

| Primary Impedance | Ratio | Freq Resp -2dB, 4V, rp=Zp | Primary Inductance | Max DC Current (mA) | Max Output Voltage | Rp driver tube | Weight | Price per piece USD | |
| Interstage Transformer | |||||||||
| NC-20F II | 5k rp=1~10k | 1:1 | 15Hz - 100kHz Rp=5k, Ib=25mA | 75H Ib=25mA | 50 | 160Vrmx 10Hz | 1~10K | 2kg | $502 | 
| Input Transformer | |||||||||
| NN-606 | 600 (150 splilt) | 1+1:1+1 | 5Hz-60kHz (-1dB, Input 1V, 600:600 | 60H (1V, 50Hz) | 50 | 10V (20Hz, rp=Zp) | 790g | $279 | |