Pricing and availability
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Average Price: $200
Standard/Professional
$100
$251+
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Based on price data from 5 merchants for "Walrus Audio ARP-87". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Introducing the Walrus Audio ARP-87, a compact and feature-rich delay pedal known for its wide spectrum of inspirational delay tones. This versatile device offers four main algorithms - digital, analog, lo-fi, and slap back, each presenting a unique echo experience.
The Digital algorithm delivers pristine and crystal clear repeats, ideal for rhythmic riffs, while the Analog setting adds warmth and dimension to your chords and lines without being intrusive. The Lo-Fi algorithm, with its adjustable frequency range on the repeats, can range from warm, warped and murky, to straight AM radio. Lastly, the Slap setting makes it effortless to dial in a great slap back echo perfect for smoking chicken pickin’ runs.
The X knob, a unique and innovative feature, changes functions depending on the chosen Algorithm. It adjusts a specific parameter in each algorithm. In Digital, Analog, and Slap modes, the knob will control modulation depth. In Lo-fi mode, the knob will control Filter width.
The Walrus Audio ARP-87 provides endless creative opportunities with other features like smart bypass switching, momentary knob ramp, and the ability to run in trails or no trails mode.
Key Features:
- Four main algorithms: Digital, Analog, Lo-Fi, and Slap
- X knob adjusts a specific parameter in each algorithm
- Smart bypass switching
- Momentary knob ramp
- Trails/No-trails modes
- Tap tempo function
- Maximum delay time: 1000 ms
- Power requirements: 9VDC (100mA minimum)
- External tap switch input
- True bypass
- No battery operation possible, isolated power supply recommended (not included)
- Comes in a Frosted Charcoal finish with original artwork by Chris Castro
Product specs
| Pedal Type | Delay |
| Analog/Digital | Digital |
| Effects | Digital, Analog, Lo-fi, and Slap Back |
| Max Delay Time | 1000ms |
| Tap Tempo | Yes |
| Inputs | 1 x 1/4" |
| Outputs | 1 x 1/4" |
| Other I/O | 1 x 1/4" (tap input) |
| Bypass Switching | Buffered |
| Power Source | 9V DC 100mA power supply required (sold separately) |
| Height | 1.39" |
| Width | 2.6" |
| Depth | 4.77" |
| Weight | 0.79 lbs. |
FAQs
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What types of delay modes does the Walrus Audio ARP-87 offer?
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The Walrus Audio ARP-87 features four delay modes: Digital, Analog, Lo-Fi, and Slap. Each mode provides distinct tonal characteristics, allowing for a wide range of delay effects.
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Is the Walrus Audio ARP-87 suitable for both guitar and bass?
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Yes, the Walrus Audio ARP-87 is versatile and works well with both guitar and bass, offering rich delay textures suitable for various musical styles.
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What are the power requirements for the Walrus Audio ARP-87?
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The Walrus Audio ARP-87 requires a 9V DC power supply with at least 100mA of current. This is a standard requirement for many guitar pedals.
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Can the Walrus Audio ARP-87 be used with an effects loop?
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Yes, the ARP-87 can be effectively integrated into an effects loop, providing clear and dynamic delay effects in your signal chain.
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How does the tap tempo function work on the Walrus Audio ARP-87?
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The ARP-87 features a tap tempo function that allows you to set the delay time by tapping the footswitch, enabling real-time tempo adjustments during performances.
Videos
Rabea Massaad
Walrus Audio | ARP 87 Multi Function Delay
Reviews
PROS
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Versatile delay options, suitable for various music styles
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Intuitive and user-friendly interface
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High-quality, creative lo-fi setting highly praised
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Excellent build quality and sound fidelity
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Features like tap tempo and momentary functions enhance live performance
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Complementary premium protective bag for safe storage
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Responsive and commendable customer service from manufacturer
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Unique hidden mode adds tremolo effect to repeats
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Compatible with both electric and acoustic setups
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Compact design fits easily on pedalboards
CONS
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Tap tempo can be inconsistent and require multiple taps
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Limited distinction between Digital and Analog modes
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Slapback mode considered unnecessary by some
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Lack of a dedicated time knob limits on-the-fly adjustments
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Some users find it challenging to achieve subtle delay effects
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Extra modulation control desired for enhanced versatility
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Walrus Audio ARP-87.
