MARANTZ 7 hifi tube Preamplifier board DIY kits for amplifier speaker home audio and video system with 12AX7 or JJ ECC83S
Finished prodcut link :
![](https://ae01.alicdn.com/kf/HTB1T9ohOXXXXXcYapXXq6xXFXXX3/223712258/HTB1T9ohOXXXXXcYapXXq6xXFXXX3.jpg?size=28206&height=145&width=200&hash=09122f77f47d3160718bd84080761569)
Heda Moji, JP200 is a very classic front circuit, with Marantz 7 of the most pleasing voice. Marantz 7 well stacked the tone color, mellow vocals, dynamic outstanding, soft low frequency, for many years still play hifi enthusiast can not miss the selected objects
Parameter :
Input AC: 220V-0-220V 0-6.5V 0-10V
Output power: 10W 8ohm (ecc83)
8W 8ohm (12AX7)
Load range: 4ohm-8ohm
Frequency response: 20Hz--25KHz
Total harmonic distortion: 1% (1kHz)
Input sensitivity: 200mV--2000mV
Input impedance: 10K
Signal to noise ratio: 96dB±5dB
Tube link:
![](https://ae01.alicdn.com/kf/HTB1Y8VQMpXXXXaPXVXXq6xXFXXXP/223712258/HTB1Y8VQMpXXXXaPXVXXq6xXFXXXP.jpg?size=25292&height=150&width=150&hash=2708c894090b68e18826957755a80f5b)
![](https://ae01.alicdn.com/kf/HTB1NYVSMpXXXXaFXVXXq6xXFXXXf/223712258/HTB1NYVSMpXXXXaFXVXXq6xXFXXXf.jpg?size=26870&height=128&width=128&hash=7b78ad9f632c275926bf4dcd9b29c544)
The connection of the transformer :
![](https://ae01.alicdn.com/kf/HTB17ux6MpXXXXcCXpXXq6xXFXXXt/223712258/HTB17ux6MpXXXXcCXpXXq6xXFXXXt.jpg?size=26364&height=130&width=150&hash=b06dcf9615e62baafcb796b90b40735f)
The aluminum chassis :
![](https://ae01.alicdn.com/kf/HTB1Rqx_MpXXXXa4XpXXq6xXFXXXy/223712258/HTB1Rqx_MpXXXXa4XpXXq6xXFXXXy.jpg?size=25428&height=119&width=150&hash=fd94058326bdb1ca3e8eef2216ccd6f9)
Packing listing:
A Marantz 7 kits * 1pc
![](https://ae01.alicdn.com/kf/HTB1cdbmvS8YBeNkSnb4q6yevFXa0.jpg)
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