Lowther PM7A Drive Unit
| DC Resistance of Voice Coil | Re | 7.4 ohms |
| Free Air Resonance | Fo | 45 Hz |
| Emission Piston Area | Sd | 0.021M² |
| Equivalent Volume Suspension | Vas | 55.907 Ltrs |
| Suspension Compliance | Cms | 892.762u M/N |
| Mass of Cone | Mmd | 11.0 g |
| Mass of Moving Parts | Mms | 12.75 g |
| Force Factor | Bl | 9.106 T-M |
| Mechanical Q Factor | Qms | 4.338 |
| Electrical Q Factor | Qes | 0.328 |
| Total Q Factor | Qts | 0.305 |
| Voice Coil Inductance @ 1 kHz | Le | 103.671 uH |
| Reference Efficiency | No | 1.729% |
| Sound Pressure Level | SPL | 94.397 Db |

Mundorf Silver Gold Wire 110
Chì hàn Mundorf M-solder Supreme
Chì hàn Mundorf M-solder Silver Gold
Tụ Jantzen Amber Z-Cap copper C&B 0.022uF 630V
Tụ Jantzen Superior Z-Cap 5.6uf /800V
Tụ Jantzen Silver Z-Cap 10uf / 800VDC
Cuộn cảm Jantzen Cross Coil 0.47mH/ 16AWG
VCAP CuTF 0.22uF / 600V
Tụ Jantzen Silver Z-Cap 5.6uf / 800VDC
RCA chassis Cardas GRFA -S
Tụ Jantzen Silver Z-Cap 8.2uf / 800VDC
Cọc loa Jantzen Ms 02
Điện trở Duelund CAST Silver/Graphite - 12R / 10W
Trở AMTRANS AMRG - 2W (chân vàng) - 2K
RCA chassis Cardas CTFA
Cardas Adaptor FRCA - FXLR
Tụ Jantzen Silver Z-Cap 6.8uf / 800VDC
Cardas Audio R-DIN
Cardas Audio CM - FXLR
Cardas Audio CG - FXLR
Tụ Jantzen Alumen Z-Cap 10uf / 100VDC
Mundorf MLytic HV 22uf/ 500V - Axial
Lowther EX2 


