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  3. FISHER 70AZ

FISHER 12AU7 Tube Amplifiers 70AZ 6L6 5881 5V4

12au7 70az Fisher 6l6 5881

( Brand: Fisher ), ( Model: 70AZ ), ( Type: Amplifier ), ( Country/region Of Manufacture: United States )

Review FISHER 6l6 5v4 Tube Amplifiers Pair

The 12AU7 Fisher 70az, 6L6, 5881, and 5V4 tube amplifiers are a delight for audiophiles seeking a vintage, warm, and authentic sound experience. These tubes are designed to deliver exceptional performance in various amplifier applications, including audio amplifiers, guitar amplifiers, and vacuum tube preamps.

The 12AU7 tube, also known as ECC82 or ECC83 in some regions, is a dual triode vacuum tube that excels in audio applications, providing a smooth and detailed sound with excellent midrange clarity and rich bass response. It's typically used in the preamplifier stage of a vacuum tube amplifier, where it adds a touch of warmth and richness to the overall sound.

Moving on to the 6L6 tube, often referred to as the workhorse of power amplifiers, it is a pentode vacuum tube that delivers robust and powerful sound. The 6L6 is capable of driving speakers with high efficiency, resulting in a full-bodied, dynamic, and expressive sound. It's commonly used in power amplifier stages, providing a strong and punchy sound.

The 5881 tube, also known as EL34, is another popular choice for power amplifiers. It delivers a rich, warm, and powerful sound with a good balance between bass, midrange, and high frequencies. The EL34 tube is often used in high-powered guitar amplifiers, providing a versatile tone that can range from clean and smooth to overdriven and gritty.

Lastly, the 5V4 tube, also known as the GZ34, is a pentode vacuum tube that is often used in high-power audio amplifiers. It delivers a robust and balanced sound with good bass response and a smooth upper midrange. The 5V4 tube is capable of handling high power levels, making it an excellent choice for high-performance audio systems.

In summary, the 12AU7, 6L6, 5881, and 5V4 tube amplifiers are a delight for music enthusiasts who appreciate the warmth, richness, and authenticity of vacuum tube technology. These tubes can deliver a wide range of sounds, from smooth and detailed to powerful and dynamic, making them versatile tools in the world of audio amplification.

Pros of buying 12AU7, Fisher 70, 6L6, 5881, and 5U4 tube amplifiers:

1. Authentic sound: Tube amplifiers provide a warm, rich, and authentic sound that digital amplifiers often struggle to replicate.

2. Vintage appeal: Tube amplifiers have a vintage look and feel that can add charm to any room.

3. Customizability: Tube amplifiers can be easily customized to fit specific preferences in terms of tone and sound.

4. Durability: Tube amplifiers are known for their durability and long-lasting performance.

5. Low distortion: Tube amplifiers produce low distortion even at high volumes, providing a clean and pure sound.

Cons of buying 12AU7, Fisher 70, 6L6, 5881, and 5U4 tube amplifiers:

1. Maintenance: Tube amplifiers require regular maintenance, including replacing tubes after a certain amount of use.

2. Cost: Tube amplifiers can be more expensive than digital amplifiers, both in terms of upfront cost and maintenance costs.

3. Size and weight: Tube amplifiers are larger and heavier than digital amplifiers, making them less portable.

4. Warm-up time: Tube amplifiers take time to warm up and reach optimal performance, which can be inconvenient.

5. Limited power: Tube amplifiers typically do not have as much power as digital amplifiers, which can limit their use in larger venues.

Conclusion:

While tube amplifiers have their drawbacks, such as maintenance requirements and higher cost, they offer a unique sound and vintage appeal that many music enthusiasts appreciate. If you are willing to put in the time and effort to maintain your tube amplifier, and you value the authentic sound and warm tone that tube amplifiers provide, they can be an excellent investment. However, if you are looking for a more convenient and cost-effective option, a digital amplifier may be more suitable for your needs.

Recommendation:

If you are interested in purchasing a tube amplifier, I recommend researching the different tube types and their specific characteristics to determine which one best fits your needs and preferences. It is also important to consider the specific features and specifications of the amplifier, such as power output, tone controls, and input and output options. Additionally, I recommend reading reviews and seeking recommendations from other musicians and audio enthusiasts to ensure that you are making an informed decision. Ultimately, the choice between a tube amplifier and a digital amplifier comes down to personal preference and budget.

Details:

Please refer to pictures. Please look through pictures and ask questions before buying. Tubes include: 2x 6l6 5881, 1x 12at7, 12AU7, and 5v4 per channel.

Tech restored works and sounds great. You're looking at a pair of Fisher 70AZ amplifiers.

