| 7065 |
| Stanford Research | SR844 | Amplifiers - Lock-in | Lock-In Amplifier, Dual-Phase, 200 MHz |
| 7066 |
| Stanford Research | SR810 | Amplifiers - Lock-in | DSP Single Phase Lock-In Amplifier |
| 7067 |
| Stanford Research | SR830 | Amplifiers - Lock-in | DSP Dual Phase Lock-In Amplifier |
| 7068 |
| Stanford Research | SR560 | Amplifiers - Lock-in | Low Noise Voltage Preamplifier, 1 MHz |
| 7069 |
| Stanford Research | SR570 | Amplifiers - Lock-in | Low Noise Current Preamplifier, 1 MHz |
| 7070 |
| Stanford Research | SR2124 | Amplifiers - Lock-in | Dual Phase Analog Lock-in Amplifier |
| 7071 |
| Stanford Research | SR510 | Amplifiers - Lock-in | Single Phase Lock-In Amplifier, 0.5 Hz to 100 kHz |
| 7072 |
| Stanford Research | SR554 | Amplifiers - Lock-in | Transformer Preamplifier, 0.1 Hz to 40 kHz |
| 7073 |
| Stanford Research | SR555 | Amplifiers - Lock-in | Low Noise Current Preamplifier, 120 kHz |
| 7074 |
| Stanford Research | SR530 | Amplifiers - Lock-in | Dual Phase Lock-In Amplifier, 0.5 Hz to 100 kHz |
| 7075 |
| Stanford Research | SR556 | Amplifiers - Lock-in | Lock-In Current Preamplifier, 3 kHz (-3 dB) |
| 7076 |
| Stanford Research | SR860 | Amplifiers - Lock-in | DSP Lock-in Amplifier, 500 kHz |
| 7077 |
| Stanford Research | SR550 | Amplifiers - Lock-in | FET Lock-In Voltage Input Preamplifier |
| 7078 |
| Stanford Research | SR850 | Amplifiers - Lock-in | DSP Dual Phase Lock-In Amplifier, 100 kHz |
| 7079 |
| Stanford Research | SR445A | Amplifiers - Lock-in | Preamplifier, 350 MHz |
| 7080 |
| Stanford Research | SR865A | Amplifiers - Lock-in | DSP Lock-in Amplifier, 4 MHz |
| 7081 |
| Stanford Research | SR124 | Amplifiers - Lock-in | Single Phase Analog Lock-in Amplifier |
| 7082 |
| Stanford Research | SR551 | Amplifiers - Lock-in | Lock-In Voltage Preamplifier, >1 TO input impedance, Gain of ×10 |
| 7083 |
| Stanford Research | SR552 | Amplifiers - Lock-in | Lock-In Voltage Preamplifier, BJT Input, Single-ended and Differential Inputs |