ELECTRO-HARMONIX 7591AEH Quad Tubes

( Brand: Electro-harmonix ), ( Manufacturer Part Number: 7591AEH ), ( Modified Item: No ), ( Country/region Of Manufacture: Russian Federation ), ( Type: Nos Tube )

Review ELECTRO HARMONIX Quad Tubes

The 7591AEH Electro-Harmonix Quad Tubes is a remarkable vacuum tube preamp and power amp hybrid stompbox, designed to inject warmth, richness, and dynamics into your guitar tone. This innovative device is equipped with four 12AX7 tubes, offering an authentic tube sound that sets it apart from digital processors.

The Electro-Harmonix Quad Tubes boasts a versatile preamp section that allows you to shape your tone with controls for Gain, Tone, and Level. The Gain knob adjusts the preamp's gain stage, providing everything from subtle overdrive to full-on distortion. The Tone control shapes the highs and lows of your signal, allowing you to fine-tune your tone to match your playing style or the character of your guitar. Lastly, the Level knob adjusts the output level of the preamp, ensuring optimal signal strength to the power amp stage.

The power amp section of the 7591AEH Electro-Harmonix Quad Tubes is equally impressive, providing up to 60 watts of output power. This allows you to push your amp harder, creating a more dynamic and expressive tone. The power amp section also includes a switchable boost circuit, giving you an extra push when needed.

The Electro-Harmonix Quad Tubes features a true bypass switching system, ensuring that your tone remains unaltered when the effect is not engaged. The compact and rugged metal housing is designed to withstand the rigors of live performances, while the bright LED indicators make it easy to see your settings in low light conditions.

In summary, the 7591AEH Electro-Harmonix Quad Tubes is a versatile and powerful tube preamp and power amp hybrid stompbox that adds warmth, richness, and dynamics to your guitar tone. Its four 12AX7 tubes, versatile preamp and power amp sections, and true bypass switching make it a must-have for any serious guitarist.

The Electro-Harmonix 7591AEH Quad Tube Preamp is a popular choice among guitarists looking for a tube preamp that can add warmth and character to their sound. Here are some pros and cons to consider before making a purchase:

1. Tube Technology: The 7591AEH uses four 12AX7 tubes to provide a rich, warm, and natural tone. Tube amplifiers are known for their ability to create a unique sound that digital amplifiers cannot replicate.

2. Versatility: The preamp has a wide range of tonal options, including a high-gain mode for heavy rock and metal tones, and a clean mode for more traditional sounds.

3. Build Quality: The 7591AEH is built with high-quality components, including gold-plated jacks and a rugged metal chassis. This ensures that the preamp can withstand regular use and will last for a long time.

4. Size and Portability: The 7591AEH is compact and lightweight, making it easy to carry around to gigs or studio sessions.

1. Price: The 7591AEH is more expensive than some other preamps on the market. This may be a barrier for some guitarists who are working with a limited budget.

2. Noise: Tube amplifiers can be prone to noise, especially when they are first turned on or when the gain is set high. This can be annoying for some guitarists who prefer a quieter sound.

3. Maintenance: Tube amplifiers require regular maintenance, including replacing the tubes every few years. This can be costly and time-consuming, and may be a deterrent for some guitarists who prefer a more low-maintenance option.

The Electro-Harmonix 7591AEH Quad Tube Preamp is a high-quality tube preamp that offers a rich, warm, and natural tone. Its versatility and build quality make it a great option for guitarists who want to add some tube warmth to their sound. However, its price and maintenance requirements may be a barrier for some guitarists. If you are willing to invest in a high-quality tube preamp and are willing to put in the time and money to maintain it, then the 7591AEH could be a great addition to your gear.

If you are looking for a high-quality tube preamp that offers a wide range of tonal options and can add warmth and character to your sound, then the Electro-Harmonix 7591AEH Quad Tube Preamp is worth considering. However, if you are working with a limited budget or prefer a more low-maintenance option, then you may want to explore other preamps that are more affordable and easier to maintain. Ultimately, the best preamp for you will depend on your specific needs and preferences as a guitarist.

Details:

All four have a sticker with the number 65. USN sales only. I purchased these as a matched quad number of years ago. Here is a quad of Electro Harmonix 7591AEH.

I tested these with a Hickok 533a tester, unmodified. All four test uniformly and are marked with a 1202 production code. Made in russia.

part #: 7591aeh price

• $63.95

specifications tubesocketvintagego:

• brand: Electro-harmonix
• mpn: 7591aeh
• modified item: No
• country/region of manufacture: Russian Federation
• type: Nos Tube

Offer tubesocketvintagego:

• bids: 0
• Started: August 13, 2018, 1:57 pm
• best offer: false
• quantity: 1
• Sold: 0

Payments tubesocketvintagego:

• PayPal

Returns tubesocketvintagego:

• policy: returns accepted
• time: 30 Days
• paid by: Buyer
• type: Money Back

General tubesocketvintagego:

• consumer Electronics > vintage Electronics > vintage audio video parts accessories consumer Electronics > vintage tubestubes sockets audio
• in stock: Yes

Shipping tubesocketvintagego:

• type: Calculated
• cost: $0.0
• handling: 2 days

Ratings:

1. Thank you for your purchase! I hope you enjoy it. 08-04-18
2. Thank you for an easy, pleasant transaction. Excellent buyer.. 08-12-18
3. Many thanks 08-04-18
4. Good buyer, prompt payment, valued customer, highly recommended. Thrift.Books 08-08-18
5. Your item has shipped. Thanks for a smooth transaction. AAAAA 08-10-18

Seller tubesocketvintagego:

• zipcode: 34287
• city: North Port, Florida

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