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Aux Signal to Phono RIAA Inverse Filter PCB Converter Direct Connect MRiaa-Rev.4
Aux Signal to Phono RIAA Inverse Filter PCB Converter Direct Connect MRiaa-Rev.4

$12.00

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RIAA Phono Preamp With Discrete Low Noise Transistors MRIAA-TR1 2023
RIAA Phono Preamp With Discrete Low Noise Transistors MRIAA-TR1 2023

$12.00

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RIAA Inverse Filter for testing RIAA Pre-Amp & make Aux Signal to Phono DIY KIT
RIAA Inverse Filter for testing RIAA Pre-Amp & make Aux Signal to Phono DIY KIT

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Audio Stereo Limiter / Compressor M-Limiter1977 Excellent performance
Audio Stereo Limiter / Compressor M-Limiter1977 Excellent performance

$30.00

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Dynamic Low Noise Microphone Preamplifier Board With Gain Control MMP-R1
Dynamic Low Noise Microphone Preamplifier Board With Gain Control MMP-R1

$8.50

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Phono stage MM/MC RIAA High quality & low noise Phono stage RIAA-MC/MM3
Phono stage MM/MC RIAA High quality & low noise Phono stage RIAA-MC/MM3

$50.00

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Audio Signal Detecting Auto Power On/Off with Trigger out. ASD-1M or 2M For DIY
Audio Signal Detecting Auto Power On/Off with Trigger out. ASD-1M or 2M For DIY

$22.00

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Voice Activated Sound Switch Module, activated by microphone or AUX signal
Voice Activated Sound Switch Module, activated by microphone or AUX signal

$20.00

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Subwoofer Low Pass Filter Variable Freq.50Hz~200Hz + Bass Boost Model SUB-1
Subwoofer Low Pass Filter Variable Freq.50Hz~200Hz + Bass Boost Model SUB-1

$8.00

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3Way Mono Active Crossover for HI End Amplification MCRS-3M
3Way Mono Active Crossover for HI End Amplification MCRS-3M

$35.00

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Montronix TSAE2 Vibration Amplifiers, NEW!
Montronix TSAE2 Vibration Amplifiers, NEW!

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Pink / White Noise Generator Module For Spectrum Test M-PWN1
Pink / White Noise Generator Module For Spectrum Test M-PWN1

$7.00

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Quad 303 Power Amplifier Direct Replacement Amplifier PCB M12038 Rev.2
Quad 303 Power Amplifier Direct Replacement Amplifier PCB M12038 Rev.2

$80.00

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ASD-2K Audio Signal Detecting Auto Power On/Off with Trigger out. ASD-2K DIY KIT
ASD-2K Audio Signal Detecting Auto Power On/Off with Trigger out. ASD-2K DIY KIT

$20.00

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Active Subwoofer Audio Signal Detecting Auto Power On/Off ASD-3 / MSADP-4SUB
Active Subwoofer Audio Signal Detecting Auto Power On/Off ASD-3 / MSADP-4SUB

$18.00

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Grado Phono Cartridge High Quality RIAA MM Phono Pre Amplifier
Grado Phono Cartridge High Quality RIAA MM Phono Pre Amplifier

$30.00

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Subwoofer Active Low Pass Filter with Phase & Bass Boost control M-SUB6
Subwoofer Active Low Pass Filter with Phase & Bass Boost control M-SUB6

$18.00

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RIAA Inverse Filter for testing RIAA Pre-Amp & make Aux Signal to Phono
RIAA Inverse Filter for testing RIAA Pre-Amp & make Aux Signal to Phono

$20.00

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Audio Stereo Preamplifier with Discrete transistor stage for general use, DIY
Audio Stereo Preamplifier with Discrete transistor stage for general use, DIY

$8.00

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Stereo Audio Noise Gate Module M-NG3
Stereo Audio Noise Gate Module M-NG3

$25.00

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Tone Control DIY Passive or Active Stereo Board with Volume Bass Treble
Tone Control DIY Passive or Active Stereo Board with Volume Bass Treble

$7.00

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4 Way Active Electronic Crossover Low/Low Mid/High Mid/High MCRS-4WS
4 Way Active Electronic Crossover Low/Low Mid/High Mid/High MCRS-4WS

