
AS-105 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $30.00 | Condition is Good, Vintage Heathkit Assembly Manual AS-105 Bookshelf Speaker System 1971 Original, shipping cost = $5.50 | 99.8% |

The Heathkit AS-105 Single Speaker Amplifier Kit is an excellent choice for audio enthusiasts looking to build their own amplifier system from scratch. This kit, designed and manufactured by Heathkit, a renowned name in the electronics industry, comes with all the necessary components required to build a high-quality mono speaker amplifier.
The AS-105 is rated at 15 watts per channel into 8 ohms, making it a versatile amplifier for various types of speakers and applications. It features a Class AB power amplifier circuit design that delivers impressive power output, low distortion, and high efficiency. The amplifier circuit is designed to provide a flat frequency response, ensuring accurate and clear sound reproduction across the entire audible range.
The AS-105 kit includes a high-quality transformer, selected resistors and capacitors, potentiometers, diodes, transistors, and other essential components. The assembly process is well-documented in the comprehensive instruction manual, which includes detailed step-by-step instructions, wiring diagrams, and schematics. Heathkit is renowned for its clear instructions and helpful customer support, making the build process an enjoyable and rewarding experience for electronics enthusiasts.
The amplifier's chassis is made of high-quality steel, ensuring durability and stability during operation. The front panel is designed with a clean and minimalist look, featuring a power switch, volume control, and an indicator light for power status. The rear panel includes binding posts for speaker connections, an AC power input, and an IEC power cord receptacle.
The AS-105 Single Speaker Amplifier Kit is an excellent choice for those looking to build their own audio system or upgrade an existing one. Its high power output, low distortion, and easy-to-build design make it a popular choice among electronics enthusiasts. With the AS-105, you'll not only enjoy the satisfaction of building your own amplifier, but also the sound quality that comes with it.
The Heathkit AS-105 is a single-speaker amplifier kit, which can be an attractive option for those interested in building their own audio equipment. Here are some pros and cons to consider before making a purchase:
Pros:1. Learning Experience: Building an amplifier kit from scratch can be an enriching experience for anyone interested in electronics and audio engineering.
2. Cost-effective: Kits like the AS-105 can save you money compared to buying a pre-built amplifier of similar quality.
3. Customizable: With a kit, you have the freedom to modify and customize your amplifier as per your preferences.
4. High-quality components: Heathkit is known for its high-quality components and thorough instructions, making the build process more enjoyable and rewarding.
Cons:1. Time-consuming: Building an amplifier kit can take a considerable amount of time, especially if you are new to the process.
2. Requires certain skills: A good understanding of electronics, soldering, and basic audio engineering concepts is necessary for a successful build.
3. Risk of damage: There is always a risk of damaging components during the build process.
4. Limited to a single speaker: The AS-105 is a single-speaker amplifier, which may not be suitable for larger systems or multi-speaker setups.
Conclusion:The Heathkit AS-105 single-speaker amplifier kit offers a rewarding building experience, high-quality components, and cost-effectiveness. However, it does require a significant investment of time, certain skills, and carries the risk of damaging components during the build process. If you are looking for a multi-speaker setup, this may not be the best option for you.
Recommendation:If you are new to electronics and audio engineering, it might be worth considering a pre-built amplifier or a more comprehensive kit to help you better understand the concepts involved. For those with the necessary skills and experience, the Heathkit AS-105 single-speaker amplifier kit can be a cost-effective and rewarding build project.
Details:
With its classic design and high-quality craftsmanship, this speaker offers a touch of nostalgia vintage charm to any audio setup. Please see photos for condition. Made in the USA by brand Heathkit, this single speaker unit is a great addition for collectors or enthusiasts of vintage audio equipment. He only had just the 1 single speaker and not a pair.
The vintage Heathkit model AS-105 single speaker is a rare and unique piece of audio equipment that only missing one speaker. I tested with my stereo and it worked but don't have an amplifier so couldn see its full potential. My grandfather was an engineer at Heathkit and I inherited his collection of equipment.
specifications vintaspeaker:
- brand: Heathkit
- mpn: As-105
- part type: Speaker
- unit type: Unit
- country/region of manufacture: United States
returns vintaspeaker:
- policy: no returns
shipping vintaspeaker:
- type: fixed
- service: fedex ground or fedex home delivery
- class: standard
- transit: 5-10 days
- carrier: fedex
offer vintaspeaker:
- started: july 24, 2025
- options: ship-to-home
- sold #: 15
- availability: in stock
- best offers: true
- price: $30.00
- item condition: Good
- in stock #: 1
seller vintaspeaker:
- city: south bend, indiana
- rating: 100.0%
- # reviews: 505
general vintaspeaker:
- category: Electronics > Audio Video > Vintage Speakers
payments vintaspeaker:
- wallet: paypal
- other
- credit card: discover
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