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Hagerman Audio TUBA, Manual

Introducing the Hagerman Audio TUBA manual! Discover the full potential of your TUBA with this comprehensive user guide. Available for free download at our website, this manual equips you with step-by-step instructions and valuable tips to enhance your audio experience. Get yours today exclusively at manualshive.com.

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TUBA 

 

Headphone Amplifier 

 
 

 

 
 
Made in USA 

Summary of Contents for TUBA

Page 1: ...TUBA Headphone Amplifier Made in USA ...

Page 2: ...rges 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 has been improperly connected to other equipment or has been modified without the express written permission of Hagerman Audio Labs This warranty is limited to the replacement or repair of this product and not to damag...

Page 3: ...very low distortion and huge signal headroom An internal switching power supply boosts the 15Vdc input by a factor of ten for B after a 30 second warm up delay The amplifier is conveniently turned on and off by pressing the volume knob inwards Specifications Item Specification Sensitivity 3 5Vrms Input Impedance 50k ohm Output Impedance 5 35 ohm LO HI Bandwidth 10Hz to 150kHz Output Power 350mW 32...

Page 4: ...he 15Vdc wall wart power supply and plug in Attach RCA interconnects to your favorite source linestage phonostage computer Plug in headphones on front panel Press VOLUME knob to turn on Left side indicator should light up immediately After 30 seconds or so the high voltage will fire up and turn on the right side indicator ...

Page 5: ...8k2 R7 8k2 C2 470uF C4 470pF L1 50uH C1 47nF R3 3R3 D3 1N4937 C3 47uF R5 220k R4 220k 15V Q2 2N3906 Q1 PFET R1 4k7 R2 100 D1 LED S1A R6 2k2 DRIVE H1 6V H2 6V C12 470uF R16 2k2 Hagerman Audio Labs PO Box 61911 Honolulu HI 96839 25V 5W 25V 25V 1340mA 15V 760mA 12V ...

Page 6: ...E D2 LED V1 EL84 R14 330 C10 470nF C11 470uF R13 330 L22 157G R15 330 R10 330 C7 47uF C9 4u7F R12 50k J3 J4 C8 470nF 15V R17 4R7 T1 119DA Q4 2N3906 Hagerman Audio Labs PO Box 61911 Honolulu HI 96839 140V 16V 25V 30H 250V 250V 250V 7 2 3 9 15mA 5V 150V LOG 350mW 5 OHM 7VRMS 1 3VRMS ...

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