MASS-Kobo Model 433

In Stock and Ready to Ship
In Stock - Ships in 1 to 3 business days

Monday to Friday, except bank holidays. Subject to stock availability and security checks.

MASS-Kobo Model 433

Hand-made Full Balanced Headphone Amplifier

  • Model 433: A delivering high-quality sound from input to output.
  • Combines the best features of models MASS-Kobo 406 and MASS-Kobo 394.
  • Versatile inputs, including XLR Balance Input and RCA Unbalance Input, with internal signal conversion.
Regular price $2,449.00
Sale price $2,449.00 Regular price
Unit price
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Tax Included for UK Customers.
International Customers will incur local taxes and duty charges. Read More.
MASS-Kobo Model 433

MASS-Kobo Model 433

Regular price $2,449.00
Sale price $2,449.00 Regular price
Unit price
Product description
Technical Details
Shipping & Returns
Warranty Policy

Model 433 is a full balanced amplifier that ensures high-quality sound from input to output.

By combining the sound characteristics inherited from the esteemed models 406 and 394 with the output circuit of the model 402 used by the Japanese broadcasting station NHK, it delivers a pleasant and satisfying audio experience.

It offers a range of inputs, including XLR Balance Input or RCA Unbalance Input, with the capability to internally convert unbalanced signals to balanced signals.

The power supply supports worldwide use with AC 100V-240V and 50/60Hz compatibility.

With ample power, model 433 is capable of driving standard dynamic headphones effectively.

technical specifications
Model
Full Balanced Stereo headphone amp
Frequency Characteristics
10Hz - 100kHz (-0.5dB)
Power Supply
AC100 - 240V, 50/60Hz
Electric Energy Consumption
0.5A (with AC100V)
Type
Compact desktop
Dimensions
232mmW x 210mmD x 48mmH
Weight
2.4kg
Balanced
Unbalance
Input
XLR3-31
RCA
Output
XLR4-31
φ6.3 TRS
Input Impedance
3.7kΩ (XLR)
12kΩ (RCA)
Reference Input Level
+4dBm/-10dBm (XLR)
-10dBm (RCA)
Maximum Input Level
+25dBm (XLR)
+10dBm (RCA)
Maximum Output Level
Balanced
Unbalance
P-P
18.8V (with 32Ω loaded, 1kHz, THD+N 0.05%)
12.2V (with 32Ω loaded, 1kHz, THD+N 0.05%)
RMS
6.2V (with 32Ω loaded, 1kHz, THD+N 0.05%)
4.1V (with 32Ω loaded, 1kHz, THD+N 0.05%)
Maximum Output without Distortion
1.2W+1.2W (with 32 ohm load, 1kHz, THD+N 0.05%)
500mW +500mW (with 32 ohm load, 1kHz, THD+N 0.05%)

RETURNS POLICY

Elise Audio has a standard 14-day return / exchange policy for electronic products (DAC/DAP):

Must be returned in like-new factory condition 

Must include all original packaging and accessories

Please note that the return shipping cost is to be paid by the customer.

Returning products that raise hygiene concerns - Products that have contact with the ear, nose or throat can only be returned for a full refund if sent back sealed and in unused condition. This applies all in-ear monitors.

If you are dissatisfied with your product please get in touch with us. We may be able to offer credit for another purchase (subject to inspection of the returned product) or to purchase the product back as used if we can dispose of the item as B stock. Please note the products would need to be inspected before any final offers are made but, as a guidance only, a 20% restocking fee will be applied on most in-ear monitors.

Custom made products - Products that have been custom made to the customer's specification cannot be returned for a refund or credit under this policy.

Read our full Returns, Warranty & Terms of service by clicking here

SHIPPING

We offer a range of delivery options to suit your purchasing needs. The options are presented to you at the checkout, in an easy to understand way.

Most orders for In-Stock items are shipped within 1 to 3 business days (Monday to Friday, except bank holidays), subject to stock availability and security checks. Please ensure you provide a valid phone number for us to contact you should verification of your identity be required.

For More information about our Shipping Policy please click here


Royal Mail Special Delivery - Next Business Day

Products purchased from Elise Audio are supplied with a manufacturer warranty that is specified on the product page on our website. Most products come with a 1Y manufacturer warranty (or 3 months for B-grade, open box, refurbished, ex-demo and second hand items).

The manufacturer's warranties are limited to physical defects in the materials, parts and workmanship used in making the product. Abnormal conditions, deliberate abuse and damage due to accidents, operator's error, or unauthorized service attempts are excluded from any warranty claims.

Faulty goods returned under the manufacturers warranty are to be returned to Elise Audio at the cost of the customer. Elise Audio will cover the cost of shipping the repaired or replacement product back to the customer.

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