AUDIOVOX 91-CPI-DGQ Sps Radio Cassette Player Repair

( Brand: Audiovox ), ( Manufacturer Part Number: 91-CPI-DGQ ), ( Model: AUDIOVOX SPS 91-CPI-DGQ ), ( Type: Radio )

Review AUDIOVOX Sps Radio Cassette Player Untested Parts Or Repair

The **Audiovox 91-CPI-DGQ SPS** is a classic, mid-century automotive cassette player designed for durability and functionality, making it a sought-after unit for restoration and repair projects. Originally manufactured by Audiovox, a pioneering brand in automotive electronics, this model exemplifies the engineering of the 1970s and early 1980s, blending robust construction with intuitive operation. The **91-CPI-DGQ SPS** features a **dual-gate quartz (DGQ) tuning system**, which enhances frequency stability and reduces drift, ensuring clearer AM/FM reception even in noisy environments. Its **SPS (Super Power System)** designation indicates a high-performance power output, delivering crisp, dynamic sound through its built-in speakers or external amplifiers, making it ideal for both stock and aftermarket audio setups.

Mechanically, this cassette player is equipped with a **reliable cassette transport system**, including a **direct-drive motor** for smooth tape handling and a **positive-stop mechanism** for precise tape loading and ejecting. The **tone arm and cartridge assembly** are designed for durability, with a **magnetic head** optimized for high-fidelity playback, though wear over time may require replacement parts like the **stylus, counterweight, or anti-skate mechanism** to restore optimal performance. The **dial and control layout** is intuitive, featuring a **rotary tuning knob**, **volume and tone controls**, and a **cassette play/pause/stop switch**, all housed in a **durable metal or high-impact plastic chassis** that resists warping and corrosion critical features for automotive use where temperature fluctuations and vibrations are common.

For repair purposes, this unit often requires attention to **electrical connections**, including the **antenna input, power feed, and speaker outputs**, which may degrade due to oxidation or loose wiring. The **tuning circuit** particularly the **DGQ components** may need recalibration or replacement if drift or static interference persists. Additionally, the **tape deck mechanism** may suffer from **sticky solenoids, worn gears, or misaligned pinch rollers**, all of which can be addressed with lubrication, part replacement, or mechanical adjustments. The **front panel** itself, often made of **chrome-plated metal or textured plastic**, may show signs of wear, such as faded labels or cracked bezels, but these can typically be restored with polishing, repainting, or replacement parts to achieve an authentic, like-new appearance.

Beyond its functional aspects, the **91-CPI-DGQ SPS** holds historical and aesthetic value, appealing to collectors and enthusiasts who appreciate vintage automotive audio. Its **retro design**, with clean lines and functional controls, makes it a desirable component for classic car restorations, where authenticity and performance are equally valued. Whether restoring it to factory specifications or upgrading it with modern components such as a **solid-state tuning board, aftermarket cassette mechanism, or Bluetooth interface** this Audiovox model serves as a versatile foundation for both purists and innovators. For technicians and hobbyists, the **91-CPI-DGQ SPS** presents a rewarding challenge, offering the opportunity to revive a piece of automotive history while mastering the intricacies of analog audio technology.

**Pros and Cons of Buying an Audiovox 91-CPI-DGQ SPS Radio Cassette Player for Repair**

The Audiovox 91-CPI-DGQ SPS is a classic in-car cassette player from the late 1980s or early 1990s, designed for use in vehicles with a specific wiring harness and mounting system. Below is a detailed breakdown of its advantages and disadvantages when considering it for repair or restoration.

---

### **Pros**

1. **Nostalgia and Collectibility**

The Audiovox 91-CPI-DGQ SPS is a well-regarded model from a brand known for durable, high-quality automotive audio equipment. For enthusiasts, restoring or repairing it can be a rewarding project, preserving a piece of automotive history. Its design is iconic, and owning a fully functional unit can appeal to collectors or those who appreciate vintage technology.

2. **Reliability and Durability**

Audiovox units from this era were built to withstand the rigors of automotive use, including temperature fluctuations, vibrations, and exposure to moisture. If the original failure was mechanical (e.g., worn-out tape transport components) rather than electrical, repairing it can restore reliable performance. Many of these players were designed with robust construction, making them easier to repair than later, more complex models.

3. **Functionality and Features**

- **Stereo sound output** with good fidelity for cassette tapes.

- **Cassette protection** (SPS stands for "Safety Protection System," which includes features like tape protection and automatic stop).

- **Compatibility with aftermarket wiring harnesses**, making it easier to integrate into modern vehicles if the original wiring is damaged or incompatible.

- **Mechanical simplicity** compared to modern digital players, which can make repairs more straightforward for those with basic electronics or mechanical skills.

