Hagerman Audio Labs TRUMPET REFERENCE, Manual

Page 1: ...TRUMPET REFERENCE Vacuum Tube Phonostage Made in USA...

Page 2: ...ansportation charges prepaid to Hagerman Audio Labs This warranty does not apply if the product has been damaged by negligence accident abuse or misuse or misapplication has been damaged because it ha...

Page 3: ...in a side by side configuration Status LEDs on the front panel indicate operational settings of the various functions In addition to standard RIAA equalization three other curves used in the LP microg...

Page 4: ...pplies will activate Controls Control Description POWER This button toggles power on and off The left LED indicates heater voltage for the tubes the right LED indicates high voltage EQ There are four...

Page 5: ...ndation Generally loading provided by the Trumpet Reference is effectively lower than the equivalent from a transformer That is if you like the sound from 100 ohm transformer loading into the MM input...

Page 6: ...J4 J2 J3...

Page 7: ...05 03 14 PIC16F88 17 A0 B4 10 R2 10k R3 10k R4 10k CLR SDA SCL R5 1k R6 1k D1 YEL D2 YEL C2 100nF 2 1 3 4 5 6 R1 10k 2 1 3 4 5 6 7 8 9 10 11 12 LOAD0 HEATER POWER LOAD1 LOAD2 MONO GAIN INPUT BASS CUT...

Page 8: ...1k D11 YEL R18 1k D12 YEL R19 1k D13 YEL R20 1k D14 YEL SCL SDA R9 1k CLR D3 YEL RES A0 P6 P7 18 09 16 17 06 U3 MCP23008 05 P5 P4 P3 P2 P1 P0 15 14 13 12 11 10 SCL SDA A2 A1 04 03 02 01 INT 08 VCC R10...

Page 9: ...P1 P0 15 14 13 12 11 10 SCL SDA A2 A1 04 03 02 01 INT 08 VCC R22 1k D16 YEL R23 1k D17 YEL R24 1k D18 YEL R25 1k D19 YEL R26 1k D20 YEL R27 1k D21 YEL R28 1k D22 YEL SCL SDA C5 100nF VCC Hagerman Audi...

Page 10: ...P4 P3 P2 P1 P0 15 14 13 12 11 10 SCL SDA A2 A1 04 03 02 01 INT 08 VCC SDA SCK R34 1k R33 1k R32 1k R31 1k R30 1k R29 1k Q6 ZTX549 Q5 ZTX549 Q4 ZTX549 Q3 ZTX549 Q2 ZTX549 Q1 ZTX549 LOAD1 LOAD2 MONO GAI...

Page 11: ...15 14 13 12 11 10 SCL SDA A2 A1 04 03 02 01 INT 08 VCC SDA SCK R40 1k R39 1k R38 1k R37 1k R36 1k R35 1k Q12 ZTX549 Q11 ZTX549 Q10 ZTX549 Q9 ZTX549 Q8 ZTX549 Q7 ZTX549 CUT0 CUT1 POLAR MUTE HEATER VCC...

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Page 13: ...F ADJ OUT 1 3 4 2 U1 KA278RA05 C4 1mF C1 10nF C3 10mF N2 N1 6VAC 6VAC 600VAC 600VAC 2 1 3 4 5 6 2 1 3 4 5 6 300V 6V 300V 5V POWER HEATER R16 1k D15 LED 5V Hagerman Audio Labs PO Box 61911 Honolulu HI...

Page 14: ...21 C7 10mF ADJ OUT 1 3 4 2 U3 KA278RA05 C10 1mF C8 10mF 6VAC 6VAC R3 1k30 R4 0R22 C5 10mF ADJ OUT 1 3 4 2 U2 KA278RA05 R2 0R22 C9 1mF R1 1k30 C6 10mF 6V 8 S1 1 2 7 HEATERS R17 1k D16 LED Hagerman Audi...

Page 15: ...8 S2 1 2 7 POWER D9 1N4007 D10 1N4007 D12 1N4007 D11 1N4007 C13 10nF C14 10nF R7 10 R8 10 L1 157J L2 157J L3 157J L4 157J C15 100uF C17 100uF C16 100uF C18 100uF R11 330 R12 330 250V 250V R14 100k D13...

Page 16: ......

Page 17: ...uF C7 1uF C8 1uF 230V 230V 2 1 3 4 5 6 2 1 3 4 5 6 8 7 9 10 11 12 LOAD0 LOAD1 LOAD2 MONO GAIN INPUT BASS CUT0 CUT1 POLAR MUTE 6V Hagerman Audio Labs PO Box 61911 Honolulu HI 96839 J1 300V 6V GND 6V GN...

Page 18: ...AD1 LOAD0 8 1 2 3 4 7 6 5 S1 Z2132 MONO C19 1mF Q1A LSK389 Q1B LSK389 R14 10k R15 10k R12 470 R13 100 8 1 2 3 4 7 6 5 S5 Z2132 R10 4k7 R11 4k7 C21 220nF PRE GAIN C20 1mF 270V 270V C17 0pF C22 220nF PR...

Page 19: ...PRE 8 1 2 3 4 7 6 5 S6 Z2132 INPUT J4 R18 220k R20 68k 8 1 2 3 4 7 6 5 S1 Z2132 MONO R19 220k PRE INPUT INPUT Hagerman Audio Labs PO Box 61911 Honolulu HI 96839...

Page 20: ...0k C26 10uF V1B 12AX7 R27 150k R24 220k R31 150k R25 220 R28 150k R29 150k D1 1N4148 INPUT INPUT C23 47nF R32 10k 8 1 2 3 4 7 6 5 S8 Z2132 R33 22k BASS C24 220nF C25 220nF BASS BASS 270V 270V Hagerman...

Page 21: ...R39 150k R36 150k R43 150k R37 220 R40 150k R41 150k D2 1N4148 BASS BASS 8 1 2 3 4 7 6 5 S10 Z2132 CUT0 8 1 2 3 4 7 6 5 S9 Z2132 C27 680pF R44 4k7 C28 330pF R45 10k CUT1 R47 470k C29 680pF R46 4k7 EQ...

Page 22: ...Q 8 1 2 3 4 7 6 5 S12 Z2132 J5 R50 220 R54 220 V3B 12AU7 V4B 12AU7 R55 220 R53 220 R49 220 R57 220 EQ C32 1uF R59 470k R62 100k R51 220 8 1 2 3 4 7 6 5 S11 Z2132 POLAR MUTE D3 1N4148 D4 1N4148 300V R6...