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Our knowledgeable advisers like Eddie Fields can help you choose and buy the gear you’ll love for years to come. Call, chat, or email us, or come by the showroom!

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Overview

I/70 Integrated Amplifier   The I/70 Integrated Amplifier stands proudly as the larger sibling to the I/50, offering a significant leap in audio performance and flexibility that will captivate music lovers and audiophiles alike. Designed with precision and passion, the I/70 is engineered to provide an extraordinary listening experience, making it a centerpiece in any high-fidelity audio system. Key features include:
  • Auto bias for 6550 output tubes: Ensures optimal performance and longevity for these critical components.
  • Separate active tube preamplifier section driving its tube amplifier section: Allows for a rich, dynamic sound that truly brings your music to life.
  • Preamp/Subwoofer single-ended preamp outputs: Offers flexibility for integrating additional components into your audio setup.
  • Utilizes the same output transformers used in the Reference 75SE amplifier: Guarantees exceptional sound quality.
  • Headphones are driven by the 6550 output tubes: Provides an immersive listening experience for intimate sessions.
  • XLR inputs: Ready to accommodate balanced source components, enhancing versatility.
  • Styling inspired by the Reference 330M: A visually striking addition to any audio setup, now available in natural silver or black anodized finishes.
  • New machined metal remote control: Adds sophistication and ease of use for effortless navigation.
  • Optional DAC card including USB, Coax, Optical, and Bluetooth: Expands functionality for modern audio needs.
  • Optional MM/MC Phono card: Enhances versatility for vinyl enthusiasts.
  • Represents an incredible value for its performance and features

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FAQs

Please read our FAQs page to find out more.

Do you price match?

Yes. We match any authorised dealer, including big-box retailers. If you find the same product at a lower price, contact us and we'll match it.

Do you offer free shipping?

Yes — free shipping on every order, with 2-day delivery available on most products. Easy returns and exchanges are included.

Where is your showroom?

We're at 6362 Alder Drive, Houston, Texas. The showroom lets you hear and compare reference-level systems in person before making any decisions. If you're considering a larger purchase or installation, it's well worth the visit.

Can I buy online without visiting the showroom?

Yes. The full product range is available through the online store with free nationwide shipping. For more complex system builds, speaking with one of our advisers first tends to lead to a better result.

Do you offer financing?

Yes. Special financing is available through the BrandSource Credit Card for qualifying purchases, allowing you to spread payments over time with no annual fee. Promotional rebate savings are also available periodically. See the financing page for full details.

Do you install systems as well as sell equipment?

Yes — installation is central to what we do. We design and install whole-home audio and video, home theaters, media rooms, outdoor audio, lighting and motorised shades, and full smart home automation.

Do you provide support after installation?

Yes. We provide ongoing service and support to ensure systems continue performing as intended — not just on installation day, but over the long term.