
( Brand: Harmony ), ( Manufacturer Part Number: 05700211012-RMU ), ( Part Type: Tube Amplifier ), ( Amplifier Type: Combo ), ( UPC: 885015403990 )
The Harmony HM-620 1x12 Tube Amplifier, model number 05700211012-RMu, is a remarkable piece of music equipment designed for guitar players in search of authentic, rich, and warm tube tone. This amplifier is a 20-watt combo unit, featuring a 12-inch speaker that delivers crisp highs, clear mids, and bold, resonant bass. Its compact size makes it perfect for small venues, home practice sessions, or recording studios.
At its heart, the Harmony HM-620 boasts a classic design with six 12AX7 preamp tubes, one 12AT7 preamp tube, one 12AX7 Phase Inverter tube, and one EL84 power tube. This arrangement of tubes provides the amp with a dynamic and responsive tone, allowing for a wide range of tonal possibilities. The solid-state rectifier is rated at 5U4G and ensures efficient power handling and reliable performance.
The control panel is simple, yet effective. It includes a Volume control, Treble and Bass tone controls, and a Gain control. This setup allows players to dial in their perfect tone by easily adjusting the amp's response and character. The amp's input is primarily designed for electric guitars but can also accommodate an acoustic-electric guitar with the use of an imp wishbone pickup or a Y-connector.
A standby switch is conveniently located on the top panel for quick access. It enables players to conserve power when not playing, thus reducing the need for tube warm-up time. A dedicated footswitch input jack for engaging reverb and tremolo effects is also provided, enhancing the amp's versatility.
The Harmony HM-620 1x12 Tube Amplifier incorporates a spring reverb effect, adding depth and spaciousness to the tone. It also has a tube-driven tremolo effect, which introduces gentle amplitude modulation, giving the signal a resonating, pulsing quality.
Cosmetically, this amplifier boasts an attractive vintage appearance with its textured olive green tolex covering, brown aluminum grille cloth, and silver control panel. The cabinet is made of robust particleboard and is covered with durable black-colored vinyl. Angled back corners and recessed handles make for easy transportability.
The Harmony HM-620 1x12 Tube Amplifier offers a powerful and authentic tube tone, making it an excellent choice for any guitarist seeking excellent sound quality in a compact, reliable, and versatile package.
The Harmony H620 20W 1x12 tube amplifier offers an authentic tube tone for guitarists. Let's review its key features, advantages, disadvantages, and provide a conclusion with a recommendation.
Features:1. One 12AX7 and three 6V6 tubes
2. Single-channel operation
3. 20-watt output
4. 1x12" 8-ohm Celestion speaker
5. Preamp gain, treble, middle, bass, and master volume controls
6. Presence control
7. Reverb
8. Impedance selector switch (4, 8, and 16 ohms)
Advantages:1. Authentic tube tone - The H620 delivers rich and warm tube sound and response.
2. Versatile - Can be used for various music styles, from blues to rock.
3. Affordable price point - The amp is more reasonably priced compared to some competitors.
4. Weight and portability - The 15.9 lbs (7.25 kg) weight makes it easy to carry around.
5. Flexible - Has a removable back panel for easier access to components and tubes.
Disadvantages:1. Limited features - The single-channel operation and lack of additional effects may not appeal to some players.
2. Limited power - 20W may not be powerful enough for larger venues or gigs.
3. Tube replacement cost - Tube amps generally have higher maintenance costs due to the need for periodic tube replacement.
Conclusion:The Harmony H620 20W 1x12 tube amp is an excellent choice for guitarists seeking authentic tube tone and portability at a budget-friendly price. Its single-channel operation and limited power make it more suitable for practice, small home recording, or solo performances. The potential downsides, such as the lack of additional tonal shaping options and limited power, may not pose significant issues for guitarists who can appreciate the traditional tube sound and character.
Recommendation:The Harmony H620 20W 1x12 tube amp is highly recommended for guitarists who want a genuine tube sound at a reasonable price and prioritize portability, practice, or recording applications. It is also a great option for beginners and those who are just starting their exploration into the world of tube tone and amplifiers. If you're looking for a more versatile, powerful, or feature-rich tube amp, consider exploring higher-end models from more well-known brands.
At the heart of H620 lies two 6L6 power tubes and three 12AX7 preamps. Crafted for smaller stages and intimate studios, this is capable of anything from clean, soothing sounds to heavily distorted tone. This has seen almost no use and is in as-new condition. A used Harmony H620 20W 1x12 Tube Combo Amp.
The Harmony H620 is a remarkable tube combo amplifier that combines the best amp-building techniques of past and present into single neat package. Onboard Tremolo, Reverb and Gain Boost are foot-switchable, a line out jack is also available for direct recording to an external device.