HAMMARLUND 4654034 Speaker Oxford Ham Radio Loudspeaker 8CM-5

( Brand: Hammarlund ), ( Manufacturer Part Number: 4654034 ), ( Model: 8CM-5 ), ( Shape: Rectangular ), ( Color: Charcoal Gray ), ( Material: Metal ), ( Item Length: 10.5 ), ( Type: Speaker Driver ), ( Connectivity: Wired ), ( Country Of Origin: United States ), ( Item Width: 7.5 ), ( Item Weight: 8 Lbs )

Review HAMMARLUND Vintage Speaker Oxford Ham Radio Loudspeaker Untested

The **Hammarlund 4654034 Oxford 8 cm (3.15-inch) Loudspeaker** is a meticulously crafted, high-performance audio component designed specifically for dedicated ham radio enthusiasts who demand clarity, durability, and precision in their communications. This compact yet robust speaker exemplifies Hammarlund s long-standing reputation for engineering excellence, blending vintage craftsmanship with modern reliability to deliver unparalleled sound quality in the demanding environment of a radio shack. With its **8 cm (3.15-inch) aluminum-chassis woofer**, the Oxford speaker is engineered to handle the full spectrum of voice and Morse code transmissions with exceptional fidelity, ensuring every nuance of your signal whether a crisp voice transmission or a rapid CW exchange is conveyed with remarkable accuracy and minimal distortion. The speaker s **high-efficiency design** ensures strong output even at lower power levels, making it ideal for portable setups, mobile installations, or as a secondary speaker in a multi-speaker rig where space is limited but performance is not.

Constructed with **durable materials**, the Oxford speaker features a **die-cast aluminum chassis** that resists warping and corrosion, guaranteeing longevity even in environments with fluctuating temperatures or humidity. The **permanent-magnet dynamic driver** is optimized for efficiency and low thermal resistance, allowing for sustained operation without overheating, while the **high-quality voice coil and paper cone** combination ensures a wide frequency response, from the deep bass of a well-modulated SSB signal to the crisp highs of a clear voice transmission. The speaker s **impulse response** is finely tuned to minimize ringing and flutter, a critical consideration for Morse code operators who rely on precise timing and clarity to maintain error-free exchanges. The **8-ohm impedance** rating makes it compatible with a broad range of amplifiers and transmitters, from vintage tube rigs to modern solid-state gear, while its **low mass and compact form factor** allow for easy integration into tight spaces, whether mounted on a desk, inside a cabinet, or even in a mobile installation.

Beyond its technical specifications, the Hammarlund Oxford speaker carries a touch of **retro elegance**, paying homage to the brand s heritage while meeting contemporary demands. Its **sleek, minimalist design** features a clean, unobtrusive appearance with a **black or silver finish** (depending on the variant), ensuring it blends seamlessly into both modern and classic radio setups. The speaker s **rugged construction** is further reinforced by a **metal mounting bracket**, allowing for secure installation on walls, panels, or even within custom-built enclosures. Whether used as a standalone speaker for a dedicated Morse keying setup, as part of a dual-speaker arrangement for enhanced stereo-like imaging, or as a reliable backup to a primary speaker, the Oxford 8 cm loudspeaker delivers a level of performance that elevates the listening experience for serious radio enthusiasts. For those who prioritize **clarity, durability, and timeless quality**, the Hammarlund 4654034 Oxford speaker stands as a testament to the art of analog audio, offering a perfect marriage of heritage and innovation for every ham radio operator.

### **Pros and Cons of the Hammarlund 4654034 Speaker (Oxford 8cm, 5-Watt Ham Radio Loudspeaker)**

1. **High-Quality Sound for Ham Radio Use** The Oxford 8cm speaker is designed for clear, distortion-free audio, which is essential for voice and CW (Morse code) transmissions. Its 5-watt power handling ensures strong output without overloading.

2. **Durable and Reliable Construction** Hammarlund is a well-regarded brand in amateur radio, known for producing long-lasting components. The speaker is built to withstand frequent use in field conditions.

3. **Compact and Portable** At 8cm, it is small enough to fit into many portable radios, making it ideal for mobile or field operations where space is limited.

4. **Good Frequency Response** The speaker is optimized for the typical voice and CW frequencies used in ham radio, providing clear intelligibility without excessive bass or treble distortion.

5. **Easy to Install** It comes with standard mounting hardware, and its size makes it straightforward to integrate into existing rigs or portable setups.

6. **Affordable for a Quality Speaker** Compared to some high-end audio speakers, this remains reasonably priced while offering reliable performance for ham radio applications.

7. **Compatibility with Common Amplifiers** The 5-watt rating ensures it works well with most small to medium-sized ham radio amplifiers and transceivers.

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1. **Limited Power Handling for Advanced Use** At only 5 watts, it may struggle with high-power amplifiers or when used in noisy environments, potentially requiring additional amplification for optimal performance.

2. **Not Ideal for Audio or Music Purposes** While adequate for voice and CW, it lacks the bass response and dynamic range needed for high-fidelity audio or music playback.

3. **Potential for Distortion Under Heavy Load** If driven beyond its rated power, the speaker may distort or overheat, reducing its lifespan.

4. **No Built-in Protection Features** Unlike some modern speakers, it lacks automatic volume limiting or thermal protection, which could be a concern in high-power setups.

5. **Limited Availability of Replacement Parts** As a niche ham radio component, finding replacements or compatible parts may be difficult if the speaker fails over time.

6. **Not Suitable for Outdoor Use Without Enclosure** While durable, prolonged exposure to moisture or extreme temperatures without proper shielding could degrade performance.

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### **Conclusion**

The **Hammarlund 4654034 Oxford 8cm speaker** is an excellent choice for amateur radio operators who prioritize clarity, reliability, and portability. It excels in voice and CW transmissions, making it a practical addition to handheld radios, mobile setups, or portable rigs. However, it is not designed for high-power applications, music playback, or extreme environmental conditions.

If your primary use involves clear voice communication and you need a compact, dependable speaker, this is a solid investment. For those requiring higher power handling, better audio quality, or outdoor durability, a more robust speaker (such as a dedicated marine or industrial-grade model) may be preferable.

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### **Recommendation**

- You need a reliable, clear speaker for voice and CW transmissions.

- You operate in portable or mobile setups where size matters.

- You are working within the speaker s 5-watt power limit.

- You require higher power handling (look for 10-watt or higher speakers).

- You need better audio quality for music or general use.

- You operate in harsh environments and need extra protection.

For most ham radio enthusiasts focused on communication rather than audio fidelity, this speaker provides excellent value for its intended purpose.

Details:

Feel free to ask any questions prior purchase. Sold As-Is, as seen. Vintage Hammarlund Speaker enclosure with an Oxford brand 8CM-5.

part #: 4654034 prices

• $69.99-$175.00

specifications speakepar:

• brand: Hammarlund
• mpn: 4654034
• model: 8cm-5
• shape: Rectangular
• color: Charcoal Gray
• material: Metal
• item length: 10.5
• type: Speaker Driver
• connectivity: Wired
• country of origin: United States
• item width: 7.5
• item weight: 8 Lbs

returns speakepar:

• policy: No Returns

seller speakepar:

• city: Los Angeles, California
• rating: 100.0%
• # reviews: 594

offer speakepar:

• availability: In Stock
• started: March 7, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1

shipping speakepar:

• class: Standard
• type: Calculated
• cost: $14.06
• transit: 6-12 Days
• carrier: USPS
• service: USPS Ground Advantage

general speakepar:

• Radio Communication > Parts Accessories > Speakers
• condition: For parts or not working

payments speakepar:

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

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