MoHa-Radio devices ship with default minimum amplification factors of 7.6x for Gen 1 circuits and 14.3x for Gen 2 circuits. Most models support complimentary upgrades to higher amplification levels. However, custom amplification modifications will incur charges based on accessory pricing, with no stability guarantees.
All models are shipped without inductors by default. Inductor prices are as follows:
Inductance type
Price
1H (1,000 mH)
1.5 CNY
2H (2,000 mH)
3 CNY
3H (3,000 mH)
3 CNY
Other specifications will be charged based on their respective prices.
II. Operation Amplifier
Select Gen 1 MoHa-Radio units feature default configurations with domestically produced Texas Instruments™ op-amps or compatible Chinese-manufactured alternatives (DIP8 package). Pricing for op-amp replacements is as follows:
OPA model
Price
Texas Instrument (China)
Free
Texas Instrument (U.S.A.)
Free
Philips NE5532 (Thailand)
Free
BB OPA2604 (U.S.A.)
+2 CNY
JRC5532 (Japan)
+2.5 CNY
JRC4558 (Japan)
+2.5 CNY
Ceramic-DIP Op-amps (overseas)
+8 CNY
Metal-DIP Op-amps (overseas)
+9 CNY
Final pricing subject to prevailing market rates. Product listings updated continuously.
2. Select Gen 2 MoHa-Radio units deploy Texas Instruments™ TLV9002 op-amps (SOP-8 package) as standard. Replacement pricing for alternative op-amps:
OPA model
Price
Texas Instrument TLV9002
Free
MDIC MD1622
+0.5 CNY
Texas Instrument OPA2365
+1.5 CNY
Final pricing subject to prevailing market rates. Product listings updated continuously.
III. Other accessories
Audio cables and other accessories can be purchased on behalf of customers. Fees will be based on prices listed on shopping platforms.
