| Electrical specifications (initial value)
 | P65C Series | 
              
                | Products | *P65C*-G-* | 
              
                | Attenuation [Load: High] 
 BTS-65dB
 
 
 
 
 
 | CCW (Large attenuation & cut off) - CW (Small
                  attenuation) 
                    
                      | Position [degrees] | 320 (CCW) | 312 | 304 | 296 | 288 | 280 | 272 | 264 | 256 | 248 | 240 | 232 | 224 | 216 | 208 | 200 | 192 | 184 |  
                      | Attenuation [dB] | Cut-off | 65 | 58 | 53 | 48.5 | 45 | 42 | 39.5 | 37.5 | 35.5 | 33.5 | 31.5 | 30 | 28.5 | 27 | 25.5 | 24 | 23 |  
 
                    
                      | Position [degrees] | 176 | 168 | 160 | 152 | 144 | 136 | 128 | 120 | 112 | 104 | 96 | 88 | 80 | 72 | 64 | 56 | 48 | 40 | 32 | 24 | 16 | 8 | 0 (CW)
 |  
                      | Attenuation [dB] | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |  | 
              
                | Circuit method | Potentiometer circuit | 
              
                | Total resistance (1-C) | 1kohm, 10kohm, 50kohm, 100kohm, 250kohm | 
              
                | Total resistance tolerance | ±5% | 
              
                | Attenuation  accuracy [Load: High]
 | ±0.3dB | 
              
                | Max attenuation [Load: High] | 65dB ±1.0dB | 
              
                | Cut off [15kHz] | 80dB Min. | 
              
                | Matching accuracy [Load: High]
 | 0.5dB or less (0dB to 65dB) | 
              
                | Insertion loss | 0.3dB or less | 
              
                | Frequency range (DC to Max) 
 | 
                    
                      | Total resistance | 1kohm | 10kohm, 50kohm | 100kohm | 250kohm |  
                      | Max | 100kHz | 50kHz | 20kHz | 15kHz |  | 
              
                | Voltage proof | 1 Min. at AC500V | 
              
                | Insulation resistance | 100Mohm or more at DC500V | 
              
                | Input level | Max. 0.3W | 
              
                | Rotational life | 30,000 Cycles Min. (18cycles/min, Insertion loss: 1dB or
                  less) |