The Dukane 1A729 is designed to serve as a complete sound distribution system for professional applications. This particular unit has not been thoroughly tested due to limited resources, but was pulled from a working PA system. Purchase should be made by individual's familiar with refurbishing vintage audio components/systems.

The Dukane Models 1A729 transistorized in-wall amplifier is designed to serve as a complete sound distribution system, offering standard 25-Volt or 70-Volt speaker line output, input facilities for up to eight microphones, a radio tuner, and phono input. This amplifier has a power output of 60-Watts, providing robust and clear audio amplification. Designed for professional applications, it offers various options for improved sound reproduction, including Octave Filter, Compressor, Dual Microphone Expander, and Remote Volume Controls.

Features:

Robust Amplification: 

• Provides 60-Watts of RMS power output for clear and reliable audio amplification.

Versatile Inputs: 

• Accommodates up to eight microphones and two auxiliary inputs for versatile audio source connectivity.

Customizable Options: 

• Supports additional components like Octave Filter, Compressor, and Dual Microphone Expander for enhanced sound reproduction.

Convenient Installation: 

• Mounts easily into backboxes with provided hardware, ensuring a secure and stable installation.

Grounding Protection: 

• Includes grounding features for improved safety and performance.

Easy Operation: 

• Features intuitive front panel controls for easy volume adjustment and input selection.

Protective Measures: 

• Equipped with internal and external fuses for added safety during operation.

Technical Specifications:

• Power Output: 60-Watts (RMS)
• Distortion: Less than 2% at rated power output from 40 to 20 kHz
• Frequency Response: 40 to 20 kHz ± 2dB
• Power Source: 105-125VAC, single phase, 50-60 Hz
• Power Required: 150 Watts at rated output, 30 Watts at idle
• Fuse: (1) 1.5 Ampere Slo-Blo
• Noise Level: Better than 60dB down from 300uV reference input for microphone, 75 dB below output for auxiliary
• Inputs: (4) microphone, low impedance; (4) optional microphone inputs; (2) auxiliary high impedance inputs
• Input Sensitivity: Microphone: 300 uV maximum; Auxiliary: 0.4 V rms

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I will ship UPS Ground same-day if ordered before 1pm Central, but no later than 1 business day handling time (business days are M-F). This will be packed with exquisite care.

I will accept returns within 30 days, but please carefully review the notes and all pictures before buying!

Please also feel free to message me if you have any questions.

Thanks for looking!