# 971XP California Instruments AC Source Used

**Features:**

-   AC Mains Input Voltage: 90 to 270 V AC
-   AC Mains Input Frequency: 48 Hz to 65 Hz
-   Power Output (0.7 Power Factor): 975 VA @ TA=25°C; 750 VA @ TA=55°C
-   Output Voltage Ranges: Standard: 0 to 135 V rms or 0 to 270 V rms; Optional: 0 to 67.5 V rms or 0 to 135 V rms
-   Load Regulation: ± 1%, 45 Hz to 5 k Hz; ± 5%, 5 kHz to 10 kHz, (Unity Power Factor)
-   Line Regulation: ± 0.1% of full output for a 10% line change
-   Full Power Frequency Range: Standard: 45 Hz to 5 kHz; Optional: 45 Hz to 10 kHz
-   Frequency response: ±0.5dB; 45 Hz to 5 kHz
-   Phase matching: ±1.5 degrees, 45 to 2 kHz
-   Efficiency: 55% at full power out at 135V at unity power factor
-   AC Noise Level: 70dB rms below full rms output with shorted input; 60dB below full peak-to-peak output with shorted input; 50dB below full peak-to-peak output at full rated power output
-   Overload/Short Circuit Overpower Protection
-   Overtemperature Protection
-   Amplifier Drive: 5 volts rms (typical) prduces full scale output

The California Instruments 971XP is a 975VA AC power source with a less than 60 dB maximum when mounted in equipment rack measured three feet from center, "A" weighted scale. The front panel meter monitors output voltage or load current with a resolution of 1V or 0.1A.

## Details

- **Price:** 0.0 USD
- **Vendor:** California Instruments
- **Type:** AC Sources
- **Tags:** AC Source, California Instruments, Manufacturers, Power Supplies & Loads, product_manual_group_2, Product_used

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 0.00 USD | In stock |

## Images

- 971XP California Instruments AC Source Used

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> Source: [ValueTronics](https://valuetronics.com/products/971xp-california-instruments-ac-source-used)
> Updated: 2026-05-21