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The Pettyjohn IRON MKII is a full re-work of our classic medium gain overdrive. Below is a deep-drive into the features of the IRON MKII.
All New EQ
We sharpened our pencils and set out to improve one of our favorite pedals. We decided to start by vastly increasing the frequency range of the pedal. The original circuit had a decent amount of built-in filtering and relatively limited tone shaping tools, which in some rigs could be too dark. We redesigned the whole pedal for full audio frequency response, 20Hz to 20kHz. To compensate for this extra range, we added our signature wide-range sweepable Low and High cuts, giving the user complete control over the tone!
The LOWS control sweeps at 6dB per octave from sub frequencies to 1kHz allowing the user to precisely set the low-end profile. Furthermore, the low cut is pre-overdrive stage so the way it is set greatly impacts the way the overdrive circuit loads and clips.
The HIGHS control is a similar sweep from the other side of the frequency spectrum ranging from 20kHz down to 1kHz. The HIGHS control utilizes a genuine Orange Drop capacitor that has been selected for its classic, smooth tonal qualities, i.e. MOJO!
We also offer a custom shop modification to the HIGHS control which give several other “flavors” by exchanging this Orange Drop capacitor for other types of capacitors. Tune your highs to be more clean and punchy with the WIMA MKP10 mod or more transparent and open with the Audiophile mod. These mods have a subtle but noticeable effect on the tone and feel of the highs, especially at higher overdrive levels.
More to Gain
We also expanded the gain range making the IRON MKII much more versatile. The lower gain range has been extended, giving more settings akin to preamp or clean boost without overdrive. The GAIN control now tops out with almost 2x the original gain amount!
With the greatly extended controls and gain range the IRON MKII can satisfy almost player in a wide range of applications. Whether looking for an always-on low-gain sweetener, fully overdriven, thick rhythm playing chords or soaring, classic leads this pedal has something for everyone. Through much toil we believe we have taken this pedal to the next level both sonically and functionally.
We have also updated the IRON MKII with our new proprietary dual rail power supply offering an industry leading 36 Volt swing from a 9V, 200mA standard adaptor. As far as sound quality goes, high voltage means high headroom, and 36v is the maximum level most opamps are designed to operate safely at so the high quality opamps are operating at maximum potential.
High headroom and high voltage imparts an openness and 3D quality to the sound that sounds amazing and just feels great while playing. Now everyone can have the tonal experience of high headroom when they plug in the pedal, without the need for a special adaptor. There is also an internal switch to reduce the power rails to a cool 20 Volts, offering a bit more sag and vintage vibe for players who love that sound!
Continuing the trend we started with the CHIME MKII, we have replaced the mini toggles with mini pots for extended sonic control. Now you can use the CLIP mini pot to blend between lower headroom Silicon diodes and a pair of Red LED with higher headroom before clipping to accomplish the perfect amount of saturation and drive at any gain setting.
Use the internal switch to change the silicon (SI) settings from asymmetrical (lifted from the IRON V1) and symmetrical silicon diode for even lower headroom and more grit.
Further dial your clipping tones by selecting from our two new clipping mods. The Fuzz Head mod offers Germanium diodes or slam in some brand new quantum tech with the Nanolog N2! It gives tube-like, smooth distortion from a unique solid-state device based on vacuum-deposited Carbon. Designed to be used in place of the usual silicon or germanium diode pair, the N2 is like having a pair of vacuum tube diodes in the loop offering dynamic, open, and warm tones. Want to nerd out more? Check out the full spec of the Nanolog’s N2 device.
All New Clean Mix
We fully re-designed the CLEAN mix circuit on the IRON MKII. The control is now on the lower mini pot and well marked. When it is OFF, there is no clean mix active. As you roll the pot clockwise towards MIX setting it effectively pushes a fader up on a parallel clean signal. Blend in until the feel is just right, perfect for adding organic tone and feel to the overdriven signal or thicken a clean boost signal.
This feature really comes in handy when using the IRON MKII as a second or third stage drive, as using the clean mix allows the character of the previous overdrive pedals to still come through while also adding the overdrive of the IRON MKII in parallel. This helps avoid the “clamped” or “constricted” sound many people experience when stacking drives.
Quiet Bypass Switching System
The IRON MKII comes with our new relay based true bypass circuit with soft touch switch. We have had many requests for this and after a deep research and development cycle have designed a relay circuit which mets our demanding quality standards. We are very proud of our unique design accomplishing a totally quiet switch via a sonically transparent gold contact relay. It auto-bypasses when the power is disconnected, never leaving you in the dark!
Hardwire, classic true bypass is available via custom order options above for players wanting looper operation, however, this option does not offer a soft switch nor our quiet switching system.
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All in stock orders placed before 1pm 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.
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.
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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-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 Barber Electronics, Boss, Darkglass, Dunlop, DryBell, EarthQuaker Devices, Eventide, EVH, Fender, Gretsch, Korg, Marshall, Music Man, MXR, PreSonus, Quilter, Roland, Schecter, Shure, Source Audio, Way Huge, Tech 21, Vertex, Voodoo Lab, Vox, Wampler.
What if my package gets stolen?
Please note: We are a small, family owned business. While we want to make sure you are satisfied with your purchase, we would like to try to limit the amount of returns as much as possible. This helps both us and the customer save time and money. If you are unsure about a product, please contact us before you complete the purchase, and we'll do our best to find the item that will best suit your needs. 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".
Last Updated: March 27, 2018
If you are not 100% satisfied with your purchase, you can return it within 45 days of the original purchase date for a store credit refund, or within 14 days of the original purchase date for a refund to the original purchase method (PayPal, credit card, etc). 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.). We reserve the right to charge an up to 15% restocking fee on any opened guitars, amps, or keys being returned.
Our 45-Day Satisfaction Guarantee covers brand new 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.
All Used and Vintage items come with a 48 hour approval period. Please contact us directly at email@example.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.
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 (these will be refused) -- use a packing box to return the product. Attach a shipping label with the RMA number onto the shipping box. Packages without a valid RMA number on the outside of the box will be refused.
To request an RMA number, please call us at 1-(855)-PRYMAXE (779-6293) (International Customers, please use 1-(908)-272-2990) during our normal business hours (Monday - Friday, 10 AM - 6 PM Eastern, excluding federal holidays).
When will I get my refund?
Once your return is received by us, your refund will typically be processed within 10-15 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. Store credit refunds will be given in the form of a e-gift card which will be available for immediate use after it is emailed to you. 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, all the shipping fees will be covered by us and we will give you a store-credit refund on the original order. 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 must I ship my return?
Your return must be received by us within 45 days of the original purchase date for store credit, or postmarked by 14 days for a refund to the original purchase method (PayPal, credit card, etc). This means you must ship your return with enough time for us to receive the package within the 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?
If a pre-ordered item arrives outside of the 45 day window from when you ordered it, you will have 7 days from the arrival date to send it back for store credit.
Why was my package refused?
There are a number of reasons your package could be refused by us, including:
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