Jackson Ampworks NewCastle 30 Amp Head - Black/Ivory

by Jackson Ampworks

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  • Jackson Ampworks NewCastle 30 Amp Head - Black/Ivory

    Like the original NewCastle, the NewCastle 30 is a simple tone machine that will cover everything from pristine British clean to straight up Rock and everywhere in between. The clean tones are rich and full of authority with sparkling highs that never become brittle or piercing. The low end was specifically designed to remain tight and punchy even when cranked so you’ll never lose definition when playing at loud volumes. The NewCastle 30 adds to the NewCastle’s tone with increased headroom and low end punch and clarity.

    Tonally the NewCastle 30 has an English heritage but is cleaner and more robust than many EL84 based amps. The NewCastle 30 is perfect for the player that uses a lot of pedals and wants an affordable clean platform to work from. In fact the NewCastle 30 remains clean up till around 2:00 on the Volume control and from there breaks up into the most musical overdrive you have ever heard!

    One of the best features of the NewCastle 30 is how well it cleans up when you roll the volume on your guitar down. With the NewCastle 30 you may find that you don’t need your overdrive pedals anymore as the volume control on your guitar acts like a gain control on the amp depending on how hard you play. In fact, you may find that your favorite setting is to leave the Volume up all the way on the amp and use your guitars volume to vary between your clean and dirty tones! Couple this with its very effective Tone control, and the NewCastle 30 can morph between pristine clean, hard rock and warm smooth jazz tones with ease!

    Simple Is Better.

    The NewCastle 30 is a lesson in simplicity. Someone once asked us, “What’s your secret to great tone?” Answer: “Use good parts, and use as few as possible.” That is what the NewCastle 30 is all about. The design was purposefully kept simple to make it easier to dial in and to keep your tone as pure as possible.

    During the design phase of the NewCastle 30 we spent many hours working with artists, producers and engineers and we used their feedback to help dial in the circuit so that the NewCastle 30 would work seamlessly with all types of guitars, pickups and effects and the extra effort was well worth it! The NewCastle 30 is a perfect go-to amp for players looking to capture great tone either live or in the studio!

    Special attention was paid during the design of the NewCastle 30 to guarantee that lack of headroom would never be a concern as is often the case with other 30W amps. To give as much power and headroom as possible, the power supply and output section were overbuilt to guarantee that the amp delivers every last bit of power possible out of it’s quartet of

    EL84’s! In addition to this, the NewCastle 30 features a Variable Power Supply which allows the high voltage of the amp to be seamlessly adjusted from 100% power down to 10% power with no tonal change at all. The only difference is how loud the amp is! The tone and dynamics stay the same and all the touch sensitivity you would expect from a tube amp remain constant but now at bedroom volumes!

    Along with the power amp section, the preamp has been designed to handle single coil as well as humbucker equipped guitars with ease and without becoming flabby in the low end, even when the amp is cranked!

    Try the NewCastle 30 yourself and experience its ease of use and pure rich tone, and we think you’ll agree that simple really is better!

    Fully Featured.

    The front panel features a single Input, Volume and Tone controls and the addition of a Power control. The Volume control acts as both a Volume as well as a gain control. The higher you run the Volume the more the amp will overdrive in response to how hard the player attacks the strings. The Tone control acts as a master tone control for the entire amp and works similar to the tone control on a guitar. Rotating the Tone control clockwise will increases the high-end response of the amp and conversely rotating the Tone control counter clockwise removes high-end response from the amp which helps when a darker tone is desired or with bright sounding guitars. The full clockwise position removes the Tone control from the amplifier circuit to keep your original tone as pure as possible.

    The Power control on the front of the amp is where you can adjust to total output of the amp. Not a master volume though! While the Power does control the overall volume of the amp it does so by varying the high voltage of the amp from full power, 30W Class A to 1/8W Class A. We suggest starting with the Power control at the 30W setting (fully clockwise) and adjusting lower as needed for the band or room you are playing in. Lower settings on the Power control will allow you to increase the Volume control for more gain while keeping the overall volume of the amp at a reasonable volume.

    Like the front panel, the back panel is kept very simple. There are two speaker out jacks with an impedance selector switch that provides outputs of either 8 or 16 ohms. Located next to that are the Power and Standby switches as well as an IEC module with an integrated fuse and a switch for selecting between 120V and 240V operation. With the NewCastle 30 you’ll never have to worry about traveling on the road since the amp is designed to work at all line voltages!