Features and functionality
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The ARP-87 lacks a dedicated time knob, which may be a drawback for those accustomed to having one on other delay pedals.
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One of the ARP-87’s standout features is the second-function footswitch, providing additional flexibility in sound manipulation.
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The ARP-87's tap division knob, when set to eighth note, defaults the delay time to around 340-380 ms, a useful setting for lead players.
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Holding the bypass switch maximizes the 'X' knob, usually modulation, enabling quick access to intense modulation and infinite repeats.
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The mode knob on the ARP-87 could have been a switch for better usability, according to user feedback.
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Comparisons
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Owners have observed that the ARP-87 is less punchy compared to other delays, making it less ideal for those seeking prominent delay effects.
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The ARP-87 sits well in a mix but may not offer as much utility or variety as higher-end models like the Strymon Timeline or Boss DD-500.
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Unlike the Kilobyte's havoc switch, the ARP-87's maxed 'X' knob sounds cleaner, offering different tonal characteristics for modulation-heavy sections.
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Owners note that while the ARP-87 is fun for ambience and lofi, the Keeley Halo is favored for typical delay sounds and overall performance.
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Use cases and applications
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The ARP-87 excels in ambient and shoegaze music styles, with features like infinite feedback and full modulation to create complex soundscapes.
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The ARP-87's Lofi algorithm, with its heavy modulation, inspires spacey playing styles, ideal for ambient soundscapes.
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The ARP-87 is appreciated for its analog mode with minimal modulation, primarily to add subtle depth to guitar tones.
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User experience
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Some users report that the ARP-87’s modes can be subtle, requiring a keen ear to notice differences, which may not satisfy those seeking dramatic tonal shifts.
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The hidden fifth mode can initially confuse new users, as it may seem like the pedal is malfunctioning if not set correctly.
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Some users find the tap switch unresponsive, occasionally failing to register inputs accurately during performance.
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Even at maximum settings, the ARP-87's repeats aren't infinite, which might not satisfy those seeking endless feedback.
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Critic Reviews
4.5 out of 5
Based on 6 Reviews and 36 Ratings
184
good sound, stupid controls
no time control was the first thing that threw me off. the settings are nice but man its really hard to dial in what you want. its unique, landscape-y but seriously i wish i bought a boss DD-8 or something else instead. its not "bad", just really annoying. it's just not for me and i will sell it and buy another. please just make sure you can use the controls right before buying it so just try it out
659
Great but not perfect
I came back to this pedal after being mesmerised by the Fathom, Walrus' reverb pedal of a similar ilk. While I'm still blown away by the sound, I'm not as impressed with it as I am with the Fathom. Nothing to do with the sound really (although I will say that there's not really enough difference between the Digital and Analog modes to warrant them being separate modes); the digital is nice and pristine, and the LoFi mode is unique and incredible for everything from ambient nonsense to adding some character to more rhythmic stuff. That both switches have additional hold functions (one ramps up the repeats, and one ramps up the X knob) is also a great feature, one that is slightly eclipsed by TC's Mash function, but is still cool nonetheless. There are a few problems, though, that are worth mentioning. The biggest issue is that of the tap tempo switch, which is INCREDIBLY unruly. It seems you need five or six taps before it registers, and even then, sometimes I find it dials in a quarter note no matter which Subdivision I've got it set to. I don't know whether or not this is the case on every Arp, but I know I'm not the only one with an Arp like this. Getting used to those extra taps is the only answer I can see, and it's not an issue for me at the moment as I'm just recording stuff, but this sort of thing won't fly once I'm back to playing shows; we'll see when I get there whether or not it's enough for me to seek an alternative.