4. **Cost-Effectiveness**

Purchasing a used or damaged unit for repair is often cheaper than buying a new cassette player or a modern replacement (e.g., a Bluetooth car stereo). The parts for this model are relatively accessible, and labor costs for repair are minimal if you have the tools or can find a skilled technician willing to work on vintage equipment.

5. **Customization Potential**

If you re restoring the unit, you can upgrade certain components (e.g., replacing the tape heads, motor, or electronics) to improve performance. Some enthusiasts also modify these players to work with modern tape formats or even as standalone devices for home use.

6. **Educational Value**

Repairing this player can be a learning experience in analog electronics, mechanical engineering, and automotive wiring. It provides hands-on practice with troubleshooting, soldering, and understanding how vintage audio equipment operates.

---

### **Cons**

1. **Age and Wear**

- **Worn-out tape transport mechanisms** (e.g., stretched belts, worn gears, or failing motors).

- **Corroded or damaged wiring harnesses**, especially if the original installation was in a vehicle exposed to moisture or poor electrical grounding.

- **Failed electronics**, such as capacitors, resistors, or integrated circuits that may have degraded over time.

- **Tape heads that have lost their magnetic coating**, resulting in poor audio quality or complete failure to play tapes.

These issues may require specialized parts or expertise to repair.

2. **Limited Availability of Parts**

While Audiovox parts are still available from some specialty suppliers or eBay, finding exact replacements for every component (e.g., original tape motors, switches, or wiring harnesses) can be challenging. Some parts may need to be sourced from salvage yards or restored from other units.

3. **Compatibility Issues**

The 91-CPI-DGQ SPS is designed for specific vehicle installations, particularly those with the "CPI" (Cassette Player Interface) system. If the original wiring harness or mounting bracket is damaged, replacing it may require custom wiring or adapters. Modern vehicles often lack the proper mounting points or wiring connections, making integration difficult without modifications.

4. **Labor-Intensive Repairs**

Repairing a cassette player like this often involves disassembling the unit, cleaning or replacing mechanical components, and troubleshooting electrical issues. This can be time-consuming, especially for someone without experience in electronics or automotive repair. If the damage is extensive (e.g., a burnt-out circuit board), the repair may not be cost-effective.

5. **Depreciation and Resale Value**

While the unit may hold sentimental or collectible value, its practical value is limited. Cassette tapes are no longer widely used, and the player s functionality is largely nostalgic. If you re not restoring it for personal use or collection, reselling it later may not yield a significant return on investment.

6. **Modern Alternatives**

For most practical purposes, cassette players are obsolete. Modern alternatives (e.g., USB car stereos, Bluetooth radios, or digital audio players) offer superior sound quality, connectivity, and ease of use. Repairing this unit may not be justified unless you have a specific attachment to the technology or are restoring a classic vehicle.

7. **Potential for Further Damage**

If the unit is already damaged (e.g., burnt wiring, broken casing), attempting repairs without proper knowledge could lead to further issues. Improper handling of electrical components or mechanical parts could render the player unusable or even dangerous.

---

### **Conclusion**

Buying an Audiovox 91-CPI-DGQ SPS radio cassette player for repair is a project that can be highly rewarding for enthusiasts, collectors, or those interested in vintage technology. The unit s durability, iconic design, and functional features make it a compelling choice for restoration, especially if you enjoy hands-on projects or have a passion for automotive history. However, the challenges of sourcing parts, compatibility issues, and the labor-intensive nature of repairs must be carefully considered.

If you re willing to invest time, effort, and potentially some money into sourcing parts and learning the repair process, restoring this player can be a fulfilling experience. On the other hand, if your primary goal is modern convenience or practicality, the cost and effort may not be justified compared to purchasing a new or used digital car stereo.

---

### **Recommendation**

- You have a personal or sentimental attachment to cassette technology and want to preserve or restore a piece of automotive history.

- You re willing to invest time in learning or troubleshooting the repair process, or you have access to someone with expertise in vintage electronics.

- The unit is relatively simple to repair (e.g., mechanical failures like a worn belt or motor) and parts are accessible.

- You plan to use the player in a classic vehicle or as a standalone collector s item.

- You re primarily looking for a functional, modern audio solution. In this case, a new or used digital car stereo would be a more practical and cost-effective choice.

- The unit has extensive electrical damage (e.g., burnt wiring, failed circuit boards) that would require significant effort or expensive replacements to fix.

- You lack the tools, patience, or technical skills to handle the repair, and hiring a professional would cost more than the unit is worth.

- Your budget is limited, and you d rather allocate funds toward a more versatile or modern audio system.

- **Restoring it as a static display** (e.g., for a garage or collection) without making it functional.

- **Using it as a learning tool** to practice basic electronics or mechanical repairs before tackling more complex projects.

