Sony STR-DG720 Stereo Av Receiver * Manual * Box * Remote * Accessory

Sony STR-DG720 Stereo Av Receiver * Manual * Box * Remote * Accessory

Sony

Regular price $150.00 USD
Sale price $150.00 USD Regular price
Sale Sold out

About the Sony STR-DG720

The STR-DG720 drives up to seven home theater speakers with 95 watts each to give you rich, enveloping surround sound with all your movies, TV shows, and music. It also lets you take full advantage of the latest audio and video sources — from high-definition video, to XM Radio and portable MP3 players. Sony's auto setup function makes home theater speaker calibration as simple as connecting the supplied microphone and pressing a button.

High-def HDMI switching and simplified system operation
If you've got an HDTV with only one HDMI digital video input, you'll really appreciate the 'DG720's 1080p-compatible HDMI switching. This lets you hook up three high-definition video components and switch among them easily, while maintaining pristine digital purity for the picture and sound. Plus, this future-ready receiver's HDMI connections will allow simplified one-touch operation with compatible Sony audio/video components. Just press play on the remote, and watch as the receiver, television, and disc player all automatically power up and switch to the appropriate settings.

More digital entertainment options
The STR-DG720's Digital Media Port lets you play music stored on your iPod® or PC when you connect additional Sony accessories. An optional PC adapter allows you to send tunes from your computer to the receiver through your wired or Wi-Fi® home network. Plus you can use Sony's special digital processing mode to enhance the sound of your MP3s and other compressed music files. This receiver is also XM Ready — just add an optional XM Mini-Tuner package and an XM subscription to enjoy instant access to your favorite XM satellite radio channels.

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Product highlights:

  • 95 watts x 7 into 8 ohms (20-20,000 Hz) at 0.09% THD
  • Dolby® Digital EX, DTS-ES®, DTS Neo:6, and Dolby Pro Logic® IIx, and Digital Cinema Sound processing
  • BRAVIA™ Theater Sync for simplified operation with compatible Sony components
  • XM Satellite Radio Ready (requires XM subscription and optional XM Mini-Tuner package)
  • Digital Cinema Auto Calibration for easy speaker setup (microphone included)
  • Digital Media Port for adding an optional Sony iPod dock or wireless PC music player
  • Digital Cinema Sound modes
  • Portable Audio Enhancer for improved sound quality with MP3s and other digital music files
  • A/V Sync helps align out-of-sync audio and video for digital sources
  • built-in AM/FM tuner
  • A/V remote
  • 16-15/16"W x 6-3/16"H x 12-13/16"D
Connections:
  • 1080p-compatible HDMI digital audio/video switching (3 in, 1 out)
  • supports x.v.Color™ with compatible video sources and TVs
  • component video switching: 3 in, 1 out
  • 4 audio/video inputs, including:
    • 1 front-panel input with composite video
    • 3 rear-panel inputs with composite video
  • 2 audio-only inputs
  • no phono input
  • digital inputs: 2 optical, 1 coaxial
  • 2 sets of main speaker outputs

In stock

Pickup available at 45 Market Square

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There’s something undeniably magnetic about vintage audio gear. The tactile weight of milled aluminum knobs, the warm glow of dial lamps, and—above all—the rich, analog sound that today’s sterile streaming boxes can’t quite replicate. But time is merciless: capacitors dry out, switches oxidize, and those gorgeous walnut cabinets lose their sheen. That’s where the art (and science) of our vintage audio refurbishment comes in.

Why Vintage Audio Still Matters

In the golden era of hi-fi—roughly the mid-1960s through the early 1980s—companies like Marantz, McIntosh, Pioneer, Sansui, and Technics were engaged in an arms race of build quality. This was before cost-cutting plastics and disposable designs; amplifiers were over-engineered, receivers were works of art, and turntables were precision instruments.

Owning one wasn’t just about sound; it was about status and permanence. These machines were built to last a lifetime—or two. The irony? Decades later, they often do, provided they’re given the care they deserve.

The Philosophy of Refurbishment

Refurbishment is not just about fixing; it’s about preserving authenticity while ensuring reliability. The goal is to keep that lush, analog character alive without compromising safety or sound quality.