    To make the NewCastle 30 even more flexible, we have incorporated a series FX loop between the preamp and power-amp. Adding an FX loop here allows the player to use his/her effects in the loop and not interfere with the critical relationship between the guitar and preamp.

    Jackson Ampworks NewCastle 30 Amp Head - Black/Ivory  Features:

    • Front Panel Controls: - Input - Volume - Tone - Power

    • Rear Panel Controls: - FX Loop - Speaker Jacks - Impedance Selector (8/16) - Power - Standby

    • 30W Class A – 1/8W Class A

    • Mallory 150 Series Capacitors

    • (2) – 12AX7 Preamp Tubes

    • (4) – EL84 Output Tubes

    • Cathode Bias

    • Custom Wound Overspec Power and Output Transformers

    • Laser Engraved Stainless Steel Panels

    • Carbon Film Resistors

    • Genuine Carling Switches

    • 13 Ply Baltic Birch Cabinet with Dovetail Joints

    • Anodized Aluminum Chassis

    • Switchable 120V/240V Operation

    • Genuine Neutrik Jacks


  • We want you to feel confident with your Prymaxe purchase, which is why when you purchase a new or demo (like new/gently used) product from us, you are automatically enrolled into our FREE Two Year Warranty.* 


    What is covered:

    • Brand new (non-clearance) and demo (like new, gently used) products that have been purchased within the last two years
    • Products that malfunction under normal use
    • Cost of repairs


    What is NOT covered:

    • Used (non-demo), vintage, and clearance products
    • Products purchased more than two years ago
    • Cost of shipping both ways
    • Items with clear signs of abuse (up to Prymaxe’s discretion)


    * We reserve the right to end this promotion at any time.


  • When you place an order at Prymaxe, you can rest assured that your item will be carefully packaged. Our shipping team is dedicated to making sure your item arrives in perfect condition and on time.

    All in stock orders placed before 2pm EST will ship same day and all orders placed after the cutoff will ship the next business day*. If you need an order immediately, please let us know and we’ll try our best to accommodate your request.

    * Our same day shipping policy may be temporarily suspended during a sale or if you pay with Affirm. Rest assured, we will do everything we can to get your order out as quickly as possible. Please call us at 1-855-PRYMAXE if you are placing an overnight order and need it to go out immediately.


    Domestic Shipping
    Most orders shipping within the US will ship via USPS or FedEx and are fully insured, we also offer express options if you need an item within 24 hours. All tracking numbers will be sent via email after the item is shipped. If you did not receive your tracking number please feel free to call or email us. 

    All US Orders Ship for FREE

    International Shipping
    We love and truly appreciate all of our International customers. All of our international shipments are fully insured and are guaranteed to be delivered or your money back. We offer a variety of shipping options for you to choose from and if for any reason there is an issue with your order we will make it right, that is our promise you. 

    Pre-Order Shipping: 

    Pre-Orders typically ship with 2 weeks. In the event a product is backordered we will contact you with an exact shipping timeframe. 

    Smaller items will ship USPS First Class. 

    USA shipping only for Vox, Korg, Voodoo Lab, MXR, Dunlop, Way Huge, Barber Electronics, Music Man, Tech 21, Fender, Marshall, PreSonus, Source Audio, and Strymon.

  • If you would like to return an item, please use the return widget at the bottom of this page to look up your order and start the return process. If you need assistance, or if the widget is not working for you, please email us at sales@prymaxe.com with our order number and reason for return.

    45-Day Satisfaction Guarantee

    If you are not 100% satisfied with your purchase, you can return it within 45 days of the original purchase date for a full refund. If an item is not received by us within the 45-day window, the package will be refused. All new items returned must be in BRAND NEW condition with zero signs of wear or use and must be returned in the original packaging with ALL materials (free/bundled items -- must be unused/unopened, warranty cards, plastic, pouches, manuals etc.). Demo (Like New/Gently Used) items must come back in the same condition they were sent to you, with all included materials, if applicable.

