UNIVERSAL AUDIO 508-AV Equalizer Modules Stereo Eq

( Brand: Universal Audio ), ( Manufacturer Part Number: 508-AV ), ( Model: 508-AV EQ MODULE ), ( Type: Equalizer ), ( Analog/digital: Analog ), ( Effect/enhancement: Graphic Equalization ), ( Country Of Origin: United States )

Review UNIVERSAL AUDIO Equalizer Modules Matched Stereo Pair Eq Units

Introducing the 508-AV 1965 Stereo Equalizer Module by Audio 508, a vintage audio equipment that delivers a unique and authentic sound experience. This equalizer is a must-have for audio enthusiasts and professionals who seek that classic, warm tone reminiscent of the golden age of music recording.

The 508-AV 1965 Stereo Equalizer Module is a meticulously crafted piece of equipment, designed to provide precise control over the frequency spectrum of your audio signal. It features nine independently controlled bands, each with a rotary knob that allows you to boost or cut the specific frequency range from /-15dB. The frequency ranges for each band are as follows: 31 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, and 10 kHz.

The equalizer is housed in a rugged, aluminum chassis, providing both durability and a sleek, retro aesthetic. The front panel is equipped with clearly marked, easy-to-read knobs and a power switch, ensuring intuitive operation even in dimly lit studios.

The 508-AV 1965 Stereo Equalizer Module is a true stereo unit, with separate controls for each of the left and right channels. This makes it an excellent choice for stereo recording and mixing applications, allowing you to apply subtle or drastic adjustments to each channel independently.

The equalizer operates on a 115V AC power supply, and it features a high-quality, low-noise design. The signal path is entirely analog, preserving the natural sound quality of your audio signal and ensuring a true, unaltered response.

This vintage equalizer is not just a tool for audio manipulation, but a piece of music history that adds character and warmth to your recordings. With its rich heritage and timeless design, the 508-AV 1965 Stereo Equalizer Module by Audio 508 is an essential addition to any serious audio setup.

The 508-AV 1965 Stereo Equalizer modules by API (Automated Processes, Inc.) are highly regarded in the audio community due to their classic design and high-quality sound. Here are some pros and cons to consider before making a purchase:

1. Authentic Sound: These equalizers are known for their natural and musical sound. They provide a wide range of frequencies to shape and sculpt your audio.

2. Tactile Control: The knobs offer a smooth and precise feel, allowing for fine adjustments.

3. Rugged Construction: The 508-AV modules are built to last, with heavy-duty metal casing and robust internal components.

4. Versatile Application: These equalizers can be used in various applications, including mixing, mastering, and live sound.

5. Vintage Character: The vintage design not only adds to the aesthetic appeal but also imparts a unique sonic character to the audio.

1. Price: The 508-AV modules are relatively expensive compared to other equalizers in the market.

2. Size: Each module occupies a fair amount of space, which may not be ideal for smaller studio setups.

3. Power Consumption: These equalizers consume a considerable amount of power, which could lead to higher electricity bills.

4. Requires External Power Supply: The modules require an external power supply, which can add to the overall cost and complexity of the setup.

The 508-AV 1965 Stereo Equalizer modules by API offer a unique combination of authentic sound, tactile control, rugged construction, and vintage character. However, their high price, size, power consumption, and external power supply requirement may not make them the best choice for everyone.

If you are a professional audio engineer or music producer who values the unique sound and feel of vintage equalizers and has the budget for it, then the 508-AV modules could be an excellent investment. On the other hand, if you are looking for a more affordable and compact solution, you may want to consider other options in the market. Ultimately, the decision depends on your specific requirements, budget, and personal preferences.

Details:

These passive Esq are incredible sounding. Both units still retain their original Caesars Palace console color-coded Bakelite knobs. Unbelievably rare, this pair was purchased alongside several others when I procured the 1-of-a-kind UA Caesars Palace console some years ago. 1965 Universal Audio 508-AV Envelop mental Equalizer Units: RARE Matched Stereo Pair of UA 508 EQ Modules: Caesars Palace Console Spares!: For your consideration is this vintage matched pair modules.

Of the 10 spares, these 2 were only versions of their kind, and represent earlier pre-PCB variant loaded with Vitamin Q Aerobics caps. From the Universal Audio advertisement, 508 Envelop mental Equalizer is a no-loss, high-and-low frequency passive equalizer designed for use with 1008 or 1108 Microphone Amplifier.

part #: 508 prices

• $39.95-$185.00

specifications signalprocessorgo:

• brand: Universal Audio
• mpn: 508-av
• model: 508-av Eq Module
• type: Equalizer
• analog/digital: Analog
• effect/enhancement: Graphic Equalization
• country of origin: United States

offer signalprocessorgo:

• sold: 0
• started: February 25, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1

seller signalprocessorgo:

• city: Los Angeles, California
• # reviews: 460
• rating: 100.0%

returns signalprocessorgo:

• policy: No Returns

payments signalprocessorgo:

• wallet: Apple-pay
• credit card: Mastercard
• other

general signalprocessorgo:

• condition: Used
• Musical Instruments Gear > Pro Audio Equipment > Signal Processors/Rack Effects

shipping signalprocessorgo:

• carrier: USPS
• service: USPS Ground Advantage
• cost: $0.00
• class: Standard
• type: Fixed
• transit: 7-10 Days

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