Syntaur Productions
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Products for the Crumar
Bit One, Bit 01, Bit 99
Replacement Keys - Parts


 

Replacement Keys
These plastic keys will replace broken ones on your keyboard. Most of these replacement keys are used, but in fine condition; some are new. There are several different types of keys used on the Crumar keyboards, so you will need to make sure you order the correct style (click on the link for your keyboard below). With the exception of the top note, all keys from octave to octave are identical, and all black keys within a given style are identical. In other words, a B note in the lowest octave uses the same key as a B note in any other octave. But the highest C note of a 61-note keyboard is different from the other C notes (see illustration below).

If you do not know the note names, on the 61-note keyboard shown below, the white keys from the bottom (left side) up are: C, D, E, F, G, A, B, and then the sequence repeats.

Crumar Keyboard Notes

Click below to view keys for:
Bit One   Bit 99


 

Parts
We stock both new and used parts; the individual item descriptions will specify whether a part is NEW or USED. All used electronic parts are tested and guaranteed working. This listing reflects our current inventory and is updated daily, so if a part is shown with a "Buy" button, we should have it in stock.

If a part is shown as Out of Stock, then we do not have it, and in most cases, we don't know when or even if we might have it again. Your best bet is to simply check back on our site occasionally. If a part is not listed on our site, then we do not carry that part. We can no longer research or special order parts that are not listed here, and we just don't have time to answer questions about parts that we don't carry.

We want to help you get the parts you need, but please do not ask us to help diagnose problems with your equipment. We simply don't have the resources to do this, and it is just not practical to diagnose repair issues without being able to test the equipment in person.

View parts for:
Bit One   Bit 99


Bit One
Crumar Power Socket AC power socket/line filter (Part #4015)
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Crumar Bit One Battery Battery (Part #4424)
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Crumar Bit One Panel Button Button, black with no LED hole (Part #3065)
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Crumar Bit One Panel Button Button, black with LED hole (Part #3066)
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Crumar Bit One Panel Buttons Button set, numbers 0 through 9 (Part #3067)
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Crumar Bit One Display Board Display board (Part #3064)
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Crumar Bit One Fuse Holder Fuse holder (Part #4014)
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Integrated Circuit IC, 1458 dual op amp (Part #3685)
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Integrated Circuit IC, 4011 quad gate (Part #3391)
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Integrated Circuit IC, 4016 quad analog switch (Part #3302)
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Integrated Circuit IC, 4028 decoder (Part #1945)
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Integrated Circuit IC, 4049 hex inverter/buffer (Part #2382)
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Integrated Circuit IC, 4050 hex buffer/converter (Part #1775)
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Integrated Circuit IC, 4051 multiplexer (Part #4319)
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Integrated Circuit IC, 4070 quad OR gate (Part #5172)
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Integrated Circuit IC, 4520 dual binary up counter (Part #2696)
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Integrated Circuit IC, 74LS00 quad gate (Part #3429)
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Integrated Circuit IC, 74LS138 decoder/demultiplexer (Part #3251)
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Integrated Circuit IC, 74LS139 decoder/demultiplexer (Part #4263)
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Integrated Circuit IC, 74LS374 flip-flop (Part #4215)
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Integrated Circuit IC, CEM3328 filter chip (Part #4039)
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Integrated Circuit IC, LM13700 dual op amp (Part #5106)
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Integrated Circuit IC, LM393 comparator (Part #3660)
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Integrated Circuit IC, LM741 op amp (Part #3297)
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Integrated Circuit IC, SSM2044 filter chip (Part #3720)
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Integrated Circuit IC, TL072 op amp (Part #3388)
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Integrated Circuit IC, TL081 op amp (Part #4260)
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Integrated Circuit IC, TL082 op amp (Part #3423)
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Crumar Bit One Key Return Spring Key return spring (Part #KEYSP1)
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Crumar Bit One Power Cord Power cord (Part #PC)
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Crumar Bit One Slide Potentiometer Slide potentiometer, 5KB (Part #3071)
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Crumar Bit One Slide Potentiometer Slide potentiometer, 20KB (Part #3072)
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Crumar Bit One Slider Dust Cover Slider dust cover (Part #3070)
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Crumar Bit One Slider Knob Slider knob (Part #3073)
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Crumar Bit One Panel Switch Switch, for front panel (Part #3068)
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Crumar Bit One Panel Switch Switch, with LED, for front panel (Part #3069)
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Bit 99
Crumar AC Receptacle AC line filter/cord receptacle (Part #4015)
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Crumar Battery Battery (Part #4347)
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Bridge Rectifier Bridge rectifier, WO2M (Part #5145)
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Crumar Contact Spring Holder Contact spring holder (Part #1516)
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Fuse Holder Fuse holder (Part #4014)
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Integrated Circuit IC, 1458 dual op amp (Part #3685)
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Integrated Circuit IC, 4016 quad analog switch (Part #3302)
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Integrated Circuit IC, 4049 hex inverter/buffer (Part #2382)
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Integrated Circuit IC, 4050 hex buffer/converter (Part #1775)
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Integrated Circuit IC, 4051 multiplexer (Part #4319)
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Integrated Circuit IC, 4520 dual binary up counter (Part #2696)
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Integrated Circuit IC, 74LS00 quad gate (Part #3429)
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Integrated Circuit IC, 74LS138 decoder/demultiplexer (Part #3251)
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Integrated Circuit IC, 74LS139 decoder/demultiplexer (Part #4263)
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Integrated Circuit IC, 74LS373 flip-flop (Part #3051)
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Integrated Circuit IC, 74LS374 flip-flop (Part #4215)
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Integrated Circuit IC, 74LS393 dual binary counter (Part #5225)
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Integrated Circuit IC, CEM3328 filter chip (Part #4039)
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Integrated Circuit IC, LM13700 dual op amp (Part #5106)
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Integrated Circuit IC, LM393 comparator (Part #3660)
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Integrated Circuit IC, SSM2044 filter chip (Part #3720)
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Integrated Circuit IC, TL072 op amp (Part #3388)
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Integrated Circuit IC, TL081 op amp (Part #4260)
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Integrated Circuit IC, TL082 op amp (Part #3423)
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Crumar Key Contact Spring Key contact spring (Part #1459)
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Crumar Nut for Phone Jack Nut for phone jack (Part #4446)
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Crumar Phone Jack Phone jack, all except Release and Phones (Part #2805)
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Crumar Power Cord Power cord (Part #PC)
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Crumar Bit 99 Slider Knob Slider knob (Part #1030)
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Voltage Regulator Voltage regulator, 7805 (Part #2256)
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Voltage Regulator Voltage regulator, 7812 (Part #1861)
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Voltage Regulator Voltage regulator, 7912 (Part #1739)
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