Description
QUAD-707 Amplifier Board Power Amp Board Referring to Amplifier for QUAD 707
Specifications:
- Supply voltage: DC ± (25V ~ 55V); DC ±45V recommended
- Output power: 125W 8R; 250W 4R
- Frequency response APSYS 2 test data: 20HZ at -0DB, 10HZ at -0.3DB, 10KHZ at -0.1DB, and 20KHZ at -0.3DB (measured by SR 25V/US oscilloscope)
- THD+N < 0.01%
- PCB size: 145 x 50mm/5.7 x 2"
- Magnification (gain) = 51.5X
- Output stage quiescent current = 0 MA
- Mono quiescent current: about 100MA
- Recommended heat sink: over 500g/1.1lb per channel (at ± 45V)
- Original TLC271 op amp of high performance
- 6pcs 2SD718 transistors (180V, 10A and 100W) per channel as output transistors
Package Included:
- Power Amp
Specifications:
- Supply voltage: DC ± (25V ~ 55V); DC ±45V recommended
- Output power: 125W 8R; 250W 4R
- Frequency response APSYS 2 test data: 20HZ at -0DB, 10HZ at -0.3DB, 10KHZ at -0.1DB, and 20KHZ at -0.3DB (measured by SR 25V/US oscilloscope)
- THD+N < 0.01%
- PCB size: 145 x 50mm/5.7 x 2"
- Magnification (gain) = 51.5X
- Output stage quiescent current = 0 MA
- Mono quiescent current: about 100MA
- Recommended heat sink: over 500g/1.1lb per channel (at ± 45V)
- Original TLC271 op amp of high performance
- 6pcs 2SD718 transistors (180V, 10A and 100W) per channel as output transistors
Package Included:
- Power Amp
Data tested by an oscilloscope:
APSYS 2 Test Data:
Frequency response: 20HZ at -0DB, 10HZ at -0.3DB, 10KHZ at -0.1DB, and 20KHZ at -0.3DB
THD+N < 0.01%
Mounting holes of transistors:
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2. For remote regions of DHL/FedEx..., extra shipping costs might be charged. Usually it costs about 30USD-50USD. We will contact you if shipping company informed us your address belongs to remote area. Thanks for your understanding.
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returning process for replacement or refund.
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On May 27, 2023 at 00:29:42 PDT, seller added the following information: