Reference,Value,Footprint / Package,MPN,Qty,Notes
U1,LM3886TF,TO-220-11 isolated,LM3886TF/NOPB,1,Mid power amp — VERIFY mute circuit vs datasheet
U2,LM3886TF,TO-220-11 isolated,LM3886TF/NOPB,1,HF power amp
U3,OPA2134PA,DIP-8 or SOIC-8,OPA2134PA,2,LR4 stages (4 Sallen-Key)
U4,THAT1200 or INA134,SOIC-8 / DIP-8,THAT1200S08-U,1,Balanced XLR receiver
U5,LM7815CT,TO-220,LM7815CT/NOPB,1,+15V for XO
U6,LM7915CT,TO-220,LM7915CT/NOPB,1,-15V for XO — different pinout!
T1,2x22V 200VA toroid,chassis mount,Antek AN-2220,1,Primary fused; earth shield if fitted
BR1,GBPC2502,GBPC,GBPC2502-E4/51,1,Bridge
C1-C2,10000uF 50V,radial 18mm,Panasonic EEU-FR1H103,4,Bulk ± rails (2 each)
C3-C6,100nF 50V X7R,0805,Murata GRM21BR71H104KA01L,8,HF decouple at each IC pin
C7-C8,1000uF 35V FR,radial,Panasonic EEU-FR1V102,2,Local amp reservoirs
Rin_mid,1k 1%,axial,Vishay MRS25000C1001FCT00,1,Per lm3886-poweramp
Rf_mid,20k 1%,axial,Vishay MRS25000C2002FCT00,1,Gain 21
Ri_mid,1k 1%,axial,Vishay MRS25000C1001FCT00,1,
Ci_mid,220uF 25V FR,radial,Panasonic EEU-FR1E221,1,Nearest to 250uF
Cf_mid,20pF C0G,0805,Kemet C0805C200J5GACTU,1,
Rz_mid,10R 0.5W,axial,Vishay PR01,1,Zobel
Cz_mid,0.1uF film,MKS2,WIMA MKS2B041001H00KSSD,1,
Lout_mid,0.68uH,axial,Bourns 78F680J,1,Thiele network
Rmute,100k,axial,Vishay MRS25,2,One per LM3886
Cmute,10uF 50V,radial,Panasonic EEU-FR1H100,2,
HF_PAD,series 5.6k + shunt network,—,Vishay,1,Set HF channel ~−6 dB vs mid (tune in QC)
XO_R_HP,calc @ 2.5kHz E24,axial,from calculator.py,8,Two HP stages
XO_C_HP,calc film,WIMA,from calculator.py,8,
XO_R_LP,calc @ 2.5kHz E24,axial,from calculator.py,8,Two LP stages
XO_C_LP,calc film,WIMA,from calculator.py,8,
J1,NCJ6FI-S combo,Neutrik panel,NCJ6FI-S,1,XLR/TRS in
IEC,FN9222-3-06,Schaffner,FN9222-3-06,1,Fused IEC
SW1,DPST rocker,panel,Carling,1,
POT_MASTER,10k log,PDB181,Bourns PDB181-GTRB01-104A2,1,
POT_HF,10k log,PDB181,Bourns,1,
LED,green 3mm + 4k7,—,Kingbright,1,
PCB_XO,CAMS-XO-R1,100x80mm,fab,1,Derive from active-crossover KiCad
PCB_AMP,CAMS-AMP-R1,120x100mm 2oz Cu,fab,1,Dual LM3886 layout
HS_MID,extruded >=0.8K/W,TO-220 mount,Fischer SK81 / Aavid,1,
HS_HF,extruded,TO-220,Aavid,1,
THERMAL_PAD,Sil-Pad for TF if needed,—,Bergquist,2,TF is isolated — still use pad for flatness