$50.00

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MRIAA-PRO3S Professional Ultra High Quality MM Phono Pre Amplifier Stage
MRIAA-PRO3S Professional Ultra High Quality MM Phono Pre Amplifier Stage

$57.00

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Subsonic High Pass Low Noise Discrete Active Filter 3rd order 18db Model MSS-1TR
Subsonic High Pass Low Noise Discrete Active Filter 3rd order 18db Model MSS-1TR

$12.00

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2Way Mono Active Crossover for HI End Amplification MCRS-2M
2Way Mono Active Crossover for HI End Amplification MCRS-2M

$30.00

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RIAA Inverse Active Pre Amp,Low Noise Filter for Vinyl Record Cutting Machine
RIAA Inverse Active Pre Amp,Low Noise Filter for Vinyl Record Cutting Machine

$35.00

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Signal / Peak Audio Detector Dual Color Led PCB For Pre/Power Amplifiers.
Signal / Peak Audio Detector Dual Color Led PCB For Pre/Power Amplifiers.

$10.00

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RIAA MM Phono Low Noise Preamp Powered By Micro USB 5Vdc or Single 12-24Vdc
RIAA MM Phono Low Noise Preamp Powered By Micro USB 5Vdc or Single 12-24Vdc

$10.00

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Headphones Amplifier Compact Design, High Quality Amplifier M-PHM56
Headphones Amplifier Compact Design, High Quality Amplifier M-PHM56

$12.00

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XLR Balance Input to Unbalance Out Pro Stage Driver for Power Amp MXLR-MQ3 / MQ1
XLR Balance Input to Unbalance Out Pro Stage Driver for Power Amp MXLR-MQ3 / MQ1

$25.00

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RIAA Inverse Filter for testing RIAA Input Stage DIY KIT MRIAA-Rev.1K/SK
RIAA Inverse Filter for testing RIAA Input Stage DIY KIT MRIAA-Rev.1K/SK

$10.00

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Headphones Amplifier Small Size High Volume and Quality Amplifier DIY KIT M-PHB1
Headphones Amplifier Small Size High Volume and Quality Amplifier DIY KIT M-PHB1

$10.00

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Stereo Variable Low/High Pass Crossover. LP 45-150Hz/Full/HP 60-460Hz MHL-2
Stereo Variable Low/High Pass Crossover. LP 45-150Hz/Full/HP 60-460Hz MHL-2

$25.00

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3Way Active Electronic Crossover w/wo Bass Correction Low/Mid/High MCRS-3DR/WN
3Way Active Electronic Crossover w/wo Bass Correction Low/Mid/High MCRS-3DR/WN

$45.00

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Audio Signal Detecting Auto Power On/Off+Hi/Low to Low Level converter MSADP-3/4
Audio Signal Detecting Auto Power On/Off+Hi/Low to Low Level converter MSADP-3/4

$25.00

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Unbalanced To Balanced Studio Stage Stereo Pre-Amplifier Module MUB-BLS500/N
Unbalanced To Balanced Studio Stage Stereo Pre-Amplifier Module MUB-BLS500/N

$22.00

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Time Delay Relay with 555 Variable time relay turn on module MTI-12 W.V12Vdc
Time Delay Relay with 555 Variable time relay turn on module MTI-12 W.V12Vdc

$5.00

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Guitar/Instrument Pre-amplifier With 4 band Tone Control & Over Load Led @15dbu
Guitar/Instrument Pre-amplifier With 4 band Tone Control & Over Load Led @15dbu

$18.00

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Subwoofer High Quality LowPass Filter Freq.40Hz~400Hz+B-Boost+Phase SUB-2/SMD
Subwoofer High Quality LowPass Filter Freq.40Hz~400Hz+B-Boost+Phase SUB-2/SMD

$18.00

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Discrete High Level Line Driver for Stereo Power Amplifier. Model M-Drive 3012
Discrete High Level Line Driver for Stereo Power Amplifier. Model M-Drive 3012

$30.00

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Low and High Pass Variable Active Stereo Electronic Crossover MCR-HL1
Low and High Pass Variable Active Stereo Electronic Crossover MCR-HL1

