
RA-52-RA-52B Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $14.97 | Condition is Good, Kenwood RA-52 RA-52B Reverb Amplifier Service Manual *Original*, shipping cost = $4.97 | 99.9% |
![]() | $29.99 | Condition is Good, KENWOOD RA-52 RA-52B Reverberation Amplifier Service Manual Original HSQ, shipping cost = $4.84 | 97.5% |

The Kenwood Ra-52 and Ra-52B Reverberation Amplifiers are professional-grade sound reinforcement amplifiers designed for use in various applications, including discos, nightclubs, and live music venues. These amplifiers are known for their powerful output and high-quality sound.
The Ra-52 and Ra-52B are 2-channel amplifiers, each capable of delivering a maximum power output of 250 watts into 4 ohms (220 watts into 8 ohms) for a total of 500 watts. This makes them suitable for powering loudspeakers and subwoofers in medium-sized systems.
One of the standout features of these amplifiers is their built-in digital reverberation circuit. This circuit adds a natural and spacious ambiance to the sound, making it ideal for use in clubs and other venues where a sense of depth and richness is desirable. The reverberation time is adjustable, allowing users to customize the effect to their liking.
The amplifiers also feature a number of other advanced features, including a high-pass filter for removing unwanted low frequencies, a limiter to protect against overload, and a selectable gain control mode for easy setup. The front panel includes a number of indicators, including power, clip, and protection status, making it easy to monitor the amplifier's operation.
The amplifiers are housed in heavy-duty steel chassis, which not only provides excellent protection against damage but also helps to dissipate heat efficiently. They also feature large, easy-to-use knobs and switches, making them easy to operate even in low-light conditions.
The Kenwood Ra-52 and Ra-52B Reverberation Amplifiers come with a detachable power cord and a user-friendly manual, which includes detailed instructions on installation, operation, and maintenance. The manual also includes a troubleshooting guide, which can help users diagnose and resolve any issues that may arise.
In summary, the Kenwood Ra-52 and Ra-52B Reverberation Amplifiers are powerful and versatile amplifiers that offer excellent sound quality and a range of advanced features, including a built-in digital reverberation circuit. They are ideal for use in medium-sized sound reinforcement systems and are built to last, making them a great investment for any professional sound engineer or venue owner.
The Kenwood Ra-52 and Ra-52B Reverberation Amplifiers are popular choices for those seeking to enhance the acoustic experience in their vehicles. Here are some pros and cons that might help you decide if this amplifier is the right fit for you:
Pros:1. High-Power Output: With a maximum power output of 500 watts, the Kenwood Ra-52 and Ra-52B amplifiers can deliver powerful and clear sound, making it an excellent choice for those who prefer a loud and dynamic audio system.
2. Compact Design: These amplifiers have a compact size, making them easy to install in most vehicles. They can be mounted under the seat or in the trunk, freeing up dashboard space.
3. Built-in Equalizer: The built-in 6-band equalizer allows users to customize the sound to their preferences, providing a more personalized listening experience.
4. Reliable: Kenwood is a reputable brand known for producing high-quality audio equipment. The Ra-52 and Ra-52B amplifiers are no exception, offering reliable performance and durability.
5. Affordable: Compared to other high-power amplifiers, the Kenwood Ra-52 and Ra-52B are relatively affordable, making them a great option for budget-conscious consumers.
Cons:1. Power Consumption: The high-power output of these amplifiers results in significant power consumption. This can put a strain on the vehicle's electrical system and may require the installation of an additional power source.
2. Complex Installation: Installing these amplifiers can be a complex process, especially for those without prior experience. It may require the assistance of a professional installer or extensive research and troubleshooting.
3. Limited Connectivity: The Ra-52 and Ra-52B amplifiers do not offer advanced connectivity features, such as Bluetooth or USB inputs. This may limit their versatility for some users.
4. No Remote Control: Unlike some other amplifiers in the market, the Kenwood Ra-52 and Ra-52B do not come with a remote control, making it inconvenient for users who want to adjust the volume or settings from a distance.
In conclusion, the Kenwood Ra-52 and Ra-52B Reverberation Amplifiers offer powerful sound, a compact design, and a built-in equalizer, making them an excellent choice for those who prioritize sound quality and customization. However, their complex installation process, power consumption, and limited connectivity features may deter some users.
If you are looking for a high-power amplifier that delivers clear and dynamic sound, the Kenwood Ra-52 and Ra-52B are definitely worth considering. However, before making a purchase, make sure you are prepared for the installation process and the additional power requirements.
Recommendation:If you are looking for a powerful amplifier that offers a personalized listening experience and a compact design, the Kenwood Ra-52 and Ra-52B Reverberation Amplifiers are a great option. However, if you prioritize connectivity features, ease of installation, or a more affordable price point, there may be other amplifiers in the market that better suit your needs. It is recommended to research and compare different options before making a final decision.
Details:
Item for sale is an original Kenwood RA-52 RA-52b reverberation amplifier service manual.
specifications vintamanual:
- brand: Kenwood
- mpn: Ra-52
- part type: Amplifier Manual
- country of origin: Japan
- modified item: No
seller vintamanual:
- city: brighton, massachusetts
- rating: 97.1%
- # reviews: 96
returns vintamanual:
- policy: no returns
shipping vintamanual:
- service: usps media mail
- transit: 10-16 days
- class: economy
- type: fixed
- carrier: usps
offer vintamanual:
- sold #: 12
- prices: $14.97–$29.99
- item condition: Good
- in stock #: 2
- options: ship-to-home
- started: april 23, 2026
- availability: in stock
payments vintamanual:
- credit card: diners-club
- other
- wallet: google-pay
general vintamanual:
- category: Electronics > Audio Video > Parts Accessories > Vintage Manuals
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