HAMMOND H-AO-28-5 Tube Organ Amplifier B3 A-100

( Brand: Hammond ), ( Manufacturer Part Number: H-AO-28-5 ), ( Part Type: Tube Organ Amplifier ), ( Amplifier Type: Head )

Review HAMMOND Ao-28 Vintage Tube Organ Pre amplifier B3 Project

Introducing the Hammond H-AO-28-5 AO-28 Tube Organ Pre-Amplifier B3 A-100, a masterpiece of audio engineering that will transport you back to the golden age of music. This pre-amplifier is a meticulously crafted homage to the iconic Hammond B3 organ, offering a rich, full-bodied sound that is sure to captivate any music enthusiast.

The Hammond H-AO-28-5 AO-28 Tube Organ Pre-Amplifier B3 A-100 is a testament to Hammond's unwavering commitment to quality and authenticity. Featuring a stunning vintage design, this pre-amplifier boasts a sleek, retro aesthetic that will easily fit into any music studio or living room. The chrome-plated control knobs and leather-wrapped drawbars are not only visually appealing but also provide a tactile experience that adds to the overall enjoyment of playing this instrument.

Under the hood, the Hammond H-AO-28-5 AO-28 Tube Organ Pre-Amplifier B3 A-100 houses a powerful trio of 12AX7 vacuum tubes, which deliver a warm, rich, and round tone that is synonymous with Hammond organs. The pre-amplifier offers a wide range of tone shaping options, including adjustable drawbar settings, percussion, vibrato, and chorus effects. Each of these features can be fine-tuned to create a sound that is perfectly tailored to your musical style.

The Hammond H-AO-28-5 AO-28 Tube Organ Pre-Amplifier B3 A-100 is designed to be easily integrated into any music setup. It features a balanced XLR output, as well as a standard 1/4" headphone output, making it perfect for recording sessions or practicing in private. The pre-amplifier also includes a footswitch input, allowing you to control the percussion, vibrato, and chorus effects hands-free while playing.

In conclusion, the Hammond H-AO-28-5 AO-28 Tube Organ Pre-Amplifier B3 A-100 is an exceptional piece of audio equipment that offers a truly authentic Hammond organ experience. With its vintage design, powerful vacuum tubes, and wide range of tone shaping options, this pre-amplifier is a must-have for any organ enthusiast or music producer looking to add a classic sound to their repertoire.

1. Authentic Tube Sound: The tube pre-amplifier provides a rich, warm, and authentic sound that is characteristic of vintage Hammond organs.

2. Versatility: The pre-amplifier allows you to connect different types of speakers, giving you the flexibility to experiment with different sounds.

3. Control and Customization: The pre-amplifier offers various knobs and switches that allow you to customize the sound to your liking, including volume, tone, and percussion controls.

4. Durable Construction: The pre-amplifier is built with high-quality materials, ensuring that it can withstand regular use and last for many years.

1. High Price: The pre-amplifier is expensive compared to other pre-amplifiers on the market, which may be a deterrent for some buyers.

2. Maintenance Requirements: Tube pre-amplifiers require regular maintenance, including tube replacement, to ensure that they continue to function properly.

3. Limited Portability: The pre-amplifier is a large and heavy piece of equipment, making it difficult to transport to different locations.

The Hammond H-AO-28-5 AO-28 Tube Organ Pre-Amplifier B3 A-100 is a high-quality pre-amplifier that delivers a rich and authentic sound. Its versatility, control, and customization options make it a great choice for musicians and hobbyists who want to experiment with different sounds. However, its high price and maintenance requirements may be a drawback for some buyers. Ultimately, whether the pre-amplifier is worth the investment depends on your budget, needs, and preferences.

If you are a serious organist or musician who values a rich and authentic sound, then the Hammond H-AO-28-5 AO-28 Tube Organ Pre-Amplifier B3 A-100 is an excellent investment. However, if you are on a tight budget or prefer a more portable option, there are other pre-amplifiers on the market that may better suit your needs.

Details:

Tubes and other accessories/parts not included. Heres a vintage Hammond H-AO-28-5 tube organ amplifier in good condition. This unit has a blown filter cap and Hans't been tested so its being sold as-is. Also has great potential for a hi-fi or guitar conversion project.

