Apt Corporation Stereo Power Amp 1
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Serial # E04624
Model # Power Amp 1
This is an APT Corporation Power Amp 1. It is rated at 100 watts per side @ 8 Ω.
It has minor scuffs and scratches, but operates well.
The complete schematic is attached to the bottom panel.
Additional details from the APT Corporation Manual:
The Apt 1 Amplifier is a power amplifier for driving loudspeakers in a wide range of home music systems.
It provides a flexible complement to the Apt/Holman pre amplifier, but it is meant to allow an optimum match, without detrimental interactions, to any other possible system components.
The chosen design supplies the maximum useful power presently attainable without concessions in reliability or cost-effectiveness. It features novel approaches to protection circuitry and power supply design, as well as DC and AC stability.
It incorporates psycho acoustically optimized output monitoring indicators, switching for both bridging (monaural) operation and loudspeaker impedance matching. A power transformer with low external flux minimizes the amplifier's radiated hum field.
The flat, U-I lamination transformer has also allowed a convenient mechanical design, with a horizontal component layout making all parts accessible at the same time. Most servicing points can be reached by removing just the top cover and the two amplifier heat-sink modules.
Specifications:
- Power output: 100 watts per channel into 8Ω (stereo)
- Frequency response: 1Hz to 30kHz
- Total harmonic distortion: 0.03%
- Damping factor: 200
- Input sensitivity: 0.925V
- Signal to noise ratio: 80dB
- Speaker load impedance: 4Ω to 16Ω
- Dimensions: 87 x 429 x 265mm
- Weight: 10kg
Service History: No service records were included from the prior owner. Here at the shop we did routine testing, cleaning and inspection, but no repairs were needed.
Cosmetic Condition: Overall we rated this at Very Good. Some very minor blemishes as shown.
See our feedback and thank you for considering. All the gear we sell is packaged with great care for safe arrival in the condition advertised and backed up by our 14 day full refund policy in the event you are not happy for any reason.
Local Pickup at our shop in Milwaukee, WI
Milwaukee Vintage
10220 W. Greenfield Ave
Milwaukee, WI
Open Tues-Friday 11-6
Saturday 11-3
Sunday, Mondays Closed
| Listed | 9 months ago |
|---|---|
| Condition | Very Good (Used) Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more |
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