Other minor (but worth mentioning) gripes include: - The Slapback mode. I'm sorry, but it's pointless; add a few extra short subdivisions like 16th, and put the secret 5th delay on that last program position. - To that end, more subdivisions would be nice as well; if you're going to do away with a time knob (which I'm actually fine with), you should really substitute that with more control over what the tap results in! - I'm finding it hard to dial in a delay sound that's subtle but still noticeable, a-la David Gilmour (apart from in the secret mode, which as far as I can tell is an interesting delay-tremolo kind of thing that swells in the attack). I either get 'not enough to warrant turning on the pedal', or I get too much of the note of the attack to make it useful for anything other than rhythmic stuff. I have a Boonar that I use for this sound, so it's not a deal breaker for me, and I'm sure a combination of the tone and level controls will take you there, but this is a very bread-and-butter application for delay that should be easy to get right. - The simplicity of this pedal's design is one of its greatest assets, but an independent knob to control the modulation would be nice. Mostly because this would allow you to control the modulation in the LoFi setting, but also because it would allow the X knob to do some really interesting stuff with the other modes and make the pedal stand out a little more (I would LOVE a bit-crush style effect on the analog mode, for instance).
This has been a very negative review, but I should stress that I'm (mostly) happy with this pedal. It sounds great, it's at a fairly reasonable price point, and I'm a real sucker for Walrus' pedal artwork. But I do have gripes; the gripes don't bother me much, but they're worth putting out there.
118
Picked it up - love it, but it does have its quirks. (EDIT: 2024)
I swapped my old Amptweaker Fat Metal Pro for this, as I was in need of a delay quite badly. Firstly the artwork caught my eye, and I couldn't get it out of my head and after playing it in the testing room I absolutely love it.
It has so much stuff thrown into it, so it's definitely a device to play with and explore. Has a few quirks (the infinite setting occasionally pops when I let my foot of the tap tempo so it isn't as forgiving with the spacey mad jams as I'd like) but this is definitely a pedal I'd recommend checking out!
EDIT 2024: Recently moved back to using pedals and amps again in my bands live rig after going direct for so long - Grabbed my old ARP that I had in storage and I've not enjoyed a delay pedal more. My favourite delay, bar non.
77
Best Delay
This is my favorite pedal that I have. It's obviously not the most complicated delay pedal ever but it works well, it's high quality (sound and build) and it has just enough features. It has 4 main algorithms and one hidden algorithm, and a modulation effect which makes it insanely trippy. it also looks sick. buy it
99
Excellent
I mainly use the Lo-Fi setting, adds some really cool vintage sounds to your playing
126
Game changer.
I couldn't believe how useful this pedal was when I first got it. I love all of it's settings, and find the x control to be super useful. I also appreciate the small form factor.
Artist usage
Add artist
Mateus Asato going through his pedalboard set up. At 12:04 he goes through his signal chain and you can see that he has the ARP-87, Julia Chorus and the Slö Reverb by Walrus Audio. https://youtu.be/-zU_dZddiDE?t=724
A Walrus Audio ARP-87 Delay can be seen in this photo of Ariel's pedalboard from his Facebook page.
In an Instagram post, Peter Honoré showcases the Walrus Audio ARP-87 delay pedal while preparing for a Guitar Breaks event, indicating its inclusion on his pedalboard.
The Backseat Lovers showcased their use of the Walrus Audio ARP-87 Delay Effects Pedal in an Instagram story photo.
Shot of Todd Gummerman of Mutemath / Twenty One Pilots pedalboard, featuring the Walrus Audio ARP-87 Delay. https://www.instagram.com/p/BZrkWk_gpoa/?utm_source=ig_embed&ig_rid=f393d0ac-1cde-4f20-b785-3afa42698e1a
Dan from Four Years Strong playing the ARP-87 here (https://www.instagram.com/p/BsjhH66H3uz/), along with the Warhorn, Julia, Voyager and the Descent from Walrus Audio.
In the YouTube video titled "Tommy Guerrero Sunset Live Session at Uluwatu Surf Villas - Bali, Indonesia," uploaded by Island Brewing, Tommy Guerrero is seen using a Walrus Audio ARP-87 delay pedal. A close-up of his pedalboard, where the ARP-87 appears as the final pedal in the chain, can be observed at approximately 12:28. Throughout the video, Tommy Guerrero taps the tempo on the pedal using the foot switch located where the ARP-87 tap tempo foot switch is situated. Additionally, a Walrus Audio logo is visible on the pedal.
Pedalboard shot featuring the Walrus Audio Phoenix Power Supply, ARP-87, Fathom and the Messner. https://www.instagram.com/p/BmRPJ7kARfE/
Genre Usage
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Used With
Based on how musicians on Equipboard use Walrus Audio ARP-87, it is most commonly used with the following gear.
Community setups
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