WWII U.S. Army Signal Corps Microphone Amplifier BC-216-A – Ballantine Laboratories

Offered here is an original World War II U.S. Army Signal Corps Microphone Amplifier BC-216-A, manufactured by Ballantine Laboratories, Inc., Boonton, New Jersey.

This unit was designed for use in military communications systems, providing amplification and modulation control for microphone input in field and equipment applications.

🔍 Details:

• Model: BC-216-A
• Type: Microphone Amplifier
• Manufacturer: Ballantine Laboratories, Inc.
• Branch: U.S. Army Signal Corps
• Date: 1940 (as marked on plate)
• Marked connectors: PL-56 and PL-76
• Features front dial for modulation adjustment

📦 Condition:

• Untested
• Original housing and mounting plate present
• Connectors and controls appear intact
• Shows cosmetic wear and aging consistent with military use
• Stored dry

Being sold as:

• Collector piece
• Restoration project
• Or for parts/use by a knowledgeable technician

📡 Historical Use:

Microphone amplifiers like the BC-216-A were used in:

• Military communications systems
• Field radio setups
• Signal Corps audio transmission equipment
• Early voice modulation and amplification systems

💡 Collector Appeal:

• Early WWII-dated Signal Corps equipment
• Ballantine Laboratories (well-known instrumentation maker)
• Compact and displayable unit
• Great addition to communications or radio collections

🚚 Shipping & Terms:

• Ships securely packed
• Local pickup available at Whiskey Rebellion Antiques – Bedford, PA
• We combine shipping when possible

FREE SHIPPING!