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We believe that the unremitting pursuit of high-quality audio products is our responsi- bility and your ideal. In order to make A-238 II (Class A Balanced Hybrid Amplifier) better performance and bring you greater pleasure, we recommend that you read this manual carefully before con- necting and operating the system.
01/ CHARACTERISTICS 02/ FRONT PANEL FUNCTION A-238 II(Class A Balanced Hybrid Amplifier) is designed by Shengya feature on vacuum tube and 32 high-power transistors to form 100W (8Ω) pure Class A output power per channel. In ad- and transistor hybrid power amplifiers. It adopts fully balanced Class A amplifier circuit recog-...
02/ FRONT PANEL FUNCTION 03/ BACK PANEL FUNCTION INDICATOR WINDOW When the machine is turned on, the color of the table board is XLA INPUT TERMINAL BALANCED R displayed in blue. When the machine enters the working state after This terminal is used to connect the right channel output terminal a delay, the color of the table board is displayed in red (CLASS A) or of the audio source.
04/ REMOTE CONTROL 04/ REMOTE CONTROL Function Description Preparation Use operation GAIN The user can choose the 0dB or -8dB gear according to the output level of the audio source; The effective distance of the remote control is When the output level of the audio source is too high (over 2.5V), about 7 meters.
05/ SYSTEM CONNECTION 05/ SYSTEM CONNECTION RCA WIRING METHOD XLA WIRING METHOD ANALOG OUTPUT ANALOG OUTPUT BALANCED BALANCED BALANCED BALANCED The RCA audio output terminal of the signal source The XLA audio output terminal of the signal source (CD player) is connected to the left and right channel (CD player) is connected to the left and right channel RCA input terminals correspondingly.
05/ SYSTEM CONNECTION 06/ PRECAUTIONS PURE POWER AMPLIFIER WIRING METHOD ANALOG OUTPUT Please place the machine in a Do not place containers with liquids BALANCED BALANCED well-ventilated and dry place for (such as vases,water cups, oil bot- The RCA audio output terminal of the signal source work.Do not place it in direct sun- tles,etc.) on the machine, and do (CD player) is connected to a preamplifier audio input...
07/ FAULT GUIDANCE 08/ PARAMETERS ABNORMAL REASON SOLUTION 1.The power cord is not connected properly 1.Connect the power cord 1.Frequency response ················· : 20Hz-20kHz±0.5dB 6.Low level input sensitivity ·········· : 150mV THE SCREEN 2.AC fuse blown 2.Ask qualified maintenance personnel to replace the fuse IS DARK 3.The power switch is not pressed 3.Press the power switch...
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