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9i-906 "Silver Fox" Headphone Amplifier
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9i-906 "Silver Fox" Headphone Amplifier

The nickname of 9i-906 headphone amplifier is "silver fox", which is designed to drive monster level headphones. Its circuit architecture originates from the large power amplifier. When many redesigns for electrical characteristics and adjustments of sound style were completed it became a wonderful headphone Amp. Its sound style is high analytical, high density and neutral without tendency. As a high-end audio equipment, neutral is the most important characteristics.

Whether it is high sensitivity or low ,high resistance or low , dynamic earphone or flat panel headset, "silver fox" can adapts to them by it's super driving ability and outstanding quality. It can show the characteristics of headphone more than normal headphone amp.
Product serial number
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Product description
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1: Introduction:
 

9i-906 "silver fox" is a high-power and high-performance headphone power amplifier. It's circuit design is complex and perfect , with strong power supply and high current design.  4 pairs of  high-power British FET are used in output part ,the output capacity is to 30 Ω / 20.   Ultra low sensitivity  headphones can also be driven with excellent audio performance.
 

It has four output modes: Normal, Balanced(BTL), Virtual Ground(Active G) and Parallel, as well as three low resistance modes and one high resistance mode. It can be matched with a variety of headphones.
 

It has two  balanced inputs and two unbalanced. Even if you input an unbalanced signal the internal circuit will convert it into a balanced signal .  Therefore, even if you input an unbalanced signal  you will also get the maximum output power.
 

"Silver fox" has four output interfaces: 4 pin XLR balanced, 6.35 single , 4.4 balanced as well as double 3 pin XLR balanced .

2: Operating instructions:
 
"Silver fox" is a pure headphone Amp and the operation is very simple. There are only several function keys: power switch, input selection, output mode selection , high/low resistance selection.
 

Long press the out key to switch between high and low resistance modes. There are four kinds of headphone impedance options: high resistance, low resistance 1, 2 , 3.  You can selected any mode according to wether there is noise. High resistance mode is recommended in most cases.
 
 

3: Performance parameters:
 
Power: 20W (30 Ω BTL, distortion 0.02%)

Frequency response: 20-20KHz (0.2db)

Net Weight: 12kg

GRoss Weight: 13.7kg

 
 
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