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Ensoniq SQ-1

Released in 1990

The 61-note SQ-1 is a rather scaled-down version of the Ensoniq SD-1. Where the SD-1 allows up to six voices per program, the SQ-1 is limited to three voices.

Ensoniq SQ-1
GALLERY
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We stock both NEW and USED parts; all used electronic parts are tested and guaranteed working.

This listing reflects our current inventory and is updated in real time. If a part is shown as Out of Stock, we typically don't know when or if we might have it again - but click on the part for more info, and then you will be able to sign up for an alert when we do have it available again. By including out of stock parts in our listings, we hope to offer customers a more complete and useful resource.

We cannot diagnose repair issues by phone or email. For technical questions, we suggest posting on our Forums, where our techs - as well as other users - can offer help.

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Transformers
AC power socket
AC power socket
$6.95 (Part #4135)
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Battery, 3V lithium
Battery, 3V lithium
For memory card only
$2.95 (Part #4424)
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Battery, 3V lithium
Battery, 3V lithium
$8.95 (Part #4127)
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Button guide, 2-gang
Button guide, 2-gang
For small buttons
$7.95 (Part #10780)
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Button guide, 2-gang
Button guide, 2-gang
For large buttons
$7.95 (Part #9560)
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Button guide, 3-gang
Button guide, 3-gang
For large buttons
$8.95 (Part #4180)
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Button guides, 5-gang
Button guides, 5-gang
For large buttons
$9.95 (Part #4179)
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Button guides, 5-gang
Button guides, 5-gang
For small buttons
$9.95 (Part #4557)
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Button, large black
Button, large black
$4.95 (Part #4124)
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Button, large gray, Ensoniq
Button, large gray, Ensoniq
$3.95 (Part #4141)
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Button, small
Button, small
$3.95 (Part #4025)
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Contact spring holder, nylon
Contact spring holder, nylon
$0.95 (Part #4125)
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Display bezel, Ensoniq
Display bezel, Ensoniq
$9.95 (Part #4343)
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Display board, Ensoniq
Display board, Ensoniq
$84.95 (Part #4136)
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End cap, left, Ensoniq
End cap, left, Ensoniq
$29.95 (Part #4341)
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End cap, right, Ensoniq
End cap, right, Ensoniq
$29.95 (Part #4342)
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IC, 138065002B keyboard contoller chip
IC, 138065002B keyboard contoller chip
$54.95 (Part #3144)
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IC, 4051 multiplexer chip
IC, 4051 multiplexer chip
$2.95 (Part #4319)
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IC, 5510000102 Ensoniq ESP chip
IC, 5510000102 Ensoniq ESP chip
$59.95 (Part #4335)
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IC, 5700000201 processor chip
IC, 5700000201 processor chip
$34.95 (Part #4345)
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IC, 609-0381303 Ensoniq OTIS processor chip
IC, 609-0381303 Ensoniq OTIS processor chip
$39.95 (Part #4336)
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IC, 68000P10 processor chip
IC, 68000P10 processor chip
$39.95 (Part #3389)
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IC, 7407 hex buffer/driver chip
IC, 7407 hex buffer/driver chip
$2.95 (Part #3397)
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IC, 74LS00N quad gate
IC, 74LS00N quad gate
$2.95 (Part #3429)
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IC, 74LS174 flip-flop
IC, 74LS174 flip-flop
$3.95 (Part #3149)
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IC, 74LS244 buffer/line driver
IC, 74LS244 buffer/line driver
$2.95 (Part #3424)
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IC, 74LS245 bus transceiver
IC, 74LS245 bus transceiver
$2.95 (Part #3395)
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IC, 74LS373 flip-flop
IC, 74LS373 flip-flop
$3.95 (Part #3051)
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IC, D43256 memory chip
IC, D43256 memory chip
$10.95 (Part #4337)
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IC, ES510000106 Ensoniq ESP chip
IC, ES510000106 Ensoniq ESP chip
For SQ-1 Plus
$64.95 (Part #4239)
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IC, LM339N quad comparator
IC, LM339N quad comparator
$2.95 (Part #2733)
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IC, MC68681P DUART
IC, MC68681P DUART
$19.95 (Part #13336)
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IC, TL072 op amp
IC, TL072 op amp
$2.95 (Part #3388)
