
AMT1A Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $10.00 | Condition is New, ESS 412T, AMT-1, AMT-1A, AMT-1B Speaker Foam Surround - F12-Bulk-04, shipping cost = $4.99 | ![]() |
![]() | $6.38 | Condition is New, ESS Heil AMT-1a Speaker Logo Badge Emblems 48mm(1.89")X15.8mm(0.62") GOLD, shipping cost = $9.80 | 99.7% |
![]() | $16.99 | Condition is New, Replacement 12" Foam Surround For ESS AMT 1A, 1B, 1C, 1D, 5, 6 Woofer Edge Repai, shipping cost = $6.99 | 98.8% |
![]() | $18.85 | Condition is New, ESS 412T, AMT-1, AMT-1A, AMT-1B Speaker Foam Surround Repair Kit - 2F12-04, shipping cost = $5.99 | ![]() |
![]() | $26.10 | Top Pick! Condition is New, ESS Speakers 12" AMT 1A,1B,1C,1D,5,6, Woofer Foam Edge Repair Kit # FSK-12F, FREE SHIPPING | ![]() |
![]() | $29.66 | Condition is New, ESS AMT1A 12" Woofer Foam Kit - Speaker Repair w/ Dust Caps!, FREE SHIPPING | 99.9% |
![]() | $44.10 | Top Pick! Condition is New, ESS Speakers AMT1 A,B,C,D 12" Passive Radiator Replacement Repair Kit # PASK-12, FREE SHIPPING | ![]() |
![]() | $49.00 | Top Pick! Condition is New, ESS Speakers AMT1 A,B,C,D 12" Passive Radiator Replacement Repair Kit # PASK-12, shipping cost = $11.95 | ![]() |
![]() | $65.66 | Condition is New, ESS AMT-1A Speaker Repair Refoam Kit 12" Passive Radiator & 12" Woofer w/ Caps!, FREE SHIPPING | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.99 | Top Pick! Condition is Used, ESS Heil Air Tweeter Ad,1974, color, Article,amt1a,3,4, shipping cost = $3.00 | 99.5% |
![]() | $9.99 | Condition is Used, ESS AMT-1a Speaker Review, 3 pgs, Full Test, 1976, Info, shipping cost = $3.00 | 99.5% |
![]() | $9.99 | Top Pick! Condition is Used, ESS amt-1a Speaker Ad, 1976, 2 pages, Article, Info, Very Rare!, shipping cost = $3.00 | 99.5% |
![]() | $12.95 | Condition is Used, 1975 ESS Heil AMT 1A Speaker 2-Page Color Magazine Ad, FREE SHIPPING | 100.0% |
![]() | $10.99 | Top Pick! Condition is Used, ESS Heil Air Ad, 1978, 1 page, amt-1a, Article, Frame it!, shipping cost = $3.00 | 99.5% |
![]() | $14.99 | Condition is Used, 1 original tweeter control knob from ESS AMT1A speaker, shipping cost = $17.05 | 99.8% |
![]() | $14.99 | Condition is Used, 1 original midrange control knob from ESS AMT1A speaker, shipping cost = $17.05 | 99.8% |
![]() | $29.99 | Condition is Used, Vintage 1970's Brochure ESS Speakers AMT 1A, shipping cost = $7.99 | 99.8% |
![]() | $29.99 | Condition is Used, 2 Vintage 1970's Brochures ESS amt 1A Monitor Biamp System & Bookshelf Speakers, shipping cost = $7.99 | 99.8% |
![]() | $120.00 | Condition is Used, ESS HELI AMT1A SPEAKER NETWORK, FREE SHIPPING | 98.6% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.95 | Condition is Unspecified, ESS Heil AMT-1a Speaker Badge Logo Emblems, FREE SHIPPING | ![]() |
![]() | $9.95 | Condition is Unspecified, ESS Heil AMT-1a Bookshelf Speaker Badge Logo Emblems, FREE SHIPPING | ![]() |
![]() | $29.08 | Condition is Unspecified, ESS AMT-1a , AMT 5, 5b, HD-1200, AMT-12 SPEAKER REPAIR KIT- 15% SHIPPING REFUND, shipping cost = $32.60 | 99.3% |
![]() | $50.90 | Condition is Unspecified, ESS AMT - 1a, b, c, d , PS-1220 SPEAKER REPAIR KIT -USA- 15% SHIPPING REFUND#, shipping cost = $33.25 | 99.3% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $4.49 | Condition is , ESS - AMT 1a Speaker - Original Magazine Ad -, shipping cost = $3.95 | 100.0% |
![]() | $4.49 | Condition is , Ess - AMT-1a Speaker - Original Magazine Ad -1976, shipping cost = $3.95 | 100.0% |
![]() | $4.49 | Condition is , ESS - AMT-1a Speaker - Original Magazine Ad - 1976, shipping cost = $3.95 | 100.0% |
![]() | $5.99 | Condition is , Ess - AMT-1a Speakers - Original Magazine Ad - 1975, shipping cost = $3.95 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $175.00 | Condition is For parts or not working, PAIR ESS AMT 1a 12 Speakers Woofers, shipping cost = $65.50 | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $20.79 | Condition is Neu, Ess Amt 1a Monitor High Quality Foam Speaker Surround with Warranty 310, shipping cost = $16.16 | 99.3% |

The Ess AMT1A Tweeter Control Knob Speaker is a high-performance component designed to provide precise control over the treble output of your audio system. This knob is specifically engineered for use with the AMT (Air Motion Transformer) tweeters, which are renowned for their exceptional clarity and detailed sound reproduction.
