THORDARSON 346-D Electric Amplifier Mfg. No. 344-E

( Brand: Thordarson ), ( Model: THORDARSON 346-D ), ( Publication Year: 1942 ), ( Type: Catalog ), ( Personalized: No ), ( Topic: Amplifiers ), ( Manufacturer Part Number: 346-D )

Review THORDARSON Electric Mfg. Amplifier Guide No.

Thordarson 346-D 1942 Electric Manufacturing Company Amplifier Model 344-E

The Thordarson 346-D amplifier, manufactured by the Electric Manufacturing Company in 1942, is a vintage audio component that showcases the engineering prowess of the era. This historical artifact is a Class A, fixed bias, vacuum tube amplifier designed for musical applications.

The Thordarson 346-D sports an impressive power output of 3 watts per channel into 8 ohms, making it a suitable choice for driving moderately sensitive speakers. It features two independently adjusted channels, each equipped with a triode vacuum tube, specifically a 6V6GT or 6L6GT, depending on the user's preference.

This amplifier boasts a warm, tube-driven sound, with a frequency response ranging from 20 Hz to 20 kHz. The input sensitivity is 1.5 millivolts, while the input impedance is a standard 15 kilohms. The output impedance is 8 ohms, ensuring efficient power transfer to the connected speakers.

The Thordarson 346-D's control panel is adorned with a set of user-friendly knobs and switches. Each channel is fitted with a volume control knob, allowing users to adjust the output level independently. Additionally, the amplifier comes with a master volume control, which regulates the overall output level.

The amplifier's design is both aesthetically pleasing and functional. It features a rugged steel chassis, which not only adds to its vintage charm but also ensures durability. The front panel is constructed from aluminum, providing a smooth texture that complements the amplifier's overall appearance.

The Thordarson 346-D comes with a set of protective features, including a power switch, a pilot lamp, and a pair of output indicator lights. The amplifier is also equipped with a bias control knob, allowing users to adjust the tube bias for optimal performance.

This vintage amplifier is not only a functional audio component but also a collector's item. It carries a rich history, having been manufactured during a time when vacuum tube technology was at its pinnacle. The Thordarson 346-D is a must-have for vintage audio enthusiasts and musicians who appreciate the unique sound and character of tube-driven amplifiers.

Pros and Cons of Buying Thordarson 346-D 1942 Electric Manufacturing Company Amplifier Model 344-E

1. Historical Significance

Pro: This amplifier holds historical value as a vintage piece from the golden age of tube audio technology.

Con: Its historical significance might not be a priority for those seeking modern features and performance.

2. Tube Technology

Pro: Tube technology delivers a unique, warm sound that analog enthusiasts cherish.

Con: Tube amplifiers require regular maintenance, and the Thordarson 346-D might be more prone to issues due to its age.

3. Power Output

Pro: With a power output of 15 watts per channel, it offers enough power for most home applications.

Con: For larger venues or professional applications, its power output might be insufficient.

4. Versatility

Pro: The Thordarson 346-D can be used with various types of speakers and instruments.

Con: Its lack of modern connectivity options (e.g., Bluetooth, USB, etc.) limits its versatility in a modern setting.

5. Build Quality

Pro: The solid construction and durable materials used in the Thordarson 346-D ensure long-lasting performance.

Con: Its heavyweight and large size might make it less portable than modern amplifiers.

6. Cost

Pro: Vintage amplifiers like the Thordarson 346-D can be found at relatively affordable prices compared to new equipment.

Con: The cost of regular maintenance and the potential need for repairs might add up over time.

7. Sound Quality

Pro: The Thordarson 346-D delivers a rich, warm, and dynamic sound that is hard to replicate with modern digital amplifiers.

Con: Some users might find the sound quality less precise or detailed compared to newer, more advanced amplifiers.

The Thordarson 346-D 1942 Electric Manufacturing Company Amplifier Model 344-E offers a unique blend of history, sound quality, and build quality. However, its age and lack of modern features limit its versatility and ease of use in a modern setting. Prospective buyers should consider their priorities and budget carefully before deciding to purchase this vintage amplifier.

If you're an audiophile looking for a vintage amplifier with a rich, warm sound and historical significance, the Thordarson 346-D might be an excellent addition to your collection. However, if you prioritize versatility, ease of use, and modern features, you might want to consider a more contemporary amplifier model.

Details:

11 X 81/2 1942 Thordarson amplifier guide. No missing, torn, folded or written on pages. No rust on staples. The item is in very good condition.

31 numbered pages. No discoloration or smell.

part #: 346 price

• $18.00

specifications catalogcrave:

• brand: Thordarson
• model#: THORDARSON 346-D
• publication year: 1942
• type: Catalog
• personalized: No
• topic: Amplifiers
• manufacturer part number: 346-D

general catalogcrave:

• Books Magazines > Catalogs
• condition: Very Good

offer catalogcrave:

• availability: In Stock
• options: Ship-to-home
• best offers: True
• sold: 0
• started: January 10, 2026
• quantity: 1

returns catalogcrave:

• policy: No Returns

shipping catalogcrave:

• carrier: USPS
• transit: 4-10 Days
• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• cost: $5.09

payments catalogcrave:

• wallet: Paypal
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• other

seller catalogcrave:

• city: Canton, Michigan
• rating: 100.0%
• # reviews: 185

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