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Key bushing, lower
Key bushing, lower
$0.65 (Part #4175)
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Key bushing, rubber
Key bushing, rubber
$0.45 (Part #4344)
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Key contact spring, 43mm
Key contact spring, 43mm
$4.95 (Part #4126)
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Key contact springs, pkg of 10
Key contact springs, pkg of 10
$29.95 (Part #4126X)
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Key return springs, pkg of 10
Key return springs, pkg of 10
$4.95 (Part #KEYSP1X)
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Keybed chassis, 61-note Ensoniq
Keybed chassis, 61-note Ensoniq
$64.95 (Part #3078)
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Main board, Ensoniq SQ-1
Main board, Ensoniq SQ-1
$169.95 (Part #1071)
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Main board, Ensoniq SQ-1 Plus 32 Voice
Main board, Ensoniq SQ-1 Plus 32 Voice
$189.95 (Part #4133)
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Memory card, 32k SRAM
Memory card, 32k SRAM
$74.95 (Part #SRAM32)
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Musician's Manual, Ensoniq SQ-1/SQ-2, pdf file
Musician's Manual, Ensoniq SQ-1/SQ-2, pdf file
$6.95 (Part #SQ1MAN)
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Nut for 1/4-inch phone jack
Nut for 1/4-inch phone jack
$0.95 (Part #4123)
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Pedal, damper-style
Pedal, damper-style
$44.95 (Part #VFP110)
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Pedal, Expression/Control
Pedal, Expression/Control
$52.95 (Part #VP26U)
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Phone jack, 1/4-inch, 4-pin PCB mount
Phone jack, 1/4-inch, 4-pin PCB mount
For all jacks
$9.95 (Part #4177)
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Pitch bend/mod wheel assembly, Ensoniq
Pitch bend/mod wheel assembly, Ensoniq
$29.95 (Part #4884)
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Pitch bend/mod wheel panel, Ensoniq
Pitch bend/mod wheel panel, Ensoniq
$21.95 (Part #4034)
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Pitch bend/mod wheel, Ensoniq
Pitch bend/mod wheel, Ensoniq
$9.95 (Part #4603)
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Potentiometer, 10KB rotary
Potentiometer, 10KB rotary
For pitch bend or mod wheel
$8.95 (Part #4624)
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Power cord, IEC
Power cord, IEC
$8.95 (Part #PC)
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Power supply board, Ensoniq
Power supply board, Ensoniq
$49.95 (Part #4134)
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Power switch, rocker type
Power switch, rocker type
$6.95 (Part #4020)
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Pushbutton tact switches, pkg of 10
Pushbutton tact switches, pkg of 10
$19.95 (Part #4004X)
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Ribbon cable, 6-inch, 26-pin
Ribbon cable, 6-inch, 26-pin
Main board to keyboard
$10.95 (Part #4132)
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Rubber foot, 3/8-inch tall
Rubber foot, 3/8-inch tall
$1.95 (Part #4021)
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Rubber stop for pitch/mod wheel
Rubber stop for pitch/mod wheel
$2.95 (Part #4606)
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Sequencer Expander Kit, Ensoniq
Sequencer Expander Kit, Ensoniq
$44.95 (Part #SEQEXP)
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Service Manual, Ensoniq SQ-1, pdf file
Service Manual, Ensoniq SQ-1, pdf file
$6.95 (Part #SMSQ1)
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Slide potentiometer, 10KB, 30mm
Slide potentiometer, 10KB, 30mm
For Volume or Data
$19.95 (Part #4005)
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Slider knob, Ensoniq
Slider knob, Ensoniq
$6.95 (Part #4027)
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Spring stop ring, for pitch wheel
Spring stop ring, for pitch wheel
$0.95 (Part #8085)
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Style 39U key, black note
Style 39U key, black note
$9.95 (Part #K39UBL)
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Style 39U key, note A
Style 39U key, note A
$11.95 (Part #K39UA)
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Style 39U key, note B
Style 39U key, note B
$11.95 (Part #K39UB)
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Style 39U key, note C
Style 39U key, note C
$11.95 (Part #K39UC)
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Style 39U key, note D
Style 39U key, note D
$11.95 (Part #K39UD)
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Style 39U key, note E
Style 39U key, note E
$11.95 (Part #K39UE)
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Style 39U key, note F
Style 39U key, note F
$11.95 (Part #K39UF)
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Style 39U key, note G
Style 39U key, note G
$11.95 (Part #K39UG)
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Style 39U key, top C note
Style 39U key, top C note
$19.95 (Part #K39UC8)
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