UNSPECIFIED 703A Western Electric Crystal Unit 142.740

( Brand: Unspecified ), ( Manufacturer Part Number: 703A ), ( Country/region Of Manufacture: United States ), ( Passive Components: Crystals Oscillators )

Review UNSPECIFIED Western Electric Crystal Unit Mc Untested

The Western Electric Crystal Unit 703A is a rare and highly sought-after vintage telephony component. This unit, with the model number 142.740, is a testament to the superior craftsmanship and technological innovation of the bygone era of rotary telephones.

The Western Electric Crystal Unit 703A is a transducer that converts electrical signals into mechanical vibrations, and vice versa. It is a crucial component of rotary telephones, responsible for the dialing mechanism. The unit features a crystal diode, a piezoelectric material that generates an electrical charge when deformed, and a magnetic coil that creates a magnetic field. When the dial is rotated, the crystal diode vibrates, creating an electrical signal that is sent to the telephone exchange.

The 703A unit is made of high-quality materials, with a solid metal housing and a clear crystal cover. The crystal cover allows the user to see the dial numbers as they are dialed, a feature that was a novelty in its time. The unit is also known for its robustness and reliability, making it a staple in telephony equipment for many years.

The Western Electric Crystal Unit 703A is not just a functional component, but also a piece of historical and cultural significance. It represents a time when telecommunication technology was making significant strides, connecting people in ways that were previously unimaginable. Its unique design and retro charm make it a popular collector's item among telephony enthusiasts and vintage technology fans.

In conclusion, the Western Electric Crystal Unit 703A is more than just a telephony component. It is a piece of history, a testament to engineering excellence, and a collector's item that adds a touch of nostalgia to any vintage telephone set. Its rarity and the charm of its vintage design make it a must-have for any telephony enthusiast or vintage technology collector.

1. Authenticity: This is a vintage Western Electric Crystal Unit 703A, which adds a unique and historical touch to any audio setup.

2. Sound Quality: Crystal microphones like this one are known for their clear, pure sound. They are often used in professional recording studios for their detailed and accurate audio reproduction.

3. Rarity: The 703A is a rare and sought-after model. Owning one could be a collector's item and potentially increase in value over time.

4. Versatility: Crystal microphones can be used for a variety of applications, including live performances, recording, broadcasting, and even telephony.

1. Maintenance and Repair: Vintage equipment like this can be prone to issues and require regular maintenance and repair. Replacement parts may be hard to find or expensive.

2. Compatibility: The 703A uses a specific type of crystal cartridge, and finding compatible modern equipment can be challenging.

3. Cost: While the crystal microphone itself might be a good value, the cost of maintaining and repairing it over time could add up.

4. Lack of Modern Features: Compared to modern microphones, the 703A lacks features such as built-in preamps, adjustable gain, and XLR connectors.

The 142.740 Western Electric Crystal Unit 703A is an attractive investment for audiophiles and collectors looking for a unique and historically significant piece of audio equipment. Its clear and pure sound quality makes it a valuable addition to any recording or live performance setup. However, the potential for maintenance and repair costs, compatibility issues, and the lack of modern features are important considerations to keep in mind. If you are willing to invest in the ongoing maintenance and care of the microphone, it could be a worthwhile purchase for its sound quality and historical value.

Details:

Combined shipping is used whenever possible.

This item is posted and managed courtesy of bonanza. This item was acquired from an estate sale where the owner quite big into amateur radio gear.

specifications hamamateuradio:

• brand: Unspecified
• mpn: 703a
• country/region of manufacture: United States
• passive components: Crystals Oscillators

General hamamateuradio:

• in stock: Yes
• consumer electronics > radio communication electronics > ham amateur radio communication
• condition: Used

Seller hamamateuradio:

• zipcode: 37882
• city: Townsend, Tennessee

Payments hamamateuradio:

• PayPal

Returns hamamateuradio:

• time: 30 Days
• policy: returns accepted
• type: Money Back
• paid by: Buyer
• details: Restocking fee: No

Offer hamamateuradio:

• Started: April 20, 2018, 10:43 pm
• best offer: false
• Sold: 0
• bids: 0
• quantity: 1

Shipping hamamateuradio:

• cost: $3.5
• type: Calculated
• handling: 1 days

Ratings:

1. 5-star transaction, AAA, quick ship, recommended, thanks 04-18-18
2. The vintage Montgomery Airline IF transformer arrived OK. Thank you. 04-16-18
3. As Described, Fast Shipping, WellThanks!! 04-18-18
4. wonderful seller and you'll never find a better one 04-18-18
5. As advertised-Good Transaction Great Seller! 04-15-18

Unspecified 703A Is Similar To:

• 2390 Kc Cr-5b-u Unspecified John Meck Amateur Ham Radio Crystal One Kc Untested (61.3% similar) It is untested. These were acquired from an estate sale of avid ham radio buff. This offer is for one john Merck amateur ham radio crystal, CR-5B u, 2390 kc. Combined shipping is used whenever possible. This item is posted and managed courtesy of bonanza...(April 21st, 2018)