BenchmarkDAC1usedBenchmark DAC1 modded, univ voltageBenchmark DAC1, black, heavily modified by Parts Connection (Chris Johnson of Sonic Frontiers and Anthem). Classic DAC1 (no USB) which still to this day is considered a reference and many users ...580.00

Benchmark DAC1 modded, univ voltage [Expired]


no longer for sale

Benchmark DAC1, black, heavily modified by Parts Connection (Chris Johnson of Sonic Frontiers and Anthem). 
Classic DAC1 (no USB) which still to this day is considered a reference and many users prefer it to newer DAC2 and 3 based on Sabre and AKM chips.   
Long list of enhancements below, mostly focusing on replacing 5533 opamps, replacing capacitors with Black gates, replacing resistors on output stages, new RCA connectors and fuses. The amount of mod work is non trivial considering the size of the device - see photos.

Good condition, rating of 7 due to typical wear

Universal voltage, 90-250v 50/60 hz, will work anywhere in the world.

SEMI-CONDUCTORS         

AD1896A, AK4114VQ, AD1853                 28.322MHz                                        

CREE 4A 600V Rect. diodes  68248 (4), Constructed bridge from discrete            4 (RCA)          4 (XLR)

VDB627 was N5532A(Dual) SMT    opamps 64342            (6) I/V, RCA O/P stage

VDB627 was N5532A(Dual) SMT    opamps 643428 I/V, XLR O/P stage

CAPACITORS - Electrolytic                                                                        

22uF / 6.3V BG NX , Black Gate 60205 (5)  Upsampler/AKM , 5 (RCA), 5 (XLR)

100uF / 10V BG PF, Black Gate 60167 (2)   DAC, 2 (RCA), 2 (XLR)

                                                                              RESISTORS .5W                                                                              

33R (was 30R1) SMT, Riken 62057 (6), Series O/P RCA; Series O/P XLR 2(RCA)           4(XLR)

270R (-20dB only), Riken 62072 (4), XLR O/P series (4)

2K7 Riken 62088 (4) I/V O/P Series, 4 (RCA), 4(XLR)

                                                                                  WIRE - inches per R/B pr                                                                              

Silver Teflon wire – Red, Dhlabs       63005  0.25     R/ch - RED - Pre Amp O/P to Amp I/P         2         

Silver Teflon wire – Wht, Dhlabs       63006 0.25     L/ch - WHT - Pre Amp O/P to Amp I/P         2         

TCSS wire – Blk, Kimber       51905  0.25     Common - BLK - Pre Amp O/P to Amp I/P  2         

 

Misc.                                                                          

12"X6" Soundcoat damping panel Inside Covers & Chassis

RCA Jacks O/P's - pair sm (9/16" Centre to Centre Mounting Space only), Vampire 55458            1pr L&R            

2' 22 ga. WBT 4% Silver Solder        





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