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Tascam MH-8 manual

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Table of contents for the manual

  • Page 1

    MH-8 Headphone Amplifier D01098720A OWNER'S MANUAL Conte nts IMPO RT ANT SAFET Y INSTRUC TI ONS ........ 2 1 − Introduction ......................................... 4 Features ........................................................... 4 Include d item s ................................................. 4 Abo ut this manual ................[...]

  • Page 2

    2 T ASCAM MH-8 The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. The lightning flash with arrowhead symbol, within equilateral triangle, is intended to alert the user to the presence of unins[...]

  • Page 3

    T ASCAM MH-8 3 Do not expos e this app aratu s to drips or sp lashe s. • Do not pla ce any obje c ts fil le d w ith liqu id s, suc h • as vase s, on the ap paratu s. Do not ins ta ll this ap pa ra tus in a c onf in ed sp ace • such a s a book c ase o r similar u nit. T h e a p p a r a t u s d r a w s n o m i n a l n o n - o p e r a t i n g ?[...]

  • Page 4

    4 T ASCAM MH-8 Thank you for your purchase of the T ASCAM MH-8 Headphone Amplifier . Before connecting and using the unit, please take time to read this manual thoroughly to ensure you understand how to properly set up and connect the unit, as well as the operation of its many useful and convenient functions. After you have finished reading this ma[...]

  • Page 5

    T ASCAM MH-8 5 POWER switch and indicator  Press to turn power ON or OFF . The indicator lights when the power is ON. Overload (OL) indicators  These light if the level input to this device is too high (overloading with a clipping level of –3 dB or higher). Signal (SIG) indicators  These light when a signal (–20 dBu or greater[...]

  • Page 6

    6 T ASCAM MH-8 Rear panel  DIRECT INPUT jacks These direct input connectors provide direct line inputs for each channel.  FOLDBACK output connectors These output the input signals (INPUT 1 and 2) unchanged. NOTE When input is through INPUT 2’ s unbalanced RCA pin jacks, the nominal output level is converted to balanced +4 dBu.  INP[...]

  • Page 7

    T ASCAM MH-8 7 If you are having trouble with the operation of this unit, please try the following before seeking repair . If these measures do not solve the problem, please contact the store where you bought the unit or a T ASCAM Service Center . Power will not t urn ON. ª Con f i r m th at the p ow er plug is secu r ely ins er ted . • No sound[...]

  • Page 8

    8 T ASCAM MH-8 Audio inputs and outpu ts IN PU T 1 and 2 Connector XLR-3-31 (1: GND, 2: HOT , 3: COLD) Input impedance 56 kΩ Nominal input level +4 dBu (1.23 V) Maximum input level +24 dBu (12.3 V) IN PU T 1 Connectors 6.3 mm (1/4”) TRS Standard phone jacks (T ip: HOT , Ring: COLD, Sleeve: GND) Input impedance 56 kΩ Nominal input level +4 dBu ([...]

  • Page 9

    T ASCAM MH-8 9 Dimensional dr awings 10.5 mm 280 mm 14 mm 31.8 mm 432.6 mm 41.1 mm 0.9 mm 44 mm 434.2 mm 482.6 mm 465 mm Illustrations and other depictions may differ in part from the actual product. • Specifications and external appearance may be changed without notification to improve the product. • 4 – Speci f ica ti ons[...]

  • Page 10

    10 T ASCAM MH-8 Block diagram -2d B u +4 dB u -10 dB v -2 dB u M AX + 8d B u M AX + 8d B u +4 dB u -2d B u INP UTS 2 INP UTS 1 FO LD B ACK 1 FO LD B ACK 2 GN D L IF T CIR CU IT G RO UND CH ASSI S G RO UND TRS -L (M ONO) TRS -R INP UT 1 DI R 1 INP UT 2 DI RE CT INP UTS 1 TRS -L (M ONO) TRS -R INP UT 1 DI R 8 INP UT 2 DI RE CT INP UTS 8 . . . . . . I[...]

  • Page 11

    T ASCAM MH-8 11 Lev el diagr am -2d B u -2d B u -2d B u M AX + 8d B u M AX + 8d B u +4 dB u +4 dB u -2d B u -2d B u +4 dB u -10 dB v XL R - L TRS - L INP UT 1 L ED INP UT 1 LE VE L - L PH ONE 1-8 LE VE L - L FO LD B ACK - L INP UTS 1/ 2 (25 0m W @ 32 OHM ) INP UTS 1 X LR (+4 dB u) INP UTS 2 RC A (-1 0d Bv ) INP UTS 1 TR S INP UTS 2 X LR FO LD B ACK[...]

  • Page 12

    MH-8 TE A C CORPORA TION ww w . ta scam.j p Phone : + 81 - 42-356 - 91 43 1 -47 Ochiai, T a ma -sh i, T ok yo 206 -8 530, J apa n TE AC AMERICA , INC. ww w .tascam. com Phone : +1 - 323-7 26- 03 03 7733 T ele gr ap h Road, M onteb ell o, Califor nia 9 0 6 40 USA TE AC CANADA L T D. ww w .tascam. com Phone : +1 9 05 - 8 90 -8 0 08 Fac sim ile : + 1 [...]