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  • MASS-Kobo Model 465 - Ex Demo - Black
Out of Stock - Allows Pre-Orders

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  • MASS-Kobo Model 465 - New - Grey
  • MASS-Kobo Model 465 - New - Black

MASS-Kobo Model 465

Flagship Hand-made Fully Balanced Headphone Amplifier

  • Features independent left and right power for a twin balance monaural design.
  • Clean audio experience where the presence of the amplifier is barely noticeable.
  • Offers 3.5 W + 3.5 W (32 Ω load) of power output, while supporting Balanced XLR 3-pin and Unbalanced RCA inputs.
New - Grey
New - Black
Ex Demo - Black
Regular price $25,014.00
Sale price $25,014.00 Regular price
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  • Estimated Delivery:Nov 25 - Nov 29

MASS-Kobo Model 465

MASS-Kobo Model 465

The Model 465 is designed with independent left and right power, creating a twin balance monaural configuration. This unique design enhances the audio experience by providing a clean and stress-free sound, where the presence of the amplifier is virtually undetectable. It delivers a flagship sound quality that surpasses expectations.

In terms of output, this amplifier offers balanced output of 3.5 W + 3.5 W (32 Ω load), ensuring sufficient power to drive compatible devices. The input options include Balanced XLR 3-pin and Unbalanced RCA, catering to various connectivity needs.

When using the Balanced input, it's important to note that the reference input level can be selected between +4 dBm and -10 dBm. This feature allows you to optimize the input level based on your specific setup and equipment requirements.

It's crucial to maintain the appropriate connection between devices to ensure optimal audio performance. If you connect a device with an unbalanced output to a balanced input, the output will not remain balanced. Therefore, it's recommended to connect devices with unbalanced outputs to the RCA input terminals to maintain the intended balance.

Technical Specifications

Model
Full Balanced Stereo headphone amp
Power Supply
AC100 - 240V, 50/60Hz
Electric Energy Consumption
0.9A (with AC100V)
Dimensions
330mmW x 247mmD x 104mmH
Weight
6.1kg
Balanced
Unbalance
Input
XLR3 x2
RCA x 2
Output
XLR4-31 x 1 or XLR3-31 x 2(L,R)
φ6.3 TRS
Input Impedance
3.7kOhm(XLR)
20kOhm(RCA)
Reference Input Level
+4dBm/-10dBm (Selectable)
-10dBm (RCA)
Maximum Input Level
+30dBm (XLR)
+20dBm (RCA)
Balanced
Unbalance
Maximum Output Level P-P
32V (with 32Ω loaded, 1kHz, THD+N 0.05%)
22V (with 32Ω loaded, 1kHz, THD+N 0.05%)
Maximum Output Level RMS
10.7V (with 32Ω loaded, 1kHz, THD+N 0.05%)
7.4V (with 32Ω loaded, 1kHz, THD+N 0.05%)
Maximum Output without Distortion
3.8W+3.8W (with 32 ohm load, 1kHz, THD+N 0.05%)
1.8W+1.8W (with 32 ohm load, 1kHz, THD+N 0.05%)
Frequency Characteristics
10Hz - 100kHz (-0.5dB)
17Hz-50KHz(-0.2dBm)

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