    Our 45-Day Satisfaction Guarantee covers brand new and demo (like new/gently used) products only -- it does not cover used and clearance products (see below). It also does not cover items in the “What is NOT Returnable” list below. Please note: All actual shipping fees paid by Prymaxe will be deducted from your refund. This includes orders that qualified for free or subsidized shipping. Return shipping must be paid by the buyer. If you received a defective or incorrect item, please see our FAQ section below.  


    * Prymaxe reserves the right to define abuse of the return policy on a case by case basis and consequently refuse subsequent return requests by said abuser and place them "All Sales Final".


    Used and Vintage: 

    All Used and Vintage items come with a 48 hour approval period. Please contact us directly at sales@prymaxe.com within 48 hours of receiving your product for us to set up a manual return for you. Be sure to include your order number and reason for return in the email. All Used/Vintage items must be returned in the same condition they were sent to you in, as well as include all materials that came with it.

    What is NOT Returnable:

    • Accessories (this includes all pickups, strings, picks, pedalboards, tuners, expression/volume pedals, etc.)
      • However, if you received accessories with the product as part of a bundle, the accessories must be returned with the product, and they must be unused and unopened
    • Clearance Items (Clearance items are clearly marked with "CLEARANCE" in the title)
    • Special/Custom Orders

    Return Instructions:

    All returns should be insured by the buyer and sent via UPS, Fedex, or USPS with tracking. Please do not write on or attach tape or labels to the product box -- use a packing box to return the product. Attach a shipping label with the RA number onto the shipping box.



    When will I get my refund?

    Once your return is received by us, your refund will typically be processed within three business days. It typically takes a few business days for all credit card refunds to be processed and reflected on your statement. This means it will take a few extra days for your refund to show in your account after your return is processed. Please note: All actual shipping fees paid by Prymaxe will be deducted from your refund. This includes orders that qualified for free or subsidized shipping. Return shipping must be paid by the buyer. If you received a defective or incorrect item, please see the next question.  

    What if I receive a defective or incorrect item?

    If a product is defective upon arrival, or the wrong item was received, we will send you a replacement/the correct item, and all the shipping fees will be covered by us. For defective items, Prymaxe reserves the right to refuse the return if we determine the reason for the unit failing was not covered under the warranty (i.e., if the item was damaged due to user fault or error). If you feel your item was damaged in shipping, please take plenty of pictures of the damaged box and item and immediately contact us so we can open a claim with the shipping company.

    Please be very diligent with testing your defective item. Be sure to try other guitars, power supplies, cables, and amps. We also request that you take a video of the item not working. If we receive your item, test it, and find it to be working, we will give you a refund minus the cost of shipping both ways.

    When will I get my replacement item?

    If a defective or incorrect item was sent to you, we will send out the replacement as soon as we get the defective/incorrect item back and approve/process the return (typically within three business days). If we do not have the replacement in stock, we will issue a full refund. If you need the replacement to be sent out immediately, please place a new order, and when we get the defective/incorrect item back, we will issue a full refund of the original order.

    When must I ship my return?

    Your return must be received by us within 45 days of the original purchase date. This means you must ship your return with enough time for us to receive the package within 45 day deadline. If it does not arrive within 45 days, we will refuse the package. If you feel you sent the package within a reasonable time frame, but it arrived late due to the shipping company’s error, please immediately contact us to make an appeal before we refuse the package.

    What if I pre-ordered an item?

    Even if you pre-ordered an item, we must still receive it within 45 days of your order date in order to give you a refund, so please only pre-order items you plan to keep. If your pre-ordered item arrives defective, you will have a 48 hour period to contact us for a replacement.

    Why was my package refused?

    There are a number of reasons your package could be refused by us, including:

    • It was a new/demo item received outside of the 45-day window
    • It was a clearance, accessory, or other non-returnable item
    • The package is missing items that were included in the original shipment
    • The item shows signs of wear
    • The original product box was damaged or written on/the item was not packaged in a separate shipping box

    Why is the widget not letting me return my item?

    If you have a valid reason for returning/exchanging a product that is within our return policy, but the widget will not let you start the return process, please contact us directly at sales@prymaxe.com with your order number and reason for return.

    Returns Widget

    Use the widget below to look up your order.

    If your order is not found, please make sure you added the number sign (#) in front of it.

    If your order is still not found, please email us at sales@prymaxe.com with your order number and reason for returning so we can create a manual return for you.