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Tisbury Audio
Challenge Amp 1
Reference Headphone Amplifier
Instruction Manual
CA-1 Instruction Manual, Rev. A
Copyright © 2014 Tisbury Audio
Page 1: ...Tisbury Audio Challenge Amp 1 Reference Headphone Amplifier Instruction Manual CA 1 Instruction Manual Rev A Copyright 2014 Tisbury Audio...
Page 2: ...Index 3 In the Box 3 Overview 4 Diagram 5 Usage Instructions 6 Warranty 7 Technical Specifications CA 1 Instruction Manual Page 2...
Page 3: ...Features Two gain settings 6 dB 2x 16 dB 6 3x High output power 1 W into 50 ohms Ultra low distortion 0 0003 THD 1 kHz 6 dBu into 32 ohms Low noise floor 110 dBV 128 dB dynamic range A weighted Flat f...
Page 4: ...ontrol 2 Status LED Blue normal Green muting relay active 3 1 4 6 35mm Headphone Jack 4 Gain Switch H high L low 5 Power Switch 6 Power Jack Use included power adaptor only 7 RCA Phono Input CA 1 Inst...
Page 5: ...connected 2 Set the volume to minimum and gain switch to L 3 Turn rear power switch on 4 Increase volume gradually to desired listening level 5 If more volume is required set the gain switch to H The...
Page 6: ...age Damage to Tisbury Audio products caused by misuse neglect accident modification or abnormal operating conditions including use of an incorrect power adaptor Modification or repair to products by a...
Page 7: ...See 1 THD 20 kHz 0 003 6 dBu 32 See 1 IMD CCIF 0 0004 6 dBu 32 See 2 Max Output Volts RMS Power Notes 16 ohms 3 4 V 725 mW See 3 32 ohms 5 5 V 945 mW See 3 50 ohms 7 1 V 1010 mW See 3 100 ohms 8 1 V 6...
