
604-8K Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $2000.00 | Condition is Used, Urei 811A studio monitors Speakers, shipping cost = $ | 0.0% |

The Urei 604-8K 811A Altec studio monitors are a professional-grade, high-fidelity solution for audio production and recording applications. These monitors are an updated version of the classic Altec 811A design, which has been a long-standing favorite amongst audio engineers and musicians for its accurate and detailed sound reproduction.
The Urei 604-8K 811A Altec studio monitors feature a bi-amplified design, with separate amplifiers for the woofer and tweeter. Each monitor includes a 8-inch long-throw woofer, capable of delivering powerful and clear bass response, and a 1-inch dome tweeter, which provides precise and detailed high-frequency reproduction. The bi-amplification design ensures that each driver receives the appropriate power and current, leading to superior sound quality and accuracy.
The monitors also include a built-in 60W peak power amplifier for the woofer, and a separate 30W peak power amplifier for the tweeter. This amplification configuration provides ample power to deliver the dynamic range and headroom needed for professional recording and mixing applications.
The Urei 604-8K 811A Altec studio monitors are designed to provide accurate and neutral frequency response, making them an ideal choice for critical listening and mixing sessions. The monitors have been aligned to a flat response curve, ensuring that the sound you hear is as close to the original recording as possible. Additionally, the monitors include adjustable bass and treble controls, allowing you to fine-tune the sound to your specific listening environment.
The monitors have a sleek and modern design, with a black wood grain finish and a compact size that makes them suitable for use in a variety of studio environments. The front-firing bass port design ensures that they can be placed against a wall without compromising the sound quality.
The Urei 604-8K 811A Altec studio monitors are a versatile and high-performance solution for anyone in need of accurate and detailed sound reproduction for their recording or mixing projects. With their bi-amplified design, flat frequency response, and adjustable bass and treble controls, these monitors offer a level of sound quality and accuracy that is unmatched in their price range.
Urei 604-8K Altec 811A Aligned Studio Monitors: Pros and Cons
The Urei 604-8K Altec 811A aligned studio monitors are a popular choice among audio professionals due to their high-quality sound and durable design. In this analysis, we will discuss the key advantages and disadvantages of these monitors to help you make an informed purchasing decision.
Pros:1. High-Quality Sound: These monitors are known for their accurate and transparent sound. The Altec 811A drivers provide a wide frequency response, flat frequency response, and excellent transient response, making them ideal for mixing and mastering in a professional recording studio environment.
2. Durable Design: The Urei 604-8K monitors feature a rugged and robust design, with a solid wood cabinet and heavy-duty metal grilles. This makes them suitable for use in demanding studio environments where they may be subjected to heavy use and rough handling.
3. Aligned Driver Technology: The monitors use Altec's aligned driver technology, which ensures that the drivers are angled and positioned correctly to provide accurate and consistent sound across the entire listening area. This is particularly important for studio use, where accurate monitoring is essential for producing high-quality recordings.
4. Versatile Inputs: The Urei 604-8K monitors offer a range of input options, including XLR, TRS, and RCA, making them compatible with a wide range of audio sources.
5. Adjustable Bass and Treble Controls: The monitors feature adjustable bass and treble controls, allowing users to fine-tune the sound to their preferences and to compensate for room acoustics.
Cons:1. Expensive: The Urei 604-8K Altec 811A aligned studio monitors are not an inexpensive option. They are priced at the higher end of the market, making them a significant investment for many users.
2. Large and Heavy: These monitors are not small or lightweight, and they require a significant amount of space and power to operate. This may make them less suitable for use in smaller studios or home recording setups.
3. Limited Frequency Response: While the monitors offer a wide frequency response, they may not be suitable for producing extremely low or high frequencies, such as those found in electronic dance music or other genres that require extensive sub-bass or extreme treble.
4. No Headphone Output: The monitors do not have a built-in headphone output, which may be a drawback for users who prefer to mix or edit using headphones.
Conclusion:The Urei 604-8K Altec 811A aligned studio monitors are a high-quality and durable option for professional recording studio use. They offer accurate and transparent sound, a rugged design, and a range of input options. However, they are expensive, large and heavy, and may not be suitable for producing extremely low or high frequencies or for use in smaller studios or home recording setups.
Recommendation:If you are looking for a high-quality and accurate studio monitor for professional use, the Urei 604-8K Altec 811A aligned monitors are an excellent choice. However, they come with a significant price tag and may not be suitable for all budgets or studio environments. If you are on a tighter budget or have limited space, you may want to consider alternative options, such as the Presonus Eris E3.5-3.5 or the Yamaha HS5. These monitors offer similar features and performance at a more affordable price point. Ultimately, the best choice for you will depend on your specific needs, budget, and studio environment.
Details:
Original cones 349991-007 and oem diaphragms, tangerine phase plugs gaps in excellent condition. Urei 829 crossovers s/NS 155 168 with original capacitors, correct bulbs fuses. Urei 811A time aligned studio monitor pair with consecutive s/NS 456a 457a in excellent condition. Cabinets are in excellent condition and finished black satin enamel.
Urei 801aa altec 604-8K drivers with consecutive s/NS 1666 1667, 2-23-81. I am available to discuss any / all details directly.
specifications vintaspeaker:
- brand: Urei
- mpn: 604-8k
- model: 811a / Altec 604-8k
- part type: Monitor
- country/region of manufacture: United States
- unit quantity: Pair
seller vintaspeaker:
- city: new canaan, connecticut
- # reviews: 313
- rating: 100.0%
returns vintaspeaker:
- policy: no returns
offer vintaspeaker:
- options: seller-arranged-local-pickup
- started: february 17, 2025
- best offers: true
- sold #: 20
- availability: in stock
- in stock #: 1
- price: $2000.00
- item condition: Used
shipping vintaspeaker:
payments vintaspeaker:
- other
- cash
- wallet: google-pay
- credit card: visa
general vintaspeaker:
- category: Electronics > Audio Video > Vintage Speakers
