Loxjie A30vsOldchen (Laochen) EL34-B
A detailed side-by-side comparison of the Loxjie A30 and Oldchen (Laochen) EL34-B — two popular amplifiers in the Chinese HiFi space.
Specifications
Spec
Loxjie A30
Oldchen (Laochen) EL34-B
Class
D
A
Chipset
Infineon MA12070
—
Power
2 × 80W @ 4Ω
10W x 2
Inputs
USB (DAC), Optical, Bluetooth, RCA
—
Features
Headphone Amp, Remote Control, EQ Presets, IPS Display
—
Topology
—
Single Ended Triode (SET)
Tubes
—
EL34 x2, 6N9P x2, 5U4G x1
Wiring
—
Point-to-Point (Hardwired)
Remote Control
✓
✗
Tube Stage
✗
✓
Price (estimated)
Price
~$169
~$170
Difference
~$1.00 cheaper (Loxjie A30)
Things to Know
Loxjie A30
- ⚠Low power output compared to Fosi/Aiyima; not suitable for insensitive speakers in large rooms.
- ⚠Headphone output impedance is high, which can alter the frequency response of low-impedance headphones.
- ⚠USB input is limited to 16-bit/44.1kHz (no high-res support via USB).
Oldchen (Laochen) EL34-B
- ⚠The '5U4G' rectifier is often wired in hybrid mode with silicon diodes, which purists dislike.
- ⚠Transformers run very hot, suggesting they are pushed near their saturation limits.
- ⚠Stock Chinese EL34 tubes can sound harsh compared to budget re-issues like Mullard or JJ.
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