Casio PT-100

$15.89 Price Tier: Budget

5.0 (1)

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Page last updated Jun 07, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated April 3, 2026.

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3.0 (1)

$15.89

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Average Price: $16

Budget/Beginner

$100

$601+

Price Tier

In the Portable & Arranger Keyboards category, Casio PT-100 is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

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Price History

Based on price data from 1 merchant for "Casio PT-100". Prices shown reflect NEW condition. Tracking began Apr 3, 2026.

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Description

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The Casio PT-100 is a classic gem for both budding musicians and seasoned synth enthusiasts. This 49-key portable keyboard is known for its compact design and user-friendly interface, making it an ideal choice for those on the go or tight on space. Its retro appeal doesn't just stop at aesthetics; the PT-100 brings the nostalgic sound of the 1980s right to your fingertips. With a range of preset tones and rhythms, this keyboard offers a delightful blend of simplicity and functionality, perfect for jamming out or composing new tunes.

The PT-100 is equipped with a selection of 8 different instrument voices, allowing users to switch between sounds like piano, organ, and more with ease. Its built-in speaker ensures you're never without sound, while the headphone jack offers a private session option when needed. An intuitive interface with labeled keys makes it accessible for beginners, yet it holds enough scope for experimentation for more advanced players. Whether you're performing at home or sharing your music with friends, the Casio PT-100 is a trusted companion in your musical journey.

Key Features:

49 full-size keys for a realistic playing experience
8 preset instrument voices including piano, organ, and more
Built-in speaker for convenient sound output
Headphone jack for private practice sessions
Simple, intuitive interface for easy use
Compact and portable design perfect for musicians on the move

Product specs

Brand	Casio
Model	PT-100 32-Key Mini Synthesizer
Finish	Black
Year	1980s
Categories	Portable Keyboards
Analog / Digital	Digital
Key Size	Mini
Keyboard Action	Synth Action
Number of Keys	32 Keys
Polyphony	8 Voices

FAQs

How many voices can the Casio PT-100 play simultaneously?: The Casio PT-100 features 8-voice polyphony, allowing it to play up to eight notes at the same time.
What type of keys does the Casio PT-100 have?: The Casio PT-100 has 32 mini keys with synth action, making it compact and easy to play for both beginners and those looking for a portable option.
Is the Casio PT-100 suitable for beginners?: Yes, the Casio PT-100 is suitable for beginners due to its simple interface and compact size, making it an excellent choice for learning basic keyboard skills.
Does the Casio PT-100 have built-in speakers?: Yes, the Casio PT-100 features built-in speakers, allowing you to play and listen without needing external amplification.
What year was the Casio PT-100 released?: The Casio PT-100 was released in the 1980s, reflecting its vintage appeal and classic digital sound.

Videos

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VWestlife

Casio PT-100 keyboard (NOT circuit-bent!)

VWestlife

Casio PT-100 Demo (modded with audio output, not bent) - MIDIVERSE TV

Midiverse - TV

CASIO PT-100 // Toy Keyboard Review

h i m a

Casio PT-100 Retro Keyboard from 1987!

Nonsonic

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Casio PT-100.

Setup and maintenance

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Broken mini-keys can be temporarily fixed with tape if the original key is available, but finding replacements is challenging due to their size.
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Owners recommend sourcing parts from other PT-series keyboards as they share similar key designs, making them suitable for parts interchange.
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Sourcing parts from websites like Syntaur.com and Casiokeyboardjunkyard.com is recommended for replacement keys and components.
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Some users experienced issues with the power switch making faulty contact, resulting in the PT-100 staying permanently on until contacts were cleaned and bent back into position.
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Mods and upgrades

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3D printing keys for the PT-100 is suggested, although finding existing models for this keyboard is difficult.
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The PT-100 can be modified with an LFO, Rhodes filter, sustain, drum fill, and distortion effects while retaining original functions.
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User experience

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The PT-100 features two large pieces for the white and black keys rather than individual keys, impacting repair approaches.
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Owners find that creating mods from schematics is feasible even for those new to circuit bending, enhancing DIY skills.
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Owners found that after cleaning and adjusting bent contacts, the PT-100 could be revived even after being stored unused for 20 years.
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Features and functionality

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A 1/4” line out modification enhances the PT-100's connectivity for modern audio setups.
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It's noted that the PT-100 can run on 7.5 volts, which is essential information for sourcing a compatible power supply if a plug is unavailable.
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Use cases and applications

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Modified PT-100s offer charming lo-fi and retro sounds, appealing to enthusiasts of vintage aesthetics.
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Other

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The power switch on the PT-100 acts more as a state change slider rather than a hard on-off switch, which can affect troubleshooting approaches.
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