No hum or any problems. These are vintage electronics there no guarantees.

part #: 70az prices

  • $35.00-$1499.00

specifications cassettevintagee:

  • brand: Fisher
  • model: 70az
  • type: Amplifier
  • country/region of manufacture: United States

General cassettevintagee:

  • consumer electronics > vintage electronics audio video consumer electronics > vintage cassette decks
  • in stock: Yes

Payments cassettevintagee:

  • PayPal

Shipping cassettevintagee:

  • type: Calculated
  • handling: 3 days

Returns cassettevintagee:

  • policy: returns accepted
  • paid by: Buyer
  • type: Money Back
  • time: 14 Days

Seller cassettevintagee:

  • zipcode: 11201
  • city: Brooklyn, New York

Ratings:

  1. Nice item. Good seller. 07-27-17
  2. Amazing Piece! Thank you! 07-11-17
  3. Great communication. A pleasure to do business with. 06-27-17
  4. I am very satisfietd with this equalizer. I love the old stuff. 06-30-17
  5. Good buyer, prompt payment, valued customer, highly recommended. 07-07-17

Offer cassettevintagee:

  • quantity: 1
  • bids: 0
  • Sold: 0
  • best offer: true
  • Started: July 28, 2017, 8:47 am
type: amplifier, country/region of manufacture: united states,
category: electronics > vintage electronics audio video consumer > vintage cassette decks, sku: 1402457149595222,
Review#1 Nice item. Good seller. ()
Review#2 Amazing Piece! Thank you! ()
Review#3 Great communication. A pleasure to do business with. ()
Review#4 I am very satisfietd with this equalizer. I love the old stuff. ()
Review#5 Good buyer, prompt payment, valued customer, highly recommended. ()
Fisher 70AZ Is Similar To:
  • (31.9% similar) Happy buying. This is a classic from company the Fisher. I bought in part because as you can see the under side nude it looks to have been serviced many of caps new ish so was hopeful wouldn't need a lot work. I do not know if it is in working condition. On the downside, top chassis has some ...(November 4th, 2018)
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  • (33.3% similar) Serviced, all tube sockets cleaned, lubed, caps tested for leakage, one needed replaced. All tubes test strong. This is a vintage tube amplifier. No bottom panel. 55 years old. Continental sale only. Runs and sounds great. No guarantees. Do not purchase this amplifier unless you understand. Tube ...(February 21st, 2017)
  • (40.7% similar) Unit can easily be reversed to install in a console if desired. All original except for the circuit mod stand alone operation. Have added a three-prong power cord to ground chassis, an illuminated switch as shown, and has been mounted on oak board prevent access the parts inside. Has been removed ...(March 19th, 2017)
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  • (32.1% similar) Included are 2x 5AW4 5U4 rectifiers, 6CL6, 3x 12AU7 Ting-sol, and 6L6GC outputs. Due of age: sold as found condition. This amplifier is perfectly working, it ready for years and of good music. They are an industrial version of the 6L6. I charge real price paid, I'm not in the business of making on ...(June 25th, 2018)
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  • (43.3% similar) Overall this is a nice unit. Very clean for age as I have done nothing but pull from console with absolutely zero cleaning left the bottom board on chassis attached to protect unit during shipping. I have not removed board but assume if did it would show a clean, spotless underneath. Has speaker ...(August 1st, 2017)
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5 offers $35.00–$1499.00 USD
  • Used. Offer #1 priced at $1499.00 + $54.05 shipping estimate = $1553.05* total. Fisher quality sound. These amplifiers are in great working condition.+$54.05 shipping
  • Like New. Offer #2 priced at $35.00 + $8.00 shipping estimate = $43.00* total. The Fisher brand is known for producing high-quality audio equipment, making these brochures a valuable piece of history for those interested in vintage audio technology. The product is a lot of sales brochures and order form for the 1955 Fisher Radio Model 50-AZ and 70-AZ tube audio amplifiers.+$8.00 shipping
  • Used. Offer #3 priced at $39.95 + $8.00 shipping estimate = $47.95* total. The minimum acceptable number for these tubes is 56 they tested at 72-72, 68-88, 98-98, 85-88, 91-99, & 99-100. 6 Nice used tubes, that test great.+$8.00 shipping
  • Used. Offer #4 priced at $39.95 + $8.00 shipping estimate = $47.95* total. The minimum acceptable number for these tubes is 56 they tested at 80-83, 85-77, 92-94, & 78-80. 4 used tubes that test great.+$8.00 shipping
  • Used. Offer #5 priced at $39.95 + $8.00 shipping estimate = $47.95* total. The minimum acceptable number for these tubes is 56 they tested at 91-98, 73-80, 70-70, 91-97.+$8.00 shipping

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