GUITAR AMPLIFIER OWNER’S MANUAL GTH-100 Tube Guitar Head Amp w/ Reverb
GTH-100 Tube Guitar Head Amplifier with Reverb Congratulations on your choice of guitar amplifier — you have purchased one of the finest guitar amplifiers on the market today. This unit was developed using the expertise of professional sound engineers and working musicians. You will find that your new NADY AUDIO GTH-100 has superior performance and greater flexibility than any other guitar amplifiers in its price range. Please read this manual carefully to get the most out of your new unit.
WA R N I N G An equilateral triangle enclosing a lightening flash/arrowhead symbol is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure which may be of sufficient magnitude to constitute a risk of electric shock.
I N S TA L L AT I O N To ensure years of enjoyment from your NADY AUDIO GTH-100, please read and understand this manual thoroughly before using the unit. INSPECTION Your NADY AUDIO GTH-100 was carefully packed at the factory in packaging designed to protect the units in shipment. Before installing and using your unit, carefully examine the packaging and all contents for any signs of physical damage that may have occurred in transit. [Please note: Nady Systems is not responsible for shipping damage.
FRONT CONTROLS AND CONNECTIONS (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) 1. POWER SWITCH This switch turns the main power on and off. Flipping the toggle switch up to the ON+ position will turn on the amp “in phase” with the main AC line voltage. Flipping the switch down to the ON- position will reverse the polarity. In some cases, AC hum (caused by ground loops) can be reduced by reversing the polarity. Select the On position which has the least amount of AC hum.
REAR CONTROLS AND CONNECTIONS (1) (2) (3) (4) (5) 1. POWER CONNECTION A standard IEC AC power socket for connecting to the main AC supply. The IEC power socket has an integral fuse holder that takes a 20mm fuse. (6) (7) 5. SPEAKER OUTPUTS Power output jacks for connecting to 4Ω, 8Ω, and 16Ω speaker cabinets.
S P E C I F I C AT I O N S Power Amp Section ..................................................................................................................................Four EL34 Tubes Power Output ....................................................................................................100W RMS @ 4Ω — 8Ω — 16Ω 5% THD Preamp Section ..................................................................................................................................Three 12AX7A Tubes Input Imp. .
SERVICE FOR YOUR NADY AUDIO PRODUCT (U.S.) Should your NADY AUDIO product require service, please contact the Nady Service Department via telephone at (510) 652-2411, or e-mail at service@nady.com. (International) For service, please contact the NADY AUDIO distributor in your country through the dealer from whom you purchased this product. DO NOT ATTEMPT TO SERVICE THIS UNIT YOURSELF AS IT CAN BE DANGEROUS AND WILL ALSO VOID THE WARRANTY. NADY SYSTEMS, INC.