DETAILS
Features
Ease of use
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Automatic SID model detection, any combination of 6581 and 8580 (aka 6582) is supported
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Manual on-the-fly switching between 6581 (old SID) and 8580 (new SID) while the tune/games/demos are playing!
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SIDFX support has been built into SIDplay64 and the player of 1541U and 1541U+ by the respective developers
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Open API for full software control
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Stereo SID capable with second SID located at either address $D420, $D500**, $DE00 or $DF00***
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Also works with one SID if you just want to use old SID in new C64 or new SID in old C64
** $D500 is unavailable on C128, please refer to the FAQ.
*** Please refer to the FAQ for instructions and limitations.
Optional accessories
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SIDFX adapter for C64 Reloaded MK1; our custom adapter that enables SIDFX to fit the ZIF sockets of a C64 Reloaded MK1 motherboard while being mounted in a C64C chassis
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SIDFX adapter for C64 Reloaded MK2; our custom adapter that enables SIDFX to function with the C64 Reloaded MK2 motherboard
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Additional accessories are available in our online shop
Sound quality
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Precision filter capacitors located on the SIDFX module replace those on the motherboard
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Replaces incorrect filter capacitors found in SX-64 and early C64 models
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Stereo capable mini phone jack for dedicated high-fidelity output (available in all operating modes)
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Sample playback fix for 8580 with configurable boost level and manual-/automatic operating modes
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Reduced audible noise due to individual voltage filtering and regulation for each SID
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Configurable external audio input mute function for reduced noise
Voltage control
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Generates safe and accurate operating voltages for each individual SID
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Protects SID input and output against over-/under voltage and short-circuit
Installation
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4 detachable cables for easier installation and less clutter
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Two cable lengths, you select the length when ordering. Fits all variants of Commodore 64 and 128
Specifications
Audio input (C64 AV connector)
Bandwidth
Amplitude
18Hz to 35kHz (-3dB, relative to 1kHz, measured in C64C)
≤3.0Vpp (limited by SID chip specification)
Audio output (C64 AV connector)
Bandwidth
Amplitude
15Hz to 15kHz (-3dB, relative to 1kHz, measured in C64C)
≤3.0Vpp
Audio output (SIDFX stereo output)
Bandwidth
Amplitude
External cable
5Hz to 40kHz (-3dB, relative to 1kHz)
≤5.0Vpp
≤3.0m
Digi-boost function (configurable)
Amplification
Activation frequency
Activation delay
0dB to +21dB in 3dB steps (actual boost may depend on individual 8580 chip)
≥800Hz ±5%, but partial triggering may occur at ≥700Hz ±5% sample rate
≤20ms from first sample data
Power supply
VCC input voltage
VCC input current
VDD input voltage
VDD input current
4.75V to 5.25V
225mA maximum @ 5.0V VCC (assuming 100mA VCC per SID chip)
180mA typical @ 5.0V VCC (6581+8580 chips installed)
25mA typical @ 5.0V VCC (no SID chips installed)
8.0V to 13.0V
110mA maximum @ 12.0V VDD (assuming 40mA VDD per SID chip)
60mA typical @ 12.0V VDD (6581+8580 chips installed)
15mA typical @ 12.0V VDD (no SID chips installed)
150mA maximum @ 9.0V VDD (assuming 40mA VDD per SID chip)
85mA typical @ 9.0V VDD (6581+8580 chips installed)
20mA typical @ 9.0V VDD (no SID chips installed)
Operating conditions
Temperature range
Humidity range
10˚C to 40˚C (ambient)
20%RH to 90%RH (non-condensing)
Storage conditions
Temperature range
Humidity range
-20˚C to 50˚C
10%RH to 95%RH (non-condensing)
Dimensions
Width
Length
Height
55.0mm
47.5mm (without cables attached)
≤9.0mm (insertion height between SID chip and motherboard socket, without extra socket)
≤13.0mm (insertion height between SID chip and motherboard socket, with extra socket)
≤18.0mm (total height including extra socket but without SID chips installed)
System compatibility
Commodore 64/64C
Commodore 128/128D
Commodore 128DCR
Commodore SX-64
C64 Reloaded MK1
C64 Reloaded MK2
Motherboard ASSY 326298 (refer to manual for specific pre-requisites)
Motherboard ASSY 250407 (refer to manual for specific pre-requisites)
Motherboard ASSY 250425 (refer to manual for specific pre-requisites)
Motherboard ASSY 250466 (refer to manual for specific pre-requisites)
Motherboard ASSY 250469 (refer to manual for specific pre-requisites)
Motherboard ASSY 310379 (refer to manual for specific pre-requisites)
Motherboard ASSY 250477 (refer to manual for specific pre-requisites)
Motherboard ASSY 251102 (refer to manual for specific pre-requisites)
C64 clone manufactured by Individual Computers Jens Schönfeld GmbH
Requires SIDFX-AR1 adapter (included in SIDFX-R1 bundle and available separately)
(refer to manual for specific pre-requisites)
C64 clone manufactured by Individual Computers Jens Schönfeld GmbH
Requires SIDFX-AR2 adapter (included in SIDFX-R2 bundle and available separately)
(refer to manual for specific pre-requisites)
Cable kit
Switch cable
Audio cable
Grabber cable
30cm (c64 bundles) or 50cm (C128/SX-64 bundles)
Two detachable cables with 3-position toggle switch for chassis mount
30cm (c64 bundles) or 50cm (C128/SX-64 bundles)
Detachable cable with 3.5mm phone socket for chassis mount
30cm (all bundles)
Detachable cable with 3 mini-grabbers suitable for connection to IC pins