$30.00

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LM3915 Precision VU Meter with Real Full Wave Peak Detector -21 to +6 dbu
LM3915 Precision VU Meter with Real Full Wave Peak Detector -21 to +6 dbu

$15.00

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Pre Amplifier Tone Control With Volume,Balance,Bass,Treble MT-2S High Quality
Pre Amplifier Tone Control With Volume,Balance,Bass,Treble MT-2S High Quality

$22.00

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Stereo to Bridge Converter Audio Adapter. Special New Low Noise Design
Stereo to Bridge Converter Audio Adapter. Special New Low Noise Design

$10.00

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High Pass Filter Crossover Variable Frequency 60Hz~250Hz With Hi-Boost
High Pass Filter Crossover Variable Frequency 60Hz~250Hz With Hi-Boost

$20.00

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Pre Amp Line Driver Volume Control For DIY Amplifiers Model MVOL-1
Pre Amp Line Driver Volume Control For DIY Amplifiers Model MVOL-1

$8.00

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Low Pass Filter Discrete Electronic Crossover DIY KIT SUB-1STR Freq. 40Hz~250Hz
Low Pass Filter Discrete Electronic Crossover DIY KIT SUB-1STR Freq. 40Hz~250Hz

$10.00

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MM/MC RIAA Phono Pre Amplifier.Hi Quality Low Noise Professional Stage RIAA-MC1
MM/MC RIAA Phono Pre Amplifier.Hi Quality Low Noise Professional Stage RIAA-MC1

$35.00

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4CH Electronic Analog Input Selector with Phono Stage For Audio Pre Amplifiers
4CH Electronic Analog Input Selector with Phono Stage For Audio Pre Amplifiers

$37.00

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RIAA High End MM Phono Pre Amplifier. Low Noise Professional Stage for DIY Audio
RIAA High End MM Phono Pre Amplifier. Low Noise Professional Stage for DIY Audio

$19.00

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XLR/Balance Input to Unbalance Output Driver Stage for Power Amplifiers W.Vol
XLR/Balance Input to Unbalance Output Driver Stage for Power Amplifiers W.Vol

$12.00

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Headphones Amplifier. Professional Studio HiFi Headphones Amplifier MHDP-SR875
Headphones Amplifier. Professional Studio HiFi Headphones Amplifier MHDP-SR875

$20.00

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Guitar/Instrument Pre-amplifier With 4 band Tone Control W/Wo Headphons amp
Guitar/Instrument Pre-amplifier With 4 band Tone Control W/Wo Headphons amp

$20.00

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2Way Active Electronic Stereo Crossover 24db Low&High Filters MCRS-2BI-SMD
2Way Active Electronic Stereo Crossover 24db Low&High Filters MCRS-2BI-SMD

$30.00

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Pre Amplifier Tone Control MT-3K with Vol,Balance,Bass,Mid,Treble Bal./Unbal.OUT
Pre Amplifier Tone Control MT-3K with Vol,Balance,Bass,Mid,Treble Bal./Unbal.OUT

$20.00

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MRACA-IN6 6CH Input Selector with Gold RCA Connectors For Audio Pre Amplifiers
MRACA-IN6 6CH Input Selector with Gold RCA Connectors For Audio Pre Amplifiers

$25.00

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Dynamic Microphone Pre-amp With Gain Bass Treble Control MMP-R2N
Dynamic Microphone Pre-amp With Gain Bass Treble Control MMP-R2N

$15.00

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LM1894 Noise Reduction Module. NS Dynamic Noise Reduction PCB For Audio use
LM1894 Noise Reduction Module. NS Dynamic Noise Reduction PCB For Audio use

$10.00

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Subwoofer Low Pass Filter Electronic Crossover DIY KIT SUB-1S Freq. 50Hz~250Hz
Subwoofer Low Pass Filter Electronic Crossover DIY KIT SUB-1S Freq. 50Hz~250Hz

$10.00

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XLR-Balance Input to Unbalance Output Converters Mono/Stereo Modules
XLR-Balance Input to Unbalance Output Converters Mono/Stereo Modules

$20.00

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AB-SW1S Audio Signal Switch from 2 Input to 1 Output
AB-SW1S Audio Signal Switch from 2 Input to 1 Output

