# LI-75A NF Corporation Preamplifier New

**Additional Features:**

-   Input terminal: Balanced
-   Input impedance: 100MΩ // 50pF
-   CMRR: 120dB (DC to 100 Hz)
-   Input referred noise: 2nV/√Hz (at 1 kHz)
-   Voltage gain: 40dB
-   Frequency response: DC to 1 MHz (DC), 0.2 Hz to 1 MHz (AC)
-   Maximum output voltage: ± 10V/2k ohm (DC to 200 kHz)
-   Power requirements: Provided by the Lock-in amplifier or PS-70A
-   Dimensions: (mm) 120(W) X 55(H) X 200(D)

The LI-75A is a preamplifier designed to increase measurement sensitivity when using the NF Lock-in Amplifiers.

## Details

- **Price:** 2000.0 USD
- **Vendor:** NF Corporation
- **Type:** Pre Amp
- **Tags:** Amplifier, Manufacturers, NF Corporation, Other Equipment, Preamplifier, product_manual_group_1, Product_new

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2000.00 USD | In stock |

## Images

- LI-75A NF Corporation Preamplifier New

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> Source: [ValueTronics](https://valuetronics.com/products/li-75a-nf-corporation-preamplifier-new)
> Updated: 2026-05-21