |
75 | 13 | 47K | 24100 |
50 | 13 | 47K | 15600 |
60 | 26 | 47K | 649000 |
40 | 26 | 47K | 84500 |
30 | 26 | 47K | 47000 |
20 | 26 | 47K | 26100 |
Desired Cartridge Load Impedance (Ohms) | Desired Step-up Ratio | Phono preamp input impedance | Required parallel resistance (Ohms) |
445 | 3.1 | 47K | 5069 |
400 | 3.1 | 47K | 4509 |
371 | 3.1 | 47K | 4155 |
250 | 3.1 | 47K | 2728 |
150 | 3.1 | 47K | 1608 |
100 | 3.1 | 47K | 1066 |
80 | 3.1 | 47K | 853 |
50 | 3.1 | 47K | 537 |
445 | 6.2 | 47K | 29922 |
400 | 6.2 | 47K | 25283 |
371 | 6.2 | 47K | 22579 |
250 | 6.2 | 47K | 13183 |
150 | 6.2 | 47K | 7142 |
100 | 6.2 | 47K | 4554 |
80 | 6.2 | 47K | 3587 |
50 | 6.2 | 47K | 2202 |
Desired Cartridge Load Impedance (Ohms) | Desired Step-up Ratio | Phono preamp input impedance | Required parallel resistance (Ohms) |
445 | 3.2 | 47K | 4722 |
400 | 3.2 | 47K | 4204 |
371 | 3.2 | 47K | 3875 |
250 | 3.2 | 47K | 2548 |
150 | 3.2 | 47K | 1502 |
100 | 3.2 | 47K | 996 |
80 | 3.2 | 47K | 797 |
50 | 3.2 | 47K | 500 |
445 | 6.4 | 47K | 26994 |
400 | 6.4 | 47K | 22941 |
371 | 6.4 | 47K | 20557 |
250 | 6.4 | 47K | 12144 |
150 | 6.4 | 47K | 6625 |
100 | 6.4 | 47K | 4234 |
80 | 6.4 | 47K | 3337 |
50 | 6.4 | 47K | 2048 |