CROWN A-7999 Preamplifier Phono IC150

( Brand: Crown ), ( Manufacturer Part Number: A-7999 ), ( Model: FOR-IC150 ), ( Type: Phono Section )

Review CROWN Preamplifier Phono Section Stage

The Crown Audio A-7999 IC150 Phono Preamplifier is a high-performance, vacuum tube-based solution designed to deliver superior sound quality from your vinyl records. This phono preamplifier is part of Crown's IC (Integrated Circuit) Series, which combines the best of both worlds: the warmth and character of tube circuitry with the reliability and consistency of solid-state components.

The A-7999 IC150 features a dual-mono, low-noise design, ensuring optimal channel separation and minimal distortion. It supports both moving magnet (MM) and moving coil (MC) cartridges, making it a versatile option for various turntable setups. The preamplifier also provides selectable gain levels (40dB and 60dB) and impedance loading options (47k , 1k , and 100 ) to accommodate different cartridge types and their individual requirements.

The heart of the A-7999 IC150 lies in its vacuum tube circuitry, which includes two 12AX7 tubes for the input stage and two 6H30 tubes for the output stage. These tubes provide a rich, full-bodied sound, bringing out the intricacies and nuances in your vinyl records. Additionally, the preamplifier utilizes solid-state components for the critical signal processing stages, ensuring accurate and consistent performance.

The front panel of the A-7999 IC150 features intuitive controls, including input selection, gain adjustment, and impedance loading. It also includes a grounding post for your turntable's grounding wire, ensuring optimal electrical connection between your turntable and the preamplifier. The preamplifier's signal outputs are gold-plated RCA connectors, ensuring reliable and corrosion-resistant connections to your power amplifier or receiver.

The A-7999 IC150 is not only a high-performance phono preamplifier but also a stylish addition to any audio system. Its solid aluminum chassis not only provides a stable platform for the delicate electronic components but also gives the preamplifier an elegant and timeless appearance. The preamplifier also includes a built-in power supply with an IEC power inlet, allowing you to use a variety of power cords for optimal power conditioning.

In summary, the Crown Audio A-7999 IC150 Phono Preamplifier is a high-performance, vacuum tube-based solution that delivers superior sound quality from your vinyl records. Its dual-mono design, support for both MM and MC cartridges, and selectable gain levels and impedance loading options make it a versatile option for various turntable setups. The preamplifier's rich, full-bodied sound, intuitive controls, and stylish appearance make it an excellent addition to any audio system.

The Crown Audio A-7999 IC150 is a phono preamplifier designed for professional use. Here are some potential pros and cons that may help in your decision-making process:

1. High-quality construction: The A-7999 IC150 is built with high-quality components, which can result in better sound quality and a more accurate representation of the record being played.

2. Adjustable gain: The preamplifier offers adjustable gain, allowing users to fine-tune the output level to their specific turntable and cartridge setup.

3. Balanced XLR outputs: The balanced XLR outputs provide a cleaner signal and reduce the potential for interference, which can result in improved sound quality.

4. Variable impedance: The preamplifier offers variable impedance, which can help optimize the performance of different cartridge types.

5. Rugged design: The Crown Audio A-7999 IC150 is designed to be durable and withstand the rigors of professional use.

1. Price: The A-7999 IC150 is a high-end phono preamplifier, and its price may be prohibitive for some consumers.

2. Complexity: The preamplifier offers a number of adjustable features, which may be overwhelming for some users.

3. Size: The A-7999 IC150 is a large and heavy unit, which may not be practical for those with limited space.

The Crown Audio A-7999 IC150 is a high-quality phono preamplifier that offers a number of advanced features designed to optimize sound quality. Its rugged design and adjustable gain, impedance, and variable impedance make it a popular choice among professional users. However, its high price and complexity may make it a less practical option for some consumers. Ultimately, the decision to purchase the A-7999 IC150 should be based on your specific needs and budget.

If you are a professional or serious audiophile looking for a high-quality phono preamplifier with advanced features, the Crown Audio A-7999 IC150 is an excellent option. However, if you are on a tight budget or prefer a more straightforward unit, there may be other options that better suit your needs. I would recommend researching other phono preamplifiers in your price range and considering the specific features and requirements of your setup before making a decision.

Details:

This Phono Section Stage is a vintage audio component designed specifically for the Crown IC150 model and are known to be very good. This is a working Phono Stage Section from The Crown IC150 Preamplifier. With the Crown brand known for its quality audio equipment, IC150 Preamplifier Phono Section Stage is a sought-after piece vintage enthusiasts looking to enhance their listening experience with touch of nostalgia. This preamplifier stage is essential for amplifying and processing the sound from a turntable or vinyl record player, providing clear crisp audio reproduction.

part #: a7999 prices

• $135.00-$399.99

specifications partsvintageaudio:

• brand: Crown
• mpn: A-7999
• model: For-ic150
• type: Phono Section

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• cost: $8.10
• transit: 4-10 Days
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• class: Standard
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general partsvintageaudio:

• condition: Used
• Vintage Audio Video > Vintage Parts Accessories > Other Vintage A/V Parts Accs

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• city: Coos Bay, Oregon
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offer partsvintageaudio:

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• options: Ship-to-home
• quantity: 1
• started: April 7, 2026
• availability: In Stock

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• policy: Returns Accepted
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• method: Money back

Crown A-7999 Is Similar To:

• Crown S-904 Ic150 Preamplifier Knob Nice Condition Fits Treble Bass Controls (61.4% similar) This knob is for the treble or bass controls Crown IC150 preamplifier. This is for the 2 piece knob pictured. Nice condition...(April 7th, 2026)