Some enthusiasts chase museum-level originality—keeping every factory component in place. Others opt for sympathetic modernization, upgrading parts that never existed in the ’70s to improve performance. Both approaches can be valid; it depends on your vision.

The Turntable Store refurbishing process.. step by step

Step 1: The Initial Encounter

When we first meet a 40-year-old amplifier, we resist the urge to plug it in right away. That dusty Marantz 2270 might look gorgeous, but old electrolytics and brittle insulation can short instantly under full voltage.

Instead:

  • We inspect for corrosion, burnt resistors, and leaking capacitors.
  • We use a Variac (variable transformer) to bring up voltage slowly, reforming capacitors rather than shocking them back to life.
  • We check fuses—not just for continuity but for correct ratings.

Tip: A faint musty smell? That’s often the scent of old phenolic boards, not trouble. But a burnt smell? That’s trouble.


Step 2: Deep Cleaning & Control Detox

Dust is the enemy of good sound, that is why we clean the interior carefully with compressed air and a soft brush.

The real magic comes with switches and potentiometers. Over decades, oxidation builds up, causing scratchy controls and dropouts. A deep contact clean in each pot and switch, followed by vigorous cycling, often restores silky-smooth operation.

Step 3: Electrical Resurrection

This is where science meets art:

  • Capacitors: Electrolytic caps often need some attention. We replace out-of-spec caps with high-quality modern equivalents (Nichicon, Panasonic), avoiding over-capacitance unless the power supply can handle it.
  • Resistors: Carbon comp resistors drift over decades. Measure and replace out-of-spec parts.
  • Transistors: Certain vintage transistors (e.g., 2SC458) are notorious for noise. We do swap defective ones for modern low-noise equivalents.
  • Relays & Lamps: Speaker relays oxidize; replace or clean contacts. Dial lamps? Upgrade to warm LEDs for a factory glow without the heat.


Step 4: Cosmetic Glory

Refinishing the walnut cabinet can transform a unit. We do use real wood oil or Danish oil, not polyurethane. We clean the glass dial carefully; those silkscreened letters are fragile.

Knobs? We polish with metal cleaner, but never use abrasives on anodized aluminum.

Faceplate lettering? We avoid harsh chemicals—just mild soap and a microfiber cloth.


Step 5: Calibration & Sonic Check

After the repair and cleaning, it’s time to dial in the performance:

  • We do adjust bias and DC offset on amplifiers for stable operation.
  • On turntables, we re-lube bearings, replace belts, and check speed accuracy.
  • On Cassette Decks and Reel to Reels, we replace belts ( if needed ), we clean and demagnetize the heads before the alignment process ( a must ! ) 

When done right, the result is astonishing: a sound that breathes—liquid mids, velvet highs, and bass with a tactile presence that modern gear rarely matches.


Our promise for Audiophile-Level Results

  • We Avoid Cheap Parts: That $5 eBay capacitor kit? Hard pass. We use reputable brands.
  • We Don’t Over-Polish: Patina is part of the charm. We aim for “well-loved,” not “plastic surgery.”
  • We Upgrade Discreetly: If we must modernize (like adding gold-plated RCA jacks), we keep it tasteful and reversible.


Why It’s Worth It

The payoff isn’t just sonic—it’s emotional. Restoring a 1970s Marantz or Sansui is like bringing a classic car back to life. Every glowing dial lamp, every smooth rotation of a volume knob, connects you to an era when music mattered enough to build machines like this.

And when you drop the needle on your favorite record and hear that warm, enveloping sound, you’ll know: this wasn’t just a repair. It was a resurrection.

We have a 14-day return policy, which means you have 14 days after receiving your item to request a return. 

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at theturntablestore@gmail.com. Please note that returns will need to be sent to the following address: 

The Turntable Store
45 Market Square
Manheim PA 17545

If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at theturntablestore@gmail.com.


Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, like turntable needles and custom products (such as special orders or personalized items). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item. 

Unfortunately, we cannot accept returns on sale items or gift cards.

Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at theturntablestore@gmail.com.

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