---
type: product
schema_version: 1
stock_number: "84186-1"
canonical_url: "https://www.artisantg.com/84186-1/Weinschel-AS-4"
json_url: "https://www.artisantg.com/84186-1/Weinschel-AS-4.json"
generated_at: "2026-11-07T10:31:50.015Z"
last_updated: "2026-10-14T13:00:51.160-05:00"
---

# Spectrum Control / API Technologies / Weinschel AS-4 Precision Attenuator Set

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Weinschel
- Model: AS-4
- Condition: Used and in Excellent Condition
- Price: $350.00 USD
- Availability: In stock, 1 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 3 lb, estimated
- Shipping dimensions: 12X9X6 in, estimated

## Categories

- Test Equipment > Electrical Test > Attenuators (primary)

## Details

The Spectrum Control / API Technologies / Weinschel AS-4 is the older model of the Spectrum Control / API Technologies / Weinschel WAS4.

### Includes

- Spectrum Control / API Technologies / Weinschel 50-3 Attenuator
- Spectrum Control / API Technologies / Weinschel 50-6 Attenuator
- Spectrum Control / API Technologies / Weinschel 50-10 Attenuator
- Spectrum Control / API Technologies / Weinschel 50-20 Attenuator
- Spectrum Control / API Technologies / Weinschel 530A-3 Attenuator
- Spectrum Control / API Technologies / Weinschel 530A-6 Attenuator
- Spectrum Control / API Technologies / Weinschel 530A-10 Attenuator
- Spectrum Control / API Technologies / Weinschel 530A-20 Attenuator
- Storage Case

## Function

## Spectrum Control / API Technologies / Weinschel AS-4 Precision Attenuator Set (Comprehensive RF/Microwave Kit)

The Spectrum Control / API Technologies / Weinschel AS-4 Precision Attenuator Set is a comprehensive and high-quality collection of fixed coaxial attenuators, designed for demanding RF and microwave applications. This kit provides a versatile range of precisely calibrated attenuation values, making it an essential tool for test and measurement, system calibration, signal conditioning, and general laboratory use.

Weinschel, now part of API Technologies (under the Spectrum Control brand), is renowned for its industry-leading performance and reliability in RF and microwave components. This AS-4 set embodies that legacy, offering consistent and accurate attenuation across wide frequency ranges.

**Key Features & Benefits:**

*   **Precision Attenuation:** Each attenuator is engineered for high accuracy and flatness across its specified frequency range, ensuring minimal signal distortion.
*   **Comprehensive Range:** The set includes eight distinct attenuation values (3 dB, 6 dB, 10 dB, 20 dB) from two different series (50-series and 530A-series), providing flexibility for various signal leveling requirements.
*   **Robust Construction:** Built to withstand the rigors of laboratory and field use, these attenuators feature durable connectors and housings.
*   **Wide Frequency Coverage:** Weinschel attenuators are typically designed for broad frequency operation, often extending from DC into the GHz range (e.g., up to 18 GHz or higher for precision models), making them suitable for a vast array of applications.
*   **Low VSWR:** Designed to minimize reflections and maintain signal integrity within your system.
*   **Protective Storage Case:** A custom-fitted, durable storage case ensures the attenuators are organized, protected from damage, and easily transportable.

**Included in this AS-4 Set:**

*   **Spectrum Control / API Technologies / Weinschel 50-3 Attenuator:** 3 dB fixed attenuation
*   **Spectrum Control / API Technologies / Weinschel 50-6 Attenuator:** 6 dB fixed attenuation
*   **Spectrum Control / API Technologies / Weinschel 50-10 Attenuator:** 10 dB fixed attenuation
*   **Spectrum Control / API Technologies / Weinschel 50-20 Attenuator:** 20 dB fixed attenuation
    *(The Weinschel 50-series are generally known for their broad frequency response and reliable performance, often serving as high-precision workhorses.)*

*   **Spectrum Control / API Technologies / Weinschel 530A-3 Attenuator:** 3 dB fixed attenuation
*   **Spectrum Control / API Technologies / Weinschel 530A-6 Attenuator:** 6 dB fixed attenuation
*   **Spectrum Control / API Technologies / Weinschel 530A-10 Attenuator:** 10 dB fixed attenuation
*   **Spectrum Control / API Technologies / Weinschel 530A-20 Attenuator:** 20 dB fixed attenuation
    *(The Weinschel 530A-series attenuators often offer specific performance characteristics, sometimes optimized for particular frequency bands or power levels, complementing the general-purpose 50-series.)*

*   **Storage Case:** A sturdy, custom-molded case designed to securely hold and protect all eight attenuators, complete with a handle for easy transport.

**Ideal Applications:**

*   RF and Microwave Test and Measurement
*   System Calibration and Characterization
*   Signal Leveling and Amplitude Control
*   Reducing Power Levels to Protect Sensitive Equipment
*   Impedance Matching
*   Research and Development Laboratories
*   Telecommunications and Wireless Systems
*   Aerospace and Defense Applications

This Weinschel AS-4 set represents a valuable investment for any professional working with RF and microwave signals, providing a foundation of accurate and reliable attenuation tools for a wide array of demanding tasks. (Please note that specific technical specifications like exact frequency range, power handling, and connector types for individual models should be verified against their respective datasheets for precise application matching.)

## Images

- <https://www.artisantg.com/itemimages/spectrum_control_api_technologies_weinschel_as_4_view1_2026114103915.jpg>
- <https://www.artisantg.com/itemimages/spectrum_control_api_technologies_weinschel_as_4_view2_2026114103915.jpg>
- <https://www.artisantg.com/itemimages/spectrum_control_api_technologies_weinschel_as_4_view3_2026114103915.jpg>
- <https://www.artisantg.com/itemimages/spectrum_control_api_technologies_weinschel_as_4_view4_2026114103915.jpg>
