User manual TASCAM MH-8

[. . . ] Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. CAUTION Changes or modifications to this equipment not expressly approved by TEAC CORPORATION for compliance could void the user's authority to operate this equipment. CE Marking Information a) Applicable electromagnetic environment: E4 b) Peak inrush current: 9. 124 A Norwegian: Produkter med Klasse I konstruksjon er utstyrt med en ekstern strømforsyning med en 3-pins tilkoblingskontakt. Swedish: Produkter med Klass 1 konstruktion är utrustad med strömförsörjning med jordad 3 stifts strömadapter. Sladdkontakt till denna måste kopplas till en AC adapter med skyddande jord. [. . . ] The cord of such a product must be plugged into an AC outlet that has a protective grounding connection. · If the product uses batteries (including a battery pack or installed batteries), they should not be exposed to sunshine, fire or excessive heat. · CAUTION for products that use replaceable lithium batteries: there is danger of explosion if a battery is replaced with an incorrect type of battery. · Caution should be taken when using earphones or headphones with the product because excessive sound pressure (volume) from earphones or headphones can cause hearing loss. · If you are experiencing problems with this product, contact TEAC for a service referral. Do not use the product until it has been repaired. ª RACK-MOUNTING THE UNIT Use the supplied rack-mounting kit to mount the unit in a standard 19-inch rack, as shown below. Remove the feet of the unit before mounting. 13 Unplug this apparatus during lightning storms or when unused for long periods of time. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. NOTE · · Leave 1U of space above the unit for ventilation. Allow at least 10 cm (4 in) at the rear of the unit for ventilation. TASCAM MH-8 3 1 - Introduction Thank you for your purchase of the TASCAM 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 manual, please keep it in a safe place for future reference. You can also download the Owner's Manual from the TASCAM web site (http://www. tascam. com). NOTE Explanation of actions in special situation and supplement. CAUTION Instructions that should be followed to avoid injury, damage to the unit or other equipment. Trademarks · TASCAM is a trademark of TEAC Corporation, registered in the U. S. and other countries. Features · Rack-mountable 1U size · 8 headphone outputs · Maximum output of 250 mW + 250 mW (at 32) · 2 pairs of inputs · INPUT 1 on XLR connectors or TRS phone jack inputs · INPUT 2 on XLR connectors or RCA pin jack inputs · Each headphone output channel also has direct inputs · Every input and output channel has an overload indicator and a signal indicator · Other company names, product names and logos in this document are the trademarks or registered trademarks of their respective owners. Precautions and notes for placement and use · The operating temperature should be between 5°C and 35°C (41°F and 95°F). · Make sure that the unit is mounted in a level position for correct operation. · Do not place any object on the unit for heat dissipation. · Ground lift switch allows signal grounding to be turned ON or OFF for all channels at the same time · Avoid installing this unit on top of any heat-generating electrical device such as a power amplifier. Included items The included items are listed below. Please contact the store where you purchased this unit if any of these items are missing or have been damaged during transportation. · · · · · Main unit (MH-8). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Power cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 A rack-mounting screw kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 A warranty card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Owner's manual (this manual) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Cleaning the unit To clean the unit, wipe it gently with a soft dry cloth. Do not wipe with chemical cleaning cloths, benzene, paint thinner, ethyl alcohol or other chemical agents to clean the unit as they could damage the surface. About this manual In this manual, we use the following conventions: · The names of keys and controls are given in the following typeface: POWER. when needed: · Additional information is introduced in the styles below 4 TASCAM MH-8 2 - Names and Functions of Parts Front panel POWER switch and indicator 11 Press to turn power ON or OFF. Overload (OL) indicators 21 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 31 These light when a signal (­20 dBu or greater) is detected at an input jack. [. . . ] u1 INPUT 1 TRS jacks These TRS jacks are balanced line inputs for INPUT 1. NOTE Signals should not be input to both the XLR and the TRS connectors at the same time. Use either the XLR or the TRS connectors for input. i1 Signal ground (SIGNAL GND) connector Use a commercially available PVC-covered cord to connect this connector to the signal ground. · Specifications and external appearance may be changed without notification to improve the product. TASCAM MH-8 9 INPUTS 1 R INPUTS 2 L INPUTS 2 R INPUTS 1 L +4dBu INPUT 1 LEVEL - L Max +22dBu INPUT 1 1/2 U102 1/2 U303 1/2 U301 PHONES 1 LEVEL - L -2dBu MAX +8dBu XLR - L J101 1/2 Block diagram 4 ­ Specifications 10 TASCAM +4dBu 1/2 U302 Max 250mW@32 OHM DIR 1 -2dBu DIRECT INPUTS 1 1/2 SIG TRS-R J302 1/2 U302 U102 INPUT 2 PHONES 1 LEVEL - R 1/2 U303 . U305 1/2 COMPARATOR U304 PHONES 1 J303 PHONES 1 LED TRS-L(MONO) J301 INPUT 1 LEVEL - R 1/2 U002 TRS-L(MONO) J003 DIR 8 PHONES 8 LED DIRECT INPUTS 8 COMPARATOR 1/2 SIG TRS-R J002 1/2 U002 INPUT 2 PHONES 8 LEVEL - R U001 1/2 1/2 U003 OL U905 U904 1/2 LOGARITHMIC AMP. [. . . ]