Does the Drop THX AAA 789 drive the Beyerdynamic T1 (3rd Gen)?
Computed from rated specifications · target SPL 110 dB · load 600 Ω
Verdict
AmpleThe Drop THX AAA 789 drives the Beyerdynamic T1 (3rd Gen) with ample headroom (~10.0 dB headroom at 600 ohms; needs ~10.0 mW, delivers 100 mW).
Headroom
10.0 dB
10.0 dB
Required (110 dB SPL)
10.0 mW
10.0 mW
Delivered (@ 600 Ω)
100 mW
100 mW
Required voltage
2.45 Vrms
2.45 Vrms
Beyerdynamic T1 (3rd Gen)
Dynamic · over-ear
| Impedance | 600.0 Ω rated |
| Sensitivity | 100.0 dB/mW rated |
| Driver | Dynamic |
| Spec basis | Rated |
Rated: Beyerdynamic official spec (600 Ω, 100 dB/mW). RAA has only the original T1 and T1 Gen 2; no page for 3rd Gen — rated-only.
· Source ↗
Drop THX AAA 789
Desktop Ss · Single Ended
| Output impedance manufacturer | 0.1 Ω |
| Power @ 16 Ω | 3000 mW |
| Power @ 32 Ω | 1800 mW |
| Power @ 300 Ω | 200 mW |
| Power @ 600 Ω | 100 mW |
| Power source | Manufacturer |
Drop product page SE figures: 3000/1800/200/100 mW at 16/32/300/600 Ω. THX AAA topology, output impedance <0.1 Ω (class spec).
· Source ↗
Where to buy
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Other amplifiers for the Beyerdynamic T1 (3rd Gen)
| Amplifier | Headroom |
|---|---|
| Schiit Lyr 3 | Ample 16.5 dB |
| Schiit Valhalla 2 | Ample 16.5 dB |
| JDS Labs Atom Amp 2 | Ample 11.6 dB |
| Topping L30 | Ample 11.5 dB |
| iFi Zen DAC V2 | Marginal 2.6 dB |
| Apple USB-C to 3.5mm | Insufficient -8.0 dB |
Other headphones the Drop THX AAA 789 can drive
| Headphone | Headroom |
|---|---|
| Koss Porta Pro | Ample 28.2 dB |
| Grado SR80x | Ample 27.9 dB |
| HiFiMan Arya | Ample 17.5 dB |
| AKG K702 | Ample 16.9 dB |
| Beyerdynamic DT 770 Pro 250 | Adequate 7.5 dB |
| Beyerdynamic DT 990 Pro | Adequate 6.4 dB |