Casio PT-1

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$10.75 to $59.17 Price Tier: Budget

5.0 (5)

1 Critic Review

2 Reviews

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1 community setup

2 wishlisted

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Page last updated Jun 12, 2026

Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated June 12, 2026.

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Price

$10.75

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4.0 (5)

$59.17 11 available Used

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Average Price: $35

Budget/Beginner

$100

$601+

Price Tier

In the Portable & Arranger Keyboards category, Casio PT-1 is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

Budget

Standard

High-end

Price History

Based on price data from 1 merchant for "Casio PT-1". Prices shown reflect NEW condition. Tracking began Apr 3, 2026.

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Description

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Step back in time with the Casio PT-1, a beloved classic in the world of portable keyboards. Originally released in the early 1980s, this compact instrument has become a cult favorite among musicians and collectors alike. Its monophonic sound engine delivers a nostalgic charm that continues to captivate new generations of music enthusiasts. The PT-1 is equipped with 29 mini keys, making it an ideal choice for on-the-go creativity or for those looking to explore the fundamentals of music composition without the complexity of modern synthesizers.

The Casio PT-1 features a selection of four preset sounds, including piano, fantasy, violin, and flute, providing a versatile palette for budding musicians. Additionally, it includes a simple rhythm section with ten preset patterns, allowing you to experiment with different grooves. Its built-in speaker ensures that you can share your musical ideas anytime, anywhere, without the need for external amplification.

Whether you're a seasoned professional or a curious beginner, the Casio PT-1 is not just a keyboard; it's a piece of musical history that invites exploration and creativity. Its simple interface makes it accessible to all ages, while its retro appeal adds a touch of nostalgia to any setup.

Key Features:

29 mini keys for compact playability
Monophonic sound engine
Four preset sounds: piano, fantasy, violin, and flute
Built-in rhythm section with ten preset patterns
Integrated speaker for immediate sound output
Classic 1980s design with simple interface

Product specs

Brand	Casio
Model	PT-1 29-Key Mini Synthesizer
Finish	Black, Blue, Pink, Red, White
Year	1982 - 1988
Made In	Japan
Categories	Portable Keyboards
Analog / Digital	Digital
Key Size	Mini
Keyboard Action	Synth Action
Number of Keys	29 Keys
Polyphony	1 Voice

FAQs

What type of sounds can the Casio PT-1 produce?: The Casio PT-1 produces four distinct sounds: piano, fantasy, violin, and flute. These sounds are generated digitally, offering a variety of tonal options in a compact format.
Is the Casio PT-1 suitable for beginners?: Yes, the Casio PT-1 is suitable for beginners due to its simple interface and limited sound options, making it easy to learn and play without overwhelming features.
How portable is the Casio PT-1?: The Casio PT-1 is highly portable, featuring a compact design with 29 mini keys, making it easy to carry and use in various locations.
Does the Casio PT-1 require an external power supply?: The Casio PT-1 can be powered by four AA batteries, allowing for use without an external power supply, enhancing its portability.
What is the polyphony of the Casio PT-1?: The Casio PT-1 has a monophonic polyphony, meaning it can play only one note at a time, which is typical for keyboards of its era.

Videos

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JAde Wii

Casio PT-1 | How Does it Sound?

JAde Wii

Casio PT-1 Keyboard

KeyboardKrazy49

Unboxing and reviewing the Casio PT-1. The piano that started it all!

TopMusicCo - Tim Topham

CASIO PT-1 is a massive synth

Lonershy

Reviews

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PROS

Remarkable condition and outstanding sound
More versatile than similar models from the past
Simple and easy to use for beginners
"One key play" mode enhances song creation
Ideal for circuit bending, with simple engineering

CONS

Ordering process can be complicated with third-party involvement

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Casio PT-1.

Comparisons

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The PT-1 is essentially a VL1 vltone without parameter change capabilities, making it a simpler, more basic version of the famous model.
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Use cases and applications

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Ideal for lo-fi music and experimenting with effects pedals like pitch shifters and bit crushers to create unique sounds.
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Works well in small spaces; combining with a looper pedal can enhance its functionality for musicians seeking compact setups.
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Mods and upgrades

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Circuit bending is popular for these models, with some enthusiasts incorporating them into other hardware like Atari bodies.
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Owners recommend reversing the installation orientation of new transistors, flipping pins 2 and 3 for proper functionality.
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Value and pricing

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Priced around £20 on eBay, it's considered a fair deal for its retro charm and potential for creative experimentation.
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Setup and maintenance

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A common issue involves the transistor T9 (2SA1199R); replacing it with a BC557 can resolve power problems.
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Large capacitors near the speaker may also need replacement; check for damage, particularly those with 10 value and 470 ohms capacitance.
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User experience

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Despite novice-level skills, users have successfully repaired power issues by focusing on specific transistors and capacitors.
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Critic Reviews

Casio PT-1 Review | Butter Yo Bread!

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The Casio PT-1 is a delightful nod to 80s nostalgia, but its limitations as a musical instrument are apparent. With just four cheesy synth sounds and a selection of retro drum loops, it offers a charmingly low-bit auditory experience. While it lacks modern features like chord playability and an arpeggiator, its simplicity might appeal to those seeking a genuine throwback vibe. A fun toy for some, but its practicality as a serious studio tool is debatable.

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