The Ess AMT1A Tweeter Control Knob Speaker is constructed using only the finest materials and advanced manufacturing techniques. The knob itself is made from high-quality aluminum, which not only looks great but also ensures a solid and stable construction. The knob features a smooth, ergonomic design that makes it easy to adjust, even in the dark.
The control mechanism of the Ess AMT1A Tweeter Control Knob Speaker is equally impressive. It utilizes a variable resistor, which provides a continuous adjustment range, allowing for fine-tuning of the treble response to suit your specific listening preferences. The resistor is designed to have a low impedance, ensuring minimal signal loss and maximum signal integrity.
The Ess AMT1A Tweeter Control Knob Speaker is also designed to be easy to install. It features a standard 1/4-20 threaded shaft, which is compatible with most AMT tweeter mounting arrangements. The shaft is also adjustable in length, allowing for flexibility in installation configurations.
In summary, the Ess AMT1A Tweeter Control Knob Speaker is a high-quality component that offers precise control over the treble output of your AMT tweeter-based audio system. Its durable construction, smooth design, and easy installation make it an excellent choice for audiophiles and music enthusiasts who demand the best sound quality from their systems.
Buying the Ess Am t 1A Tweeter Control Knob for your speaker system can offer several benefits and drawbacks, depending on your specific needs and preferences. Here are some potential pros and cons to consider:
Pros:1. Adjustable treble response: The tweeter control knob allows you to adjust the treble response of your speaker system according to your preference or the acoustic characteristics of your listening environment.
2. Improved sound quality: By fine-tuning the treble response, you can achieve a more balanced and accurate sound reproduction, resulting in improved overall sound quality.
3. Customizable listening experience: The ability to adjust the treble response enables you to create a personalized listening experience, tailored to your individual tastes and preferences.
4. Versatility: The Ess Am t 1A tweeter control knob is compatible with a wide range of speaker systems, making it a versatile option for audiophiles and music enthusiasts.
Cons:1. Additional expense: The Ess Am t 1A tweeter control knob is an additional accessory that requires an investment, which may not be within everyone's budget.
2. Requires calibration skills: To achieve optimal results, it's essential to have a good understanding of equalization and calibration techniques to ensure accurate adjustments.
3. Potential for over-adjustment: Adjusting the treble response too much can result in an unpleasant sound, which may be counterproductive. Finding the right balance is crucial.
Conclusion:The Ess Am t 1A tweeter control knob offers several advantages for audiophiles and music enthusiasts seeking to fine-tune their speaker system's sound quality. Its adjustable treble response enables a more personalized listening experience, improved sound accuracy, and better sound quality overall. However, it comes with an additional expense and requires a certain level of expertise to use effectively. Ultimately, whether or not the Ess Am t 1A tweeter control knob is the right choice for you depends on your individual needs, preferences, and budget. If you're willing to invest in a high-quality accessory that can significantly enhance your listening experience and have the necessary skills to use it effectively, then the Ess Am t 1A tweeter control knob may be an excellent addition to your speaker system. If not, it may be worth exploring other options that better fit your budget and skill level.
Details:
1 original tweeter control knob from Ess AMT1A speaker. Used with a few small nicks.
specifications vintaspeaker:
- brand: Ess
- mpn: Amt1a
- part type: Tweeter Control Knob Speaker
- modified item: No
returns vintaspeaker:
- policy: no returns
payments vintaspeaker:
- credit card: diners-club
- wallet: google-pay
- other
general vintaspeaker:
- category: Electronics > Audio Video > Vintage Speakers
offer vintaspeaker:
- prices: $14.99–$175.00
- item condition:
- New
- Used
- Unspecified
- For parts or not working
- Neu
- availability: in stock
- options: ship-to-home
- in stock #: 5
- sold #: 11
- started: october 19, 2025
seller vintaspeaker:
- city: jacksonville, florida
- rating: 99.4%
- # reviews: 12448
shipping vintaspeaker:
- transit: 4-10 days
- class: expedited
- carrier: usps
- service: usps priority mail
- type: calculated





