$10.00

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Active Inverse RIAA Pre Amp Low Noise Filter for Vinyl Record Cutting Machine
Active Inverse RIAA Pre Amp Low Noise Filter for Vinyl Record Cutting Machine

$25.00

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Tone Control Pre Amp. Mono/Stereo Volume Bass Treble MT-2 Single 22-30Vdc DIY
Tone Control Pre Amp. Mono/Stereo Volume Bass Treble MT-2 Single 22-30Vdc DIY

$7.00

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Subwoofer Low Pass Filter Electronic Crossover DIY KIT SUB-2K Freq. 45Hz~260Hz
Subwoofer Low Pass Filter Electronic Crossover DIY KIT SUB-2K Freq. 45Hz~260Hz

$15.00

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Stereo Amplifier/Integrated Amplifier M-TL800K DIY Build This with 100% success
Stereo Amplifier/Integrated Amplifier M-TL800K DIY Build This with 100% success

$35.00

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Audio Signal SplItter Low Noise Stereo 1 Input To 3 Output M-AS3
Audio Signal SplItter Low Noise Stereo 1 Input To 3 Output M-AS3

$35.00

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RIAA Ultra Low Noise & High Quality Phono Pre Amp SPECIAL Design. RIAA-1303
RIAA Ultra Low Noise & High Quality Phono Pre Amp SPECIAL Design. RIAA-1303

$30.00

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Headphones Amplifier! Discrete Stage Professional Amplifier M-3012SMD
Headphones Amplifier! Discrete Stage Professional Amplifier M-3012SMD

$60.00

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LM3915 Precision VU Meter -21 to +6dbu with Dot/Bar option
LM3915 Precision VU Meter -21 to +6dbu with Dot/Bar option

$15.00

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Headphones Amplifier. HiFi Quality Powerful Tiny Amplifier for DIY MTINY-HD1
Headphones Amplifier. HiFi Quality Powerful Tiny Amplifier for DIY MTINY-HD1

$10.00

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Quad 303 Power Amplifier Direct Replacement Amplifier PCB M12038 older version
Quad 303 Power Amplifier Direct Replacement Amplifier PCB M12038 older version

$80.00

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RC4739 uA739 MC1303 SN76131 Replacement IC Adapter PCB DIP14 to SO-8
RC4739 uA739 MC1303 SN76131 Replacement IC Adapter PCB DIP14 to SO-8

$5.00

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Yamaha RIAA Phono Pre Amplifier with Ultra Low THD and Low Noise
Yamaha RIAA Phono Pre Amplifier with Ultra Low THD and Low Noise

$28.00

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2Way Bi-Amp Active Stereo Electronic Crossover 24db Low/High Filters MCRS-2BI
2Way Bi-Amp Active Stereo Electronic Crossover 24db Low/High Filters MCRS-2BI

$35.00

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Red Llama Guitar Overdrive/Distortion/Fuzz Effect DIY Small Size PCB
Red Llama Guitar Overdrive/Distortion/Fuzz Effect DIY Small Size PCB

$16.00

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Phono miniature Pre Amplifier for Receivers,Integrated amp that don't have Phono
Phono miniature Pre Amplifier for Receivers,Integrated amp that don't have Phono

$15.00

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2Way Active High Quality Electronic Crossover 24db Low/High Filters MCRS-2BI3
2Way Active High Quality Electronic Crossover 24db Low/High Filters MCRS-2BI3

$35.00

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Auto Power On/Off for Logic control Amplifiers Audio Signal Detecting ASD-851A/B
Auto Power On/Off for Logic control Amplifiers Audio Signal Detecting ASD-851A/B

$22.00

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Professional Studio HiFi Headphones Amplifier W/Balanced/Unbalanced Input MBHP-1
Professional Studio HiFi Headphones Amplifier W/Balanced/Unbalanced Input MBHP-1

$30.00

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Dynamic Microphone Pre-amplifier Stage MMP-R1 and MMIC-9V
Dynamic Microphone Pre-amplifier Stage MMP-R1 and MMIC-9V

$8.50

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Pre amp Bass Treble Tone Control with Low & High Filter for DIY Integrated AMP
Pre amp Bass Treble Tone Control with Low & High Filter for DIY Integrated AMP