This classic is part of what lend Hammond B3s and other model's their legendary gritty tone.

part #: hao285 prices

• $37.00-$2900.00

specifications guitoamps:

• brand: Hammond
• mpn: H-ao-28-5
• part type: Tube Organ Amplifier
• amplifier type: Head

offer guitoamps:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0
• started: June 5, 2024
• best offers: True

returns guitoamps:

• policy: No Returns

seller guitoamps:

• # reviews: 546
• rating: 100.0%
• city: North Hollywood, California

shipping guitoamps:

• type: Fixed
• transit: 7-12 Days
• class: Standard
• cost: $49.00
• service: Standard

general guitoamps:

• condition: Used
• Musical Instruments Gear > Guitars Basses > Guitar Amplifiers

payments guitoamps:

• credit card: Mastercard
• wallet: Apple-pay

Hammond H-AO-28-5 Is Similar To:

• Hammond Ao-21194-1 Vintage Rt Pedal Solo Unit Tube Organ Amplifier 1950s (59.3% similar) Tubes and other accessories/parts not included. For sale is a vintage Hammond AO-21194-1 tube amp' from an rt-series organ pedal solo unit in good condition...(June 6th, 2024)
• Hammond Ao-10a Vintage Tube Organ Amplifier Hi-fi Guitar Amp Project C 1950s (65.8% similar) Taken from a 1950S-ERA Hammond organ, this is perfect to replace your defective organ or as guitar hi-fi amplifier conversion project. Vintage Hammond AO-10A organ tube preamps in good condition. Tubes and other accessories/parts not included...(June 6th, 2024)
• Hammond Ao-68-1b Ao-68 Ao-64 Vintage Tube Organ Amplifier Guitar Amp Project 1960s (71.3% similar) Vintage Hammond AO-68-1B and AO-64-1 tube amplifiers in good condition. Tubes and other accessories/parts not included. Taken from a working K-100 series organ; sold as is. Shows normal cosmetic wear and tear throughout see photos. These units have serious potential as WiFi or guitar...(December 19th, 2024)
• Hammond H-ao-35-7 Ao-35 Vintage Tube Organ Reverb Guitar Amplifier Project (76.2% similar) Zs popular Carmen Gaia is actually a clone of this unit. This was taken from a working unit and is in good cosmetic shape, with some normal signs of use/age throughout see photos. Tubes and other accessories/parts not included. This is popular for guitar conversions, and Dr...(December 19th, 2024)
• Hammond Ao-15-c Ao-15 Vintage Tube Organ Amplifier Hi-fi Guitar Amp Project 1950s (69.2% similar) Great for your next guitar amp, hi-fi project or Hammond cab restoration. This was taken from a working unit and is in good shape overall, with some normal cosmetic signs of use/age throughout see photos. Heres a vintage Hammond AO-15-C amplifier that originally came from JR-20 tone cabinet the...(January 24th, 2025)
• Hammond H-ao-33-1 Lot Of 40 H-ao-33 h-ao-32 h-ao-15 Tube Amplifier (46% similar) $2200 for all lot of 40. Used 6V6/6BQ5/6SN7/12AX7/5U4/12BH7 tube...(June 28th, 2025)
• Utah Rvb-1 Vintage Rare Hammond utah Tube Reverb Amplifier Unit Model (39.4% similar) Due to its age and having tubes in the as I do not have a Mauriac power it up properly am selling as-is/for parts or repair. Comes as pictured. It has been sitting unused for many years...(July 4th, 2025)
• Hammond P-tgo-001 Mfg 1750 1760c Output Transformer Tube Guitar Amp (34% similar) Hammond transformer. 3.2, 8, 16 ohm sec. 5w o/p PRO 5/8K, sec 3.2/8/16 Hammond pn 1760C, slightly been used, watts amplifier type single ended. Hammond series. Secondary impedance ohms 3.2, 8, 16. Hammond product group transformers. Winding type bobbin...(July 14th, 2025)
• Hammond Ao-10 Preamp Rt-2 Organ Ao-21194-1 Solo Pedal Amp Type (42.3% similar) Item is being sold as is, has not been tested. Sold for parts...(July 29th, 2025)
• Hammond 1750e Output Transformer Tube Guitar Amp (33.1% similar) Hammond 1750E output transformer sold as shown 080825G28...(August 8th, 2025)
• Hammond H-ao-72-1 Organ Tube Percussion Amplifier Works 4 (50.4% similar) As a product from the renowned brand Hammond, it delivers exceptional sound quality and performance. The model H-AO-72-1 is known for its tube amplifier type, providing a warm and rich sound that ideal musical instruments like the Hammond organ. Hammond organ tube percussion amplifier H-AO-72-1...(December 4th, 2025)