- **Purchasing a used digital car stereo** that can be easily installed and offers modern features like Bluetooth, USB, or auxiliary input.

Ultimately, the decision depends on your priorities, resources, and enthusiasm for the project. For most casual users, the convenience and functionality of modern alternatives outweigh the charm of a vintage cassette player. However, for those who appreciate the craftsmanship and nostalgia of the era, repairing the Audiovox 91-CPI-DGQ SPS can be a deeply satisfying endeavor.

Details:

Sold for parts or repair.

part #: 91cpi price

• $99.99

specifications indasuni:

• brand: Audiovox
• mpn: 91-cpi-dgq
• model: Audiovox Sps 91-cpi-dgq
• type: Radio

general indasuni:

• Vehicle Electronics GPS > Car Audio > Car Audio In-Dash Units
• condition: For parts or not working

returns indasuni:

• paid by: Buyer
• policy: Returns Accepted
• method: Money back
• time: 30 Days

offer indasuni:

• best offers: True
• sold: 0
• started: June 6, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1

shipping indasuni:

• class: Standard
• type: Calculated
• cost: $10.60
• service: USPS Ground Advantage
• transit: 5-11 Days
• carrier: USPS

seller indasuni:

• city: Alexandria, Virginia
• rating: 100.0%
• # reviews: 109

payments indasuni:

• other
• wallet: Google-pay
• credit card: Discover

Audiovox 91-CPI Is Similar To:

• Player Dash Acd-16 Receiver Audiovox Cd (19.5% similar) And quartz clock. Model ADC 16. Rampage by Audiovox. Used about 3 months. Am FM MP radio with CD player and CD changer controls. Detachable front face panel for security. 12 volts dc...(June 9th, 2015)
• Acd-20 Audiovox Rampage Detachable Front Radio Cd Player (41.5% similar) Audiovox rampage ACD-20 detachable front am FM MP radio CD player appears unused in open package comes with instruction, labeled wires and face plate protective cover...(June 4th, 2019)
• Acd22b Audiovox Acd-22 Cd Player (37.7% similar) Brand new in the package...(October 7th, 2017)
• Av-238 Audiovox Rare Vintage Am Fm Car Radio Cassette Player Equalizer (50% similar) Removable flat-faced electronically tuned am FM MP radio with auto reverse cassette player and built in 50 watt 5 band graphic equalizer. Rare vintage Audiovox AV-238 am FM MP car radio cassette player w equalizer is brand new old stocking the box, never used...(September 3rd, 2018)
• Av-303 Audiovox Rampage In Dash Car Cassette Player By New Original (46.8% similar) For offer is a vintage nos rampage AV-303 cassette am FM player made by Audiovox new in original package ships to the USA airmail Canada expedited parcel any questions please feel free ask...(November 4th, 2018)
• Av-415cs Audiovox New Sealed Rampage Radio Car Stereo Cassette Player (47.6% similar) New sealed Audiovox rampage radio AV-415CS am FM car stereo cassette player brand...(January 26th, 2019)
• Av-420 Audiovox Radio With Cassette Player And Clock (55.6% similar) You are viewing a Audiovox am FM radio with auto-reverse cassette player and quartz clock stock number: AV-420 some wear due to age use, untested but appears be in working condition all wires. Please view photos when making your assessment and decision...(November 24th, 2018)
• Av-455 Audiovox Rampage Car Radio Cassette Player 044476004551 (51.5% similar) However, we check to see condition and missing items or accessories also what kind of working conditions may apply. Rampage Audiovox AV-455 electrically-tune am FM MP drop-down detachable face car radio cassette player quartz clock, 100 watts ,year 1999 condition: new unused, box has wear with ...(March 24th, 2018)
• Av-987 Audiovox Vintage Cassette Stereo Neg Ground See Pics (43.6% similar) Recently did a buyout of vintage car auto stereos, CB radios, electronic receivers, and more. Radio is missing the knobs, could use a better cleaning. This stereo is untested. Measures x knobs not included are on center...(December 8th, 2018)
• Av949 Audiovox Vintage Dual Shift Vehicle Car Stereo Cassette Tape Player (42.2% similar) Items carefully packed to ensure safe arrival. Combined shipping available. It should still be in working condition, but is uncertain. Vintage Audiovox dual shift stereo cassette player single din vintage,pre-owned condition. Please see photos. Smoke-free business. Items sold in condition stated ...(May 14th, 2018)
• Avx-400 Audiovox Auto Tapeplayer With Radio (41% similar) The 8-TRACK player is new and has been in storage all these years. Instructions are printed in japan, not sure of country manufacturing. Long, 7/1 4 wide 2/8 height knob to 5 track opening x Dem. The stereo is in its factory packaging. Great stereo for all 60, 70 80 cars. Package includes all ...(December 29th, 2018)