$35.00

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2Way Stereo Active Electronic Crossover Switchable 12/24db MCRS-2-DB
2Way Stereo Active Electronic Crossover Switchable 12/24db MCRS-2-DB

$40.00

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M-RIAA875 Professional Dual Differential Input Stage MM Phono Pre Amplifier
M-RIAA875 Professional Dual Differential Input Stage MM Phono Pre Amplifier

$35.00

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Marantz 2215B,2216/2200 P700 Main Power Amplifier same Design & PCB Size
Marantz 2215B,2216/2200 P700 Main Power Amplifier same Design & PCB Size

$80.00

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M-DOD250 Overdrive/Distortion/Fuzz Effect DIY PCB
M-DOD250 Overdrive/Distortion/Fuzz Effect DIY PCB

$18.00

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Phono Dual Stage Low Noise RIAA Preamp DIY KIT. Excellent performance M-RIAA1976
Phono Dual Stage Low Noise RIAA Preamp DIY KIT. Excellent performance M-RIAA1976

$16.00

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MCRS-SUM2 Summarizes An Audio Signal From 4 Stereo Channels To 1 Stereo Out
MCRS-SUM2 Summarizes An Audio Signal From 4 Stereo Channels To 1 Stereo Out

$25.00

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Subwoofer Low Pass Filter Electronic Crossover DIY KIT SUB-4K or SUB-5T
Subwoofer Low Pass Filter Electronic Crossover DIY KIT SUB-4K or SUB-5T

$20.00

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DIP/SOP IC to SIP Adapter PCB. DIP8 to SIP7 or DIP8/SOP8 to SIP8 or TA7136AP ADP
DIP/SOP IC to SIP Adapter PCB. DIP8 to SIP7 or DIP8/SOP8 to SIP8 or TA7136AP ADP

$5.00

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Phono RIAA Preamp DIY Low Noise Transistors Work on Single 12-24Vdc
Phono RIAA Preamp DIY Low Noise Transistors Work on Single 12-24Vdc

$12.00

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Low Pass 6/12/18/24 db Stereo Active Filter module MSS-4LP
Low Pass 6/12/18/24 db Stereo Active Filter module MSS-4LP

$12.00

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Peak Red Led/Signal Green Led Detector Module for Audio M-VU393A
Peak Red Led/Signal Green Led Detector Module for Audio M-VU393A

$5.00

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Subsonic High Pass Stereo Active Filter 3rd order 18db Model MSS-1
Subsonic High Pass Stereo Active Filter 3rd order 18db Model MSS-1

$6.00

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Pre Amplifier Mono Tone Control FC-28 Rev.2 with Vol. Bass Treble Single12-24VDC
Pre Amplifier Mono Tone Control FC-28 Rev.2 with Vol. Bass Treble Single12-24VDC

$6.00

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3Way 24db active system stereo electronic crossover Lo/Mid/Hi Filters MCRS-MT3
3Way 24db active system stereo electronic crossover Lo/Mid/Hi Filters MCRS-MT3

$40.00

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Stereo Peak Signal Detector Module for Audio Use. MPEAK-93
Stereo Peak Signal Detector Module for Audio Use. MPEAK-93

$7.00

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Subsonic High Quality Stereo 24db 4th order 15/20/25 Hz Active Filter MSS-3
Subsonic High Quality Stereo 24db 4th order 15/20/25 Hz Active Filter MSS-3

$12.00

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TDA2030A Stereo Power Amplifier for 8/4 Ohm SPK DIY KIT 2X16Wrms 8Ω
TDA2030A Stereo Power Amplifier for 8/4 Ohm SPK DIY KIT 2X16Wrms 8Ω

$9.00

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5 LED VU Meter 2pcs For Stereo For Amplifier,Preamplifier,Audio Mixer,etc M-VU4D
5 LED VU Meter 2pcs For Stereo For Amplifier,Preamplifier,Audio Mixer,etc M-VU4D

$10.00

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Single 15Vac Transformer To Dual +/-15Vdc.Perfect Solution For DIY M78-79S-N
Single 15Vac Transformer To Dual +/-15Vdc.Perfect Solution For DIY M78-79S-N

$8.00

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